v0.1.7 完成高校院系模块后端接口，完成用户与高校之间的数据交互

src/main/java/com/bruce/sams/constant/HttpStatus.java

@@ -1,4 +1,4 @@
-package com.bruce.sams.Constant;
+package com.bruce.sams.constant;
 
 /**
  * 返回状态码

src/main/java/com/bruce/sams/controller/CollegeController.java

@@ -0,0 +1,74 @@
+package com.bruce.sams.controller;
+
+import com.bruce.sams.utils.AjaxResult;
+import com.bruce.sams.domain.sms.College;
+import com.bruce.sams.service.CollegeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * 高校院系管理控制器
+ */
+@RestController
+@RequestMapping("/api/admin/college")
+public class CollegeController {
+
+    @Autowired
+    private CollegeService collegeService;
+
+    /**
+     * 获取所有高校
+     */
+    @GetMapping("/universities")
+    public AjaxResult getAllUniversities() {
+        List<College> universities = collegeService.getAllUniversities();
+        return AjaxResult.success("查询成功", universities);
+    }
+
+    /**
+     * 获取某高校的所有院系
+     */
+    @GetMapping("/{universityId}/departments")
+    public AjaxResult getDepartments(@PathVariable Long universityId) {
+        List<College> departments = collegeService.getDepartmentsByUniversity(universityId);
+        return AjaxResult.success("查询成功", departments);
+    }
+
+    /**
+     * 获取某院系的详细信息
+     */
+    @GetMapping("/{collegeId}")
+    public AjaxResult getCollegeById(@PathVariable Long collegeId) {
+        College college = collegeService.getCollegeById(collegeId);
+        return college != null ? AjaxResult.success("查询成功", college) : AjaxResult.error("院系不存在");
+    }
+
+    /**
+     * 添加高校或院系
+     */
+    @PostMapping("/add")
+    public AjaxResult addCollege(@RequestBody College college) {
+        collegeService.addCollege(college);
+        return AjaxResult.success("添加成功");
+    }
+
+    /**
+     * 更新高校或院系信息
+     */
+    @PutMapping("/update")
+    public AjaxResult updateCollege(@RequestBody College college) {
+        collegeService.updateCollege(college);
+        return AjaxResult.success("更新成功");
+    }
+
+    /**
+     * 删除高校或院系
+     */
+    @DeleteMapping("/delete/{collegeId}")
+    public AjaxResult deleteCollege(@PathVariable Long collegeId) {
+        collegeService.deleteCollege(collegeId);
+        return AjaxResult.success("删除成功");
+    }
+}

src/main/java/com/bruce/sams/controller/CollegeLeaderController.java

@@ -0,0 +1,47 @@
+package com.bruce.sams.controller;
+
+import com.bruce.sams.domain.sms.CollegeLeader;
+import com.bruce.sams.service.CollegeLeaderService;
+import com.bruce.sams.utils.AjaxResult;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * 高校/院系负责人管理控制器
+ */
+@RestController
+@RequestMapping("/api/admin/college-leader")
+public class CollegeLeaderController {
+
+    @Autowired
+    private CollegeLeaderService collegeLeaderService;
+
+    /**
+     * 查询高校/院系负责人
+     */
+    @GetMapping("/{collegeId}")
+    public AjaxResult getCollegeLeader(@PathVariable Long collegeId) {
+        CollegeLeader leader = collegeLeaderService.getCollegeLeader(collegeId);
+        return leader != null ? AjaxResult.success("查询成功", leader) : AjaxResult.error("未找到负责人");
+    }
+
+    /**
+     * 指派负责人
+     */
+    @PostMapping("/assign")
+    public AjaxResult assignLeader(@RequestAttribute Long adminUserId,
+                                   @RequestParam Long collegeId,
+                                   @RequestParam Long userId) {
+        collegeLeaderService.assignLeader(collegeId, userId, adminUserId);
+        return AjaxResult.success("指派成功");
+    }
+
+    /**
+     * 移除负责人
+     */
+    @DeleteMapping("/remove/{collegeId}")
+    public AjaxResult removeLeader(@RequestAttribute Long adminUserId, @PathVariable Long collegeId) {
+        collegeLeaderService.removeLeader(collegeId, adminUserId);
+        return AjaxResult.success("负责人移除成功");
+    }
+}

