微信浏览器调起微信登录

1.主要类

1.NetUtil类

package com.Ipwx;import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;/*** Created by Song on 2016/11/28.* 基于HttpClient提供网络访问工具*/
public final class NetUtil {public static CloseableHttpClient httpClient = HttpClientBuilder.create().build();/*** get请求获取String类型数据* @param url 请求链接* @return*/public static String get(String url){StringBuffer sb = new StringBuffer();HttpGet httpGet = new HttpGet(url);try {HttpResponse response = httpClient.execute(httpGet);           //1HttpEntity entity = response.getEntity();InputStreamReader reader = new InputStreamReader(entity.getContent(),"utf-8");char [] charbufer;while (0<reader.read(charbufer=new char[10])){sb.append(charbufer);}}catch (IOException e){//1e.printStackTrace();}finally {httpGet.releaseConnection();}return sb.toString();}/*** post方式请求数据* @param url 请求链接* @param data post数据体* @return*/@SuppressWarnings("unchecked")public static String post(String url, Map<String,String> data){StringBuffer sb = new StringBuffer();HttpPost httpPost = new HttpPost(url);List<NameValuePair> valuePairs = new ArrayList<NameValuePair>();if(null != data) {for (String key : data.keySet()) {valuePairs.addAll((Collection<? extends NameValuePair>) new BasicNameValuePair(key, data.get(key)));}}try {httpPost.setEntity(new UrlEncodedFormEntity((List<? extends org.apache.http.NameValuePair>) valuePairs));HttpResponse response = httpClient.execute(httpPost);HttpEntity httpEntity = response.getEntity();BufferedInputStream bis = new BufferedInputStream(httpEntity.getContent());byte [] buffer;while (0<bis.read(buffer=new byte[128])){sb.append(new String(buffer,"utf-8"));}}catch (UnsupportedEncodingException e){//数据格式有误e.printStackTrace();}catch (IOException e){//请求出错e.printStackTrace();}finally {httpPost.releaseConnection();}return sb.toString();}}

2.Oauth2Token类

package com.Ipwx;/*
*登录配置
*/
public class Oauth2Token {// 网页授权接口调用凭证private String accessToken;// 凭证有效时长private int expiresIn;// 用于刷新凭证private String refreshToken;// 用户标识private String openId;// 用户授权作用域private String scope;public String getAccessToken() {return accessToken;}public void setAccessToken(String accessToken) {this.accessToken = accessToken;}public int getExpiresIn() {return expiresIn;}public void setExpiresIn(int expiresIn) {this.expiresIn = expiresIn;}public String getRefreshToken() {return refreshToken;}public void setRefreshToken(String refreshToken) {this.refreshToken = refreshToken;}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;}
}

3.R 类

package com.Ipwx;import java.util.HashMap;
import java.util.Map;/*** 返回数据** @author xlf* @email xlfbe696@gmail.com* @date 2017年4月19日 上午11:58:56*/
public class R extends HashMap<String, Object> {private static final long serialVersionUID = 1L;public static final String SUCCESS = "success";public static final String EXCEPTION = "exception";public static final Integer SUCCESSCODE = 0;public static final Integer EXCEPTIONCODE = 500;public R() {put("errCode", 0);put("msg", SUCCESS);}public R(int code, String msg){put("errCode", code);put("msg", msg);}public static R error() {return error(500, "未知异常，请联系管理员");}public static R error(String msg) {return error(500, msg);}public static R error(int code, String msg) {R r = new R();r.put("errCode", code);r.put("msg", msg);return r;}public static R ok(String msg) {R r = new R();r.put("msg", msg);return r;}public static R ok(Map<String, Object> map) {R r = new R();r.putAll(map);return r;}public static R ok() {return new R();}public R put(String key, Object value) {super.put(key, value);return this;}
}

4. SNSUserInfo 类

package com.Ipwx;import java.util.List;/*** 类名: SNSUserInfo * 描述: 通过网页授权获取的用户信息 */
public class SNSUserInfo {// 用户标识private String openId;// 用户昵称private String nickname;// 性别（1是男性，2是女性，0是未知）private int sex;// 国家private String country;// 省份private String province;// 城市private String city;// 用户头像链接private String headImgUrl;// 用户特权信息private List<String> privilegeList;private String unionid;public String getUnionid() {return unionid;}public void setUnionid(String unionid) {this.unionid = unionid;}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 int getSex() {return sex;}public void setSex(int sex) {this.sex = sex;}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 getCity() {return city;}public void setCity(String city) {this.city = city;}public String getHeadImgUrl() {return headImgUrl;}public void setHeadImgUrl(String headImgUrl) {this.headImgUrl = headImgUrl;}public List<String> getPrivilegeList() {return privilegeList;}public void setPrivilegeList(List<String> privilegeList) {this.privilegeList = privilegeList;}
}

