package com.yuanchu.mom.utils;
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import cn.hutool.core.io.IORuntimeException;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
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import com.yuanchu.mom.exception.ErrorException;
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import com.yuanchu.mom.pojo.DataConfig;
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import com.yuanchu.mom.pojo.Device;
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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import javax.servlet.http.HttpServletRequest;
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import java.math.BigDecimal;
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import java.util.*;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.stream.Collectors;
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public class DataAcquisition {
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private static final String HTTP = "http://";
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private static final String GETFILE = ":9527/lims/getFile"; // 获取文件接口
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private static final String MOVEFILE = ":9527/lims/moveFile"; // 文件移动地址
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private static final String splitIdentifier = "@-@"; // 自定义唯一标识分割符
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public static final String frequency = "frequency";
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/**
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* 数采入口
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*
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* @param dataConfig
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* @param device
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* @return
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*/
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public static Map<String, Object> dataAcquisitionEntrance(List<DataConfig> dataConfig, Device device, String entrustCode, String sampleCode, String ip) {
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/**
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* filePath 文件采集路径
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* fileExtension 文件后缀
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* entrustCode 委托编号
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* sampleCode 样品编号
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* mdbEntrustCode mdb文件需要：委托编号字段 为什么没有去这个mdb前缀呢？因为已经给客户的部分电脑上安装了采集器，而用户不接受重新安装采集器，所以就没有去除
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* mdbSampleCode mdb文件需要：样品编号字段
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*/
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String http = HTTP + ip + GETFILE +
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"?filePath=" + device.getCollectUrl() +
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"&fileExtension=" + device.getFileType() +
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"&entrustCode=" + entrustCode +
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"&sampleCode=" + sampleCode +
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"&mdbEntrustCode=" + device.getEntrustCode() +
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"&mdbSampleCode=" + device.getSampleCode() +
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"&dbFileName=" + device.getDbFileName();
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String result = null;
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try {
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result = HttpUtil.get(http);
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} catch (IORuntimeException e) {
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throw new ErrorException("所在电脑未安装或未启动：LIMS文件采集器！");
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}
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JSONObject jsonObject = JSON.parseObject(result);
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if (Objects.equals(jsonObject.get("code"), 1)) {
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if (ObjectUtils.isEmpty(jsonObject.get("msg"))) {
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throw new ErrorException("未查询到文件！可能该路径（" + device.getCollectUrl() + "）下并没有所需(" + device.getFileType() +")文件！");
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} else {
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throw new ErrorException(jsonObject.get("msg") + "");
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}
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} else {
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String data = jsonObject.get("data") + "";
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// 考虑到一个检测项可能会存在多个数采配置，所以需要进行分组
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Map<String, List<DataConfig>> userMap = dataConfig.stream()
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.peek(i -> i.setInsProductItem(
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i.getInspectionItem().equals(i.getInspectionItemSubclass()) ? i.getInspectionItem() + "," : i.getInspectionItem() + "," + i.getInspectionItemSubclass()
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))
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.collect(Collectors.groupingBy(DataConfig::getInsProductItem));
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Map<String, Object> map;
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switch (device.getFileType()) {
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case ".docx":
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map = analysisString(data, userMap, device, entrustCode, sampleCode);
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break;
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case ".xlsx":
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map = analysisList(data, userMap, device, entrustCode, sampleCode);
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break;
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case ".txt":
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map = analysisTxt(data, userMap, device, entrustCode, sampleCode);
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break;
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case ".csv":
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map = analysisList(data, userMap, device, entrustCode, sampleCode);
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break;
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case ".mdb":
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map = analysisMdb(data, userMap, device);
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break;
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case ".db":
