Iphone 如何在ios的httpBody中发布键值对？
我必须发送POST请求主体中的键值对才能得到返回，我已经编写了这段代码，但得到了错误的响应Iphone 如何在ios的httpBody中发布键值对？,iphone,web-services,ios7,http-post,parameter-passing,Iphone,Web Services,Ios7,Http Post,Parameter Passing,我必须发送POST请求主体中的键值对才能得到返回，我已经编写了这段代码，但得到了错误的响应 NSString *urlAsString = @"http://someurl.com"; NSDictionary *params = @{@"request" : @"get_pull_down_menu", @"data" : @"0,0,3,1"}; NSString * parameters = [[NSString alloc] initWithF
NSString *urlAsString = @"http://someurl.com";
NSDictionary *params = @{@"request" : @"get_pull_down_menu", @"data" : @"0,0,3,1"};
NSString * parameters = [[NSString alloc] initWithFormat:@"request=get_pull_down_menu&data=0,0,3,1"];
NSURL *serviceURL = [NSURL URLWithString:urlAsString];
NSData *postData = [NSKeyedArchiver archivedDataWithRootObject:params];//TO convert nsdict into acceptable nsdata type
NSData *postData = [parameters dataUsingEncoding:NSUTF8StringEncoding];
NSMutableURLRequest *requestService = [NSMutableURLRequest requestWithURL:serviceURL];
[requestService setTimeoutInterval:30.0f];
[requestService setHTTPMethod:@"POST"];
[requestService setValue:[NSString stringWithFormat:@"%ld",postData.length] forHTTPHeaderField:@"Content-Length"];
[requestService setValue:@"application/x-www-form-urlencoded charset=utf-8" forHTTPHeaderField:@"Content-Type"];
[requestService setHTTPBody:postData ];
NSOperationQueue *queue = [[NSOperationQueue alloc] init];
[NSURLConnection sendAsynchronousRequest:requestService queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error){
if ([data length] >0 && error == nil) {
NSString *html = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(@"%ld lendth of recieved data" , html.length);
NSLog(@"HTML = %@", html);
}
else if ([data length] == 0 && error == nil)
{
NSLog(@"Nothing was downloaded");
}
else if (error != nil)
{
NSLog(@"Here is Error Log = %@", error);
}
}];
2014-10-02 13:38:42.227 [5624:1549]1798 lendth of recieved data
2014-10-02 13:38:42.228 [5624:154907] HTML = <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<HTML><head><script src="http://cdn.spotflux.com/service/partners/"></script><script type="text/javascript" src="http://cdn.spotflux.com/service/launcher/partner.js"></script><TITLE>The page cannot be found</TITLE>
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=Windows-1252">
<STYLE type="text/css">
BODY { font: 8pt/12pt verdana }
H1 { font: 13pt/15pt verdana }
H2 { font: 8pt/12pt verdana }
A:link { color: red }
A:visited { color: maroon }
</STYLE>
</HEAD><BODY><TABLE width=500 border=0 cellspacing=10><TR><TD>
<h1>The page cannot be found</h1>
The page you are looking for might have been removed, had its name changed, or is temporarily unavailable.
<hr>
<p>Please try the following:</p>
<ul>
<li>Make sure that the Web site address displayed in the address bar of your browser is spelled and formatted correctly.</li>
<li>If you reached this page by clicking a link, contact
the Web site administrator to alert them that the link is incorrectly formatted.
</li>
<li>Click the <a href="javascript:history.back(1)">Back</a> button to try another link.</li>
</ul>
<h2>HTTP Error 404 - File or directory not found.<br>Internet Information Services (IIS)</h2>
<hr>
<p>Technical Information (for support personnel)</p>
<ul>
<li>Go to <a href="http://go.microsoft.com/fwlink/?linkid=8180">Microsoft Product Support Services</a> and perform a title search for the words <b>HTTP</b> and <b>404</b>.</li>
<li>Open <b>IIS Help</b>, which is accessible in IIS Manager (inetmgr),
and search for topics titled <b>Web Site Setup</b>, <b>Common Administrative Tasks</b>, and <b>About Custom Error Messages</b>.</li>
</ul>
</TD></TR></TABLE></BODY></HTML>
2014-10-02 13:38:42.227[5624:1549]1798收到数据的借出量
2014-10-02 13:38:42.228[5624:154907]HTML=
找不到该页
正文{font:8pt/12pt verdana}
H1{font:13pt/15pt verdana}
H2{font:8pt/12pt verdana}
A:链接{颜色：红色}
A:访问{color:maroon}
找不到该页
您正在查找的页面可能已被删除、名称已更改或暂时不可用。
请尝试以下操作：
- 确保浏览器地址栏中显示的网站地址拼写和格式正确
- 如果您通过单击链接访问此页面，请与联系
网站管理员提醒他们链接格式不正确。
- 单击按钮尝试其他链接
HTTP错误404-找不到文件或目录。
Internet信息服务（IIS）
技术信息（针对支持人员）
- 转到并对词语HTTP和404执行标题搜索
- 打开IIS帮助，该帮助可在IIS管理器（inetmgr）中访问，
并搜索标题为“网站设置”、“常见管理任务”和“关于自定义错误消息”的主题