src/main/java/com/bruce/sams/domain/sms/College.java

@@ -0,0 +1,88 @@
+package com.bruce.sams.domain.sms;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.util.Date;
+import lombok.Data;
+
+/**
+ * 高校及院系表
+ * @TableName sms_college
+ */
+@TableName(value ="sms_college")
+@Data
+public class College {
+    /**
+     * 院系ID
+     */
+    @TableId(type = IdType.AUTO)
+    private Long collegeId;
+
+    /**
+     * 名称（高校或院系）
+     */
+    private String collegeName;
+
+    /**
+     * 父院系ID（高校此值为空）
+     */
+    private Long parentId;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 创建时间
+     */
+    private Date createdAt;
+
+    @Override
+    public boolean equals(Object that) {
+        if (this == that) {
+            return true;
+        }
+        if (that == null) {
+            return false;
+        }
+        if (getClass() != that.getClass()) {
+            return false;
+        }
+        College other = (College) that;
+        return (this.getCollegeId() == null ? other.getCollegeId() == null : this.getCollegeId().equals(other.getCollegeId()))
+            && (this.getCollegeName() == null ? other.getCollegeName() == null : this.getCollegeName().equals(other.getCollegeName()))
+            && (this.getParentId() == null ? other.getParentId() == null : this.getParentId().equals(other.getParentId()))
+            && (this.getEmail() == null ? other.getEmail() == null : this.getEmail().equals(other.getEmail()))
+            && (this.getCreatedAt() == null ? other.getCreatedAt() == null : this.getCreatedAt().equals(other.getCreatedAt()));
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((getCollegeId() == null) ? 0 : getCollegeId().hashCode());
+        result = prime * result + ((getCollegeName() == null) ? 0 : getCollegeName().hashCode());
+        result = prime * result + ((getParentId() == null) ? 0 : getParentId().hashCode());
+        result = prime * result + ((getEmail() == null) ? 0 : getEmail().hashCode());
+        result = prime * result + ((getCreatedAt() == null) ? 0 : getCreatedAt().hashCode());
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append(getClass().getSimpleName());
+        sb.append(" [");
+        sb.append("Hash = ").append(hashCode());
+        sb.append(", collegeId=").append(collegeId);
+        sb.append(", collegeName=").append(collegeName);
+        sb.append(", parentId=").append(parentId);
+        sb.append(", email=").append(email);
+        sb.append(", createdAt=").append(createdAt);
+        sb.append("]");
+        return sb.toString();
+    }
+}

src/main/java/com/bruce/sams/domain/sms/CollegeLeader.java

@@ -0,0 +1,73 @@
+package com.bruce.sams.domain.sms;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.util.Date;
+import lombok.Data;
+
+/**
+ * 院系负责人表
+ * @TableName sms_college_leader
+ */
+@TableName(value ="sms_college_leader")
+@Data
+public class CollegeLeader {
+    /**
+     * 院系ID
+     */
+    @TableId
+    private Long collegeId;
+
+    /**
+     * 负责人ID
+     */
+    @TableId
+    private Long userId;
+
+    /**
+     * 指派时间
+     */
+    private Date assignedAt;
+
+    @Override
+    public boolean equals(Object that) {
+        if (this == that) {
+            return true;
+        }
+        if (that == null) {
+            return false;
+        }
+        if (getClass() != that.getClass()) {
+            return false;
+        }
+        CollegeLeader other = (CollegeLeader) that;
+        return (this.getCollegeId() == null ? other.getCollegeId() == null : this.getCollegeId().equals(other.getCollegeId()))
+            && (this.getUserId() == null ? other.getUserId() == null : this.getUserId().equals(other.getUserId()))
+            && (this.getAssignedAt() == null ? other.getAssignedAt() == null : this.getAssignedAt().equals(other.getAssignedAt()));
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((getCollegeId() == null) ? 0 : getCollegeId().hashCode());
+        result = prime * result + ((getUserId() == null) ? 0 : getUserId().hashCode());
+        result = prime * result + ((getAssignedAt() == null) ? 0 : getAssignedAt().hashCode());
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append(getClass().getSimpleName());
+        sb.append(" [");
+        sb.append("Hash = ").append(hashCode());
+        sb.append(", collegeId=").append(collegeId);
+        sb.append(", userId=").append(userId);
+        sb.append(", assignedAt=").append(assignedAt);
+        sb.append("]");
+        return sb.toString();
+    }
+}