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map = analysisDb(data, userMap, device);
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break;
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case ".png":
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map = readPngString(data, userMap, device);
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break;
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default:
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map = null;
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break;
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}
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// 如果存在存储地址，则移动地址
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if (ObjectUtils.isNotEmpty(device.getStorageUrl())) {
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String s = HTTP + ip + MOVEFILE + "?startFilePath=" + device.getCollectUrl() + "&endFilePath=" + device.getStorageUrl() + "&fileType=" + device.getFileType();
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HttpUtil.get(s);
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}
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return map;
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}
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}
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public static Map<String, Object> createFrequency(String entrustCode, String sampleCode, Map<String, Object> map) {
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HashSet<String> set = new HashSet<>();
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map.forEach((key, value) -> {
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String[] split = key.split(",");
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String inspectionItem = split[0];
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// 只要有一个不为空就set进去
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if (ObjectUtils.isNotEmpty(value)) {
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set.add(inspectionItem);
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}
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});
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Map<String, Object> result = new HashMap<>();
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for (String inspectionItemKey : set) {
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Map<String, Object> hashMap = new HashMap<>();
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map.forEach((key, value) -> {
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String[] split = key.split(",");
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String inspectionItem = split[0];
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if (inspectionItemKey.equals(inspectionItem)) {
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if (split.length > 1) {
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hashMap.put(split[1], value);
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} else {
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hashMap.put(split[0], value);
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}
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}
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});
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String frequency = createKey(entrustCode, sampleCode, inspectionItemKey);
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hashMap.put("frequency", frequency);
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result.put(inspectionItemKey, hashMap);
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}
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return result;
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}
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public static String createKey(String entrustCode, String sampleCode, String inspectionItemKey) {
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String key = frequency + ":" + entrustCode + ":" + sampleCode + ":" + inspectionItemKey;
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boolean b = RedisUtil.hasKey(key);
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String frequencyValue;
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if (b) {
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long incr = RedisUtil.incr(key, 1);
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frequencyValue = String.valueOf(incr);
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} else {
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RedisUtil.set(key, 1);
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frequencyValue = "1";
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}
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return frequencyValue;
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}
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/**
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* 需要通过X,Y轴定位
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*
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* @param data
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* @param dataConfig
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* @return
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*/
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private static Map<String, Object> analysisDb(String data, Map<String, List<DataConfig>> dataConfig, Device device) {
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JSONObject jsonObject = JSON.parseObject(data);
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Map<String, Object> map = new HashMap<>();
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if (jsonObject.isEmpty()) {
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return map;
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}
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JSONArray dataList = JSONArray.parseArray(jsonObject.get("data").toString());
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dataConfig.forEach((k, v) -> {
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AtomicInteger numberOfDataEntries = new AtomicInteger();
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List<Object> list = new ArrayList<>();
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for (int config = 0; config < v.size(); config++) {
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String refery = getRefer(v.get(config).getRefery());
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for (int i = 0; i < dataList.size(); i++) {
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JSONObject jsonObject1 = JSON.parseObject(dataList.get(i).toString());
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Object o = jsonObject1.get(refery);
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if (ObjectUtils.isNotEmpty(o)) {
