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| | | import java.lang.reflect.Method;
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| | | import java.math.BigDecimal;
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| | | import java.text.DecimalFormat;
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| | | import java.time.LocalDate;
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| | | import java.time.LocalDateTime;
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| | | import java.util.ArrayList;
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| | | import java.util.Arrays;
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| | | import java.util.Comparator;
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| | |
| | | import java.util.UUID;
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| | | import java.util.stream.Collectors;
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| | | import javax.servlet.http.HttpServletResponse;
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| | | import org.apache.commons.lang3.RegExUtils;
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| | | import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
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| | | import org.apache.poi.hssf.usermodel.HSSFPicture;
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| | | import org.apache.poi.hssf.usermodel.HSSFPictureData;
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| | |
| | | {
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| | | private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
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| | |
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| | | public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
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| | |
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| | | public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
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| | |
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| | | /**
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| | | * Excel sheet最大行数,默认65536
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| | | */
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| | |
| | | * 当前行号
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| | | */
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| | | private int rownum;
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| | | |
| | |
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| | | /**
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| | | * 标题
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| | | */
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| | |
| | | String dateFormat = field.getAnnotation(Excel.class).dateFormat();
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| | | if (StringUtils.isNotEmpty(dateFormat))
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| | | {
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| | | val = DateUtils.parseDateToStr(dateFormat, (Date) val);
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| | | val = parseDateToStr(dateFormat, val);
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| | | }
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| | | else
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| | | {
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| | |
| | | {
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| | | val = Convert.toInt(val);
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| | | }
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| | | else if (Long.TYPE == fieldType || Long.class == fieldType)
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| | | else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
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| | | {
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| | | val = Convert.toLong(val);
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| | | }
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| | |
| | | {
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| | | return exportExcel(list, sheetName, StringUtils.EMPTY);
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| | | }
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| | | |
| | |
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| | | /**
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| | | * 对list数据源将其里面的数据导入到excel表单
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| | | *
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| | |
| | | * @param list 导出数据集合
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| | | * @param sheetName 工作表的名称
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| | | * @return 结果
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| | | * @throws IOException
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| | | */
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| | | public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
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| | | {
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| | |
| | | * @param sheetName 工作表的名称
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| | | * @param title 标题
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| | | * @return 结果
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| | | * @throws IOException
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| | | */
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| | | public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
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| | | {
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| | |
| | | style.setFont(totalFont);
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| | | styles.put("total", style);
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| | |
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| | | style = wb.createCellStyle();
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| | | style.cloneStyleFrom(styles.get("data"));
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| | | style.setAlignment(HorizontalAlignment.LEFT);
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| | | styles.put("data1", style);
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| | | styles.putAll(annotationStyles(wb));
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| | |
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| | | style = wb.createCellStyle();
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| | | style.cloneStyleFrom(styles.get("data"));
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| | | style.setAlignment(HorizontalAlignment.CENTER);
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| | | styles.put("data2", style);
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| | | return styles;
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| | | }
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| | |
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| | | style = wb.createCellStyle();
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| | | style.cloneStyleFrom(styles.get("data"));
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| | | style.setAlignment(HorizontalAlignment.RIGHT);
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| | | styles.put("data3", style);
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| | |
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| | | /**
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| | | * 根据Excel注解创建表格样式
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| | | * |
| | | * @param wb 工作薄对象
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| | | * @return 自定义样式列表
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| | | */
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| | | private Map<String, CellStyle> annotationStyles(Workbook wb)
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| | | {
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| | | Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
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| | | for (Object[] os : fields)
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| | | {
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| | | Excel excel = (Excel) os[1];
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| | | String key = "data_" + excel.align() + "_" + excel.color();
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| | | if (!styles.containsKey(key))
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| | | {
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| | | CellStyle style = wb.createCellStyle();
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| | | style = wb.createCellStyle();
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| | | style.setAlignment(excel.align());
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| | | style.setVerticalAlignment(VerticalAlignment.CENTER);
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| | | style.setBorderRight(BorderStyle.THIN);
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| | | style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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| | | style.setBorderLeft(BorderStyle.THIN);
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| | | style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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| | | style.setBorderTop(BorderStyle.THIN);
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| | | style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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| | | style.setBorderBottom(BorderStyle.THIN);
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| | | style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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| | | Font dataFont = wb.createFont();
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| | | dataFont.setFontName("Arial");
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| | | dataFont.setFontHeightInPoints((short) 10);
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| | | dataFont.setColor(excel.color().index);
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| | | style.setFont(dataFont);
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| | | styles.put(key, style);
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| | | }
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| | | }
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| | | return styles;
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| | | }
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| | |
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| | |
| | | {
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| | | if (ColumnType.STRING == attr.cellType())
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| | | {
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| | | cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
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| | | String cellValue = Convert.toStr(value);
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| | | // 对于任何以表达式触发字符 =-+@开头的单元格,直接使用tab字符作为前缀,防止CSV注入。
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| | | if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
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| | | {
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| | | cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
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| | | }
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| | | cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
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| | | }
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| | | else if (ColumnType.NUMERIC == attr.cellType())
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| | | {
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| | |
| | | // 设置列宽
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| | | sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
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| | | }
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| | | // 如果设置了提示信息则鼠标放上去提示.
