package com.ruoyi.common.utils;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.web.client.RestTemplate;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 微信工具类
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*
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* @author ruoyi
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*/
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public class WechatUtils {
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private static final Logger log = LoggerFactory.getLogger(WechatUtils.class);
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private static final String WECHAT_API_BASE_URL = "https://api.weixin.qq.com";
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/**
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* 获取微信Access Token
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*
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* @param appId 微信AppID
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* @param appSecret 微信AppSecret
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* @return Access Token
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*/
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public static String getAccessToken(String appId, String appSecret) {
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try {
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String url = WECHAT_API_BASE_URL + "/cgi-bin/token?grant_type=client_credential&appid=" + appId + "&secret=" + appSecret;
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RestTemplate restTemplate = new RestTemplate();
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String response = restTemplate.getForObject(url, String.class);
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JSONObject jsonObject = JSON.parseObject(response);
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if (jsonObject.containsKey("access_token")) {
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return jsonObject.getString("access_token");
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} else {
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log.error("获取微信Access Token失败: {}", response);
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return null;
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}
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} catch (Exception e) {
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log.error("获取微信Access Token异常: {}", e.getMessage());
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return null;
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}
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}
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/**
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* 获取微信用户信息
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*
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* @param accessToken Access Token
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* @param openid 用户OpenID
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* @return 用户信息
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*/
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public static JSONObject getWechatUserInfo(String accessToken, String openid) {
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try {
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String url = WECHAT_API_BASE_URL + "/cgi-bin/user/info?access_token=" + accessToken + "&openid=" + openid + "&lang=zh_CN";
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RestTemplate restTemplate = new RestTemplate();
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String response = restTemplate.getForObject(url, String.class);
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JSONObject jsonObject = JSON.parseObject(response);
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if (jsonObject.containsKey("openid")) {
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return jsonObject;
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} else {
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log.error("获取微信用户信息失败: {}", response);
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return null;
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}
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} catch (Exception e) {
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log.error("获取微信用户信息异常: {}", e.getMessage());
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return null;
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}
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}
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/**
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* 获取微信网页授权Access Token
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*
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* @param appId 微信AppID
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* @param appSecret 微信AppSecret
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* @param code 授权码
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* @return 网页授权Access Token信息
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*/
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public static JSONObject getWebAccessToken(String appId, String appSecret, String code) {
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try {
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String url = WECHAT_API_BASE_URL + "/sns/oauth2/access_token?appid=" + appId + "&secret=" + appSecret + "&code=" + code + "&grant_type=authorization_code";
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RestTemplate restTemplate = new RestTemplate();
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String response = restTemplate.getForObject(url, String.class);
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JSONObject jsonObject = JSON.parseObject(response);
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if (jsonObject.containsKey("access_token")) {
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return jsonObject;
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} else {
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log.error("获取微信网页授权Access Token失败: {}", response);
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return null;
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}
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} catch (Exception e) {
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log.error("获取微信网页授权Access Token异常: {}", e.getMessage());
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return null;
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}
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}
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/**
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* 获取微信网页授权用户信息
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*
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* @param accessToken 网页授权Access Token
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* @param openid 用户OpenID
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* @return 用户信息
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*/
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public static JSONObject getWebUserInfo(String accessToken, String openid) {
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try {
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String url = WECHAT_API_BASE_URL + "/sns/userinfo?access_token=" + accessToken + "&openid=" + openid + "&lang=zh_CN";
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RestTemplate restTemplate = new RestTemplate();
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String response = restTemplate.getForObject(url, String.class);
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JSONObject jsonObject = JSON.parseObject(response);
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if (jsonObject.containsKey("openid")) {
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return jsonObject;
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} else {
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log.error("获取微信网页授权用户信息失败: {}", response);
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return null;
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}
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} catch (Exception e) {
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log.error("获取微信网页授权用户信息异常: {}", e.getMessage());
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return null;
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}
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}
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/**
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* 生成微信网页授权URL
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*
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* @param appId 微信AppID
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* @param redirectUri 回调地址
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* @param scope 授权范围 (snsapi_base 或 snsapi_userinfo)
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* @param state 状态参数
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* @return 授权URL
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*/
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public static String generateAuthUrl(String appId, String redirectUri, String scope, String state) {
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try {
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String encodedRedirectUri = java.net.URLEncoder.encode(redirectUri, "UTF-8");
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return WECHAT_API_BASE_URL + "/connect/oauth2/authorize?appid=" + appId + "&redirect_uri=" + encodedRedirectUri + "&response_type=code&scope=" + scope + "&state=" + state + "#wechat_redirect";
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} catch (Exception e) {
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log.error("生成微信授权URL异常: {}", e.getMessage());
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return null;
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}
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}
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/**
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* 判断是否为微信浏览器
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*
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* @param userAgent 用户代理字符串
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* @return 是否为微信浏览器
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*/
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public static boolean isWechatBrowser(String userAgent) {
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if (StringUtils.isEmpty(userAgent)) {
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return false;
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}
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return userAgent.toLowerCase().contains("micromessenger");
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}
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}
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