Excel导出功能

yzg-util-cloud/src/main/java/com/yanzuoguang/cloud/excel/ExcelDao.java

+package com.yanzuoguang.cloud.excel;
+
+import com.yanzuoguang.db.impl.DbRow;
+
+/**
+ * Excel导出接口
+ */
+public interface ExcelDao {
+
+    /**
+     * 循环处理每行数据
+     *
+     * @param excel excel对象
+     * @param cond  条件参数
+     */
+    void export(DbRow excel, Object cond);
+}

yzg-util-cloud/src/main/java/com/yanzuoguang/cloud/excel/ExcelHttp.java

@@ -4,7 +4,9 @@ package com.yanzuoguang.cloud.excel;
 import com.yanzuoguang.cloud.helper.HttpFileHelper;
 import com.yanzuoguang.excel.ExcelConsole;
 import com.yanzuoguang.excel.ExcelRow;
+import com.yanzuoguang.excel.ExportBase;
 import com.yanzuoguang.excel.ExportData;
+import com.yanzuoguang.util.exception.CodeException;
 import com.yanzuoguang.util.helper.StringHelper;
 
 import javax.servlet.http.HttpServletResponse;
@@ -59,4 +61,27 @@ public class ExcelHttp<T extends Object> extends ExcelConsole<T> {
         HttpFileHelper.localToDown(this.getFileName(),downFileName,response);
         return this;
     }
+
+    /**
+     * 导出数据
+     *
+     * @param req 请求对接
+     * @param response 输出结果
+     */
+    public static void export(ExportBase req, HttpServletResponse response,ExcelDao excelDao) {
+        ExcelHttp excel = new ExcelHttp<>(req.getConfig());
+        try {
+            excel.open();
+            excelDao.export(excel, req.getCond());
+            excel.save();
+
+            excel.down(response);
+        }  catch (IOException e) {
+            e.printStackTrace();
+            throw new CodeException("下载失败",e);
+        }finally {
+            // 删除生成的临时文件
+            excel.remove();
+        }
+    }
 }