feat:自查自评检查导入实现

ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/MultiSheetExcelUtil.java

@@ -1,6 +1,7 @@
 package com.ruoyi.common.utils.poi;
 
 import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.utils.StringUtils;
 import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
 
@@ -9,10 +10,7 @@ import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.lang.reflect.Field;
 import java.net.URLEncoder;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Comparator;
-import java.util.List;
-import java.util.UUID;
 
 /**
  * ClassName: MultiSheetExcelUtil
@@ -40,7 +38,7 @@ public class MultiSheetExcelUtil {
 
     public <T> void createSheet(List<T> list, String sheetName, Class<T> clazz) {
         Sheet sheet = workbook.createSheet(sheetName);
-        List<Object[]> fields = getFields(clazz);
+        List<FieldMeta> fields = getFields(clazz); // 使用新版getFields
         createTitleRow(sheet, fields);
         fillDataRows(sheet, list, fields);
     }
@@ -68,54 +66,86 @@ public class MultiSheetExcelUtil {
         }
     }
 
-    private static List<Object[]> getFields(Class<?> clazz) {
+
-        List<Object[]> fields = new ArrayList<>();
+    private static class FieldMeta {
-        Field[] declaredFields = clazz.getDeclaredFields();
+        private final Field field;          // 反射字段对象
-        for (Field field : declaredFields) {
+        private final String title;         // 表头名称（@Excel.name）
-            Excel excel = field.getAnnotation(Excel.class);
+        private final String dateFormat;    // 日期格式（@Excel.dateFormat）
-            if (excel != null) {
+        private final int sort;             // 排序（@Excel.sort）
-                fields.add(new Object[]{field.getName(), excel.name(), excel.readConverterExp(), excel.dictType(), excel.sort()});
+
-            }
+        public FieldMeta(Field field, String title, String dateFormat, int sort) {
+            this.field = field;
+            this.title = title;
+            this.dateFormat = dateFormat;
+            this.sort = sort;
+            this.field.setAccessible(true); // 提前设置可访问
         }
-        Class<?> superClass = clazz.getSuperclass();
+
-        while (superClass != null) {
+        // Getter 方法
-            Field[] superFields = superClass.getDeclaredFields();
+        public Field getField() { return field; }
-            for (Field field : superFields) {
+        public String getTitle() { return title; }
-                Excel excel = field.getAnnotation(Excel.class);
+        public String getDateFormat() { return dateFormat; }
-                if (excel != null) {
+        public int getSort() { return sort; }
-                    fields.add(new Object[]{field.getName(), excel.name(), excel.readConverterExp(), excel.dictType(), excel.sort()});
+    }
+
+    /**
+     * 获取所有带@Excel注解的字段（包含父类）
+     */
+    private static List<FieldMeta> getFields(Class<?> clazz) {
+        List<FieldMeta> fields = new ArrayList<>();
+
+        // 递归获取所有字段（包括父类）
+        Class<?> currentClass = clazz;
+        while (currentClass != null) {
+            for (Field field : currentClass.getDeclaredFields()) {
+                Excel excelAnno = field.getAnnotation(Excel.class);
+                if (excelAnno != null) {
+                    fields.add(new FieldMeta(
+                            field,
+                            excelAnno.name(),
+                            excelAnno.dateFormat(),
+                            excelAnno.sort()
+                    ));
                 }
             }
-            superClass = superClass.getSuperclass();
+            currentClass = currentClass.getSuperclass();
         }
-        fields.sort(Comparator.comparing(o -> (Integer) o[4]));
+
+        // 按sort排序
+        fields.sort(Comparator.comparingInt(FieldMeta::getSort));
         return fields;
     }
 
-    private Object getFieldValueByName(String fieldName, Object obj) {
-        try {
-            Field field = obj.getClass().getDeclaredField(fieldName);
-            field.setAccessible(true);
-            return field.get(obj);
-        } catch (Exception e) {
-            return null;
-        }
-    }
 