src/main/java/com/bruce/sams/exception/AccountDisabledException.java

@@ -1,6 +1,6 @@
 package com.bruce.sams.exception;
 
-import com.bruce.sams.Constant.HttpStatus;
+import com.bruce.sams.constant.HttpStatus;
 
 /**
  * 账号被禁用异常

src/main/java/com/bruce/sams/exception/PasswordIncorrectException.java

@@ -1,6 +1,6 @@
 package com.bruce.sams.exception;
 
-import com.bruce.sams.Constant.HttpStatus;
+import com.bruce.sams.constant.HttpStatus;
 
 /**
  * 密码错误异常

src/main/java/com/bruce/sams/exception/UserNotFoundException.java

@@ -1,6 +1,6 @@
 package com.bruce.sams.exception;
 
-import com.bruce.sams.Constant.HttpStatus;
+import com.bruce.sams.constant.HttpStatus;
 
 /**
  * 用户未找到异常

src/main/java/com/bruce/sams/mapper/CollegeLeaderMapper.java

@@ -0,0 +1,33 @@
+package com.bruce.sams.mapper;
+
+import com.bruce.sams.domain.sms.CollegeLeader;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Delete;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+/**
+* @author bruce
+* @description 针对表【sms_college_leader(院系负责人表)】的数据库操作Mapper
+* @createDate 2025-02-14 14:46:05
+* @Entity com.bruce.sams.domain.sms.CollegeLeader
+*/
+@Mapper
+public interface CollegeLeaderMapper extends BaseMapper<CollegeLeader> {
+    /**
+     * 查询某个高校/院系的负责人
+     */
+    @Select("SELECT * FROM sms_college_leader WHERE college_id = #{collegeId}")
+    CollegeLeader findLeaderByCollegeId(Long collegeId);
+
+    /**
+     * 移除某个高校/院系的负责人
+     */
+    @Delete("DELETE FROM sms_college_leader WHERE college_id = #{collegeId}")
+    void removeLeaderByCollegeId(Long collegeId);
+
+}
+
+
+
+

src/main/java/com/bruce/sams/mapper/CollegeMapper.java

@@ -0,0 +1,34 @@
+package com.bruce.sams.mapper;
+
+import com.bruce.sams.domain.sms.College;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+* @author bruce
+* @description 针对表【sms_college(高校及院系表)】的数据库操作Mapper
+* @createDate 2025-02-14 13:18:44
+* @Entity com.bruce.sams.domain.sms.College
+*/
+@Mapper
+public interface CollegeMapper extends BaseMapper<College> {
+    /**
+     * 查询某个高校的所有院系
+     */
+    @Select("SELECT * FROM sms_college WHERE parent_id = #{collegeId}")
+    List<College> findDepartmentsByUniversityId(Long collegeId);
+
+    /**
+     * 获取所有高校
+     */
+    @Select("SELECT * FROM sms_college WHERE parent_id IS NULL")
+    List<College> findAllUniversities();
+
+}
+
+
+
+

src/main/java/com/bruce/sams/mapper/RoleMapper.java

@@ -12,7 +12,7 @@ import org.apache.ibatis.annotations.Select;
 * @Entity generator.domain.SysRole
 */
 @Mapper
-public interface SysRoleMapper extends BaseMapper<Role> {
+public interface RoleMapper extends BaseMapper<Role> {
     @Select("SELECT * FROM sys_role WHERE role_id = #{roleId}")
     Role findByRoleId(Long roleId);
 

src/main/java/com/bruce/sams/mapper/UserMapper.java

@@ -6,7 +6,7 @@ import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 
 @Mapper
-public interface SysUserMapper extends BaseMapper<User> {
+public interface UserMapper extends BaseMapper<User> {
 
