From 31f55ea1de6f788a93c539ee025d324d40a9dc19 Mon Sep 17 00:00:00 2001 From: RuoYi <yzz_ivy@163.com> Date: 星期二, 04 一月 2022 20:24:49 +0800 Subject: [PATCH] update donate --- src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 260 +++++++++++++++++++++++++++++++++++++++------------ 1 files changed, 196 insertions(+), 64 deletions(-) diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java index 025a1cd..9995ffd 100644 --- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java +++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java @@ -6,6 +6,7 @@ import java.io.InputStream; import java.io.OutputStream; import java.lang.reflect.Field; +import java.lang.reflect.Method; import java.math.BigDecimal; import java.text.DecimalFormat; import java.util.ArrayList; @@ -46,6 +47,7 @@ import org.apache.poi.ss.usermodel.VerticalAlignment; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.usermodel.WorkbookFactory; +import org.apache.poi.ss.util.CellRangeAddress; import org.apache.poi.ss.util.CellRangeAddressList; import org.apache.poi.util.IOUtils; import org.apache.poi.xssf.streaming.SXSSFWorkbook; @@ -125,6 +127,16 @@ private List<Object[]> fields; /** + * 褰撳墠琛屽彿 + */ + private int rownum; + + /** + * 鏍囬 + */ + private String title; + + /** * 鏈�澶ч珮搴� */ private short maxHeight; @@ -149,7 +161,7 @@ this.clazz = clazz; } - public void init(List<T> list, String sheetName, Type type) + public void init(List<T> list, String sheetName, String title, Type type) { if (list == null) { @@ -158,8 +170,27 @@ this.list = list; this.sheetName = sheetName; this.type = type; + this.title = title; createExcelField(); createWorkbook(); + createTitle(); + } + + /** + * 鍒涘缓excel绗竴琛屾爣棰� + */ + public void createTitle() + { + if (StringUtils.isNotEmpty(title)) + { + Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0); + titleRow.setHeightInPoints(30); + Cell titleCell = titleRow.createCell(0); + titleCell.setCellStyle(styles.get("title")); + titleCell.setCellValue(title); + sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), + this.fields.size() - 1)); + } } /** @@ -170,17 +201,30 @@ */ public List<T> importExcel(InputStream is) throws Exception { - return importExcel(StringUtils.EMPTY, is); + return importExcel(is, 0); + } + + /** + * 瀵筫xcel琛ㄥ崟榛樿绗竴涓储寮曞悕杞崲鎴恖ist + * + * @param is 杈撳叆娴� + * @param titleNum 鏍囬鍗犵敤琛屾暟 + * @return 杞崲鍚庨泦鍚� + */ + public List<T> importExcel(InputStream is, int titleNum) throws Exception + { + return importExcel(StringUtils.EMPTY, is, titleNum); } /** * 瀵筫xcel琛ㄥ崟鎸囧畾琛ㄦ牸绱㈠紩鍚嶈浆鎹㈡垚list * * @param sheetName 琛ㄦ牸绱㈠紩鍚� + * @param titleNum 鏍囬鍗犵敤琛屾暟 * @param is 杈撳叆娴� * @return 杞崲鍚庨泦鍚� */ - public List<T> importExcel(String sheetName, InputStream is) throws Exception + public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception { this.type = Type.IMPORT; this.wb = WorkbookFactory.create(is); @@ -209,7 +253,7 @@ // 瀹氫箟涓�涓猰ap鐢ㄤ簬瀛樻斁excel鍒楃殑搴忓彿鍜宖ield. Map<String, Integer> cellMap = new HashMap<String, Integer>(); // 鑾峰彇琛ㄥご - Row heard = sheet.getRow(0); + Row heard = sheet.getRow(titleNum); for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) { Cell cell = heard.getCell(i); @@ -224,25 +268,18 @@ } } // 鏈夋暟鎹椂鎵嶅鐞� 寰楀埌绫荤殑鎵�鏈塮ield. - Field[] allFields = clazz.getDeclaredFields(); - // 瀹氫箟涓�涓猰ap鐢ㄤ簬瀛樻斁鍒楃殑搴忓彿鍜宖ield. - Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>(); - for (int col = 0; col < allFields.length; col++) + List<Object[]> fields = this.getFields(); + Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>(); + for (Object[] objects : fields) { - Field field = allFields[col]; - Excel attr = field.getAnnotation(Excel.class); - if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) + Excel attr = (Excel) objects[1]; + Integer column = cellMap.get(attr.name()); + if (column != null) { - // 璁剧疆绫荤殑绉佹湁瀛楁灞炴�у彲璁块棶. - field.setAccessible(true); - Integer column = cellMap.get(attr.name()); - if (column != null) - { - fieldsMap.put(column, field); - } + fieldsMap.put(column, objects); } } - for (int i = 1; i <= rows; i++) + for (int i = titleNum + 1; i <= rows; i++) { // 浠庣2琛屽紑濮嬪彇鏁版嵁,榛樿绗竴琛屾槸琛ㄥご. Row row = sheet.getRow(i); @@ -252,14 +289,15 @@ continue; } T entity = null; - for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet()) + for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet()) { Object val = this.getCellValue(row, entry.getKey()); // 濡傛灉涓嶅瓨鍦ㄥ疄渚嬪垯鏂板缓. entity = (entity == null ? clazz.newInstance() : entity); // 浠巑ap涓緱鍒板搴斿垪鐨刦ield. - Field field = fieldsMap.get(entry.getKey()); + Field field = (Field) entry.getValue()[0]; + Excel attr = (Excel) entry.getValue()[1]; // 鍙栧緱绫诲瀷,骞舵牴鎹璞$被鍨嬭缃��. Class<?