工具类（一）-----微信工具类

来源：互联网发布：淘宝企业店铺消失了编辑：程序博客网时间：2024/05/21 19:20
前些天做微信授权登录用到了一些关于调用微信接口的东西，写了个工具类分享给大家，如有问题欢迎大家批评指正！！！
package com.iyiqiba.utility;import java.io.IOException;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import com.alibaba.fastjson.JSONObject;import com.iyiqiba.common.WChartUser;import com.iyiqiba.common.OAuthAccessToken;/** * 微信工具类 * @author ZSQ 2017年6月4日20:49:34 * */public class WChartUtils {    private static Logger log = LoggerFactory.getLogger(WChartUtils.class);    public final static String APPID = "wx6a42b00945e04c";    public final static String APPSECRET = "05e78940a491423c47185e7ccb8ee";     //获取用户详细信息    public final static String SCOPE_INFO = "snsapi_userinfo";    //近获取用户open_id    public final static String SCOPE_BASE = "snsapi_base";    //微信请求接口地址      //获取access_token 接口地址   Get    public final static String ACCESS_TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";    //获取网页授权登录access_token 接口地址Get    public final static String OAUTH_ACCESS_TOKEN_URL = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code";    //获取授权登录用户信息 接口地址Get    public final static String OAUTH_WCHAT_USER_URL = "https://api.weixin.qq.com/sns/userinfo?access_token=ACCESS_TOKEN&openid=OPENID&lang=zh_CN";    public final static String OAUTH_LOGIN_URL = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect";    //access_token有效时间 时间有时间是7200 为了防止延时导致获取access_token的间断    public static long expires_in = 7100;    //上次获取access_token时间    private static Long lastGetAccessTokenTime = 0L;    //当前access_token值    private static String access_token = null;    /***     * 获取access_token      * @return access_token     * @throws IOException     */    public static String getAccessToken() throws IOException{        if (access_token == null) {//当前没有获取access_token            access_token = refreshAccessToken();        }else {//已经获取过access_token            Long curTime = System.currentTimeMillis();            if ((curTime-lastGetAccessTokenTime)/1000 >= expires_in) {                access_token = refreshAccessToken();            }        }               return access_token;    }    /***     * 刷新access_token      * @return access_token     * @throws IOException     */    public static String refreshAccessToken() throws IOException{        lastGetAccessTokenTime = System.currentTimeMillis();        String url = ACCESS_TOKEN_URL.replace("APPID", APPID).replace("APPSECRET", APPSECRET);          String result = HttpsRequest.sendGet(url);        JSONObject json = JSONObject.parseObject(result);        String token = (String) json.get("access_token");               if (token == null) {            String errorCode = (String) json.get("errcode");            String errorMsg = (String) json.get("errmsg");            log.error("获取access_token失败:错误代码：" + errorCode + "错误信息：" + errorMsg);        }           return token;    }    /**     * 获取授权登录access_token     * @param code     * @return     * @throws IOException     */    public static OAuthAccessToken getOAuthAccessToken(String code) throws IOException{        String url = OAUTH_ACCESS_TOKEN_URL.replace("APPID", APPID).replace("SECRET", APPSECRET).replace("CODE", code);         String result = HttpsRequest.sendGet(url);        JSONObject json= JSONObject.parseObject(result);        String token = json.getString("access_token");        if(token == null){            String errorCode = json.getString("errcode");            String errorMsg = json.getString("errmsg");            System.out.println(json.toString());            log.error("获取授权登录access_token失败:错误代码：" + errorCode + "错误信息：" + errorMsg);            return null;        }               OAuthAccessToken accessToken = (OAuthAccessToken) JSONObject.parseObject(result, OAuthAccessToken.class);        return accessToken;    }    /**     * 获取用户信息      * @return      * @throws IOException     */    public static WChartUser getOAuthUserInfo(String code) throws IOException{        OAuthAccessToken accessToken = WChartUtils.getOAuthAccessToken(code);        if (accessToken == null) {            return null;        }        String token = accessToken.getAccess_token();        String openid = accessToken.getOpenid();        String url = OAUTH_WCHAT_USER_URL.replace("ACCESS_TOKEN", token).replace("OPENID", openid);        String result = HttpsRequest.sendGet(url);        JSONObject jsonObject = JSONObject.parseObject(result);        openid = jsonObject.getString("openid");        if(openid == null){            String errorCode = jsonObject.getString("errcode");            String errorMsg = jsonObject.getString("errmsg");            System.out.println(jsonObject.toString());            log.error("获取access_token失败:错误代码：" + errorCode + "错误信息：" + errorMsg);            return null;        }        WChartUser user = JSONObject.parseObject(result, WChartUser.class);        return user;    }       public static String getOAuthLoginUrl(String redirectUrl, String scope){        return OAUTH_LOGIN_URL.replace("APPID", APPID).replace("REDIRECT_URI", redirectUrl)                .replace("SCOPE", scope);    }     public static void main(String []args) throws Exception{        //WChartUtils.getOAuthUserInfo("123");//      String result = "{ \"access_token\":\"ACCESS_TOKEN\", \"expires_in\":7200, \"refresh_token\":\"REFRESH_TOKEN\", \"openid\":\"OPENID\", \"scope\":\"SCOPE\" }";//      System.out.println(result);//      OAuthAccessToken accessToken = JSONObject.parseObject(result, OAuthAccessToken.class);//      System.out.println(accessToken.getOpenid());//      System.out.println(accessToken.getAccess_token());        System.out.println(WChartUtils.getAccessToken());    }   }
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