     // 通过用户名查询用户
     @Select("SELECT * FROM sys_user WHERE user_name = #{identifier}")

src/main/java/com/bruce/sams/service/AuthService.java

@@ -12,5 +12,5 @@ public interface AuthService {
      * @param loginRequest 登录请求体（包含 username / schoolId / email + password）
      * @return JWT 令牌（成功）或 null（失败）
      */
-    public String authenticate(LoginRequest loginRequest);
+    String authenticate(LoginRequest loginRequest);
 }

src/main/java/com/bruce/sams/service/CollegeLeaderService.java

@@ -0,0 +1,27 @@
+package com.bruce.sams.service;
+
+import com.bruce.sams.domain.sms.CollegeLeader;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author bruce
+* @description 针对表【sms_college_leader(院系负责人表)】的数据库操作Service
+* @createDate 2025-02-14 14:46:05
+*/
+public interface CollegeLeaderService extends IService<CollegeLeader> {
+    /**
+     * 查询高校/院系负责人
+     */
+    CollegeLeader getCollegeLeader(Long collegeId);
+
+    /**
+     * 指派高校/院系负责人（系统管理员 或 学校管理员）
+     */
+    public void assignLeader(Long collegeId, Long userId, Long adminUserId);
+
+    /**
+     * 移除负责人
+     */
+    public void removeLeader(Long collegeId, Long adminUserId);
+
+}

src/main/java/com/bruce/sams/service/CollegeService.java

@@ -0,0 +1,44 @@
+package com.bruce.sams.service;
+
+import com.bruce.sams.domain.sms.College;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import java.util.List;
+
+/**
+* @author bruce
+* @description 针对表【sms_college(高校及院系表)】的数据库操作Service
+* @createDate 2025-02-14 13:18:44
+*/
+public interface CollegeService extends IService<College> {
+    /**
+     * 查询所有高校
+     */
+    public List<College> getAllUniversities();
+
+    /**
+     * 查询某高校的所有院系
+     */
+    public List<College> getDepartmentsByUniversity(Long universityId);
+
+    /**
+     * 查询院系详情
+     */
+    public College getCollegeById(Long collegeId);
+
+    /**
+     * 添加高校或院系
+     */
+    public void addCollege(College college);
+
+    /**
+     * 更新高校/院系信息
+     */
+    public void updateCollege(College college);
+
+    /**
+     * 删除高校/院系
+     */
+    public void deleteCollege(Long collegeId);
+
+}

src/main/java/com/bruce/sams/service/impl/AuthServiceImpl.java

@@ -5,8 +5,8 @@ import com.bruce.sams.domain.sys.User;
 import com.bruce.sams.exception.AccountDisabledException;
 import com.bruce.sams.exception.PasswordIncorrectException;
 import com.bruce.sams.exception.UserNotFoundException;
-import com.bruce.sams.mapper.SysRoleMapper;
-import com.bruce.sams.mapper.SysUserMapper;
+import com.bruce.sams.mapper.RoleMapper;
+import com.bruce.sams.mapper.UserMapper;
 import com.bruce.sams.service.AuthService;
 import com.bruce.sams.utils.PasswordUtil;
 import com.bruce.sams.utils.TokenUtil;
@@ -20,10 +20,10 @@ import org.springframework.stereotype.Service;
 public class AuthServiceImpl implements AuthService {
 
     @Autowired
-    private SysUserMapper userMapper;
+    private UserMapper userMapper;
 
     @Autowired
-    private SysRoleMapper roleMapper;
+    private RoleMapper roleMapper;
 
