我是objective-c的新手,我希望使用POST将许多键-值对传递给PHP脚本。我使用了以下代码,但数据似乎并未通过发布。我也尝试过使用NSData发送邮件,但似乎都不起作用。
NSDictionary* data = [NSDictionary dictionaryWithObjectsAndKeys:
@"bob", @"sender",
@"aaron", @"rcpt",
@"hi there", @"message",
nil];
NSURL *url = [NSURL URLWithString:@"http://myserver.com/script.php"];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
[request setHTTPBody:[NSData dataWithBytes:data length:[data count]]];
NSURLResponse *response;
NSError *err;
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err];
NSLog(@"responseData: %@", content);
这将被发送到这个简单的脚本,以执行数据库插入:
<?php $sender = $_POST['sender'];
$rcpt = $_POST['rcpt'];
$message = $_POST['message'];
//script variables
include ("vars.php");
$con = mysql_connect($host, $user, $pass);
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("mydb", $con);
mysql_query("INSERT INTO php_test (SENDER, RCPT, MESSAGE)
VALUES ($sender, $rcpt, $message)");
echo "complete"
?>
有什么想法吗?
发布于 2010-03-31 18:24:55
感谢大家的建议。最后,我设法通过使用给定的here解决了这个问题。
代码:
NSString *myRequestString = @"sender=my%20sender&rcpt=my%20rcpt&message=hello";
NSData *myRequestData = [ NSData dataWithBytes: [ myRequestString UTF8String ] length: [ myRequestString length ] ];
NSMutableURLRequest *request = [ [ NSMutableURLRequest alloc ] initWithURL: [ NSURL URLWithString: @"http://people.bath.ac.uk/trs22/insert.php" ] ];
[ request setHTTPMethod: @"POST" ];
[ request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"content-type"];
[ request setHTTPBody: myRequestData ];
NSURLResponse *response;
NSError *err;
NSData *returnData = [ NSURLConnection sendSynchronousRequest: request returningResponse:&response error:&err];
NSString *content = [NSString stringWithUTF8String:[returnData bytes]];
NSLog(@"responseData: %@", content);
发布于 2010-10-22 21:27:56
这是错误的:
[NSData dataWithBytes:[post UTF8String] length:[post length]]
长度应以字节数表示,而不是以UTF8字符数表示。您应该使用下面这一行而不是:
NSData *data = [post dataUsingEncoding: NSUTF8StringEncoding];
发布于 2010-03-30 23:50:49
在我看来,这行[request setHTTPBody:[NSData dataWithBytes:data length:[data count]]];
看起来很不对劲。
我认为你想要:[request setAllHTTPHeaderFields:data];
其次,您会发现Cocoa框架在发送字段名称之前将它们的第一个字母大写(令人讨厌)。您可能需要做一些更改来应对这种情况。
https://stackoverflow.com/questions/2544650
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