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| | | if (StringUtils.isNotEmpty(attr.prompt()))
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| | | if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
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| | | {
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| | | // 这里默认设了2-101列提示.
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| | | setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
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| | | }
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| | | // 如果设置了combo属性则本列只能选择不能输入
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| | | if (attr.combo().length > 0)
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| | | {
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| | | // 这里默认设了2-101列只能选择不能输入.
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| | | setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
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| | | // 提示信息或只能选择不能输入的列内容.
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| | | setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
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| | | }
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| | | }
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| | |
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| | |
| | | {
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| | | // 创建cell
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| | | cell = row.createCell(column);
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| | | int align = attr.align().value();
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| | | cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
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| | | cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color()));
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| | |
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| | | // 用于读取对象中的属性
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| | | Object value = getTargetValue(vo, field, attr);
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| | |
| | | String dictType = attr.dictType();
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| | | if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
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| | | {
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| | | cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
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| | | cell.setCellValue(parseDateToStr(dateFormat, value));
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| | | }
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| | | else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
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| | | {
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| | |
| | | }
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| | |
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| | | /**
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| | | * 设置 POI XSSFSheet 单元格提示
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| | | * 设置 POI XSSFSheet 单元格提示或选择框
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| | | *
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| | | * @param sheet 表单
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| | | * @param promptTitle 提示标题
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| | | * @param textlist 下拉框显示的内容
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| | | * @param promptContent 提示内容
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| | | * @param firstRow 开始行
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| | | * @param endRow 结束行
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| | | * @param firstCol 开始列
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| | | * @param endCol 结束列
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| | | */
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| | | public void setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow,
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| | | public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow,
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| | | int firstCol, int endCol)
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| | | {
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| | | DataValidationHelper helper = sheet.getDataValidationHelper();
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| | | DataValidationConstraint constraint = helper.createCustomConstraint("DD1");
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| | | DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
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| | | CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
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| | | DataValidation dataValidation = helper.createValidation(constraint, regions);
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| | | dataValidation.createPromptBox(promptTitle, promptContent);
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| | | dataValidation.setShowPromptBox(true);
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| | | sheet.addValidationData(dataValidation);
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| | | }
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| | |
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| | | /**
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| | | * 设置某些列的值只能输入预制的数据,显示下拉框.
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| | | * |
| | | * @param sheet 要设置的sheet.
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| | | * @param textlist 下拉框显示的内容
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| | | * @param firstRow 开始行
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| | | * @param endRow 结束行
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| | | * @param firstCol 开始列
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| | | * @param endCol 结束列
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| | | * @return 设置好的sheet.
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| | | */
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| | | public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol)
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| | | {
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| | | DataValidationHelper helper = sheet.getDataValidationHelper();
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| | | // 加载下拉列表内容
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| | | DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist);
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| | | // 设置数据有效性加载在哪个单元格上,四个参数分别是:起始行、终止行、起始列、终止列
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| | | CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
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| | | // 数据有效性对象
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| | | DataValidation dataValidation = helper.createValidation(constraint, regions);
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| | | if (StringUtils.isNotEmpty(promptContent))
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| | | {
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| | | // 如果设置了提示信息则鼠标放上去提示
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| | | dataValidation.createPromptBox("", promptContent);
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| | | dataValidation.setShowPromptBox(true);
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| | | }
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| | | // 处理Excel兼容性问题
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| | | if (dataValidation instanceof XSSFDataValidation)
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| | | {
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| | |
| | | {
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| | | dataValidation.setSuppressDropDownArrow(false);
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| | | }
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| | |
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| | | sheet.addValidationData(dataValidation);
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| | | }
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| | |
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| | |
| | | if (StringUtils.isNotEmpty(excel.targetAttr()))
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| | | {
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| | | String target = excel.targetAttr();
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| | | if (target.indexOf(".") > -1)
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| | | if (target.contains("."))
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| | | {
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| | | String[] targets = target.split("[.]");
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| | | for (String name : targets)
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| | |
| | | for (Object[] os : this.fields)
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| | | {
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| | | Excel excel = (Excel) os[1];
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| | | maxHeight = maxHeight > excel.height() ? maxHeight : excel.height();
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| | | maxHeight = Math.max(maxHeight, excel.height());
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| | | }
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| | | return (short) (maxHeight * 20);
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| | | }
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| | |
| | | }
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| | | return sheetIndexPicMap;
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| | | }
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| | |
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| | | /**
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| | | * 格式化不同类型的日期对象
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| | | * |
| | | * @param dateFormat 日期格式
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| | | * @param val 被格式化的日期对象
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| | | * @return 格式化后的日期字符
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| | | */
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| | | public String parseDateToStr(String dateFormat, Object val)
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| | | {
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| | | if (val == null)
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| | | {
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| | | return "";
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| | | }
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| | | String str;
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| | | if (val instanceof Date)
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| | | {
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| | | str = DateUtils.parseDateToStr(dateFormat, (Date) val);
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| | | }
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| | | else if (val instanceof LocalDateTime)
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| | | {
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| | | str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
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| | | }
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| | | else if (val instanceof LocalDate)
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| | | {
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| | | str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
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| | | }
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| | | else
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| | | {
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| | | str = val.toString();
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| | | }
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| | | return str;
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| | | }
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| | | }
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