     /**
      * 处理用户认证，支持用户名、学号、邮箱登录

src/main/java/com/bruce/sams/service/impl/CollegeLeaderServiceImpl.java

@@ -0,0 +1,88 @@
+package com.bruce.sams.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.bruce.sams.constant.HttpStatus;
+import com.bruce.sams.domain.sms.CollegeLeader;
+import com.bruce.sams.domain.sys.User;
+import com.bruce.sams.exception.AccountDisabledException;
+import com.bruce.sams.exception.CustomException;
+import com.bruce.sams.exception.UserNotFoundException;
+import com.bruce.sams.mapper.UserMapper;
+import com.bruce.sams.service.CollegeLeaderService;
+import com.bruce.sams.mapper.CollegeLeaderMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+
+/**
+* @author bruce
+* @description 针对表【sms_college_leader(院系负责人表)】的数据库操作Service实现
+* @createDate 2025-02-14 14:46:05
+*/
+@Service
+public class CollegeLeaderServiceImpl extends ServiceImpl<CollegeLeaderMapper, CollegeLeader>
+    implements CollegeLeaderService{
+
+    @Autowired
+    private CollegeLeaderMapper collegeLeaderMapper;
+
+    @Autowired
+    private UserMapper userMapper;
+
+    /**
+     * 查询高校/院系负责人
+     */
+    public CollegeLeader getCollegeLeader(Long collegeId) {
+        return collegeLeaderMapper.findLeaderByCollegeId(collegeId);
+    }
+
+    /**
+     * 指派高校/院系负责人（系统管理员 或 学校管理员）
+     */
+    public void assignLeader(Long collegeId, Long userId, Long adminUserId) {
+        // 查询用户是否存在
+        User user = userMapper.selectById(userId);
+        if (user == null) {
+            throw new UserNotFoundException();
+        }
+
+        // 检查是否禁用
+        if ("banned".equals(user.getStatus())) {
+            throw new AccountDisabledException();
+        }
+
+        // 检查指派权限（系统管理员只能指派学校管理员，学校管理员只能指派学院管理员）
+        User adminUser = userMapper.selectById(adminUserId);
+        if (adminUser == null || adminUser.getRoleId() > 1) { // roleId=0 为系统管理员，roleId=1 为学校管理员
+            throw new CustomException(HttpStatus.FORBIDDEN, "无权指派负责人");
+        }
+
+        // 如果已存在负责人，先移除
+        collegeLeaderMapper.removeLeaderByCollegeId(collegeId);
+
+        // 指派新负责人
+        CollegeLeader leader = new CollegeLeader();
+        leader.setCollegeId(collegeId);
+        leader.setUserId(userId);
+        leader.setAssignedAt(new Date());
+
+        collegeLeaderMapper.insert(leader);
+    }
+
+    /**
+     * 移除负责人
+     */
+    public void removeLeader(Long collegeId, Long adminUserId) {
+        User adminUser = userMapper.selectById(adminUserId);
+        if (adminUser == null || adminUser.getRoleId() > 1) {
+            throw new CustomException(HttpStatus.FORBIDDEN, "无权移除负责人");
+        }
+
+        collegeLeaderMapper.removeLeaderByCollegeId(collegeId);
+    }
+}
+
+
+
+

src/main/java/com/bruce/sams/service/impl/CollegeServiceImpl.java

@@ -0,0 +1,65 @@
+package com.bruce.sams.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.bruce.sams.domain.sms.College;
+import com.bruce.sams.service.CollegeService;
+import com.bruce.sams.mapper.CollegeMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class CollegeServiceImpl extends ServiceImpl<CollegeMapper, College>
+    implements CollegeService{
+
+    @Autowired
+    private CollegeMapper collegeMapper;
+
+    /**
+     * 查询所有高校
+     */
+    public List<College> getAllUniversities() {
+        return collegeMapper.findAllUniversities();
+    }
+
+    /**
+     * 查询某高校的所有院系
+     */
+    public List<College> getDepartmentsByUniversity(Long universityId) {
+        return collegeMapper.findDepartmentsByUniversityId(universityId);
+    }
+
+    /**
+     * 查询院系详情
+     */
+    public College getCollegeById(Long collegeId) {
+        return collegeMapper.selectById(collegeId);
+    }
+
+    /**
+     * 添加高校或院系
+     */
+    public void addCollege(College college) {
+        collegeMapper.insert(college);
+    }
+
+    /**
+     * 更新高校/院系信息
+     */
+    public void updateCollege(College college) {
+        collegeMapper.updateById(college);
+    }
+
+    /**
+     * 删除高校/院系
+     */
+    public void deleteCollege(Long collegeId) {
+        collegeMapper.deleteById(collegeId);
+    }
+}
+
+
+
+

