新增加Dify相关接口WeChatMentalAlertController用于接收信息调用企业微信发送消息给铺导员，新增加对有心理问题学生的数据库表存储student_mental_rating，新增加对student_mental_rating表的所有查询和学号精准查询

srs-admin/src/main/java/com/srs/web/controller/common/WeChatMentalAlertController.java

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+package com.srs.web.controller.common;
+
+import com.srs.common.core.controller.BaseController;
+import com.srs.common.core.domain.AjaxResult;
+import com.srs.common.core.domain.entity.SysUser;
+import com.srs.common.core.domain.model.LoginUser;
+import com.srs.common.utils.WeChatUtil;
+import com.srs.framework.web.service.TokenService;
+import com.srs.system.domain.StudentMentalRating;
+import com.srs.system.mapper.StudentMentalRatingMapper;
+import com.srs.system.mapper.SysUserMapper;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * Dify心理问题发送企业微信  知无涯
+ */
+@Slf4j
+@RestController
+@RequestMapping("/api/wechat")
+public class WeChatMentalAlertController extends BaseController {
+
+    @Autowired
+    private SysUserMapper sysUserMapper;
+
+    @Autowired
+    private WeChatUtil weChatUtil;
+
+    @Autowired
+    private TokenService tokenService;
+    @Autowired
+    private StudentMentalRatingMapper studentMentalRatingMapper;
+
+    /**
+     * 处理心理预警通知请求
+     */
+    @PostMapping("/mentalAlert")
+    public AjaxResult handleMentalAlert(@RequestBody MentalAlertRequest request,
+                                        HttpServletRequest httpRequest) {
+
+        //  校验 token 是否有效
+        LoginUser loginUser = tokenService.getLoginUser(httpRequest);
+        if (loginUser == null) {
+            return AjaxResult.error("Token无效或已过期");
+        }
+
+        //  查询辅导员信息
+        SysUser teacher = sysUserMapper.selectTeacherByStuNo(request.getUserId());
+        if (teacher == null || !StringUtils.hasText(teacher.getUserName())) {
+            log.error("辅导员信息不完整，学号: {}", request.getUserId());
+            return AjaxResult.error("未分配辅导员或信息不完整");
+        }
+        /* 保存学生心理问题评级 */
+        StudentMentalRating record = new StudentMentalRating();
+        record.setStudentId(request.getUserId());
+        record.setRating(request.getRating());
+        studentMentalRatingMapper.insert(record);
+
+        // 构建并发送消息
+        try {
+            String content = buildContent(request, teacher);
+            weChatUtil.sendTextMessage(teacher.getUserName(), content);
+            return AjaxResult.success("消息已发送至辅导员");
+        } catch (Exception e) {
+            log.error("发送企业微信失败", e);
+            return AjaxResult.error("发送失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * 构建企业微信消息内容
+     */
+    private String buildContent(MentalAlertRequest request, SysUser teacher) {
+        String teacherName = StringUtils.hasText(teacher.getNickName())
+                ? teacher.getNickName()
+                : teacher.getUserName();
+        return String.format(
+                "【心理预警通知】\n" +
+                        "辅导员：%s（%s）\n" +
+                        "学生姓名：%s\n" +
+                        "学号：%s\n" +
+                        "问题描述：%s\n" +
+                        "AI建议：%s\n" +
+                        "心理问题评级：%s",
+                teacherName,
+                teacher.getUserName(),
+                request.getUserName(),
+                request.getUserId(),
+                request.getStudentQuestion(),
+                request.getAiAnswer(),
+                request.getRating()
+        );
+    }
+
+
+    @Data
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class MentalAlertRequest {
+        private String userId;          // 学生学号
+        private String userName;        // 学生姓名
+        private String studentQuestion; // 学生提问内容
+        private String aiAnswer;        // AI回复内容
+        private String rating;          // 心理问题评级
+    }
+
+    /**
+     * 获取全部学生心理评级记录
+     */
+    @GetMapping("/rating/all")
+    public AjaxResult allRatings() {
+        return AjaxResult.success(studentMentalRatingMapper.selectAll());
+    }
+
+    /**
+     * 根据学号获取全部记录
+     */
+    @GetMapping("/rating/{stuNo}")
+    public AjaxResult listByStuNo(@PathVariable String stuNo) {
+        return AjaxResult.success(studentMentalRatingMapper.selectByStuNo(stuNo));
+    }
+}

srs-system/src/main/java/com/srs/system/domain/StudentMentalRating.java

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+package com.srs.system.domain;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.srs.common.core.domain.BaseEntity;
+
+import java.util.Date;
+
+/**
+ * 学生心理问题评级表  知无涯
+ */
+public class StudentMentalRating extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    private Long id;
+    private String studentId;
+    private String rating;
+
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getStudentId() {
+        return studentId;
+    }
+
+    public void setStudentId(String studentId) {
+        this.studentId = studentId;
+    }
+
+    public String getRating() {
+        return rating;
+    }
+
+    public void setRating(String rating) {
+        this.rating = rating;
+    }
+
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private Date createdTime;
+
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private Date updatedTime;
+}

srs-system/src/main/java/com/srs/system/mapper/StudentMentalRatingMapper.java

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+package com.srs.system.mapper;
+
+import com.srs.system.domain.StudentMentalRating;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+public interface StudentMentalRatingMapper {
+
+    /**
+     * 按学号查询 知无涯
+     */
+    StudentMentalRating selectByStudentId(String studentId);
+
+    /**
+     * 插入
+     */
+    int insert(StudentMentalRating record);
+
+    /**
+     * 按学号更新评级
+     */
+    int updateRatingByStudentId(StudentMentalRating record);
+
+    /** 全部记录 */
+    List<StudentMentalRating> selectAll();
+
+    /** 单学号全部记录 */
+    List<StudentMentalRating> selectByStuNo(@Param("stuNo") String stuNo);
+
+}
+

srs-system/src/main/resources/mapper/system/StudentMentalRatingMapper.xml

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+<?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.srs.system.mapper.StudentMentalRatingMapper">
+<!--  添加  知无涯-->
+    <select id="selectByStudentId" resultType="com.srs.system.domain.StudentMentalRating">
+        SELECT id, student_id, rating, created_time, updated_time
+        FROM student_mental_rating
+        WHERE student_id = #{studentId}
+    </select>
+
+    <insert id="insert" parameterType="com.srs.system.domain.StudentMentalRating"
+            useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO student_mental_rating(student_id, rating)
+        VALUES (#{studentId}, #{rating})
+    </insert>
+
+    <update id="updateRatingByStudentId" parameterType="com.srs.system.domain.StudentMentalRating">
+        UPDATE student_mental_rating
+        SET rating = #{rating}
+        WHERE student_id = #{studentId}
+    </update>
+
+    <!-- 心理查询全部：知无涯 -->
+    <select id="selectAll" resultType="com.srs.system.domain.StudentMentalRating">
+        SELECT id,
+               student_id AS studentId,
+               rating,
+               created_time AS createdTime,
+               updated_time AS updatedTime
+        FROM student_mental_rating
+        ORDER BY created_time DESC
+    </select>
+
+    <!-- 根据学号查询心理：知无涯 -->
+    <select id="selectByStuNo" resultType="com.srs.system.domain.StudentMentalRating">
+        SELECT id,
+               student_id AS studentId,
+               rating,
+               created_time AS createdTime,
+               updated_time AS updatedTime
+        FROM student_mental_rating
+        WHERE student_id = #{stuNo}
+        ORDER BY created_time DESC
+    </select>
+</mapper>