> fieldType = field.getType(); if (String.class == fieldType) @@ -319,7 +357,6 @@ } if (StringUtils.isNotNull(fieldType)) { - Excel attr = field.getAnnotation(Excel.class); String propertyName = field.getName(); if (StringUtils.isNotEmpty(attr.targetAttr())) { @@ -332,6 +369,10 @@ else if (StringUtils.isNotEmpty(attr.dictType())) { val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator()); + } + else if (!attr.handler().equals(ExcelHandlerAdapter.class)) + { + val = dataFormatHandlerAdapter(val, attr); } else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures)) { @@ -364,7 +405,20 @@ */ public AjaxResult exportExcel(List<T> list, String sheetName) { - this.init(list, sheetName, Type.EXPORT); + return exportExcel(list, sheetName, StringUtils.EMPTY); + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @param list 瀵煎嚭鏁版嵁闆嗗悎 + * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О + * @param title 鏍囬 + * @return 缁撴灉 + */ + public AjaxResult exportExcel(List<T> list, String sheetName, String title) + { + this.init(list, sheetName, title, Type.EXPORT); return exportExcel(); } @@ -377,12 +431,27 @@ * @return 缁撴灉 * @throws IOException */ - public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) throws IOException + public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) + { + exportExcel(response, list, sheetName, StringUtils.EMPTY); + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @param response 杩斿洖鏁版嵁 + * @param list 瀵煎嚭鏁版嵁闆嗗悎 + * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О + * @param title 鏍囬 + * @return 缁撴灉 + * @throws IOException + */ + public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) { response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("utf-8"); - this.init(list, sheetName, Type.EXPORT); - exportExcel(response.getOutputStream()); + this.init(list, sheetName, title, Type.EXPORT); + exportExcel(response); } /** @@ -393,7 +462,19 @@ */ public AjaxResult importTemplateExcel(String sheetName) { - this.init(null, sheetName, Type.IMPORT); + return importTemplateExcel(sheetName, StringUtils.EMPTY); + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О + * @param title 鏍囬 + * @return 缁撴灉 + */ + public AjaxResult importTemplateExcel(String sheetName, String title) + { + this.init(null, sheetName, title, Type.IMPORT); return exportExcel(); } @@ -403,12 +484,24 @@ * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О * @return 缁撴灉 */ - public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException + public void importTemplateExcel(HttpServletResponse response, String sheetName) + { + importTemplateExcel(response, sheetName, StringUtils.EMPTY); + } + + /** + * 瀵筶ist鏁版嵁婧愬皢鍏堕噷闈㈢殑鏁版嵁瀵煎叆鍒癳xcel琛ㄥ崟 + * + * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О + * @param title 鏍囬 + * @return 缁撴灉 + */ + public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) { response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("utf-8"); - this.init(null, sheetName, Type.IMPORT); - exportExcel(response.getOutputStream()); + this.init(null, sheetName, title, Type.IMPORT); + exportExcel(response); } /** @@ -416,12 +509,12 @@ * * @return 缁撴灉 */ - public void exportExcel(OutputStream out) + public void exportExcel(HttpServletResponse response) { try { writeSheet(); - wb.write(out); + wb.write(response.getOutputStream()); } catch (Exception e) { @@ -430,7 +523,6 @@ finally { IOUtils.closeQuietly(wb); - IOUtils.closeQuietly(out); } } @@ -468,13 +560,13 @@ public void writeSheet() { // 鍙栧嚭涓�鍏辨湁澶氬皯涓猻heet. - double sheetNo = Math.ceil(list.size() / sheetSize); - for (int index = 0; index <= sheetNo; index++) + int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize)); + for (int index = 0; index < sheetNo; index++) { createSheet(sheetNo, index); // 浜х敓涓�琛� - Row row = sheet.createRow(0); + Row row = sheet.createRow(rownum); int column = 0; // 鍐欏叆鍚勪釜瀛楁鐨勫垪澶村悕绉� for (Object[] os : fields) @@ -502,7 +594,7 @@ int endNo = Math.min(startNo + sheetSize, list.size()); for (int i = startNo; i < endNo; i++) { - row = sheet.createRow(i + 1 - startNo); + row = sheet.createRow(i + 1 + rownum - startNo); // 寰楀埌瀵煎嚭瀵硅薄. T vo = (T) list.get(i); int column = 0; @@ -510,8 +602,6 @@ { Field field = (Field) os[0]; Excel excel = (Excel) os[1]; - // 璁剧疆瀹炰綋绫荤鏈夊睘鎬у彲璁块棶 - field.setAccessible(true); this.addCell(excel, row, vo, field, column++); } } @@ -528,6 +618,16 @@ // 鍐欏叆鍚勬潯璁板綍,姣忔潯璁板綍瀵瑰簲excel琛ㄤ腑鐨勪竴琛� Map<String, CellStyle> styles = new HashMap<String, CellStyle>(); CellStyle style = wb.createCellStyle(); + style.setAlignment(HorizontalAlignment.CENTER); + style.setVerticalAlignment(VerticalAlignment.CENTER); + Font titleFont = wb.createFont(); + titleFont.setFontName("Arial"); + titleFont.setFontHeightInPoints((short) 16); + titleFont.setBold(true); + style.setFont(titleFont); + styles.put("title", style); + + style = wb.createCellStyle(); style.setAlignment(HorizontalAlignment.CENTER); style.setVerticalAlignment(VerticalAlignment.CENTER); style.setBorderRight(BorderStyle.THIN); @@ -729,6 +829,10 @@ { cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString()); } + else if (!attr.handler().equals(ExcelHandlerAdapter.class)) + { + cell.setCellValue(dataFormatHandlerAdapter(value, attr)); + } else { // 璁剧疆鍒楃被鍨� @@ -902,6 +1006,28 @@ } /** + * 鏁版嵁澶勭悊鍣� + * + * @param value 鏁版嵁鍊� + * @param excel 鏁版嵁娉ㄨВ + * @return + */ + public String dataFormatHandlerAdapter(Object value, Excel excel) + { + try + { + Object instance = excel.handler().newInstance(); + Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class }); + value = formatMethod.invoke(instance, value, excel.args()); + } + catch (Exception e) + { + log.error("涓嶈兘鏍煎紡鍖栨暟鎹� " + excel.handler(), e.getMessage()); + } + return Convert.toStr(value); + } + + /** * 鍚堣缁熻淇℃伅 */ private void addStatisticsData(Integer index, String text, Excel entity) @@ -1028,7 +1154,17 @@ */ private void createExcelField() { - this.fields = new ArrayList<Object[]>(); + this.fields = getFields(); + this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList()); + this.maxHeight = getRowHeight(); + } + + /** + * 鑾峰彇瀛楁娉ㄨВ淇℃伅 + */ + public List<Object[]> getFields() + { + List<Object[]> fields = new ArrayList<Object[]>(); List<Field> tempFields = new ArrayList<>(); tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); @@ -1037,7 +1173,12 @@ // 鍗曟敞瑙� if (field.isAnnotationPresent(Excel.class)) { - putToField(field, field.getAnnotation(Excel.class)); + Excel attr = field.getAnnotation(Excel.class); + if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) + { + field.setAccessible(true); + fields.add(new Object[] { field, attr }); + } } // 澶氭敞瑙� @@ -1045,14 +1186,17 @@ { Excels attrs = field.getAnnotation(Excels.class); Excel[] excels = attrs.value(); - for (Excel excel : excels) + for (Excel attr : excels) { - putToField(field, excel); + if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) + { + field.setAccessible(true); + fields.add(new Object[] { field, attr }); + } } } } - this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList()); - this.maxHeight = getRowHeight(); + return fields; } /** @@ -1070,22 +1214,14 @@ } /** - * 鏀惧埌瀛楁闆嗗悎涓� - */ - private void putToField(Field field, Excel attr) - { - if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) - { - this.fields.add(new Object[] { field, attr }); - } - } - - /** * 鍒涘缓涓�涓伐浣滅翱 */ public void createWorkbook() { this.wb = new SXSSFWorkbook(500); + this.sheet = wb.createSheet(); + wb.setSheetName(0, sheetName); + this.styles = createStyles(wb); } /** @@ -1094,17 +1230,13 @@ * @param sheetNo sheet鏁伴噺 * @param index 搴忓彿 */ - public void createSheet(double sheetNo, int index) + public void createSheet(int sheetNo, int index) { - this.sheet = wb.createSheet(); - this.styles = createStyles(wb); // 璁剧疆宸ヤ綔琛ㄧ殑鍚嶇О. - if (sheetNo == 0) + if (sheetNo > 1 && index > 0) { - wb.setSheetName(index, sheetName); - } - else - { + this.sheet = wb.createSheet(); + this.createTitle(); wb.setSheetName(index, sheetName + index); } } -- Gitblit v1.9.3