src/main/java/com/bruce/sams/service/impl/UserServiceImpl.java

@@ -5,7 +5,7 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.bruce.sams.domain.sys.User;
 import com.bruce.sams.exception.PasswordIncorrectException;
 import com.bruce.sams.exception.UserNotFoundException;
-import com.bruce.sams.mapper.SysUserMapper;
+import com.bruce.sams.mapper.UserMapper;
 import com.bruce.sams.service.UserService;
 import com.bruce.sams.utils.PasswordUtil;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -14,11 +14,11 @@ import org.springframework.stereotype.Service;
 import java.util.List;
 
 @Service
-public class UserServiceImpl extends ServiceImpl<SysUserMapper, User>
+public class UserServiceImpl extends ServiceImpl<UserMapper, User>
         implements UserService {
 
     @Autowired
-    private SysUserMapper userMapper;
+    private UserMapper userMapper;
 
     /**
      * 批量导入用户

src/main/java/com/bruce/sams/utils/AjaxResult.java

@@ -1,6 +1,6 @@
 package com.bruce.sams.utils;
 
-import com.bruce.sams.Constant.HttpStatus;
+import com.bruce.sams.constant.HttpStatus;
 
 import java.util.HashMap;
 import java.util.Objects;
@@ -23,19 +23,8 @@ public class AjaxResult extends HashMap<String, Object>
     /** 数据对象 */
     public static final String DATA_TAG = "data";
 
-    /**
-     * 初始化一个新创建的 AjaxResult 对象，使其表示一个空消息。
-     */
-    public AjaxResult()
-    {
-    }
+    public AjaxResult() {}
 
-    /**
-     * 初始化一个新创建的 AjaxResult 对象
-     * 
-     * @param code 状态码
-     * @param msg 返回内容
-     */
     public AjaxResult(int code, String msg)
     {
         super.put(CODE_TAG, code);

src/main/resources/mapper/CollegeLeaderMapper.xml

@@ -0,0 +1,16 @@
+<?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.bruce.sams.mapper.CollegeLeaderMapper">
+
+    <resultMap id="BaseResultMap" type="com.bruce.sams.domain.sms.CollegeLeader">
+            <id property="collegeId" column="college_id" />
+            <id property="userId" column="user_id" />
+            <result property="assignedAt" column="assigned_at" />
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        college_id,user_id,assigned_at
+    </sql>
+</mapper>

src/main/resources/mapper/CollegeMapper.xml

@@ -0,0 +1,18 @@
+<?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.bruce.sams.mapper.CollegeMapper">
+
+    <resultMap id="BaseResultMap" type="com.bruce.sams.domain.sms.College">
+            <id property="collegeId" column="college_id" />
+            <result property="collegeName" column="college_name" />
+            <result property="parentId" column="parent_id" />
+            <result property="email" column="email" />
+            <result property="createdAt" column="created_at" />
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        college_id,college_name,parent_id,email,created_at
+    </sql>
+</mapper>

src/main/resources/mapper/RoleMapper.xml

@@ -2,7 +2,7 @@
 <!DOCTYPE mapper
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.bruce.sams.mapper.SysRoleMapper">
+<mapper namespace="com.bruce.sams.mapper.RoleMapper">
 
     <resultMap id="BaseResultMap" type="com.bruce.sams.domain.sys.Role">
             <id property="roleId" column="role_id" />

src/main/resources/mapper/UserMapper.xml

@@ -2,7 +2,7 @@
 <!DOCTYPE mapper
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.bruce.sams.mapper.SysUserMapper">
+<mapper namespace="com.bruce.sams.mapper.UserMapper">
 
     <resultMap id="BaseResultMap" type="com.bruce.sams.domain.sys.User">
             <id property="userId" column="user_id" />