iOS QQ第三方登录的实现

#import "AppDelegate.h"  
#import <TencentOpenAPI/TencentOAuth.h> //导入头文件  
  
@interface AppDelegate () <TencentSessionDelegate>  
{  
    TencentOAuth *_tencentOAth;//创建授权对象  
}  
@end  
  
@implementation AppDelegate  
  
  
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {  
    // Override point for customization after application launch.  
      
    _tencentOAth = [[TencentOAuth alloc] initWithAppId:@"这里填写你申请的appID" andDelegate:self];  
      
    return YES;  
}  
  
//重写appDelegate中的回调方法  
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {  
      
    return [TencentOAuth HandleOpenURL:url];  
}  
  
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {  
      
    return [TencentOAuth HandleOpenURL:url];  
}  

#import "ViewController.h"  
#import <TencentOpenAPI/TencentOAuth.h>  
  
@interface ViewController () <TencentSessionDelegate>  
{  
    TencentOAuth *_tencentOAth;  
}  
@end  
  
@implementation ViewController  
  
- (void)viewDidLoad {  
    [super viewDidLoad];  
    // Do any additional setup after loading the view, typically from a nib.  
}  
  
- (void)didReceiveMemoryWarning {  
    [super didReceiveMemoryWarning];  
    // Dispose of any resources that can be recreated.  
}  
  
- (IBAction)qqLogin:(id)sender  
{  
    _tencentOAth = [[TencentOAuth alloc] initWithAppId:@"你所申请的appID" andDelegate:self];  
      
    //设置需要获取的权限列表，需要什么就写什么  
    NSArray *permissions = [NSArray arrayWithObjects:@"get_user_info",@"get_simple_userinfo",@"add_t",nil];  
  
    //调用此方法开始跳转进行授权  
    [_tencentOAth authorize:permissions inSafari:NO];  
}  
  
#pragma mark -- TencentSessionDelegate  
  
//登陆完成调用  
  
- (void)tencentDidLogin  
  
{  
    if (_tencentOAth.accessToken &&0 != [_tencentOAth.accessToken length])  
    {  
        //这里可获取accessToken,Access Token凭证，用于后续访问各开放接口  
        NSLog(@"accessToken %@",_tencentOAth.accessToken);  
  
        //这里可获取openID,openId是用户授权登录后对该用户的唯一标识  
        NSLog(@"openId %@",_tencentOAth.openId);  
          
        //获取用户信息  
        [_tencentOAth getUserInfo];  
    }  
    else  
    {  
        NSLog(@"登录不成功没有获取accesstoken");  
    }  
      
}  
  
  
//非网络错误导致登录失败：  
-(void)tencentDidNotLogin:(BOOL)cancelled  
  
{  
      
    NSLog(@"tencentDidNotLogin");  
      
    if (cancelled)  
    {  
        NSLog(@"用户取消登录");  
    }  
    else  
    {  
        NSLog(@"登录失败");  
    }  
      
}  
  
// 网络错误导致登录失败：  
- (void)tencentDidNotNetWork  
  
{  
    NSLog(@"tencentDidNotNetWork");  
}  
  
- (void)getUserInfoResponse:(APIResponse *)response  
  
{  
    NSLog(@"respons:%@",response.jsonResponse);  
      
    NSData *imageData = [NSData dataWithContentsOfURL:[NSURL URLWithString:response.jsonResponse[@"figureurl_2"]]];  
    UIImage *image = [UIImage imageWithData:imageData scale:1];  
    self.headerImageView.image = image;  
      
    self.nameLabel.text = response.jsonResponse[@"nickname"];  
    self.sexLabel.text = response.jsonResponse[@"gender"];  
    self.provinceLabel.text = response.jsonResponse[@"province"];  
    self.cityLabel.text = response.jsonResponse[@"city"];  
}  
  
@end