增加根据id获取预约信息接口

src/main/java/com/example/mini_program/controller/AppointmentController.java

@@ -3,6 +3,7 @@ package com.example.mini_program.controller;
 import com.example.mini_program.common.Result;
 import com.example.mini_program.entity.VisitApplication;
 import com.example.mini_program.service.AppointmentService;
+import com.example.mini_program.vo.VisitApplicationVo;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
 
@@ -87,4 +88,20 @@ public class AppointmentController {
         boolean success = appointmentService.approve(id, status);
         return success ? Result.success(true) : Result.error("审批失败，记录不存在或状态不允许");
     }
+
+
+    /**
+     * 根据id获取审批详情
+     */
+    @PutMapping("/detail")
+    public Result<VisitApplicationVo> detail(@RequestParam String id, @RequestParam String openid) throws Exception {
+        if (id == null || id.trim().isEmpty()) {
+            return Result.error("id不能为空");
+        }
+        if (openid == null || openid.trim().isEmpty()) {
+            return Result.error("openid不能为空");
+        }
+        VisitApplicationVo vo = appointmentService.detail(id, openid);
+        return Result.success(vo);
+    }
 }

src/main/java/com/example/mini_program/service/AppointmentService.java

@@ -2,8 +2,10 @@ package com.example.mini_program.service;
 
 import com.example.mini_program.entity.VisitApplication;
 import com.example.mini_program.mapper.VisitApplicationMapper;
+import com.example.mini_program.vo.VisitApplicationVo;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
@@ -103,7 +105,6 @@ public class AppointmentService {
             log.warn("预约状态不允许取消, id: {}, status: {}", id, existing.getStatus());
             return false;
         }
-
         int rows = visitApplicationMapper.updateStatusToCancelled(id, openid);
         if (rows > 0) {
             log.info("取消预约成功, id: {}", id);
@@ -113,6 +114,20 @@ public class AppointmentService {
         return false;
     }
 
+    /**
+     * 预约详情
+     */
+    public VisitApplicationVo detail(String id, String openid) throws Exception {
+        log.info("预约详情, id: {}, openid: {}", id, openid);
+        VisitApplication existing = visitApplicationMapper.selectByIdAndOpenid(id, openid);
+        if (existing == null) {
+            throw new Exception("未查询到该用户的访客预约记录");
+        }
+        VisitApplicationVo visitApplicationVo = new VisitApplicationVo();
+        BeanUtils.copyProperties(visitApplicationVo, existing);
+        return visitApplicationVo;
+    }
+
     /**
      * 审批预约（通过/拒绝）
      */

src/main/java/com/example/mini_program/vo/VisitApplicationVo.java

@@ -0,0 +1,21 @@
+package com.example.mini_program.vo;
+
+import com.fasterxml.jackson.annotation.JsonAlias;
+import lombok.Data;
+
+@Data
+public class VisitApplicationVo {
+
+    private String name;
+    private String phone;
+    private String company;
+    private String reason;
+
+    @JsonAlias("date")
+    private String visitDate;
+    @JsonAlias("time")
+    private String visitTime;
+    private String hostName;
+    private String area;
+    private String statusText;
+}