网络数据请求NSMutableURLRequest－NSHTTPURLResponse

NSString* url = [NSStringstringWithFormat:@"%s?mt=1&qt=6045&mobilekey=%@",gURLHEADER.getData(), [[UIDevice currentDevice]uniqueIdentifier]];

NSURL *c_url = [NSURL URLWithString:url];

NSMutableURLRequest *postRequest = [[NSMutableURLRequest alloc]initWithURL:c_url];

[postRequest setHTTPMethod:@"POST"]; [postRequestsetValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];

[postRequest setTimeoutInterval:60];

NSHTTPURLResponse* response = nil;

NSData *resData = nil;

NSInteger code = 0;

int index = 0;

while (index < 2)

{

resData= [NSURLConnection sendSynchronousRequest:postRequestreturningResponse:&response error:nil];

code = [response statusCode];

if (code == 200)

{

break;

}

index++;

}

[postRequest release];

if (resData)//服务器返回的数据

{

//用xml方式解析resData

}