微信授权获取用户列表

微信授权api：https://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html

login页面：

$("#wx").on("click",function(){

    var url = "http://xm.ysyisu.cn/wxlogin";

var json = "{%22lon%22:"+lon+",%22lat%22:"+lat+"}";

    var str = "https://open.weixin.qq.com/connect/oauth2/authorize?"+

    "appid=wx87019669d6f33b43&"+

    "redirect_uri="+encodeURI(url)+"&"+

    "response_type=code&"+

    "scope=snsapi_userinfo&"+

    "state="+json+

    "#wechat_redirect";

    window.location.href=str;

    });

通过code 获取access_token

/**

     * 获取请求用户信息的access_token

     *

     * @param code

     * @return

     */

    public static Map<String, String> getUserInfoAccessToken(String code) {

        JsonObject object = null;

        Map<String, String> data = new HashMap<String, String>();

        try {

            String url = String.format("https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code",

                                       "wx87019669d6f33b43", "591913436493c1c71b9a5cd90232c5dc", code);

            

            

            DefaultHttpClient httpClient = new DefaultHttpClient();

            HttpGet httpGet = new HttpGet(url);

            HttpResponse httpResponse = httpClient.execute(httpGet);

            HttpEntity httpEntity = httpResponse.getEntity();

            String tokens = EntityUtils.toString(httpEntity, "utf-8");

            //Gson token_gson = new Gson();

            //object = token_gson.fromJson(tokens, JsonObject.class);

            

            JSONObject result = new JSONObject(tokens); //Convert String to JSON Object

            

            

            data.put("openid", result.get("openid").toString().replaceAll("\"", ""));

            data.put("access_token", result.get("access_token").toString().replaceAll("\"", ""));

        } catch (Exception ex) {

       

        }

        return data;

    }

/**

     * 获取用户信息

     *

     * @param accessToken

     * @param openId

     * @return

     */

    public static Map<String, String> getUserInfo(String accessToken, String openId) {

        Map<String, String> data = new HashMap();

        String url = "https://api.weixin.qq.com/sns/userinfo?
ac3a
access_token=" + accessToken + "&openid=" + openId + "&lang=zh_CN";

        JsonObject userInfo = null;

        try {

            DefaultHttpClient httpClient = new DefaultHttpClient();

            HttpGet httpGet = new HttpGet(url);

            HttpResponse httpResponse = httpClient.execute(httpGet);

            HttpEntity httpEntity = httpResponse.getEntity();

            String response = EntityUtils.toString(httpEntity, "utf-8");

            //Gson token_gson = new Gson();

            //userInfo = token_gson.fromJson(response, JsonObject.class);

            

            JSONObject result = new JSONObject(response); //Convert String to JSON Object

            data.put("openid", result.get("openid").toString().replaceAll("\"", ""));

            data.put("nickname", result.get("nickname").toString().replaceAll("\"", ""));

            data.put("city", result.get("city").toString().replaceAll("\"", ""));

            data.put("province", result.get("province").toString().replaceAll("\"", ""));

            data.put("country", result.get("country").toString().replaceAll("\"", ""));

            data.put("headimgurl", result.get("headimgurl").toString().replaceAll("\"", ""));

            

            

        } catch (Exception ex) {

        }

        return data;

    }