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numberOfDataEntries.addAndGet(1);
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list.add(o);
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}
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}
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}
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// 拼接数采配置
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List<Object> result = new ArrayList<>();
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for (int i = 0; i < numberOfDataEntries.get(); i++) {
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String aggregate = "";
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for (int j = 0; j < v.size(); j++) {
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int index;
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if (j == 0) {
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index = i;
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} else {
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index = numberOfDataEntries.get() + i;
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}
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aggregate += list.get(index).toString() + ",";
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}
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int lastIndex = aggregate.lastIndexOf(",");
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String substring = aggregate.substring(0, lastIndex);
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result.add(substring);
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}
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// 进行公式计算
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Object resultValue = calculationFormula(result, v.get(0), k, device);
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map.put(k, resultValue);
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});
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return map;
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}
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/**
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* @param data
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* @param dataConfig
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* @return
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*/
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private static Map<String, Object> analysisMdb(String data, Map<String, List<DataConfig>> dataConfig, Device device) {
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JSONObject jsonObject = JSON.parseObject(data);
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Map<String, Object> map = new HashMap<>();
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if (jsonObject.isEmpty()) {
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return map;
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}
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JSONArray dataList = JSONArray.parseArray(jsonObject.get("data").toString());
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dataConfig.forEach((k, v) -> {
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AtomicInteger numberOfDataEntries = new AtomicInteger();
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List<Object> list = new ArrayList<>();
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for (int config = 0; config < v.size(); config++) {
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String refery = getRefer(v.get(config).getRefery());
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for (int i = 0; i < dataList.size(); i++) {
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JSONObject jsonObject1 = JSON.parseObject(dataList.get(i).toString());
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Object o = jsonObject1.get(refery);
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if (ObjectUtils.isNotEmpty(o)) {
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numberOfDataEntries.addAndGet(1);
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list.add(o);
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}
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}
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}
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// 拼接数采配置
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List<Object> result = new ArrayList<>();
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for (int i = 0; i < numberOfDataEntries.get(); i++) {
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String aggregate = "";
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for (int j = 0; j < v.size(); j++) {
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int index;
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if (j == 0) {
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index = i;
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} else {
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index = numberOfDataEntries.get() + i;
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}
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aggregate += list.get(index).toString() + ",";
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}
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int lastIndex = aggregate.lastIndexOf(",");
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String substring = aggregate.substring(0, lastIndex);
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result.add(substring);
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}
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// 进行公式计算
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Object resultValue = calculationFormula(result, v.get(0), k, device);
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map.put(k, resultValue);
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});
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return map;
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}
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private static Pattern SPATTERN = Pattern.compile("([-+])?\\d+(\\.\\d+)?");
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/**
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* 只需X轴
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*
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* @param data 采集到的文件字符串
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* @param dataConfig 用户配置好的x,y轴定位数据与参照物
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* @return
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*/
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private static Map<String, Object> readPngString(String data, Map<String, List<DataConfig>> dataConfig, Device device) {
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Map<String, Object> map = new HashMap<>();
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dataConfig.forEach((k, v) -> {
