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@ -18,6 +18,7 @@ import java.util.Map;
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import java.util.Set;
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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.ArrayUtils;
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import org.apache.commons.lang3.RegExUtils;
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import org.apache.poi.ss.usermodel.BorderStyle;
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import org.apache.poi.ss.usermodel.Cell;
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@ -140,11 +141,27 @@ public class ExcelUtil<T>
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*/
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public Class<T> clazz;
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/**
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* 需要排除列属性
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*/
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public String[] excludeFields;
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public ExcelUtil(Class<T> clazz)
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{
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this.clazz = clazz;
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}
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/**
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* 隐藏Excel中列属性
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*
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* @param fields 列属性名 示例[单个"name"/多个"id","name"]
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* @throws Exception
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*/
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public void hideColumn(String... fields)
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{
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this.excludeFields = fields;
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}
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public void init(List<T> list, String sheetName, String title, Type type)
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{
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if (list == null)
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@ -386,12 +403,6 @@ public class ExcelUtil<T>
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exportExcel(response);
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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 sheetName 工作表的名称
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* @return 结果
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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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@ -530,20 +541,6 @@ public class ExcelUtil<T>
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style.setFont(dataFont);
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styles.put("data", style);
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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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style.setVerticalAlignment(VerticalAlignment.CENTER);
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style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
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style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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Font headerFont = wb.createFont();
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headerFont.setFontName("Arial");
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headerFont.setFontHeightInPoints((short) 10);
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headerFont.setBold(true);
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headerFont.setColor(IndexedColors.WHITE.getIndex());
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style.setFont(headerFont);
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styles.put("header", style);
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style = wb.createCellStyle();
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style.setAlignment(HorizontalAlignment.CENTER);
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style.setVerticalAlignment(VerticalAlignment.CENTER);
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@ -553,24 +550,60 @@ public class ExcelUtil<T>
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style.setFont(totalFont);
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styles.put("total", style);
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styles.putAll(annotationStyles(wb));
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styles.putAll(annotationHeaderStyles(wb, styles));
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styles.putAll(annotationDataStyles(wb));
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return styles;
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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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* 根据Excel注解创建表格头样式
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*
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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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private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
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{
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Map<String, CellStyle> headerStyles = 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 = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
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if (!headerStyles.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.cloneStyleFrom(styles.get("data"));
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style.setAlignment(HorizontalAlignment.CENTER);
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style.setVerticalAlignment(VerticalAlignment.CENTER);
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style.setFillForegroundColor(excel.headerBackgroundColor().index);
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style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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Font headerFont = wb.createFont();
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headerFont.setFontName("Arial");
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headerFont.setFontHeightInPoints((short) 10);
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headerFont.setBold(true);
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headerFont.setColor(excel.headerColor().index);
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style.setFont(headerFont);
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headerStyles.put(key, style);
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}
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}
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return headerStyles;
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}
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/**
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* 根据Excel注解创建表格列样式
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*
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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> annotationDataStyles(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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String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
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if (!styles.containsKey(key))
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{
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CellStyle style = wb.createCellStyle();
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@ -585,6 +618,8 @@ public class ExcelUtil<T>
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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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style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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style.setFillForegroundColor(excel.backgroundColor().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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@ -606,7 +641,7 @@ public class ExcelUtil<T>
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// 写入列信息
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cell.setCellValue(attr.name());
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setDataValidation(attr, row, column);
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cell.setCellStyle(styles.get("header"));
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cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
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return cell;
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}
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@ -714,7 +749,7 @@ public class ExcelUtil<T>
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{
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// 创建cell
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cell = row.createCell(column);
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cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color()));
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cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
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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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@ -1002,6 +1037,8 @@ public class ExcelUtil<T>
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tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
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tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
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for (Field field : tempFields)
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{
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if (!ArrayUtils.contains(this.excludeFields, field.getName()))
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{
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// 单注解
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if (field.isAnnotationPresent(Excel.class))
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@ -1029,6 +1066,7 @@ public class ExcelUtil<T>
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}
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}
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}
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}
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return fields;
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}
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thinkcodee
3 years ago