AFN同步异步请求

异步请求：

-(BOOL)getOnlyKey1

{

    NSString *myUUIDStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];

    __block bool isTrue = false;

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/plain"];

    NSString *urlstr = [NSString stringWithFormat:@"http://122.225.89.70:28080/try/check"];

    NSURL *url = [NSURL URLWithString:urlstr];

    NSDictionary *dic = @{@"imei":myUUIDStr,@"av":AppVersion};

    [manager POST:urlstr parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {

        MyLog(@"%@", operation.responseString);

        NSRange range = [operation.responseString rangeOfString:@"\"msg\":\"0\""];

        if (range.location != NSNotFound) {

            isTrue = true;

        }

        if (!isTrue) {

            SHOWALERT(@"错误", @"您须要联系开发者");

        }

    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

        MyLog(@"返回失败结果：%@", error.localizedFailureReason);

        SHOWALERT(@"错误", @"请求开发者server失败");

        isTrue = true;

    }];

    return  isTrue;

}

同步请求：

-(BOOL)getOnlyKey2

{

    NSString *myUUIDStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];

    BOOL isTrue = false;

    NSString *urlstr = [NSString stringWithFormat:@"http://122.225.89.70:28080/try/check"];

    NSURL *url = [NSURL URLWithString:urlstr];

    NSMutableURLRequest *urlrequest = [[NSMutableURLRequest alloc]initWithURL:url];

    urlrequest.HTTPMethod = @"POST";

    NSString *bodyStr = [NSString stringWithFormat:@"imei=%@&av=%@",myUUIDStr, AppVersion];

    NSData *body = [bodyStr dataUsingEncoding:NSUTF8StringEncoding];

    urlrequest.HTTPBody = body;

    AFHTTPRequestOperation *requestOperation = [[AFHTTPRequestOperation alloc] initWithRequest:urlrequest];

    requestOperation.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/plain"];

    [requestOperation start];

    [requestOperation waitUntilFinished];

    MyLog(@"%@",requestOperation.responseString);

    NSRange range = [requestOperation.responseString rangeOfString:@"\"msg\":\"0\""];

    if (range.location != NSNotFound) {

        isTrue = true;

    }

    if (!isTrue) {

        SHOWALERT(@"错误", @"您须要联系开发者");

    }

    return  isTrue;

}

原生态的同步请求：

-(BOOL)getOnlyKey

{

    NSString *myUUIDStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];

    //应用版本

    NSDictionary* infoDict =[[NSBundle mainBundle] infoDictionary];

    NSString* versionNum =[infoDict objectForKey:@"CFBundleVersion"];

    NSString *urlString = [NSString stringWithFormat:@"http://122.225.89.70:28080/try/check"];

    NSURL *url = [NSURL URLWithString:urlString];

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

    [request setHTTPMethod:@"POST"];

    NSString *bodyStr = [NSString stringWithFormat:@"imei=%@&av=%@",myUUIDStr, versionNum];

    //将nstring转换成nsdata

    NSData *body = [bodyStr dataUsingEncoding:NSUTF8StringEncoding];

    //MyLog(@"body data %@", body);

    [request setHTTPBody:body];

    NSURLResponse *response = nil;

    NSError *error = nil;

    //第二，三个參数是指针的指针，全部要用取址符，这种方法是同步方法。同步操作没有完毕。后面的代码不会运行。

    NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];

    //    NSString *str = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];

    //    MyLog(@"返回结果是：%@", str);

    if (error == nil) {  //接受到数据，表示工作正常

        NSString *str = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];

        MyLog(@"%@",str);

        NSRange range = [str rangeOfString:@"\"msg\":\"0\""];

        if (range.location != NSNotFound) {

            return true;

        }else{

            return false;

            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"出错鸟"

                                                            message:@"您须要联系项目开发者"

                                                           delegate:nil

                                                  cancelButtonTitle:@"确定"

                                                  otherButtonTitles:nil];

            [alert show];

        }

    }

    if(error != nil || response == nil)

    {

        return false;

        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"错误"

                                                        message:@"登陆失败。网络不稳定"

                                                       delegate:nil

                                              cancelButtonTitle:@"确定"

                                              otherButtonTitles:nil];

        [alert show];

    }

    return false;

}