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List<Object> list = new ArrayList<>();
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for (int config = 0; config < v.size(); config++) {
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String referx = getRefer(v.get(config).getReferx());
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String result = null;
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// 通过\n将字符串分割为行
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String[] aColumnY = data.split("\n");
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List<String> list1 = new ArrayList<>();
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// 该循环得出用户配置的y轴
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for (int i = 0; i < aColumnY.length; i++) {
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String addDataWithSpaces = referx.replaceAll("", " ");
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int x = getXOrY(v.get(config).getX(), k, "X");
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if (aColumnY[i].contains(addDataWithSpaces)) {
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Matcher matcher = SPATTERN.matcher(aColumnY[i]);
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while (matcher.find()) {
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String group = matcher.group();
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list1.add(group);
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}
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}
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if (ObjectUtils.isNotEmpty(list1)) {
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result = list1.get(x);
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}
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}
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if (ObjectUtils.isNotEmpty(result)) {
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list.add(result);
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}
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}
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// 进行公式计算
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Object resultValue = calculationFormula(list, v.get(0), k, device);
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map.put(k, resultValue);
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});
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return map;
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}
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/**
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* 从文件中提取出来的文字，如果有公式，进行公式计算，否则取列表第一个值
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*
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* @param list 提取出的数字
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* @param dataConfig 存储公式的对象
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* @return
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*/
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private static Object calculationFormula(List<Object> list, DataConfig dataConfig, String insProductItem, Device device) {
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if (list.size() == 0) {
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Map<String, Object> hashMap = new HashMap<>();
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hashMap.put("result", "");
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hashMap.put("equipName", device.getDeviceName());
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hashMap.put("equipValue", device.getManagementNumber());
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return hashMap;
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}
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ArrayList<Object> listResult = new ArrayList<>();
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Map<String, Object> hashMap = new HashMap<>();
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// 如果不为空，进行公式计算
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if (ObjectUtils.isNotEmpty(dataConfig.getFormula())) {
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// 否则：没有公式代表不需要计算，直接提取List里面的数据
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if (ObjectUtils.isEmpty(device.getEntrustCode()) && ObjectUtils.isEmpty(device.getSampleCode())) {
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String s = calculationFormulaList(list, dataConfig.getFormula());
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listResult.add(s);
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} else {
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list.forEach(i -> {
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List<Object> strings = Arrays.asList(i.toString().split(","));
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String s = calculationFormulaList(strings, dataConfig.getFormula());
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listResult.add(s);
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});
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}
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} else {
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listResult.addAll(list);
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}
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// 为了给前端做数据区分
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if (listResult.size() > 1) {
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hashMap.put("result", listResult);
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} else {
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hashMap.put("result", listResult.get(0).toString());
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}
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hashMap.put("equipName", device.getDeviceName());
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hashMap.put("equipValue", device.getManagementNumber());
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return hashMap;
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}
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/**
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* 解析String数据
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*
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* @param data 采集到的文件字符串
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* @param dataConfig 用户配置好的x,y轴定位数据与参照物
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* @return
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*/
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private static Map<String, Object> analysisTxt(String data, Map<String, List<DataConfig>> dataConfig,
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Device device, String entrustCode, String sampleCode) {
