本文实例为大家分享了iOS微信第三方登录,供大家参考,具体内容如下
一、准备工作
1、到微信开放平台注册成开发者,获取appid
2、导入WeChatConnection.framework
3、配置URL Schemes 输入appid 例如wx29ce0f21ea982cb8
二、配置AppDelegate.m
1、 注册微信
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//微信登陆
[WXApi registerApp:WeiXin_AppId withDescription:@ "weixin" ];
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2、设置函数
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//把代理设置到登陆视图中
- ( BOOL )application:(UIApplication *)application
handleOpenURL:(NSURL *)url
{
return [WXApi handleOpenURL:url delegate:[LoginViewController shareLogin]];
}
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- ( BOOL )application:(UIApplication *)application
openURL:(NSURL *)url
sourceApplication:(NSString *)sourceApplication
annotation:(id)annotation
{
return [WXApi handleOpenURL:url delegate:[LoginViewController shareLogin]];
}
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三、登陆页代码
1、微信登录授权比较复杂,相比QQ,新浪多了几步,简单说就是需要三步,第一步,获取code,这个用来获取token,第二步,就是带上code获取token,第三步,根据第二步获取的token和openid来获取用户的相关信息
2、
第一步:获取code
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-( void )weiXinLogin
{
SendAuthReq* req =[[SendAuthReq alloc] init];
req.scope = @ "snsapi_userinfo,snsapi_base" ;
req.state = @ "0744" ;
[WXApi sendReq:req];
}
-( void )onReq:(BaseReq *)req
{
NSLog(@ "呵呵" );
[self msgHint:@ "登陆失败" ];
}
-( void )onResp:(BaseResp *)resp
{
SendAuthResp* sender = (SendAuthResp*)resp;
NSString* code = sender.code;
NSLog(@ "啦啦 code = %@" ,code);
MBProgressHUD * hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
hud.labelText = @ "收取用户信息.." ;
[self getAccess_tokenWithCode:code];
}
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第二步 获取token
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-( void )getAccess_tokenWithCode:(NSString*)myCode
{
//https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code
NSString *url =[NSString stringWithFormat:@ "https://api.weixin.qq.com/sns/oauth2/access_token?appid=%@&secret=%@&code=%@&grant_type=authorization_code" ,kWXAPP_ID,kWXAPP_SECRET,myCode];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSURL *zoneUrl = [NSURL URLWithString:url];
NSString *zoneStr = [NSString stringWithContentsOfURL:zoneUrl encoding:NSUTF8StringEncoding error:nil];
NSData *data = [zoneStr dataUsingEncoding:NSUTF8StringEncoding];
dispatch_async(dispatch_get_main_queue(), ^{
if (data) {
NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSString* token = [dic objectForKey:@ "access_token" ];
NSString* openid = [dic objectForKey:@ "openid" ];
[self getUserInfoWithToken:token openId:openid];
NSLog(@ "token = %@" ,token);
NSLog(@ "openid = %@" ,openid);
}
});
});
}
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第三步:获取用户信息
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-( void )getUserInfoWithToken:(NSString*)myToken openId:(NSString*)myOpenId
{
// https://api.weixin.qq.com/sns/userinfo?access_token=ACCESS_TOKEN&openid=OPENID
NSString *url =[NSString stringWithFormat:@ "https://api.weixin.qq.com/sns/userinfo?access_token=%@&openid=%@" ,myToken,myOpenId];
NSLog(@ "infoUrl = %@" ,url);
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSURL *zoneUrl = [NSURL URLWithString:url];
NSString *zoneStr = [NSString stringWithContentsOfURL:zoneUrl encoding:NSUTF8StringEncoding error:nil];
NSData *data = [zoneStr dataUsingEncoding:NSUTF8StringEncoding];
dispatch_async(dispatch_get_main_queue(), ^{
if (data) {
NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSString* nickName = [dic objectForKey:@ "nickname" ];
NSString* wxHeadImgUrl = [dic objectForKey:@ "headimgurl" ];
NSLog(@ "nickName = %@" ,nickName);
NSLog(@ "headImg = %@" ,wxHeadImgUrl);
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
[userDefaults setObject:ON forKey:LogState];
[userDefaults setObject:ThirdFoudationLogin forKey:LogType];
[userDefaults setObject:nickName forKey:LoginName];
[userDefaults setObject:wxHeadImgUrl forKey:UserHeaderPath];
[userDefaults synchronize];
[MBProgressHUD hideAllHUDsForView:self.view animated:YES];
[self msgHint:@ "微信登陆成功" ];
[self popView];
}
});
});
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。