导出管理端订单数据

src/main/java/cn/chjyj/szwh/controller/admin/AdminOrderController.java

@@ -1,21 +1,29 @@
 package cn.chjyj.szwh.controller.admin;
 
+import cn.chjyj.szwh.bean.Order;
 import cn.chjyj.szwh.bean.OrderGoodsDetail;
 import cn.chjyj.szwh.controller.BaseController;
 import cn.chjyj.szwh.service.OrderGoodsDetailService;
 import cn.chjyj.szwh.service.OrderService;
+import cn.chjyj.szwh.utils.AjaxResult;
+import cn.chjyj.szwh.utils.SzReqUtils;
+import cn.chjyj.szwh.vo.AdOrderVO;
+import com.alibaba.excel.EasyExcel;
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 
-
+import javax.servlet.http.HttpServletRequest;
-import java.util.HashMap;
+import javax.servlet.http.HttpServletResponse;
-import java.util.List;
+import java.io.IOException;
-import java.util.Map;
+import java.math.BigDecimal;
+import java.net.URLEncoder;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
 
 /**
  * 订单管理
@@ -37,70 +45,23 @@ public class AdminOrderController extends BaseController {
     public JSONObject odlist(@RequestBody(required = false) String jsonStr){
         JSONObject request = JSON.parseObject(jsonStr);
         Map rqmap = new HashMap();
-        if(StringUtils.isBlank(jsonStr)){
+        if(StringUtils.isNotBlank(jsonStr)){
-            rqmap=null;
+            rqmap = queryMap(request);
-        }
-        // 订单编号
-        String batchcode= request.getString("batchcode");
-        if(StringUtils.isNotBlank(batchcode)){
-            rqmap.put("o.batchcode",batchcode);
-        }
-        //委托方
-        String entrustName=request.getString("entrust_name").trim();
-        //购买方
-        String buyName=request.getString("buy_name");
-
-        //商品名称
-        String goodsName=request.getString("goods_name");
-        if(StringUtils.isNotBlank(goodsName)){
-            rqmap.put("og.goods_name",goodsName);
-        }
-        // 订单类型
-        String orderType= request.getString("order_type");
-        if(StringUtils.isNotBlank(orderType)){
-            rqmap.put("order_type",orderType);
-        }
-        //充值类型
-        String chargesType= request.getString("charges_type");
-        if(StringUtils.isNotBlank(chargesType)){
-            rqmap.put("og.charges_type",chargesType);
-        }
-        //订单状态
-        String transaction_status=request.getString("transaction_status");
-        if(StringUtils.isNotBlank(transaction_status)){
-            rqmap.put("o.status",transaction_status);
         }
-        // 交易类型
-        String entrustType=request.getString("entrust_type");
-        if(StringUtils.isNotBlank(entrustType)){
-            rqmap.put("og.goods_entrust",entrustType);
-        }
-
-        // 创建时间
-        String createtime=request.getString("createtime");
-        if(StringUtils.isNotBlank(createtime)){
-            JSONArray jarr = JSONArray.parseArray(createtime);
-            if(jarr.size()>0){
-                // 拆分
-                rqmap.put("o.createtime"," og.createtime between '"+jarr.get(0)+" 00:00:00' and '"+jarr.get(1)+" 23:59:59'");
-            }
-        }
-
-        //商品编号
-        String gdsid = request.getString("goods_isli");
-        if(StringUtils.isNotEmpty(gdsid)){
-            rqmap.put("og.goods_islicode",gdsid);
-        }
-
         //
         String spage=request.getString("page");
         int page= StringUtils.isNotBlank(spage)?Integer.valueOf(spage):1;
         //
         String slimit=request.getString("limit");
         int limit = StringUtils.isNotBlank(slimit)?Integer.valueOf(slimit):10;
-
+        //委托方
+        String entrustName=request.getString("entrust_name").trim();
+        //购买方
+        String buyName=request.getString("buy_name");
+        // 查询条件
         Map map = orderService.getOrderList(rqmap,buyName,entrustName,page,limit);
 
