提醒：为方便审核通过，建议在网站明细位置放置QQ按钮，先做好相关的页面跳转，逻辑可以先不写，再提交审核
必要条件申请app_ID,app_KEY
第一次申请需要提交开发者相关资料，通过后创建应用，PC端创建网站应用，填写网站地址，回调地址，网站名称，网站备案号，其中回调地址是QQ登录成功后返回的地址，在这个地址我们可以获取用户昵称，openid等，这里我们填写
网站地址/plugin/QqLoginAfter
比如见鬼网的
https://faceghost.com/plugin/QqLoginAfter
审核通过后如下：
下载SDK,地址：http://wiki.connect.qq.com/sdk%E4%B8%8B%E8%BD%BD
这里我们下载SDK for 网站接入 的Java SDK v2.0
下载完成后将解压后的Sdk4J.jar添加到项目lib目录下
项目的classpath新增qqconnectconfig.properties
app_ID = 你的id app_KEY = 你的key redirect_URI = 你的回调地址 scope = get_user_info,add_topic,add_one_blog,add_album,upload_pic,list_album,add_share,check_page_fans,add_t,add_pic_t,del_t,get_repost_list,get_info,get_other_info,get_fanslist,get_idollist,add_idol,del_ido,get_tenpay_addr baseURL = https://graph.qq.com/ getUserInfoURL = https://graph.qq.com/user/get_user_info accessTokenURL = https://graph.qq.com/oauth2.0/token authorizeURL = https://graph.qq.com/oauth2.0/authorize getOpenIDURL = https://graph.qq.com/oauth2.0/me addTopicURL = https://graph.qq.com/shuoshuo/add_topic addBlogURL = https://graph.qq.com/blog/add_one_blog addAlbumURL = https://graph.qq.com/photo/add_album uploadPicURL = https://graph.qq.com/photo/upload_pic listAlbumURL = https://graph.qq.com/photo/list_album addShareURL = https://graph.qq.com/share/add_share checkPageFansURL = https://graph.qq.com/user/check_page_fans addTURL = https://graph.qq.com/t/add_t addPicTURL = https://graph.qq.com/t/add_pic_t delTURL = https://graph.qq.com/t/del_t getWeiboUserInfoURL = https://graph.qq.com/user/get_info getWeiboOtherUserInfoURL = https://graph.qq.com/user/get_other_info getFansListURL = https://graph.qq.com/relation/get_fanslist getIdolsListURL = https://graph.qq.com/relation/get_idollist addIdolURL = https://graph.qq.com/relation/add_idol delIdolURL = https://graph.qq.com/relation/del_idol getTenpayAddrURL = https://graph.qq.com/cft_info/get_tenpay_addr getRepostListURL = https://graph.qq.com/t/get_repost_list version =2.0.0.0
创建2个sevlet,第一个用于跳转到QQ授权页面，一个用于授权成功后回调
参考如下：
<servlet> <servlet-name>qqLogin</servlet-name> <servlet-class>com.faceghost.fg.plugin.QqLogin</servlet-class> </servlet> <servlet> <servlet-name>qqLoginAfter</servlet-name> <servlet-class>com.faceghost.fg.plugin.QqLoginAfter</servlet-class> </servlet> <servlet-mapping> <servlet-name>qqLogin</servlet-name> <url-pattern>/plugin/QqLogin</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>qqLoginAfter</servlet-name> <url-pattern>/plugin/QqLoginAfter</url-pattern> </servlet-mapping>
处理相关逻辑
QqLogin.class 跳转到QQ授权，直接调用jar下的方法即可
参考：
package com.faceghost.fg.plugin;
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.qq.connect.QQConnectException;
import com.qq.connect.oauth.Oauth;
public class QqLogin extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
response.sendRedirect(new Oauth().getAuthorizeURL(request));
} catch (QQConnectException e) {
e.printStackTrace();
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}QqLoginAfter.class 回调地址，处理逻辑，获取用户昵称，openid;
参考:
package com.faceghost.fg.plugin;
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.log4j.Logger;
import com.faceghost.fg.service.statics.LoginPluginStatic;
import com.qq.connect.QQConnectException;
import com.qq.connect.api.OpenID;
import com.qq.connect.api.qzone.UserInfo;
import com.qq.connect.javabeans.AccessToken;
import com.qq.connect.javabeans.qzone.UserInfoBean;
import com.qq.connect.oauth.Oauth;
public class QqLoginAfter extends HttpServlet {
private Logger log = Logger.getLogger(QqLoginAfter.class);
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
try {
AccessToken accessTokenObj = (new Oauth()).getAccessTokenByRequest(request);
String accessToken = null,
openID = null;
if (accessTokenObj.getAccessToken().equals("")) {
response.sendRedirect(basePath);
} else {
accessToken = accessTokenObj.getAccessToken();
OpenID openIDObj = new OpenID(accessToken);
openID = openIDObj.getUserOpenID();
log.info("QQ openId:" + openID);
UserInfo qzoneUserInfo = new UserInfo(accessToken, openID);
UserInfoBean userInfoBean = qzoneUserInfo.getUserInfo();
if (userInfoBean.getRet() == 0) {
try {
log.info("QQ nickname:" + userInfoBean.getNickname());
/**
*
* 这里，就需要你处理自己的逻辑了，首先你已经获取了QQ的openid,这个是跟QQ一一对应的，
*
* 在你的数据库创建一张表，里面保存,网站登录帐号ID,openid ,
*
* 用户在进行使用QQ登录时，根据openid去表中获取帐号ID,
* 如果不存在，跳转到绑定页面，进行保存数据库，然后调用登录逻辑，进行登录。
* 如果存在，在数据查询该openid关联的帐号ID， 然后调用登录逻辑，进行登录。
*
*/
} catch (Exception e) {
e.printStackTrace();
}
}else{
response.sendRedirect(basePath);
}
}
} catch (QQConnectException e) {
}
}
}使用QQ登录
地址：~/plugin/QqLogin , 如：https://faceghost.com/plugin/QqLogin