Excel导出功能

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

@@ -4,9 +4,10 @@ import com.yanzuoguang.db.impl.DbRow;
 
 /**
  * Excel导出接口
+ *
  * @author 颜佐光
  */
-public interface ExcelDao {
+public interface ExcelDao<T extends Object, M extends Object> {
 
     /**
      * 循环处理每行数据
@@ -14,5 +15,5 @@ public interface ExcelDao {
      * @param excel excel对象
      * @param cond  条件参数
      */
-    void export(DbRow excel, Object cond);
+    void export(DbRow<M> excel, T cond);
 }

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

@@ -55,31 +55,31 @@ public class ExcelHttp<T extends Object> extends ExcelConsole<T> {
      * @param downFileName 下载文件名
      */
     public ExcelHttp down(HttpServletResponse response, String downFileName) throws IOException {
-        if(StringHelper.isEmpty(downFileName)){
+        if (StringHelper.isEmpty(downFileName)) {
             downFileName = this.getConfig().getFileName();
         }
-        HttpFileHelper.localToDown(this.getFileName(),downFileName,response);
+        HttpFileHelper.localToDown(this.getFileName(), downFileName, response);
         return this;
     }
 
     /**
      * 导出数据
      *
-     * @param req 请求对接
+     * @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());
+    public static <T extends Object, M extends Object> void export(ExportBase<T> req, HttpServletResponse response, ExcelDao<T, M> excelDao) {
+        ExcelHttp<M> excel = new ExcelHttp<>(req.getConfig());
         try {
             excel.open();
             excelDao.export(excel, req.getCond());
             excel.save();
 
             excel.down(response);
-        }  catch (IOException e) {
+        } catch (IOException e) {
             e.printStackTrace();
-            throw new CodeException("下载失败",e);
-        }finally {
+            throw new CodeException("下载失败", e);
+        } finally {
             // 删除生成的临时文件
             excel.remove();
         }