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我想发送一个HTTP POST请求到一个键值对使用POST方法，它返回给我一个json响应。如何POST请求获取jSON响应
CODE
//[dictionnary setObject:@"tId" forKey:@"serialnumber"];
NSMutableDictionary *dictionnary = [NSMutableDictionary dictionary];
[dictionnary setObject:[NSString stringWithFormat:@"tId"] forKey:@"serialnumber"];
[dictionnary setObject:[NSString stringWithFormat:@"tname"] forKey:@"mobileimei"];
[dictionnary setObject:[NSString stringWithFormat: @"tprice"] forKey:@"submerchantguid"];
[dictionnary setObject:[NSString stringWithFormat: @"tquan"] forKey:@"transactionid"];
[dictionnary setObject:[NSString stringWithFormat: @"tquan"] forKey:@"emailid"];
[dictionnary setObject:[NSString stringWithFormat: @"tquan"] forKey:@"mobileno"];
[dictionnary setObject:[NSString stringWithFormat: @"tquan"] forKey:@"signature"];
[dictionnary setObject:[NSString stringWithFormat:@"tquan"] forKey:@"photo"];
NSError *error = nil;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictionnary
options:kNilOptions
error:&error];
NSLog(@"Error is %@",error);
NSString *urlString = @"MY_POST_URL/transaction/model/transactionsuccess";
//NSString *urlString = @"http://yahoo.com";
NSURL *url = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
[request setHTTPBody:jsonData];
NSURLResponse *response = NULL;
NSError *requestError = NULL;
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&requestError];
NSLog(@"request Error %@",requestError);
NSString *responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding] ;
NSLog(@"%@", responseString);
输出
inside submitinfo method
2012-11-29 12:13:02.238 ReaderDeployment[1568:11f03] Error is (null)
2012-11-29 12:13:03.005 ReaderDeployment[1568:11f03] request Error (null)
2012-11-29 12:13:03.006 ReaderDeployment[1568:11f03] <!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>PHP notice</title>
<style type="text/css">
/*<![CDATA[*/
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td{border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent;margin:0;padding:0;}
body{line-height:1;}
ol,ul{list-style:none;}
blockquote,q{quotes:none;}
blockquote:before,blockquote:after,q:before,q:after{content:none;}
:focus{outline:0;}
ins{text-decoration:none;}
del{text-decoration:line-through;}
table{border-collapse:collapse;border-spacing:0;}
body {
font: normal 9pt "Verdana";
color: #000;
background: #fff;
}
h1 {
font: normal 18pt "Verdana";
color: #f00;
margin-bottom: .5em;
}
h2 {
font: normal 14pt "Verdana";
color: #800000;
margin-bottom: .5em;
}
h3 {
font: bold 11pt "Verdana";
}
pre {
font: normal 11pt Menlo, Consolas, "Lucida Console", Monospace;
}
pre span.error {
display: block;
background: #fce3e3;
}
pre span.ln {
color: #999;
padding-right: 0.5em;
border-right: 1px solid #ccc;
}
pre span.error-ln {
font-weight: bold;
}
.container {
margin: 1em 4em;
..........
请纠正我，什么是错的code.I也曾尝试发送所有值的细节使用
[dictionnary setObject:@"tId" forKey:@"serialnumber"];
格式也。我没有得到任何错误，仍然没有实现预期的json响应。后端只接收信息，并将状态显示为“0”或“1”。相反，显示出一些奇怪的输出，我想它是css脚本。