NSURLRequest POST方式请求服务器示例

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iPhone, iOS , Objective-c

1、准备阶段

NSString *urlString = [NSString stringWithFormat:@"http://jssb.zust.edu.cn/androidLogin.action"];

         NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];

         [request setURL:[NSURL URLWithString:urlString]];

       [request setHTTPMethod:@"POST"];

2、设置头

         NSString *contentType = [NSString stringWithFormat:@"text/xml"];

         [request addValue:contentType forHTTPHeaderField: @"Content-Type"];

3、数据内容体的设定

NSMutableData *postBody = [NSMutableData data];

[postBody appendData:[[NSString stringWithFormat:@"id=%@&password=%@&role=%@",@"admin02",@"admin02",@"dean"] dataUsingEncoding:NSUTF8StringEncoding]];

[request setHTTPBody:postBody];

XML传送的时候：

NSMutableData *postBody = [NSMutableData data];

    [postBody appendData:[[NSString stringWithFormat:@"<Request Action=\"Login\">"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<Body>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<Username>wangjun</Username>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<Password>password</Password>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<PlatformID>2</PlatformID>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<PlatformVersion>3.1.3</PlatformVersion>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<TaskViewerName>IP 1.3</TaskViewerName>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"<TaskViewerVersion>3</TaskViewerVersion>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"</Body>"] dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"</Request>"] dataUsingEncoding:NSUTF8StringEncoding]];

    //post

    [request setHTTPBody:postBody];

4、请求响应

         NSHTTPURLResponse* urlResponse = nil;

         NSError *error = [[NSError alloc] init];

         NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&error];

       NSString *result = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];

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关于 Block Callback 的 API 设计 | JSON查看工具

2013-03-21 13:08
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