用JAVA Servlet实现的第三方网站微信扫码登录的Demo,做这个确实很辛苦,很不容易实现,但是还是做出来了,这里把代码贴一下,避免做微信登录开发的朋友们少走弯路
package com.wxlogin.common;
import java.net.URLEncoder;
public class ConstantManager {
/** 返回状态失败 **/
public static final String ERROR_STATUS = “999”;
/** 返回状态成功 **/
public static final String SUCCESS_STATUS = "000";
/** 返回信息失败 **/
public static final String ERROR_MESSAGE = "FAILED";
/** 返回状态等待 **/
public static final String IN_PROGRESS = "666";
/**权限不足**/
public static final String OAUTH_STATUS = "777";
/** 返回信息成功 **/
public static final String SUCCESS_MESSAGE = "SUCCESS";
public static final String RETURNMSG = "returnMsg";
public static final String RETURNSTATUS = "returnStatus";
public static final String RETURNDATA = "returnData";
//用户详细信息
public static final String OAUTH_USER_INFO="snsapi_userinfo";
public static final String OAUTH_QQ_USER_INFO="get_user_info";
//静默授权
public static final String OAUTH_USER_BASE="snsapi_base";
public static final String GRANT_TYPE="authorization_code";
//网页授权作用域
public static final String OAUTH_WEB_LOGIN="snsapi_login";
public static final String PC="pc";
public static final String WAP="wap";
/*************************************************v2******************************************************/
/**
* PC授权回调
*/
public static final String WEBCALLBACKURL = URLEncoder.encode("http://www.sucaiku.xin/callback/wxCallback.do");
}
package com.wxlogin.common;
import javax.annotation.Resource;
import org.apache.commons.lang3.StringUtils;
import com.wxlogin.common.ConstantManager;;
/**
*
public class UrlConfig {
/**
* 微信全局调用accessToken
*
* @return
*/
public String getGlobalAccessTokenUrl(String wxMpAppId,String wxMpAppSecrte) {
return "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + wxMpAppId + "&secret="+ wxMpAppSecrte;
}
/**
* 微信服务器IP列表
*
* @return
*/
public String getWeiXinIpUrl(String wxMpAppId,String wxMpAppSecrte,String appId) {
//return "https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token=" + weiXinUtil.getGlobalAccessToken(wxMpAppId, wxMpAppSecrte,appId);
return null;
}
/**
* 微信授权
*/
public String getOauth(String type,String redirectUrl,String param,String wxMpAppId) {
return "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + wxMpAppId + "&redirect_uri="+ redirectUrl + "&response_type=code&scope=" + type + "&state=" + param + "#wechat_redirect";
}
/**
* 网页授权
*/
public String getOauthAccessToken(String code,String wxMpAppId,String wxMpAppSecret) {
return "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + wxMpAppId + "&secret=" + wxMpAppSecret+ "&code=" + code + "&grant_type=" + ConstantManager.GRANT_TYPE;
}
/**
* 刷新网页授权accessToken
*/
public String refreshAccessToken(String refreshToken,String wxMpAppId) {
return "https://api.weixin.qq.com/sns/oauth2/refresh_token?appid=" + wxMpAppId+ "&grant_type=refresh_token&refresh_token=" + refreshToken.trim();
}
/**
* 微信用户详细信息 accessToken:网页授权accessToken openId:用户openid 通过授权获取
*/
public String getUserInfo(String accessToken, String openId) {
return "https://api.weixin.qq.com/sns/userinfo?access_token=" + accessToken.trim() + "&openid=" + openId.trim()+ "&lang=zh_CN";
}
/**
* 获取用户详细信息 通过全局accessToken获取
*/
public String getUserInfoByGlobalToken(String globalToken, String openId) {
return "https://api.weixin.qq.com/cgi-bin/user/info?access_token=" + globalToken + "&openid=" + openId+ "&lang=zh_CN ";
}
/**
* 长短连接转换
*/
public String getShortUrl(String accessToken) {
return "https://api.weixin.qq.com/cgi-bin/shorturl?access_token=" + accessToken;
}
/**
* 获取模版列表
*/
public String getModelList(String accessToken) {
return "https://api.weixin.qq.com/cgi-bin/template/get_all_private_template?access_token=" + accessToken;
}
/**
* 发送模版消息
*/
public String sendModelMessage(String accessToken) {
return "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=" + accessToken;
}
/**
* 获取模版设置的行业信息
*/
public String getModelIndustry(String accessToken) {
return "https://api.weixin.qq.com/cgi-bin/template/get_industry?access_token=" + accessToken;
}
/**
* 获取jsapi签名
*/
public String getJsApiConfig(String accessToken){
