roll label

src/main/java/com/gaotao/modules/part/mapper/ExternalPartPictureMapper.java

@@ -6,4 +6,8 @@ import org.apache.ibatis.annotations.Mapper;
 
 @Mapper
 public interface ExternalPartPictureMapper extends BaseMapper<ExternalPartPicture> {
+
+
+    int getPicturesNo(ExternalPartPicture picture);
+
 }

src/main/java/com/gaotao/modules/part/service/impl/ExternalPartPictureServiceImpl.java

@@ -113,7 +113,8 @@ public class ExternalPartPictureServiceImpl extends ServiceImpl<ExternalPartPict
         // 删除图片
         File file = new File(pictureUrl);
         if (file.exists()) {
-            file.delete();
+//            file.delete();
+            // 业务变动不删除图片，只更新数据库记录
         }else {
 //            throw new RuntimeException(sysMsgService.getLanguageMsg(SysMsgConstant.PICTURE_NOT_EXIST));
             log.debug(pictureUrl+"图片不存在");
@@ -151,14 +152,7 @@ public class ExternalPartPictureServiceImpl extends ServiceImpl<ExternalPartPict
     }
 
     private Integer getPictureNo(ExternalPartPicture externalPartPicture) {
-        List<ExternalPartPicture> list = lambdaQuery()
-                .eq(ExternalPartPicture::getSite, externalPartPicture.getSite())
-                .eq(ExternalPartPicture::getPartNo, externalPartPicture.getPartNo())
-                .orderByDesc(ExternalPartPicture::getPictureNo).list();
-        int pictureNo = 0;
-        if (!list.isEmpty()){
-            pictureNo = list.get(0).getPictureNo();
-        }
+        int pictureNo = baseMapper.getPicturesNo(externalPartPicture);
         pictureNo ++;
         return pictureNo;
     }

src/main/resources/mapper/customer/CustomerMapper.xml

@@ -22,7 +22,7 @@
     </select>
 
     <select id="generateCustomerNo" resultType="java.lang.Integer">
-        SELECT MAX(CAST(SUBSTRING(customer_no, 2, LEN(customer_no)-1) AS INT)) AS MaxCustomerNo
+        SELECT IFNULL(MAX(CAST(SUBSTRING(customer_no, 2, LEN(customer_no)-1) AS INT)),0) AS MaxCustomerNo
         FROM customer
         <where>
             <if test="site != null and site != ''">

src/main/resources/mapper/part/ExternalPartPictureMapper.xml

@@ -0,0 +1,8 @@
+<?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="com.gaotao.modules.part.mapper.ExternalPartPictureMapper">
+
+    <select id="getPicturesNo" resultType="java.lang.Integer">
+        select IFNULL(MAX(picture_no),0) from external_part_picture where part_no = #{partNo} and site = #{site}
+    </select>
+</mapper>