NSURLRequest POST方式请求服务器示例

最新推荐文章于 2023-05-10 15:16:50 发布

lisiben

最新推荐文章于 2023-05-10 15:16:50 发布

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分类专栏： iPhone iOS Objective-c

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本文介绍如何使用Objective-C构建iOS应用中的XML登录请求。主要内容包括请求的准备阶段、设置HTTP头部信息、构造请求体以及发送请求并获取响应。示例中详细展示了如何组织XML格式的数据并将其作为POST请求的一部分。

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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];