官网地址:https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html
授权效果
错误码的返回
第一步会获得一个微信返回的code,拿着这个CODE 还有APPID还有公钥往微信发送请求
// 1.调用getHTMLAccessToken
JSONObject htmlAccessToken = WeChatUtil.getHTMLAccessToken(code);
// 2.获取用户授权的微信地址
public static final String GET_HTML_ACCESS_TOKEN = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code";
/** java www.fhadmin.cn
* 3.根据code获取access_token
* @param code
* @return access_token,open_id
*/
public static JSONObject getHTMLAccessToken(String code) {
String replace =GET_HTML_ACCESS_TOKEN.replace("APPID", WeChatResources.APPID).replace("SECRET", WeChatResources.APPSECRET).replace("CODE", code);
log.info("请求url:{}",replace);
JSONObject jsonObject = HttpUtil.doGet(replace);
return jsonObject;
}
/**
* 4.发送请求的doGET方法
*/
public static JSONObject doGet(String url) {
HttpClient httpClient = HttpClientBuilder.create().build();
HttpGet get = new HttpGet(url);
JSONObject jsonObject = null;
try {
HttpResponse response = httpClient.execute(get);
HttpEntity entity = response.getEntity();
if (null != entity) {
String result = EntityUtils.toString(entity);
jsonObject = JSONObject.fromObject(result);
}
} catch (IOException e) {
e.printStackTrace();
}
return jsonObject;
}
// 5.方法响应成功后获取access_token和openid
Object access_token = htmlAccessToken.get("access_token");
Object openid = htmlAccessToken.get("openid");
参数说明
//1.根据access_token,open_id获取用户信息 从而完成微信的授权登入
JSONObject userInfo = WeChatUtil.getUserInfo(access_token, openid);
//2.获取用户信息 openid
public static final String GET_USER_INFO = "https://api.weixin.qq.com/sns/userinfo?access_token=ACCESS_TOKEN&openid=OPENID&lang=zh_CN";
/**java www.fhadmin.cn
* 3.根据access_token,open_id获取用户信息
* @return
*/
public static JSONObject getUserInfo(Object access_token,Object open_id){
String replace = GET_USER_INFO.replace("ACCESS_TOKEN", access_token.toString()).replace("OPENID", open_id.toString());
JSONObject jsonObject = HttpUtil.doGet(replace);
return jsonObject;
}
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。