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Map<String, Object> map = new HashMap<>();
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dataConfig.forEach((k, v) -> {
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List<Object> list = new ArrayList<>();
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// 委托编号与样品编号不存在，定：1、Y定范围，X定横坐标；2、只存在Y；3、只存在X
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if (ObjectUtils.isEmpty(device.getEntrustCode()) && ObjectUtils.isEmpty(device.getSampleCode())) {
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list = analyzeData(data, v, k, ",");
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// 委托编号与样品编号存在
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} else if (ObjectUtils.isNotEmpty(device.getEntrustCode()) && ObjectUtils.isNotEmpty(device.getSampleCode())) {
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list = analyzeDataEntrustCodAndSampleCode(data, v, k, ",", device, entrustCode, sampleCode);
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}
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// 进行公式计算
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Object resultValue = calculationFormula(list, v.get(0), k, device);
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map.put(k, resultValue);
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});
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return map;
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}
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/**
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* @param data 采集到的文件字符串
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* @param dataConfig 用户配置好的x,y轴定位数据与参照物
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* @return
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*/
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private static Map<String, Object> analysisString(String data, Map<String, List<DataConfig>> dataConfig, Device device,
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String entrustCode, String sampleCode) {
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String processingDataAfterSpaces = data
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.replaceAll(" +", splitIdentifier)
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.replaceAll("\r", "")
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.replaceAll(" ", "");
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Map<String, Object> map = new HashMap<>();
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dataConfig.forEach((k, v) -> {
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List<Object> list = new ArrayList<>();
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// 委托编号与样品编号不存在，定：1、Y定范围，X定横坐标；2、只存在Y；3、只存在X
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if (ObjectUtils.isEmpty(device.getEntrustCode()) && ObjectUtils.isEmpty(device.getSampleCode())) {
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list = analyzeData(processingDataAfterSpaces, v, k, splitIdentifier);
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// 委托编号与样品编号存在
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} else if (ObjectUtils.isNotEmpty(device.getEntrustCode()) && ObjectUtils.isNotEmpty(device.getSampleCode())) {
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list = analyzeDataEntrustCodAndSampleCode(processingDataAfterSpaces, v, k, splitIdentifier, device, entrustCode, sampleCode);
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}
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// 进行公式计算
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Object resultValue = calculationFormula(list, v.get(0), k, device);
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map.put(k, resultValue);
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});
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return map;
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}
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/**
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* 取X，Y两个定位
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*
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* @param data 采集到的文件字符串
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* @param dataConfig 用户配置好的x,y轴定位数据与参照物
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* @return
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*/
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public static Map<String, Object> analysisList(String data, Map<String, List<DataConfig>> dataConfig,
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Device device, String entrustCode, String sampleCode) {
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Map<String, Object> map = new HashMap<>();
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dataConfig.forEach((k, v) -> {
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List<Object> list = new ArrayList<>();
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// 委托编号与样品编号不存在，定：1、Y定范围，X定横坐标；2、只存在Y；3、只存在X
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if (ObjectUtils.isEmpty(device.getEntrustCode()) && ObjectUtils.isEmpty(device.getSampleCode())) {
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list = analyzeData(data, v, k, splitIdentifier);
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// 委托编号与样品编号存在
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} else if (ObjectUtils.isNotEmpty(device.getEntrustCode()) && ObjectUtils.isNotEmpty(device.getSampleCode())) {
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list = analyzeDataEntrustCodAndSampleCode(data, v, k, splitIdentifier, device, entrustCode, sampleCode);
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}
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// 进行公式计算
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Object resultValue = calculationFormula(list, v.get(0), k, device);
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map.put(k, resultValue);
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});
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return map;
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}
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private static List<Object> analyzeDataEntrustCodAndSampleCode(String data, List<DataConfig> v, String k, String splitIdentifier,
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Device device, String entrustCodeValue, String sampleCodeValue) {
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entrustCodeValue = entrustCodeValue.replaceAll(" ", "");
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sampleCodeValue = sampleCodeValue.replaceAll(" ", "");
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// 最终结果
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List<Object> list = new ArrayList<>();
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int numberOfDataEntries = 0;
