1

science-admin/src/main/java/com/yiboshi/science/dao/SystemUserDAO.java

@@ -15,6 +15,7 @@ import com.yiboshi.science.param.query.SystemUserQueryVO;
 public interface SystemUserDAO extends BaseMapper<SystemUser>, BaseDAO<SystemUserQueryVO,SystemUserDTO, SystemUser> {
     SystemUserDTO findByName(String userName);
     String getMaxUsername(String Code);
+    String getUsername(String Code);
     SystemUser getByUserName(String userName);
     SystemUserDTO getSystemUserById(String id);
 }

science-admin/src/main/java/com/yiboshi/science/service/impl/SystemUserServiceImpl.java

@@ -110,9 +110,10 @@ public class SystemUserServiceImpl extends BaseServiceImpl<SystemUserDAO, System
         if (!Objects.nonNull(username) || username.equals(""))
             systemUser.setUsername(systemUserDAO.getMaxUsername("1521"));
         else {
-            if (this.isExist(username))
-                throw new BusinessException("该用户名已注册，请更改后再试！");
-            systemUser.setUsername(username);
+            if (this.isExist(username)) {
+                systemUser.setUsername(systemUserDAO.getUsername(username));
+            } else
+                systemUser.setUsername(username);
         }
         systemUser.setPassword(password);
         systemUser.setPersonId(userId);

science-admin/src/main/resources/mapper/SystemUserDAO.xml

@@ -17,6 +17,11 @@
     <select id="getMaxUsername" parameterType="java.lang.String" resultType="java.lang.String">
         select cast((ifnull(max(username),0)+1) as char) code from system_user where username like concat(#{Code},'%')
     </select>
+    <select id="getUsername" parameterType="java.lang.String" resultType="java.lang.String">
+        SELECT CONCAT(#{code},right(CONCAT('00',cast((ifnull(SUBSTR(max(username),LENGTH(max(username))-1),0)+1) as char)),2)) code
+        from system_user
+        where username like  concat(#{code},'%')
+    </select>
     <select id="getByUserName" parameterType="java.lang.String" resultType="com.yiboshi.science.entity.SystemUser">
         SELECT a.* FROM system_user a  where binary a.username=#{userName}
     </select>