feature: product list page with editing feature

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/controller/admin/ProductController.java

@@ -10,6 +10,7 @@ import java.util.stream.Collectors;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.jeecg.modules.business.vo.ProductsParam;
 import org.jeecgframework.poi.excel.ExcelImportUtil;
 import org.jeecgframework.poi.excel.def.NormalExcelConstants;
 import org.jeecgframework.poi.excel.entity.ExportParams;
@@ -260,4 +261,16 @@ public class ProductController {
         return Result.OK("文件导入失败！");
     }
 
+    @PostMapping(value="/editBatch")
+    public Result<?> editBatch(@RequestBody ProductsParam productsParam) {
+        List<Product> products = new ArrayList<>();
+        for(String id : productsParam.getIds()) {
+            Product product = new Product();
+            product.setId(id);
+            product.setWeight(productsParam.getWeight());
+            products.add(product);
+        }
+        productService.updateWeightBatch(products);
+        return Result.ok("Updated all products");
+    }
 }

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/ProductMapper.java

@@ -1,8 +1,11 @@
 package org.jeecg.modules.business.mapper;
 
+import org.apache.ibatis.annotations.Param;
 import org.jeecg.modules.business.entity.Product;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 
+import java.util.List;
+
 /**
  * @Description: 商品
  * @Author: jeecg-boot
@@ -10,5 +13,5 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  * @Version: V1.0
  */
 public interface ProductMapper extends BaseMapper<Product> {
-
+    void updateWeightBatch(@Param("products") List<Product> product);
 }

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/ProductMapper.xml

@@ -1,5 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="org.jeecg.modules.business.mapper.ProductMapper">
-
+    <update id="updateWeightBatch">
+        UPDATE product p
+        SET p.update_time = NOW(),
+        weight = case id
+        <foreach collection="products" separator=" " open="" close="" index="index" item="item">
+            when #{item.id} then #{item.weight}
+        </foreach>
+        end
+        where id in
+        <foreach collection="products" separator="," open="(" close=")" index="index" item="item">
+            #{item.id}
+        </foreach>
+    </update>
 </mapper>

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/IProductService.java

@@ -36,5 +36,6 @@ public interface IProductService extends IService<Product> {
 	 * 批量删除一对多
 	 */
 	public void delBatchMain (Collection<? extends Serializable> idList);
-	
+
+	public void updateWeightBatch (List<Product> productList);
 }

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/impl/ProductServiceImpl.java

@@ -73,5 +73,10 @@ public class ProductServiceImpl extends ServiceImpl<ProductMapper, Product> impl
 			productMapper.deleteById(id);
 		}
 	}
-	
+
+	@Override
+	@Transactional
+	public void updateWeightBatch (List<Product> productList) {
+		productMapper.updateWeightBatch(productList);
+	}
 }

jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/vo/ProductsParam.java

@@ -0,0 +1,16 @@
+package org.jeecg.modules.business.vo;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.List;
+
+public class ProductsParam {
+    private final List<String> ids;
+    private final int weight;
+    public ProductsParam(@JsonProperty("ids") List<String> ids, @JsonProperty("weight") int weight){
+        this.ids = ids;
+        this.weight = weight;
+    }
+    public List<String> getIds() { return ids; }
+    public int getWeight() { return  weight; }
+}