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// 取entrustCode与sampleCode所在位
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for (int config = 0; config < v.size(); config++) {
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numberOfDataEntries = 0;
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Integer entrustCodeY = null;
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Integer sampleCodeY = null;
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Integer referYCoordinate = null;
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String refery = getRefer(v.get(config).getRefery());
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String entrustCode = getRefer(device.getEntrustCode()); // 委托编号字段
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String sampleCode = getRefer(device.getSampleCode()); // 样品编号字段
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if (ObjectUtils.isEmpty(refery)) {
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continue;
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}
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// 去除所有的空格，通过\n将字符串分割为行
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String[] aColumnY = data.replaceAll(" ", "").split("\n");
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for (int i = 0; i < aColumnY.length; i++) {
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// 如果通过判断，定位到Y轴
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if (aColumnY[i].contains(entrustCode) && aColumnY[i].contains(sampleCode)) {
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String[] aLine = aColumnY[i].split(splitIdentifier);
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for (int j = 0; j < aLine.length; j++) {
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if (aLine[j].contains(entrustCode)) {
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entrustCodeY = j;
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}
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if (aLine[j].contains(sampleCode) ) {
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sampleCodeY = j;
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}
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if (aLine[j].contains(refery)) {
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referYCoordinate = j;
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}
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}
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}
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if (ObjectUtils.isNotEmpty(entrustCodeY) && ObjectUtils.isNotEmpty(sampleCodeY) && ObjectUtils.isNotEmpty(referYCoordinate)) {
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String[] aLine = aColumnY[i].split(splitIdentifier);
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try {
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if (aLine[entrustCodeY].contains(entrustCodeValue) && aLine[sampleCodeY].contains(sampleCodeValue)) {
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String result = aLine[referYCoordinate];
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// 防止计算公式的时候出现：[null] 这种数据
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if (ObjectUtils.isNotEmpty(result)) {
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numberOfDataEntries += 1;
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list.add(result);
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}
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}
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} catch (Exception e) {}
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}
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}
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}
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// 拼接数采配置
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List<Object> result = new ArrayList<>();
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for (int i = 0; i < numberOfDataEntries; i++) {
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String aggregate = "";
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for (int j = 0; j < v.size(); j++) {
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int index;
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if (j == 0) {
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index = i;
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} else {
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index = numberOfDataEntries + i;
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}
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aggregate += list.get(index).toString() + ",";
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}
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int lastIndex = aggregate.lastIndexOf(",");
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String substring = aggregate.substring(0, lastIndex);
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result.add(substring);
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}
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return result;
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}
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// 由于在方法中会大量的判断，所以做一个方法
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private static int getXOrY(String value, String k, String tips) {
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try {
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return Integer.parseInt(value);
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} catch (NumberFormatException e) {
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throw new ErrorException(k + "：未配置" + tips + "坐标轴的值！");
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}
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}
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// 防止参照物为空报错，进行判断如果为空赋值空字符
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private static String getRefer(String refer) {
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return ObjectUtils.isNotEmpty(refer) ? refer.replaceAll(" ", "") : "";
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}
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/**
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* 委托编号与样品编号都为空执行
|
*
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* @param data
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* @param v
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* @param k
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* @param split
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* @return
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*/
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public static List<Object> analyzeData(String data, List<DataConfig> v, String k, String split) {
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List<Object> list = new ArrayList<>();
