增加：综合浏览系统数据表导出增加默认表头

shandan-system/src/main/java/com/keyware/shandan/bianmu/export/MetaTableExport.java

@@ -1,6 +1,7 @@
 package com.keyware.shandan.bianmu.export;
 
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.poi.excel.BigExcelWriter;
 import cn.hutool.poi.excel.ExcelUtil;
 import com.alibaba.fastjson.JSONArray;
@@ -9,9 +10,14 @@ import com.keyware.shandan.bianmu.entity.MetadataBasicVo;
 import com.keyware.shandan.bianmu.service.MetadataService;
 import com.keyware.shandan.common.util.StringUtils;
 import com.keyware.shandan.frame.config.component.AppContext;
+import com.keyware.shandan.system.entity.SysOrg;
+import com.keyware.shandan.system.entity.SysUser;
+import com.keyware.shandan.system.service.SysUserService;
+import org.apache.poi.ss.usermodel.Font;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
@@ -21,6 +27,7 @@ public class MetaTableExport extends ExportProgress {
     private final MetadataBasicVo metadata;
     private final String fileName;
     private final MetadataService metadataService;
+    private final SysUserService userService;
 
     // 所有行的集合
     private final List<List<String>> rowList = new ArrayList<>();
@@ -32,6 +39,7 @@ public class MetaTableExport extends ExportProgress {
 
     public MetaTableExport(String userId, MetadataBasicVo metadata) {
         super(userId);
+        this.userService = AppContext.getContext().getBean(SysUserService.class);
         this.metadataService = AppContext.getContext().getBean(MetadataService.class);
         this.metadata = metadata;
         String name = metadata.getMetadataComment();
@@ -49,10 +57,13 @@ public class MetaTableExport extends ExportProgress {
         // 添加第一行，字段列名注释集合，当做表格的第一行
         rowList.add(colsArray.stream().map((json) -> {
             JSONObject field = (JSONObject) json;
-            String comment = field.getString("comment");
             String colName = field.getString("columnName");
             colNameList.add(colName);
-            return colName + (StringUtils.hasText(comment) ? "[" + comment + "]" : "");
+            return colName;
+        }).collect(Collectors.toList()));
+        rowList.add(colsArray.stream().map((json) -> {
+            JSONObject field = (JSONObject) json;
+            return field.getString("comment");
         }).collect(Collectors.toList()));
 
 
@@ -73,8 +84,10 @@ public class MetaTableExport extends ExportProgress {
 
             this.setTitle("正在写入缓存");
             this.autoAddStep();
+            // 添加表头
+            addTableHeader(writer);
             //一次性写出内容
-            writer.write(rows);
+            writer.write(rows, true);
 
             this.setTitle("正在写入文件");
             this.autoAddStep();
@@ -92,6 +105,29 @@ public class MetaTableExport extends ExportProgress {
         }
     }
 
+    private void addTableHeader(BigExcelWriter writer) {
+        SysUser user = userService.getById(getUserId());
+        SysOrg org = user.getOrg();
+        String tableName = metadata.getMetadataComment();
+        if (!StringUtils.hasText(tableName)) {
+            tableName = metadata.getMetadataName();
+        }
+        int middleOffset = Math.max(colNameList.size() / 2, 1);
+        int rowIndex = writer.getCurrentRow();
+
+        writer.merge(rowIndex, rowIndex + 1, 0, 0, "时间", true)
+                .merge(rowIndex, rowIndex + 1, 1, middleOffset - 1, DateUtil.formatDateTime(new Date()), true)
+                .merge(rowIndex, rowIndex + 1, middleOffset, middleOffset, "表名", true)
+                .merge(rowIndex, rowIndex + 1, middleOffset + 1, colNameList.size() - 1, tableName, true)
+                // 另起一行
+                .passRows(2)
+                .merge(rowIndex + 2, rowIndex + 3, 0, 0, "姓名", true)
+                .merge(rowIndex + 2, rowIndex + 3, 1, middleOffset - 1, user.getUserName(), true)
+                .merge(rowIndex + 2, rowIndex + 3, middleOffset, middleOffset, "部门", true)
+                .merge(rowIndex + 2, rowIndex + 3, middleOffset + 1, colNameList.size() - 1, org.getOrgName(), true)
+                .passRows(2);
+    }
+
     @Override
     public long getStepTotal() {
         return 4;