+
         jsonObject.put("code",200);
         jsonObject.put("msg","操作成功");
         jsonObject.put("data",map);
@@ -169,4 +130,117 @@ public class AdminOrderController extends BaseController {
         return jsonObject;
     }
 
+    /**
+     * 从json 字符串中抽取得到相应的map进行查询
+     * @param request
+     * @return
+     */
+    private Map queryMap(JSONObject request){
+        Map rqmap = new HashMap();
+
+        // 订单编号
+        String batchcode= request.getString("batchcode");
+        if(StringUtils.isNotBlank(batchcode)){
+            rqmap.put("o.batchcode",batchcode);
+        }
+
+        //商品名称
+        String goodsName=request.getString("goods_name");
+        if(StringUtils.isNotBlank(goodsName)){
+            rqmap.put("og.goods_name",goodsName);
+        }
+        // 订单类型
+        String orderType= request.getString("order_type");
+        if(StringUtils.isNotBlank(orderType)){
+            rqmap.put("order_type",orderType);
+        }
+        //充值类型
+        String chargesType= request.getString("charges_type");
+        if(StringUtils.isNotBlank(chargesType)){
+            rqmap.put("og.charges_type",chargesType);
+        }
+        //订单状态
+        String transaction_status=request.getString("transaction_status");
+        if(StringUtils.isNotBlank(transaction_status)){
+            rqmap.put("o.status",transaction_status);
+        }
+        // 交易类型
+        String entrustType=request.getString("entrust_type");
+        if(StringUtils.isNotBlank(entrustType)){
+            rqmap.put("og.goods_entrust",entrustType);
+        }
+
+        // 创建时间
+        String createtime=request.getString("createtime");
+        if(StringUtils.isNotBlank(createtime)){
+            JSONArray jarr = JSONArray.parseArray(createtime);
+            if(jarr.size()>0){
+                // 拆分
+                rqmap.put("o.createtime"," og.createtime between '"+jarr.get(0)+" 00:00:00' and '"+jarr.get(1)+" 23:59:59'");
+            }
+        }
+
+        //商品编号
+        String gdsid = request.getString("goods_isli");
+        if(StringUtils.isNotEmpty(gdsid)){
+            rqmap.put("og.goods_islicode",gdsid);
+        }
+        return rqmap;
+    }
+
+    /**
+     *  导出excel，出现错误时候反馈给json
+     * @param response
+     * @param request
+     * @throws IOException
+     */
+    @PostMapping(value = "/export",produces = "application/octet-stream")
+    public void export(HttpServletResponse response, HttpServletRequest request) throws IOException {
+        // 获取查询条件，得到对应的数据
+        JSONObject rejson = SzReqUtils.getJson(request);
+        String spage=rejson.getString("page");
+        int page= StringUtils.isNotBlank(spage)?Integer.valueOf(spage):1;
+        //
+        String slimit=rejson.getString("limit");
+        int limit = StringUtils.isNotBlank(slimit)?Integer.valueOf(slimit):10;
+        // 从json 抽取出相应的查询条件
+        Map rmap = queryMap(rejson);
+        List<AdOrderVO> adordlist = orderService.getAdOrdlist(rmap,page,limit);
+
+        try {
+            String dateStr = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
+            String name = "WHYOTS"+dateStr;
+            //防止下载时中文乱码
+            name = new String(name.getBytes("UTF-8"), "ISO-8859-1");
+            response.setContentType("application/vnd.ms-excel");
+            response.setCharacterEncoding("utf-8");
+            //添加这个是防止前端拿不到Content-disposition
+            response.setHeader("Content-Disposition", "attachment;filename=" + name+".xlsx");
+            response.setHeader("Access-Control-Expose-Headers","Content-disposition");
+
+//            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+//            response.setCharacterEncoding("utf-8");
+//            // 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系
+//            //String fileName = URLEncoder.encode("测试", "UTF-8").replaceAll("\\+", "%20");
+//            String fileName =UUID.randomUUID().toString();
+//            response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
+            // 这里需要设置不关闭流
+            EasyExcel.write(response.getOutputStream(), AdOrderVO.class)
+                    .autoCloseStream(Boolean.FALSE)
+                    .sheet("数据1")
+                    .doWrite(adordlist);
+        } catch (Exception e) {
+            // 重置response
+            response.reset();
+            response.setContentType("application/json");
+            response.setCharacterEncoding("utf-8");
+            JSONObject otjson = AjaxResult.error("下载文件失败" + e.getMessage());
+            response.getWriter().println(otjson);
+//            Map<String, String> otmap = new HashMap<>();
+//            otmap.put("status", "failure");
+//            otmap.put("message", "下载文件失败" + e.getMessage());
+            //response.getWriter().println(JSON.toJSONString(otmap));
+        }
+    }
+
 }