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for (int config = 0; config < v.size(); config++) {
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// 取两个用户配置的参照物
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String referx = getRefer(v.get(config).getReferx());
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String refery = getRefer(v.get(config).getRefery());
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if (ObjectUtils.isEmpty(refery) && ObjectUtils.isEmpty(referx)) {
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continue;
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}
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// 最终结果
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String result = null;
|
// 通过\n将字符串分割为行
|
String[] aColumnY = data.replaceAll(" ", "").split("\n");
|
Integer end = null;
|
// 采集数据：Y轴
|
for (int i = 0; i < aColumnY.length; i++) {
|
// 如果Y参照不为空与X参照为空则执行，同时该行包含Y参照
|
if (ObjectUtils.isNotEmpty(refery) && ObjectUtils.isEmpty(referx) && aColumnY[i].contains(refery)) {
|
// 取Y坐标值
|
int y = getXOrY(v.get(config).getY(), k, "Y");
|
String[] aLineX = aColumnY[i].split(split);
|
for (int j = 0; j < aLineX.length; j++) {
|
if (aLineX[j].contains(refery)) {
|
String[] split1 = new String[0];
|
try {
|
split1 = aColumnY[i + y].split(split);
|
} catch (Exception e) {
|
throw new ErrorException(k + "：Y轴定位超出！");
|
}
|
try {
|
result = split1[j];
|
} catch (Exception e) {
|
throw new ErrorException(k + "：X轴定位超出！");
|
}
|
}
|
}
|
// 如果Y参照不为空与X参照不为空则执行,此处Y定区域
|
} else if (ObjectUtils.isNotEmpty(refery) && ObjectUtils.isNotEmpty(referx)) {
|
// 取x的值，防止报错
|
int x = getXOrY(v.get(config).getX(), k, "X");
|
// 取Y坐标值
|
int y = getXOrY(v.get(config).getY(), k, "Y");
|
// 缓存Y的结束值
|
if (ObjectUtils.isEmpty(end) && aColumnY[i].contains(refery)) {
|
end = i + y;
|
}
|
// 判断是否在参照物为起到，Y坐标值为最终范围
|
if (ObjectUtils.isNotEmpty(end) && i <= end) {
|
String[] aLineX = aColumnY[i].split(split);
|
for (int j = 0; j < aLineX.length; j++) {
|
if (aLineX[j].contains(referx)) {
|
try {
|
result = aLineX[j + x];
|
} catch (Exception e) {
|
throw new ErrorException(k + "：X轴定位超出！");
|
}
|
break;
|
}
|
}
|
}
|
// 如果X参照不为空同时该行包含X参照，则执行下面的代码
|
} else if (aColumnY[i].contains(referx) && ObjectUtils.isEmpty(refery)) {
|
String[] aLineX = aColumnY[i].split(split);
|
// 取x的值，防止报错
|
int x = getXOrY(v.get(config).getX(), k, "X");
|
for (int j = 0; j < aLineX.length; j++) {
|
if (aLineX[j].contains(referx)) {
|
try {
|
result = aLineX[j + x];
|
} catch (Exception e) {
|
throw new ErrorException(k + "：X轴定位超出！");
|
}
|
}
|
}
|
}
|
}
|
// 防止计算公式的时候出现：[null] 这种数据
|
if (ObjectUtils.isNotEmpty(result)) {
|
String formatProcessing = getFormatProcessing(result);
|
list.add(formatProcessing);
|
}
|
}
|
return list;
|
}
|
|
public static String getFormatProcessing(String value) {
|
value = value.replaceAll("%", "");
|
if (value.contains("=")) {
|
String[] split = value.split("=");
|
return split[split.length - 1];
|
} else if (value.contains(":")) {
|
String[] split = value.split(":");
|
return split[split.length - 1];
|
} else {
|
return value;
|
}
|
}
|
|
public static String getIp(HttpServletRequest request) {
|
String ipAddress = request.getRemoteAddr();
|
// 防止回环地址变为IPv6
|
return ipAddress.equals("0:0:0:0:0:0:0:1") ? "127.0.0.1" : ipAddress;
|
}
|
|
public static String calculationFormulaList(List<Object> list, String formula) {
|
//首先将list转换为bigdecmic
|
List<BigDecimal> bigDecimalList = list.stream()
|
.map(obj -> {
|
return new BigDecimal((obj).toString());
|
}).collect(Collectors.toList());
|
|
//将中文的(转换英文的())
|
formula = formula.replace("（", "(")
|
.replace("）", ")")
|
.replace("，", ",");
|
//然后提取公式
|
String strs = formula.substring(0, formula.indexOf("("));
|
String upperStr = strs.toUpperCase();
|
if (upperStr.matches(".*\\d.*")) {
|
upperStr = "";
|
}
|
//然后获取最外面括号里面的值,再根据","分割
|
int start = formula.indexOf("(");
|
int end = -1;
|
int a = 0;
|
for (int i = start; i < formula.length(); i++) {
|
char c = formula.charAt(i);
|
if (c == '(') {
|
a++;
|
} else if (c == ')') {
|
a--;
|
if (a == 0) {
|
end = i;
|
}
|
}
|
}
|
if (start == -1 || end == -1) {
|
throw new ErrorException("公式括号不匹配: " + formula);
|
}
|
|
String argumentsStr = formula.substring(start + 1, end);
|
List<String> arguments = new ArrayList<>();
|
int bracketCount = 0;
|
StringBuilder currentArgument = new StringBuilder();
|
for (char c : argumentsStr.toCharArray()) {
|
if (c == ',' && bracketCount == 0) {
|
arguments.add(currentArgument.toString());
|
currentArgument.setLength(0);
|
} else {
|
if (c == '(') bracketCount++;
|
if (c == ')') bracketCount--;
|
currentArgument.append(c);
|
}
|
}
|
arguments.add(currentArgument.toString());
|
String[] bracketStrs = arguments.toArray(new String[0]);
|
List<BigDecimal> results = new ArrayList<>();
|
for (String expr : bracketStrs) {
|
Pattern pattern = Pattern.compile("([A-Z])(\\d+)");
|
Matcher matcher = pattern.matcher(expr);
|
StringBuffer sb = new StringBuffer();
|
while (matcher.find()) {
|
String letter = matcher.group(1);
|
int index = Integer.parseInt(matcher.group(2)) - 1; // 将1-based转为0-based
|
if (index < bigDecimalList.size()) {
|
matcher.appendReplacement(sb, bigDecimalList.get(index).toString());
|
} else {
|
throw new RuntimeException("公式中的下标 " + index + " 超出范围");
|
}
|
}
|
matcher.appendTail(sb);
|
|
// 计算表达式
|
ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
|
try {
|
Object result = engine.eval(sb.toString());
|
results.add(new BigDecimal(result.toString()));
|
} catch (Exception e) {
|
throw new IllegalArgumentException("无法计算公式: " + sb, e);
|
}
|
}
|
// 根据函数名称进行相应计算
|
BigDecimal finalResult;
|
if (upperStr.equals("") || upperStr == null) {
|
finalResult = results.get(0);
|
} else {
|
switch (upperStr) {
|
case "MAX":
|
finalResult = results.stream().max(BigDecimal::compareTo)
|
.orElseThrow(() -> new IllegalArgumentException("无法计算MAX值"));
|
break;
|
case "MIN":
|
finalResult = results.stream().min(BigDecimal::compareTo)
|
.orElseThrow(() -> new IllegalArgumentException("无法计算MIN值"));
|
break;
|
case "SUM":
|
finalResult = results.stream().reduce(BigDecimal.ZERO, BigDecimal::add);
|
break;
|
case "ABS":
|
finalResult = results.stream().map(BigDecimal::abs).reduce(BigDecimal.ZERO, BigDecimal::add);
|
break;
|
case "AVERAGE":
|
finalResult = results.stream().reduce(BigDecimal.ZERO, BigDecimal::divide)
|
.divide(BigDecimal.valueOf(results.size()), 2, BigDecimal.ROUND_HALF_UP);
|
break;
|
case "MEDIAN":
|
int size = results.size();
|
if (size % 2 == 1) {
|
finalResult = results.get(size / 2);
|
} else {
|
BigDecimal sum = results.get(size / 2 - 1).add(results.get(size / 2));
|
finalResult = sum.divide(BigDecimal.valueOf(2), 2, BigDecimal.ROUND_HALF_UP);
|
}
|
break;
|
default:
|
throw new UnsupportedOperationException("暂不支持函数: " + upperStr);
|
}
|
}
|
|
return finalResult.toString();
|
// 否则：没有公式代表不需要计算，直接提取List里面的数据
|
}
|
}
|