-    private void setCellValue(Cell cell, Object value) {
+
+
+    private void setCellValue(Cell cell, Object value, FieldMeta meta) {
         if (value == null) {
             cell.setCellValue("");
-        } else if (value instanceof String) {
+            return;
-            cell.setCellValue((String) value);
+        }
-        } else if (value instanceof Integer) {
+
-            cell.setCellValue((Integer) value);
+        // 处理日期类型
-        } else if (value instanceof Long) {
+        if (value instanceof Date) {
-            cell.setCellValue((Long) value);
+            String format = StringUtils.isNotEmpty(meta.getDateFormat())
-        } else if (value instanceof Double) {
+                    ? meta.getDateFormat()
-            cell.setCellValue((Double) value);
+                    : "yyyy-MM-dd"; // 默认格式
-        } else if (value instanceof Boolean) {
+
-            cell.setCellValue((Boolean) value);
+            CellStyle style = workbook.createCellStyle();
-        } else {
+            style.setDataFormat(
+                    workbook.getCreationHelper()
+                            .createDataFormat()
+                            .getFormat(format)
+            );
+            cell.setCellValue((Date) value);
+            cell.setCellStyle(style);
+        }
+        // 处理数字类型
+        else if (value instanceof Number) {
+            cell.setCellValue(((Number) value).doubleValue());
+        }
+        // 其他类型
+        else {
             cell.setCellValue(value.toString());
         }
     }
@@ -162,21 +192,42 @@ public class MultiSheetExcelUtil {
         return style;
     }
 
-    private void createTitleRow(Sheet sheet, List<Object[]> fields) {
+
+    private void createTitleRow(Sheet sheet, List<FieldMeta> fields) {
+        Row headerRow = sheet.createRow(0);
         CellStyle headerStyle = createHeaderStyle(workbook);
-        CellStyle dataStyle = createDataStyle(workbook); // 数据行样式（可选）
+
-        Row row = sheet.createRow(0);
         for (int i = 0; i < fields.size(); i++) {
-            Cell cell = row.createCell(i);
+            Cell cell = headerRow.createCell(i);
-            cell.setCellValue((String) fields.get(i)[1]);
+            cell.setCellValue(fields.get(i).getTitle());
             cell.setCellStyle(headerStyle);
-            // 设置列宽
+            sheet.setColumnWidth(i, 6000); // 默认列宽
-            sheet.setColumnWidth(i, Math.max(sheet.getColumnWidth(i), 3000));
         }
     }
 
-    private <T> void fillDataRows(Sheet sheet, List<T> list, List<Object[]> fields) {
+
-        CellStyle dataStyle = createDataStyle(workbook); // 应用数据行样式
+    private <T> void fillDataRows(Sheet sheet, List<T> list, List<FieldMeta> fields) {
+        int rowNum = 1;
+        for (T item : list) {
+            Row row = sheet.createRow(rowNum++);
+            for (int i = 0; i < fields.size(); i++) {
+                FieldMeta meta = fields.get(i);
+                Cell cell = row.createCell(i);
+
+                try {
+                    // 直接通过缓存的Field对象获取值
+                    Object value = meta.getField().get(item);
+                    setCellValue(cell, value, meta); // 传递FieldMeta对象
+                } catch (IllegalAccessException e) {
+                    cell.setCellValue("N/A");
+                }
+            }
+        }
+    }
+
+
+    /*private <T> void fillDataRows(Sheet sheet, List<T> list, List<Object[]> fields) {
+        CellStyle dataStyle = createDataStyle(workbook);
         int rowNum = 1;
         for (T item : list) {
             Row row = sheet.createRow(rowNum++);
@@ -185,10 +236,16 @@ public class MultiSheetExcelUtil {
                 Object[] fieldInfo = fields.get(i);
                 String fieldName = (String) fieldInfo[0];
                 Object value = getFieldValueByName(fieldName, item);
-                setCellValue(cell, value);
+                // 获取Field对象并传递
-                cell.setCellStyle(dataStyle); // 应用数据行样式
+                try {
+                    Field field = item.getClass().getDeclaredField(fieldName);
+                    setCellValue(cell, value, field); // 调用新版方法
+                } catch (NoSuchFieldException e) {
+                    setCellValue(cell, value, null); // 降级处理
+                }
+                cell.setCellStyle(dataStyle);
             }
         }
-    }
+    }*/
 
 }