return "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+accessToken+"&type=jsapi";
}
/**
* 获取关注的用户列表
*/
public String getUserList(String accessToken,String openId){
if(StringUtils.isBlank(openId)){
return "https://api.weixin.qq.com/cgi-bin/user/get?access_token="+accessToken;
}else{
return "https://api.weixin.qq.com/cgi-bin/user/get?access_token="+accessToken+"&next_openid="+openId;
}
}
/**
* 创建二维码ticket
*/
public String createQrcodeTicket(String accessToken){
return " https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token="+accessToken;
}
/**
* 通过ticket换取二维码
*/
public String showQrcode(String ticket){
return "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket="+ticket;
}
/**
* 微信web登录url
*/
public String getWxWebLoginUrl(String type,String redirectUrl,String param,String wxOpenAppId){
return "https://open.weixin.qq.com/connect/qrconnect?appid="+wxOpenAppId+"&redirect_uri="+redirectUrl+"&response_type=code&scope="+type+"&state="+param+"#wechat_redirect";
}
/**
* 微信卡包ticket
*/
public String getTicketUrl(String accessToken){
return "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+accessToken+"&type=wx_card";
}
/**
* 添加客服帐号
* @description
*
* @author tjz
*
* @param accessToken
* @return
*
* @time 2018年2月2日 上午9:54:20
*/
public String addKfAccountUrl(String accessToken){
return "https://api.weixin.qq.com/customservice/kfaccount/add?access_token=";
}
/**
* 获取所有客服帐号
*/
public String getKfListUrl(String accessToken){
return "https://api.weixin.qq.com/cgi-bin/customservice/getkflist?access_token="+accessToken;
}
/**
* 发送客服消息
*/
public String getSendMessageUrl(String accessToken){
return "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token="+accessToken;
}
/**
* 获取QQ登录Url
*/
public String getQqLoginUrl(String appId,String callbackUrl,String state,String scope){
return "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id="+appId="+callbackUrl+"&state="+state+"&scope="+scope;
}
/**
* 获取PC版QQ登录accessToken
*/
public String getQqLoginAccessTokenByPcUrl(String qqAppId,String qqAppKey,String code,String redirectUri){
return "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id="+qqAppId+"&client_secret="+qqAppKey+"&code="+code+"&redirect_uri="+redirectUri;
}
/**
* 获取WAP版QQ登录accessToken
*/
public String getQqLoginAccessTokenByWapUrl(String qqAppId,String qqAppKey,String code,String redirectUri){
return "https://graph.z.qq.com/moc2/token?grant_type=authorization_code="+qqAppId+"&client_secret="+qqAppKey+"&code="+code+"&redirect_uri="+redirectUri;
}
/**
* 刷新pc授权accessToken
*/
public String refreshPcQqAccessTokenUrl(String qqAppId,String qqAppKey,String refreshToken){
return "https://graph.qq.com/oauth2.0/token?grant_type=refresh_token&client_id="+qqAppId+"&client_secret="+qqAppKey+"&refresh_token="+refreshToken;
}
/**
* 刷新wap授权accessToken
*/
public String refreshWapQqAccessTokenUrl(String qqAppId,String qqAppKey,String refreshToken){
return "https://graph.z.qq.com/moc2/token?grant_type=refresh_token&client_id="+qqAppId+"&client_secret="+qqAppKey+"&refresh_token="+refreshToken;
}
/**
* 获取PC qq用户openId
*/
public String getPcQqUserInfoByAccessTokenUrl(String accessToken){
return "https://graph.qq.com/oauth2.0/me?token="+accessToken;
}
/**
* 获取wap qq用户openId
*/
public String getWapQqUserInfoByAccessTokenUrl(String accessToken){
return "https://graph.z.qq.com/moc2/me?access_token="+accessToken;
}
/**
* 获取QQ用户详细信息
*/
public String getQqUserInfoByAccessTokenAndOpenId(String appId,String accessToken,String openId){
return "https://graph.qq.com/user/get_user_info?access_token="+accessToken+"&oauth_consumer_key="+appId+"&openid="+openId;
}
}
package com.wxlogin.config;
public class WeiXinConfig {
public static String wxOpenAppId = "wx92255d9573d";
public static String wxOpenappSecret = "97d500770006b4b3exh4dh554387e6c";
}
package com.wxlogin.entity;
import java.io.Serializable;
/**
*/
public class AccessToken implements Serializable {
private static final long serialVersionUID = -3443292138870183363L;
private String access_token;
private String expires_in;
private String refresh_token;
private String openid;
