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我有一個登錄頁面，它向URL發出請求並將變量或用戶名和密碼發佈到URL，然後在完成後將我帶到新的View Controller。爲HTTP請求添加錯誤和成功處理程序
當我把正確的用戶名和密碼的請求工作，因爲我可以複製在日誌中的HTML它顯示我我的個人資料，我提出了要求。
如果我把錯誤的細節和我複製的HTML，我從日誌或控制檯獲得登錄頁面的HTML。
我怎麼會只將用戶引導至新的View控制器或模態的TabBar當正確的細節投入。
我想表明一個錯誤，如果輸入了錯誤的詳細信息。
非常感謝
LoginTableViewController.h
#import <UIKit/UIKit.h>
@interface LoginTableViewController : UITableViewController
{
UITabBarController *tbc;
}
- (void)dismissTabBar;
@property (nonatomic, retain) UITabBarController *tbc;
@end
LoginTableViewController.m
#import "LoginTableViewController.h"
#import "rootViewController.h"
@interface LoginTableViewController()
@property (weak, nonatomic) IBOutlet UITextField *UIEmailTextField;
@property (weak, nonatomic) IBOutlet UITextField *UIPasswordTextField;
@end
@implementation LoginTableViewController
@synthesize UIEmailTextField;
@synthesize UIPasswordTextField;
@synthesize tbc;
- (id)initWithStyle:(UITableViewStyle)style
{
self = [super initWithStyle:style];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
}
- (void)viewDidUnload
{
[self setUIEmailTextField:nil];
[self setUIPasswordTextField:nil];
[super viewDidUnload];
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
#pragma mark - barButton Outlet
- (IBAction)loginButtonPressed:(UIBarButtonItem *)sender {
NSString *data = [NSString stringWithFormat:@"username=%@&password=%@",UIEmailTextField.text, UIPasswordTextField.text];
NSData *postData = [data dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
// preaparing URL request to send data.
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;
NSString *url = [NSString stringWithFormat:@"https://online.vrmcapital.co.za"];
[request setURL:[NSURL URLWithString:url]];
[request setHTTPMethod:@"POST"];
[request setValue:postLength forHTTPHeaderField:@"Content-Length"];
[request setHTTPBody:postData];
[request setTimeoutInterval:7.0];
NSURLResponse *response;
NSError *error;
NSData *urlData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
NSString *str=[[NSString alloc]initWithData:urlData encoding:NSUTF8StringEncoding];
NSLog(@"Login response:%@",str);
NSLog(@"Log In button was pressed!");
NSLog(@"Tab Bar Controller Button Clicked");
UIViewController *blueController = [[UIViewController alloc] initWithNibName:nil bundle:nil];
blueController.view.backgroundColor = [UIColor blueColor];
blueController.title = @"Blue";
blueController.tabBarItem.image = [UIImage imageNamed:@"Gallery.png"];
UIViewController *redController = [[UIViewController alloc] initWithNibName:nil bundle:nil];
redController.view.backgroundColor = [UIColor redColor];
UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[button setFrame:CGRectMake(20.0f, 140.0f, 280.0f, 40.0f)];
[button setTitle:@"Done" forState:UIControlStateNormal];
[button addTarget:self action:@selector(dismissTabBar) forControlEvents:UIControlEventTouchUpInside];
[redController.view addSubview:button];
//redController.title = @"Red1";
[redController setTitle:@"Red1" ];
redController.tabBarItem.image = [UIImage imageNamed:@"Gallery.png"];
image:[UIImage imageNamed:@"Gallery.png"];
tbc = [[UITabBarController alloc] initWithNibName:nil bundle:nil];
tbc.viewControllers = [NSArray arrayWithObjects:blueController, redController, nil];
tbc.selectedViewController = redController;
NSLog(@"Selected index = %d of %d", tbc.selectedIndex, [tbc.viewControllers count]);
//[blueController release];
//[redController release];
[self presentViewController:tbc animated:YES completion:nil];
}
- (void)dismissTabBar {
[[self tbc] dismissViewControllerAnimated:YES completion:nil];
}
@end