iOS- 網路訪問兩種常用方式【GET & POST】實現的幾個主要步驟

NSURL *url = [NSURL URLWithString:urlString];

 

NSURLRequest *request = [NSURLRequest requestWithURL:url ];

NSError *error = nil;

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

 

[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

}];

 

 

NSURL *url = [NSURL URLWithString:urlString];

 

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

request.HTTPMethod = @"POST";

 

 

   NSString *bodyStr = [NSString stringWithFormat:    request.HTTPBody = [bodyStr dataUsingEncoding:NSUTF8StringEncoding];