private String scope;
public String getAccess_token() {
return access_token;
}
public void setAccess_token(String access_token) {
this.access_token = access_token;
}
public String getExpires_in() {
return expires_in;
}
public void setExpires_in(String expires_in) {
this.expires_in = expires_in;
}
public String getRefresh_token() {
return refresh_token;
}
public void setRefresh_token(String refresh_token) {
this.refresh_token = refresh_token;
}
public String getOpenid() {
return openid;
}
public void setOpenid(String openid) {
this.openid = openid;
}
public String getScope() {
return scope;
}
public void setScope(String scope) {
this.scope = scope;
}
}
package com.wxlogin.entity;
import java.io.Serializable;
import java.util.List;
/**
*
@description 微信用户对象
@author tjz
@time 2017年3月12日
*/
public class UserEntity implements Serializable {
private static final long serialVersionUID = -920969954069444740L;
private Integer subscribe;// 用户是否订阅该公众号标识,值为0时,代表此用户没有关注该公众号,拉取不到其余信息。
private String openid;// 用户的标识,对当前公众号唯一
private String nickname;// 用户的昵称
private Integer sex;// 用户的性别,值为1时是男性,值为2时是女性,值为0时是未知
private String city;// 用户所在城市
private String country;// 用户所在国家
private String province;// 用户所在省份
private String language;// 用户的语言,简体中文为zh_CN
private String headimgurl;// 用户头像,最后一个数值代表正方形头像大小(有0、46、64、96、132数值可选,0代表640*640正方形头像),用户没有头像时该项为空。若用户更换头像,原有头像URL将失效。
private String subscribe_time;// 用户关注时间,为时间戳。如果用户曾多次关注,则取最后关注时间
private String unionid;// 只有在用户将公众号绑定到微信开放平台帐号后,才会出现该字段。
private String remark;// 公众号运营者对粉丝的备注,公众号运营者可在微信公众平台用户管理界面对粉丝添加备注
private Integer groupid;// 用户所在的分组ID(兼容旧的用户分组接口)
private List tagid_list;// 用户被打上的标签ID列表
public Integer getSubscribe() {
return subscribe;
}
public void setSubscribe(Integer subscribe) {
this.subscribe = subscribe;
}
public String getOpenid() {
return openid;
}
public void setOpenid(String openid) {
this.openid = openid;
}
public String getNickname() {
return nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
public Integer getSex() {
return sex;
}
public void setSex(Integer sex) {
this.sex = sex;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
public String getProvince() {
return province;
}
public void setProvince(String province) {
this.province = province;
}
public String getLanguage() {
return language;
}
public void setLanguage(String language) {
this.language = language;
}
public String getHeadimgurl() {
return headimgurl;
}
public void setHeadimgurl(String headimgurl) {
this.headimgurl = headimgurl;
}
public String getSubscribe_time() {
return subscribe_time;
}
public void setSubscribe_time(String subscribe_time) {
this.subscribe_time = subscribe_time;
}
public String getUnionid() {
return unionid;
}
public void setUnionid(String unionid) {
this.unionid = unionid;
}
public String getRemark() {
return remark;
}
public void setRemark(String remark) {
this.remark = remark;
}
public Integer getGroupid() {
return groupid;
}
public void setGroupid(Integer groupid) {
this.groupid = groupid;
}
public List getTagid_list() {
return tagid_list;
}
public void setTagid_list(List tagid_list) {
this.tagid_list = tagid_list;
}
}
package com.wxlogin.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import com.alibaba.fastjson.JSONObject;
import com.wxlogin.common.UrlConfig;
import com.wxlogin.config.WeiXinConfig;
import com.wxlogin.entity.AccessToken;
import com.wxlogin.entity.UserEntity;
import com.wxlogin.util.HttpUtil;
/**
微信PC扫码登录回调
@description
@author tjz
@time 2018年9月6日 下午3:48:08
*/
public class CallbackServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private UrlConfig urlConfig = new UrlConfig();
public CallbackServlet() {
super();
}
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String code = request.getParameter(“code”);
String state = request.getParameter(“state”);
try {
String result = HttpUtil.doGet(urlConfig.getOauthAccessToken(code, WeiXinConfig.wxOpenAppId, WeiXinConfig.wxOpenappSecret));
JSONObject jsonObject = JSONObject.parseObject(result);
Integer errcode = jsonObject.getInteger(“errcode”);
if (errcode != null) {
