// // AppDelegate.m // weixinLoginDemo // // Created by 張國(guó)榮 on 16/6/20. // Copyright © 2016年 BateOrganization. All rights reserved. // #import "AppDelegate.h" #import "WXApi.h" //微信開(kāi)發(fā)者ID #define URL_APPID @"app id" @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //向微信注冊(cè)應(yīng)用。 [WXApi registerApp:URL_APPID withDescription:@"wechat"]; return YES; } -(BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<NSString *,id> *)options{ /*! @brief 處理微信通過(guò)URL啟動(dòng)App時(shí)傳遞的數(shù)據(jù) * * 需要在 application:openURL:sourceApplication:annotation:或者application:handleOpenURL中調(diào)用。 * @param url 微信啟動(dòng)第三方應(yīng)用時(shí)傳遞過(guò)來(lái)的URL * @param delegate WXApiDelegate對(duì)象，用來(lái)接收微信觸發(fā)的消息。 * @return 成功返回YES，失敗返回NO。 */ return [WXApi handleOpenURL:url delegate:self]; } /*! 微信回調(diào)，不管是登錄還是分享成功與否，都是走這個(gè)方法 @brief 發(fā)送一個(gè)sendReq后，收到微信的回應(yīng) * * 收到一個(gè)來(lái)自微信的處理結(jié)果。調(diào)用一次sendReq后會(huì)收到onResp。 * 可能收到的處理結(jié)果有SendMessageToWXResp、SendAuthResp等。 * @param resp具體的回應(yīng)內(nèi)容，是自動(dòng)釋放的 */ -(void) onResp:(BaseResp*)resp{ NSLog(@"resp %d",resp.errCode); /* enum WXErrCode { WXSuccess = 0, 成功 WXErrCodeCommon = -1, 普通錯(cuò)誤類型 WXErrCodeUserCancel = -2, 用戶點(diǎn)擊取消并返回 WXErrCodeSentFail = -3, 發(fā)送失敗 WXErrCodeAuthDeny = -4, 授權(quán)失敗 WXErrCodeUnsupport = -5, 微信不支持 }; */ if ([resp isKindOfClass:[SendAuthResp class]]) { //授權(quán)登錄的類。 if (resp.errCode == 0) { //成功。 //這里處理回調(diào)的方法 。 通過(guò)代理吧對(duì)應(yīng)的登錄消息傳送過(guò)去。 if ([_wxDelegate respondsToSelector:@selector(loginSuccessByCode:)]) { SendAuthResp *resp2 = (SendAuthResp *)resp; [_wxDelegate loginSuccessByCode:resp2.code]; } }else{ //失敗 NSLog(@"error %@",resp.errStr); UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"登錄失敗" message:[NSString stringWithFormat:@"reason : %@",resp.errStr] delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil nil]; [alert show]; } } } @end

// // ViewController.m // weixinLoginDemo // // Created by 張國(guó)榮 on 16/6/20. // Copyright © 2016年 BateOrganization. All rights reserved. // #import "ViewController.h" #import "WXApi.h" #import "AppDelegate.h" //微信開(kāi)發(fā)者ID #define URL_APPID @"appid" #define URL_SECRET @"app secret" #import "AFNetworking.h" @interface ViewController ()<WXDelegate> { AppDelegate *appdelegate; } @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } #pragma mark 微信登錄 - (IBAction)weixinLoginAction:(id)sender { if ([WXApi isWXAppInstalled]) { SendAuthReq *req = [[SendAuthReq alloc]init]; req.scope = @"snsapi_userinfo"; req.openID = URL_APPID; req.state = @"1245"; appdelegate = [UIApplication sharedApplication].delegate; appdelegate.wxDelegate = self; [WXApi sendReq:req]; }else{ //把微信登錄的按鈕隱藏掉。 } } #pragma mark 微信登錄回調(diào)。 -(void)loginSuccessByCode:(NSString *)code{ NSLog(@"code %@",code); __weak typeof(*&self) weakSelf = self; AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; manager.requestSerializer = [AFJSONRequestSerializer serializer];//請(qǐng)求 manager.responseSerializer = [AFHTTPResponseSerializer serializer];//響應(yīng) manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/html",@"application/json", @"text/json",@"text/plain", nil nil]; //通過(guò) appid secret 認(rèn)證code . 來(lái)發(fā)送獲取 access_token的請(qǐng)求 [manager GET:[NSString stringWithFormat:@"https://api.weixin.qq.com/sns/oauth2/access_token?appid=%@&secret=%@&code=%@&grant_type=authorization_code",URL_APPID,URL_SECRET,code] parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) { } success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { //獲得access_token，然后根據(jù)access_token獲取用戶信息請(qǐng)求。 NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableContainers error:nil]; NSLog(@"dic %@",dic); /* access_token 接口調(diào)用憑證 expires_in access_token接口調(diào)用憑證超時(shí)時(shí)間，單位（秒） refresh_token 用戶刷新access_token openid 授權(quán)用戶唯一標(biāo)識(shí) scope 用戶授權(quán)的作用域，使用逗號(hào)（,）分隔 unionid 當(dāng)且僅當(dāng)該移動(dòng)應(yīng)用已獲得該用戶的userinfo授權(quán)時(shí)，才會(huì)出現(xiàn)該字段 */ NSString* accessToken=[dic valueForKey:@"access_token"]; NSString* openID=[dic valueForKey:@"openid"]; [weakSelf requestUserInfoByToken:accessToken andOpenid:openID]; } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"error %@",error.localizedFailureReason); }]; } -(void)requestUserInfoByToken:(NSString *)token andOpenid:(NSString *)openID{ AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; manager.requestSerializer = [AFJSONRequestSerializer serializer]; manager.responseSerializer = [AFHTTPResponseSerializer serializer]; [manager GET:[NSString stringWithFormat:@"https://api.weixin.qq.com/sns/userinfo?access_token=%@&openid=%@",token,openID] parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) { } success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) { NSDictionary *dic = (NSDictionary *)[NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableContainers error:nil]; NSLog(@"dic ==== %@",dic); } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) { NSLog(@"error %ld",(long)error.code); }]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end