5. WxController 方法

package com.Ipwx;import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Formatter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;import com.manage.buser.pojo.Buser;
import com.manage.buser.service.IBuserService;
import com.util.Time;
import org.apache.http.client.utils.URLEncodedUtils;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.util.IOUtils;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
@RestController
@RequestMapping("/wx")
@ResponseBody
public class WxController {@ResourceIBuserService buserService;private static  Logger log = LoggerFactory.getLogger(WxController.class);/*** 向指定URL发送GET方法的请求*
//     * @param url
//     *            发送请求的URL
//     * @param param*            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。* @return URL 所代表远程资源的响应结果** 用户同意授权，获取code*/@RequestMapping("/authorize")@ResponseBody
//    @IgnoreTokenpublic static R authorize() {String appid = "";//String uri ="wftest.zzff.net/wx/weixinLogin";//微信登录回调的主要方法地址String uri = urlEncodeUTF8("");String result = "";BufferedReader in = null;try {String urlNameString = "https://open.weixin.qq.com/connect/oauth2/authorize?appid="+appid+"&redirect_uri="+uri+"&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect";URL realUrl = new URL(urlNameString);// 打开和URL之间的连接URLConnection connection = realUrl.openConnection();// 设置通用的请求属性connection.setRequestProperty("accept", "*/*");connection.setRequestProperty("connection", "Keep-Alive");connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");// 建立实际的连接connection.connect();// 获取所有响应头字段Map<String, List<String>> map = connection.getHeaderFields();// 遍历所有的响应头字段for (String key : map.keySet()) {System.out.println(key + "--->" + map.get(key));}// 定义 BufferedReader输入流来读取URL的响应in = new BufferedReader(new InputStreamReader(connection.getInputStream()));String line =null;while ((line = in.readLine()) != null) {result += line;}/*  com.alibaba.fastjson.JSONObject jsonObj= FastJSONUtils.getJSONObject(result);String access_token = jsonObj.getString("access_token");long expires_in = Long.valueOf(jsonObj.getString("expires_in"));*/} catch (Exception e) {System.out.println("发送GET请求出现异常！" + e);e.printStackTrace();}// 使用finally块来关闭输入流finally {try {if (in != null) {in.close();}} catch (Exception e2) {e2.printStackTrace();}}return  R.ok(result);}@RequestMapping("/weixinLogin")@ResponseBody
//    @IgnoreToken
//    @IgnoreSignpublic  ModelAndView weixinLogin(HttpServletRequest request,String state, HttpServletResponse response, HttpSession session) throws Exception {// 用户同意授权后，能获取到codeMap<String, String[]> params = request.getParameterMap();//针对get获取get参数String[] codes = params.get("code");//拿到code的值String code = codes[0];//code
//        String[] states = params.get("state");
//        String state = states[0];//stateSystem.out.println("****************code:"+code);// 用户同意授权if (!"authdeny".equals(code)) {// 获取网页授权access_token//参数按需求更改(第一个参数为appid,第二个为appsecret)Oauth2Token oauth2Token = getOauth2AccessToken("", code);System.out.println("***********************************oauth2Token信息："+oauth2Token.toString());// 网页授权接口访问凭证String accessToken = oauth2Token.getAccessToken();// 用户标识String openId = oauth2Token.getOpenId();// 获取用户信息SNSUserInfo snsUserInfo = getSNSUserInfo(accessToken, openId);System.out.println("***********************************用户信息unionId："+snsUserInfo.getUnionid()+"***:"+snsUserInfo.getNickname());System.out.println(state);// 设置要传递的参数//具体业务startBuser buser1 = new Buser();buser1.setBuser1(snsUserInfo.getUnionid());List<Buser> search = buserService.search(buser1);if (search.size()>0){session.setAttribute("buserLogin", search.get(0));Buser buser = search.get(0);buser.setBuserNickname(snsUserInfo.getNickname());buser.setBuserImage(snsUserInfo.getHeadImgUrl());String province = snsUserInfo.getProvince();String city = snsUserInfo.getCity();String country = snsUserInfo.getCountry();buser.setBuserAddress(country + province + city);buserService.updateSelective(buser,session);return new  ModelAndView("forward:/"+state);}else {Buser buser = new Buser();String province = snsUserInfo.getProvince();String city = snsUserInfo.getCity();String country = snsUserInfo.getCountry();buser.setBuserNickname(snsUserInfo.getNickname());buser.setBuser1(snsUserInfo.getUnionid());buser.setBuserImage(snsUserInfo.getHeadImgUrl());buser.setBuserSex(snsUserInfo.getSex());buser.setBuserAddress(snsUserInfo.getCity());buser.setBuser4(snsUserInfo.getOpenId());buser.setBuserAddress(country + province + city);buser.setBuserLogin(2);buser.setBuserTime(Time.Nowtime());//生成一个用户编号buser.setBuserNumber(com.util.UUID.getOrderIdByUUId());boolean insert = buserService.insert(buser);if (insert){session.setAttribute("buserLogin", buser);ModelAndView modelAndView = new ModelAndView("/pages/registered/entrance");modelAndView.addObject("info",state);return modelAndView;}}//具体业务end}ModelAndView modelAndView = new ModelAndView("/pages/registered/entrance");modelAndView.addObject("info",state);return modelAndView;}/*** 获取网页授权凭证** @param appId 公众账号的唯一标识* @param appSecret 公众账号的密钥* @param code* @return WeixinAouth2Token*/public static Oauth2Token getOauth2AccessToken(String appId, String appSecret, String code) {Oauth2Token wat = null;// 拼接请求地址String requestUrl = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code";requestUrl = requestUrl.replace("APPID", appId);requestUrl = requestUrl.replace("SECRET", appSecret);requestUrl = requestUrl.replace("CODE", code);// 获取网页授权凭证com.alibaba.fastjson.JSONObject jsonObject = JSON.parseObject(NetUtil.get(requestUrl));if (null != jsonObject) {try {wat = new Oauth2Token();wat.setAccessToken(jsonObject.getString("access_token"));wat.setExpiresIn(jsonObject.getInteger("expires_in"));wat.setRefreshToken(jsonObject.getString("refresh_token"));wat.setOpenId(jsonObject.getString("openid"));wat.setScope(jsonObject.getString("scope"));} catch (Exception e) {wat = null;int errorCode = jsonObject.getInteger("errcode");String errorMsg = jsonObject.getString("errmsg");log.error("获取网页授权凭证失败 errcode:{} errmsg:{}", errorCode, errorMsg);}}return wat;}/*** 通过网页授权获取用户信息** @param accessToken 网页授权接口调用凭证* @param openId 用户标识* @return SNSUserInfo*/public static SNSUserInfo getSNSUserInfo(String accessToken, String openId) {SNSUserInfo snsUserInfo = null;// 拼接请求地址String requestUrl = "https://api.weixin.qq.com/sns/userinfo?access_token=ACCESS_TOKEN&openid=OPENID";requestUrl = requestUrl.replace("ACCESS_TOKEN", accessToken).replace("OPENID", openId);// 通过网页授权获取用户信息com.alibaba.fastjson.JSONObject jsonObject =  JSON.parseObject(NetUtil.get(requestUrl));if (null != jsonObject) {try {snsUserInfo = new SNSUserInfo();// 用户的标识snsUserInfo.setOpenId(jsonObject.getString("openid"));// 昵称snsUserInfo.setNickname(jsonObject.getString("nickname"));// 性别（1是男性，2是女性，0是未知）snsUserInfo.setSex(jsonObject.getInteger("sex"));// 用户所在国家snsUserInfo.setCountry(jsonObject.getString("country"));// 用户所在省份snsUserInfo.setProvince(jsonObject.getString("province"));// 用户所在城市snsUserInfo.setCity(jsonObject.getString("city"));// 用户头像snsUserInfo.setHeadImgUrl(jsonObject.getString("headimgurl"));// 用户特权信息List<String> list = JSON.parseArray(jsonObject.getString("privilege"),String.class);snsUserInfo.setPrivilegeList(list);//与开放平台共用的唯一标识，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。snsUserInfo.setUnionid(jsonObject.getString("unionid"));} catch (Exception e) {snsUserInfo = null;int errorCode = jsonObject.getInteger("errcode");String errorMsg = jsonObject.getString("errmsg");log.error("获取用户信息失败 errcode:{} errmsg:{}", errorCode, errorMsg);}}return snsUserInfo;}/*** URL编码（utf-8）** @param source* @return*/public static String urlEncodeUTF8(String source) {String result = source;try {result = java.net.URLEncoder.encode(source, "utf-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();}return result;}private static String byteToHex(final byte[] hash) {Formatter formatter = new Formatter();for (byte b : hash){formatter.format("%02x", b);}String result = formatter.toString();formatter.close();return result;}private static String create_nonce_str() {return UUID.randomUUID().toString();}private static String create_timestamp() {return Long.toString(System.currentTimeMillis() / 1000);}
}

2.前台主要方法

1.请求登录

location.href="https://open.weixin.qq.com/connect/oauth2/authorize?appid=*******&redirect_uri=https://******/wx/weixinLogin&response_type=code&scope=snsapi_userinfo&state=""#wechat_redirect";
//appid 商户号id
//redirect_uri 请求回调地址（此案例的地址在主要类的WxController里面）
//scope 授权类型
//state 携带参数

3.更改说明

1.具体的代码更改在内面都有注释
2.要主要商户号是否有该域名的权限
3.回调地址根据自己的具体业务更改

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微信浏览器调起微信登录

微信浏览器调起微信登录

1.主要类

1.NetUtil类

2.Oauth2Token类

3.R 类

4. SNSUserInfo 类

5. WxController 方法

2.前台主要方法

3.更改说明

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