System.out.println(“微信回调失败,授权终止!”);
return;
}
AccessToken accessToken = JSONObject.toJavaObject(jsonObject, AccessToken.class);
if (accessToken == null) {
System.out.println(“微信回调处理失败!获取accessToken时无返回结果!”);
return;
}
JSONObject returnJson = getUserInfoByAccessToken(accessToken.getAccess_token(), accessToken.getOpenid());
System.out.println("微信用户信息获取完毕*****************************************");
System.out.println(returnJson.toJSONString());
//这里获取到用户信息 就打印出来了 其他你自己实现
} catch (Exception e) {
e.printStackTrace();
}
}
/**
}
package com.wxlogin.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.wxlogin.common.ConstantManager;
import com.wxlogin.common.UrlConfig;
import com.wxlogin.config.WeiXinConfig;
public class WxLoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private UrlConfig urlConfig=new UrlConfig();
public WxLoginServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* 发起微信登录
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String url = urlConfig.getWxWebLoginUrl(ConstantManager.OAUTH_WEB_LOGIN, ConstantManager.WEBCALLBACKURL, null,WeiXinConfig.wxOpenAppId);
response.sendRedirect(url);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}
package com.wxlogin.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;
import java.net.URLConnection;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class HttpUtil {
private static final Logger logger = LogManager.getLogger(HttpUtil.class);
private static String charset = "utf-8";
private Integer connectTimeout = null;
private Integer socketTimeout = null;
private static String proxyHost = null;
private static Integer proxyPort = null;
private static HttpClient httpClient = null;
private static GetMethod getMethod = null;
private static PostMethod postMethod = null;
/**
* POST请求 json
* @param url
* @param params
* @return
*/
public static String doPostJson(String url, String params,boolean header) {
try {
HttpClient httpClient = new HttpClient();
httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(5000);
httpClient.getParams().setBooleanParameter("http.protocol.expect-continue", false);
PostMethod postMethod = new PostMethod(url);
if(header){
postMethod.setRequestHeader("Content-Type","application/json");
postMethod.setRequestHeader("Authorization","Basic YWRtaW46YWRtaW4=");
}
if(params != null && !params.trim().equals("")) {
RequestEntity requestEntity = new StringRequestEntity(params,"application/json","UTF-8");
postMethod.setRequestEntity(requestEntity);
}
postMethod.releaseConnection();
httpClient.executeMethod(postMethod);
BufferedReader reader = new BufferedReader(new InputStreamReader(postMethod.getResponseBodyAsStream()));
StringBuffer stringBuffer = new StringBuffer();
String str = "";
while((str = reader.readLine())!=null){
stringBuffer.append(str);
}
logger.info("发送POST_JSON请求");
logger.info("URL:"+url);
logger.info("参数:"+params);
logger.info("响应结果:"+stringBuffer.toString());
return stringBuffer.toString();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 发送Get请求
*
* @param url
* @return
* @throws Exception
*/
public static String doGet(String url) throws Exception {
URL localURL = new URL(url);
URLConnection connection = openConnection(localURL);
HttpURLConnection httpURLConnection = (HttpURLConnection) connection;
httpURLConnection.setRequestProperty("Accept-Charset", charset);
httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
InputStream inputStream = null;
InputStreamReader inputStreamReader = null;
BufferedReader reader = null;
StringBuffer resultBuffer = new StringBuffer();
String tempLine = null;
if (httpURLConnection.getResponseCode() >= 300) {
throw new Exception("HTTP Request is not success, Response code is " + httpURLConnection.getResponseCode());
}
try {
inputStream = httpURLConnection.getInputStream();
inputStreamReader = new InputStreamReader(inputStream, "UTF-8");
reader = new BufferedReader(inputStreamReader);
while ((tempLine = reader.readLine()) != null) {
resultBuffer.append(tempLine);
}
} finally {
if (reader != null) {
reader.close();
}
if (inputStreamReader != null) {
inputStreamReader.close();
