我可以从iphone应用程序发出POST或GET请求吗？ [英] Can I make POST or GET requests from an iphone application?

问题描述

有没有办法使用iPhone SDK获得与HTTP POST或GET方法相同的结果？

Is there a way using the iPhone SDK to get the same results as an HTTP POST or GET methods?

推荐答案

假设您的类有一个 responseData 实例变量， / p>

Assume your class has a responseData instance variable, then:

responseData = [[NSMutableData data] retain];

NSURLRequest *request =
    [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.domain.com/path"]];
[[NSURLConnection alloc] initWithRequest:request delegate:self];

然后将以下方法添加到您的类中：

And then add the following methods to your class:

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
    [responseData setLength:0];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    [responseData appendData:data];
}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
    // Show error
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
    // Once this method is invoked, "responseData" contains the complete result
}

这将发送一个GET。到调用最终方法时， responseData 将包含整个HTTP响应（转换为带有[[NSString alloc] initWithData：encoding：]的字符串。

This will send a GET. By the time the final method is called, responseData will contain the entire HTTP response (convert to string with [[NSString alloc] initWithData:encoding:].

或者，对于POST，将第一个代码块替换为：

Alternately, for POST, replace the first block of code with:

NSMutableURLRequest *request =
        [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://www.domain.com/path"]];
[request setHTTPMethod:@"POST"];

NSString *postString = @"Some post string";
[request setHTTPBody:[postString dataUsingEncoding:NSUTF8StringEncoding]];

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