src/main/java/cn/chjyj/szwh/service/OrderService.java

@@ -2,6 +2,7 @@ package cn.chjyj.szwh.service;
 
 import cn.chjyj.szwh.bean.Goods;
 import cn.chjyj.szwh.bean.Order;
+import cn.chjyj.szwh.vo.AdOrderVO;
 import com.alibaba.fastjson2.JSONArray;
 import org.apache.ibatis.annotations.Param;
 
@@ -19,6 +20,15 @@ public interface OrderService {
      */
     List<Order> getAllOrderList(int page);
 
+    /**
+     * 管理端订单查询
+     * @param qmap
+     * @param page
+     * @param limit
+     * @return
+     */
+    List<AdOrderVO> getAdOrdlist(Map qmap,int page,int limit);
+
     /**
      * 根据条件查询
      * @param qumap

src/main/java/cn/chjyj/szwh/service/impl/OrderServiceImpl.java

@@ -82,6 +82,20 @@ public class OrderServiceImpl implements OrderService {
         return orderMapper.getAllOrderList(startrs, pageSize);
     }
 
+    /**
+     * 管理端订单查询
+     * @param qmap
+     * @param page
+     * @param limit
+     * @return
+     */
+    public List<AdOrderVO> getAdOrdlist(Map qmap,int page,int limit){
+        int starrs = page > 1 ? (page - 1) * limit : 0;
+        // 管理系统订单
+        List<AdOrderVO> adordlist = orderMapper.queryOrderList(qmap,starrs,limit);
+        return adordlist;
+    }
+
     /**
      * 组合查询订单信息
      *

src/main/java/cn/chjyj/szwh/vo/AdOrderVO.java

@@ -1,19 +1,32 @@
 package cn.chjyj.szwh.vo;
 
+import com.alibaba.excel.annotation.ExcelProperty;
+
 /**
  * 管理端的订单集合
  */
 public class AdOrderVO {
+    @ExcelProperty("编号")
     private Integer id;
+    @ExcelProperty("订单编号")
     private String batchcode;
+    @ExcelProperty("订单状态")
     private Integer status;
+    @ExcelProperty("订单金额")
     private String total_money;
+    @ExcelProperty("标的名称")
     private String goods_name;
+    @ExcelProperty("下单时间")
     private String createtime;
+    @ExcelProperty("委托方编号")
     private String entrust_islicode;
+    @ExcelProperty("交易方式")
     private Integer goods_entrust;
+    @ExcelProperty("收费类型")
     private Integer charges_type;
+    @ExcelProperty("购买方/被授权方")
     private String buy_username;//订单用户name 别名
+    @ExcelProperty("买放ISLICODE")
     private String buy_islicode;// 购物者
 
     public Integer getId() {

urls.md

@@ -45,3 +45,11 @@
 21. [JAVA获取N个工作日后的时间的工具类、考虑上班时间、时区](https://blog.csdn.net/qq_37136334/article/details/121381277)
 
 22.[Java获取n天后的工作日时间](https://www.minedeed.com/Java/13.html)
+
+23. [Excel导出（浏览器下载器下载导出Excel）](https://blog.csdn.net/m0_61238952/article/details/128100412)
+
+[](http://vue.cnsbq.com/error/211.html)
+
+https://www.cnblogs.com/thinkguo/archive/2019/08/01/11281919.html
+
+https://blog.csdn.net/qq_42739776/article/details/123791866