}
if (inputStream != null) {
inputStream.close();
}
}
logger.info("发送GET请求");
logger.info("URL:"+url);
logger.info("响应结果:"+resultBuffer.toString());
return resultBuffer.toString();
}
/**
* 发送Post请求
*
* @param url
* @param parameterMap
* @return
* @throws Exception
*/
public static String doPost(String url, Map parameterMap) throws Exception {
StringBuffer parameterBuffer = new StringBuffer();
if (parameterMap != null) {
Iterator iterator = parameterMap.keySet().iterator();
String key = null;
String value = null;
while (iterator.hasNext()) {
key = (String) iterator.next();
if (parameterMap.get(key) != null) {
value = (String) parameterMap.get(key);
} else {
value = "";
}
parameterBuffer.append(key).append("=").append(value);
if (iterator.hasNext()) {
parameterBuffer.append("&");
}
}
}
URL localURL = new URL(url);
URLConnection connection = openConnection(localURL);
HttpURLConnection httpURLConnection = (HttpURLConnection) connection;
httpURLConnection.setDoOutput(true);
httpURLConnection.setRequestMethod("POST");
httpURLConnection.setRequestProperty("Accept-Charset", charset);
httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
httpURLConnection.setRequestProperty("Content-Length", String.valueOf(parameterBuffer.length()));
OutputStream outputStream = null;
OutputStreamWriter outputStreamWriter = null;
InputStream inputStream = null;
InputStreamReader inputStreamReader = null;
BufferedReader reader = null;
StringBuffer resultBuffer = new StringBuffer();
String tempLine = null;
try {
outputStream = httpURLConnection.getOutputStream();
outputStreamWriter = new OutputStreamWriter(outputStream);
outputStreamWriter.write(parameterBuffer.toString());
outputStreamWriter.flush();
if (httpURLConnection.getResponseCode() >= 300) {
throw new Exception(
"HTTP Request is not success, Response code is " + httpURLConnection.getResponseCode());
}
inputStream = httpURLConnection.getInputStream();
inputStreamReader = new InputStreamReader(inputStream);
reader = new BufferedReader(inputStreamReader);
while ((tempLine = reader.readLine()) != null) {
resultBuffer.append(tempLine);
}
} finally {
if (outputStreamWriter != null) {
outputStreamWriter.close();
}
if (outputStream != null) {
outputStream.close();
}
if (reader != null) {
reader.close();
}
if (inputStreamReader != null) {
inputStreamReader.close();
}
if (inputStream != null) {
inputStream.close();
}
}
logger.info("发送POST请求");
logger.info("URL:"+url);
logger.info("参数:"+parameterBuffer.toString());
logger.info("响应结果:"+resultBuffer.toString());
return resultBuffer.toString();
}
private static URLConnection openConnection(URL localURL) throws IOException {
URLConnection connection;
if (proxyHost != null && proxyPort != null) {
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(proxyHost, proxyPort));
connection = localURL.openConnection(proxy);
} else {
connection = localURL.openConnection();
}
return connection;
}
/**
* Render request according setting
*
* @param request
*/
private void renderRequest(URLConnection connection) {
if (connectTimeout != null) {
connection.setConnectTimeout(connectTimeout);
}
if (socketTimeout != null) {
connection.setReadTimeout(socketTimeout);
}
}
/*
* Getter & Setter
*/
public Integer getConnectTimeout() {
return connectTimeout;
}
public void setConnectTimeout(Integer connectTimeout) {
this.connectTimeout = connectTimeout;
}
public Integer getSocketTimeout() {
return socketTimeout;
}
public void setSocketTimeout(Integer socketTimeout) {
this.socketTimeout = socketTimeout;
}
public String getProxyHost() {
return proxyHost;
}
public void setProxyHost(String proxyHost) {
this.proxyHost = proxyHost;
}
public Integer getProxyPort() {
return proxyPort;
}
public void setProxyPort(Integer proxyPort) {
this.proxyPort = proxyPort;
}
public String getCharset() {
return charset;
}
public void setCharset(String charset) {
this.charset = charset;
}
}
微信开放平台配置
com.wxlogin.config.WeiXinConfig
com.wxlogin.common.ConstantManager 变量 WEBCALLBACKURL 为回调地址 修改成你自己的域名
如:你的域名/callback/wxCallback.do
你的域名/doWxLogin.do 发起微信登录
本地测试的话 可以改host文件 把域名指向本机