消息未读数开发

bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/user/entity/UserDto.java

@@ -87,4 +87,7 @@ public class UserDto {
 
     @ApiModelProperty(value = "是否内置用户0：内置用户，1：非内置用户")
     private String isBuiltIn;
+
+    @ApiModelProperty(value = "消息数")
+    private String msgNum;
 }

bonus-modules/bonus-material-mall/src/main/resources/mapper/material/user/UserMapper.xml

@@ -13,6 +13,15 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </update>
 
     <select id="getUserById" resultType="com.bonus.material.user.entity.UserDto">
-        select * from sys_user where user_id = #{userId}
+        SELECT
+            su.*,
+            SUM(
+                    IF
+                        ( is_read = 0, 1, 0 )) AS msgNum
+        FROM
+            sys_user su
+                LEFT JOIN bm_message bm ON su.user_id = bm.to_user
+        WHERE
+            su.user_id =#{userId}
     </select>
 </mapper>