Iphone sdk, How to post data to web server? anybody has example ?
- by user352385
Hi, guys, I want to post data to web server, like username and password, on the web server, I used PHP to echo yes or no, I attached all the code. Can anybody help me out, what is wrong with the code. Since it always says incorrect password or username. I tried to test the php code with username and password inside, it is working. So please help me. Thank you.
Header file
@interface kiksyloginViewController : UIViewController {
IBOutlet UITextField *usernameField;
IBOutlet UITextField *passwordField;
IBOutlet UIButton *loginButton;
}
@property (nonatomic, retain) UITextField *usernameField;
@property (nonatomic, retain) UITextField *passwordField;
@property (nonatomic, retain) UIButton *loginButton;
(IBAction) login: (id) sender;
@end
Implementation file
#import "kiksyloginViewController.h"
@implementation kiksyloginViewController
@synthesize usernameField;
@synthesize passwordField;
@synthesize loginButton;
(IBAction) login: (id) sender
{
NSString *post =[NSString stringWithFormat:@"username=%@&password=%@",usernameField.text, passwordField.text];
NSString *hostStr = @"http://localhost/userlogin.php";
hostStr = [hostStr stringByAppendingString:post];
NSData *dataURL = [NSData dataWithContentsOfURL: [ NSURL URLWithString: hostStr ]];
NSString *serverOutput = [[NSString alloc] initWithData:dataURL encoding: NSASCIIStringEncoding];
if([serverOutput isEqualToString:@"Yes"]){
UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"Congrats" message:@"You are authorized "
delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
[alertsuccess show];
[alertsuccess release];
} else {
UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"Error" message:@"Username or Password Incorrect"
delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
[alertsuccess show];
[alertsuccess release];
}
}
(void)didReceiveMemoryWarning {
// Releases the view if it doesn’t have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren’t in use.
}
(void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
(void)dealloc {
[super dealloc];
}
@end
PHP file
<?php
//$Container = new Container ;
$u = $_GET['username'];
$pw =$_GET['password'];
$check = "select username, password from user where username='$u' and password='$pw'";
function myDbconn()
{
mysql_connect("localhost", "root","") or die();
mysql_select_db("test") or die (mysql_error());
}
myDbconn();
$login = mysql_query($check) or die (mysql_error());
//$run = DB()-select($check);
if (mysql_num_rows($login)==1){
//$row = DB()-fetch($run);
//$row = DB()-fetch($login);
$row = mysql_fetch_assoc($login);
echo 'yes';
exit;
}
else {
echo 'No';
exit;
}
?
