APP调用微信授权登录之服务端开发

来源：互联网发布：淘宝外观设计专利编辑：程序博客网时间：2024/05/17 08:50
一直在做微信支付微信授权登录这块的APP接口现在提供一个写好的微信授权service类给大家参考
import com.pojo.wechat.UserInfoData;import com.utils.ConfigUtil;import com.utils.https.HttpClientUtil;import org.apache.commons.lang.StringUtils;import org.json.JSONException;import org.json.JSONObject;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Service;/** * APP调用微信授权获取用户信息 * Created by LaoWang on 2017/11/11. */@Service("WeiXinAuthService")public class WeiXinAuthService {    private static final Logger logger = LoggerFactory.getLogger(WeiXinAuthService.class);    public static final String WX_AUTH_LOGIN_URL = "https://api.weixin.qq.com/sns/oauth2/access_token";    public static final String WX_USERINFO_URL = "https://api.weixin.qq.com/sns/userinfo";    public static final String WX_ACCESS_INVALID = "https://api.weixin.qq.com/sns/auth";    public static final String WX_REFREESH_ACCESS = "https://api.weixin.qq.com/sns/oauth2/refresh_token";    //appid和appSecret 是在公众平台上申请的    //AppId    public static final String WX_APP_ID = ConfigUtil.getProperty("wx.appid");    //AppSecret    public static final String WX_APP_KEY = ConfigUtil.getProperty("wx.appkey");    /**     * 获取用户信息     * @param code     * @return     * @throws JSONException     */    public UserInfoData checkLogin(String code) throws JSONException {        //第一步:获取授权 access_token        String access_token_url = WX_AUTH_LOGIN_URL+"?appid="+WX_APP_ID+"&secret="+WX_APP_KEY+"&code="+code+"&grant_type=authorization_code";        //使用Https请求微信API接口        String loginRet = HttpClientUtil.doGet(access_token_url,"utf-8");        JSONObject grantObj = new JSONObject(loginRet);        String errcode = grantObj.optString("errcode");        if (!StringUtils.isEmpty(errcode)){            logger.error("login weixin error {}",loginRet);            return null;        }        String openId = grantObj.optString("openid");        if (StringUtils.isEmpty(openId)){            logger.error("login weixin getOpenId error {}",loginRet);            return null;        }        String accessToken = grantObj.optString("access_token");        String expiresIn = grantObj.optString("expires_in");        String refreshToken = grantObj.optString("refresh_token");        String scope = grantObj.optString("scope");        //第二步:获取用户信息        String getuserinfo_url = WX_USERINFO_URL+"?access_token="+accessToken+"&openid="+openId;        //使用Https请求微信API接口        String userRet = HttpClientUtil.doGet(getuserinfo_url,"utf-8");        JSONObject userObj = new JSONObject(userRet);        UserInfoData userInfo = new UserInfoData();        userInfo.setOpenId(openId);        userInfo.setAccessToken(accessToken);        userInfo.setRefreshToken(refreshToken);        userInfo.setScope(scope);        userInfo.setExpiresIn(Integer.valueOf(expiresIn));        String nickname = userObj.optString("nickname");        String sex = userObj.optString("sex");        String userImg = userObj.optString("headimgurl");        String unionid = userObj.optString("unionid");        userInfo.setNickname(nickname);        userInfo.setUserImg(userImg);        userInfo.setSex(sex);        userInfo.setUnionid(unionid);        return userInfo;    }    /**     * 验证accessToken是否过期     * @param accessToken     * @param openID     * @return     * @throws JSONException     */    public boolean isAccessTokenIsInvalid(String accessToken,String openID) throws JSONException {        String url = WX_ACCESS_INVALID+"?access_token=" + accessToken + "&openid=" + openID;        String invalidRet = HttpClientUtil.doGet(url,"utf-8");        try {            JSONObject grantObj = new JSONObject(invalidRet);            String errcode = grantObj.optString("errcode");            if (!StringUtils.isEmpty(errcode)){                logger.error("AccessToken Invalid error {}",grantObj);                return false;            }            int errorCode = grantObj.getInt("errcode");            if (errorCode == 0) {                return true;            }        } catch (JSONException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return false;    }    /**     * 刷新refresh_token     * @param refreshToken     */    public UserInfoData refreshAccessToken(String refreshToken) {        String uri = WX_REFREESH_ACCESS+"?appid=" + WX_APP_ID + "&grant_type=refresh_token&refresh_token="+refreshToken;        String invalidRet = HttpClientUtil.doGet(uri,"utf-8");        UserInfoData userInfo = new UserInfoData();        try {            JSONObject object = new JSONObject(invalidRet);            String errcode = object.optString("errcode");            if (!StringUtils.isEmpty(errcode)){                logger.error("Refresh AccessToken error {}",object);                return null;            }            userInfo.setOpenId(object.getString("openid"));            userInfo.setAccessToken(object.getString("access_token"));            userInfo.setRefreshToken(object.getString("refresh_token"));            userInfo.setExpiresIn(Integer.valueOf(object.getString("expires_in")));        } catch (JSONException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return userInfo;    }}
具体使用方法请根据项目需求进行更改
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