苍穹外卖--微信登录功能实现&用户端登录校验添加

2025-11-18 15:31:50 +08:00
parent 39b0669c35
commit ccf1aeb7af
9 changed files with 229 additions and 3 deletions
--- a/sky-server/src/main/java/com/sky/service/impl/UserServiceImpl.java
+++ b/sky-server/src/main/java/com/sky/service/impl/UserServiceImpl.java
@@ -0,0 +1,64 @@
+package com.sky.service.impl;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.sky.constant.MessageConstant;
+import com.sky.dto.UserLoginDTO;
+import com.sky.entity.User;
+import com.sky.exception.LoginFailedException;
+import com.sky.mapper.UserMapper;
+import com.sky.properties.WeChatProperties;
+import com.sky.service.UserService;
+import com.sky.utils.HttpClientUtil;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.Map;
+
+@Service
+public class UserServiceImpl implements UserService {
+
+    @Autowired
+    private WeChatProperties weChatProperties;
+
+    @Autowired
+    private UserMapper userMapper;
+    /**
+     * 微信登录功能
+     * @param userLoginDTO
+     * @return
+     */
+    @Override
+    public User wxLogin(UserLoginDTO userLoginDTO) {
+        //1.调用微信接口服务，获取微信用户唯一标识openID
+        String openId = getOpenId(userLoginDTO);
+        //2.判断openID是否为空
+        if (openId == null) {
+            throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
+        }
+        //3.判断当前用户是否是新用户
+        User user = userMapper.getByOpenId(openId);
+        //4.如果是新用户(数据库中查询不到数据)，自动完成注册
+        if (user == null) {
+            user = User.builder().openid(openId).createTime(LocalDateTime.now()).build();
+            userMapper.insert(user);
+        }
+        //5.返回登录对象User
+        return user;
+    }
+
+    //使用httpclient调用微信接口服务
+    private String getOpenId(UserLoginDTO userLoginDTO) {
+        Map<String, String> map = new HashMap<>();
+        map.put("appid",weChatProperties.getAppid());
+        map.put("secret",weChatProperties.getSecret());
+        map.put("js_code", userLoginDTO.getCode());
+        map.put("grant_type"," authorization_code");
+        String json = HttpClientUtil.doGet("https://api.weixin.qq.com/sns/jscode2session", map);
+        JSONObject jsonObject = JSON.parseObject(json);
+        String openid = jsonObject.getString("openid");
+        return openid;
+    }
+}