//
//  LWTViewController.m
//  网络编程练习 -- NSURLConnection -- get请求
//
//  Created by apple on 14-6-26.
//  Copyright (c) 2014年 lwt. All rights reserved.
//

#import "LWTViewController.h"
#import "MBProgressHUD+MJ.h"@interface LWTViewController () <NSURLConnectionDataDelegate>
@property (weak, nonatomic) IBOutlet UITextField *usernameField;@property (weak, nonatomic) IBOutlet UITextField *pwdField;@property (nonatomic, strong) NSMutableData *data;- (IBAction)loginBtnOnClick;@end@implementation LWTViewController- (void)viewDidLoad
{[super viewDidLoad];
}- (IBAction)loginBtnOnClick {NSString *username = self.usernameField.text;NSString *pwd = self.pwdField.text;if (username.length == 0) {[MBProgressHUD showError:@"请输入用户名"];return;}if (pwd.length == 0) {[MBProgressHUD showError:@"请输入密码"];return;}NSString *urlStr = [[NSString stringWithFormat:@"http://192.168.1.24:8080/MJServer/login?username=%@&pwd=%@", username, pwd] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];NSURL *url = [NSURL URLWithString:urlStr];NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];request.timeoutInterval = 5;//    [self dataSyncFromRequest:request];
//    [self dataAsyncFromRequest:request];
    [self delegateFromRequest:request];}/***  同步请求, 会阻塞线程*/
- (void)dataSyncFromRequest : (NSURLRequest *)request
{NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];NSLog(@"%d",data.length);
}/***  异步请求*/
- (void)dataAsyncFromRequest : (NSURLRequest *)request
{[MBProgressHUD showMessage:@"正在拼命加载中..."];[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {[MBProgressHUD hideHUD];if (connectionError) {[MBProgressHUD showError:@"网络繁忙,请稍后再试!!"];return ;}NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];NSString *error = dict[@"error"];if (error) {[MBProgressHUD showError:error];}else{NSString *success = dict[@"success"];[MBProgressHUD showSuccess:success];}}];
}- (void)delegateFromRequest : (NSURLRequest *)request
{NSURLConnection *conn = [NSURLConnection connectionWithRequest:request delegate:self];[conn start];[MBProgressHUD showMessage:@"正在拼命加载中..."];
}- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{NSLog(@"didFailWithError");[MBProgressHUD hideHUD];[MBProgressHUD showError:@"网络繁忙,请稍后再试"];
}- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{NSLog(@"didReceiveResponse");self.data = [NSMutableData data];
}- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{NSLog(@"didReceiveData");[self.data appendData:data];
}- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{NSLog(@"connectionDidFinishLoading");[MBProgressHUD hideHUD];NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:self.data options:NSJSONReadingMutableLeaves error:nil];NSString *error = dict[@"error"];if (error) {[MBProgressHUD showError:error];}else{NSString *success = dict[@"success"];[MBProgressHUD showSuccess:success];}
}@end

//
//  LWTViewController.m
//  网络编程练习 -- NSURLConnection -- POST请求
//
//  Created by apple on 14-6-26.
//  Copyright (c) 2014年 lwt. All rights reserved.
//

#import "LWTViewController.h"
#import "MBProgressHUD+MJ.h"@interface LWTViewController ()
@property (weak, nonatomic) IBOutlet UITextField *usernameField;@property (weak, nonatomic) IBOutlet UITextField *pwdField;@property (nonatomic, strong) NSMutableData *data;- (IBAction)loginBtnOnClick;@end@implementation LWTViewController- (void)viewDidLoad
{[super viewDidLoad];
}- (IBAction)loginBtnOnClick
{NSString *username = self.usernameField.text;NSString *pwd = self.pwdField.text;if (username.length == 0) {[MBProgressHUD showError:@"请输入用户名"];return;}if (pwd.length == 0) {[MBProgressHUD showError:@"请输入密码"];return;}NSURL *url = [NSURL URLWithString:[@"http://192.168.1.24:8080/MJServer/login" stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];request.timeoutInterval = 5;request.HTTPMethod = @"POST";[request setValue:@"Andriod and iOS" forHTTPHeaderField:@"User-Agent"];NSString *body = [NSString stringWithFormat:@"username=%@&pwd=%@", username, pwd];request.HTTPBody = [body dataUsingEncoding:NSUTF8StringEncoding];[MBProgressHUD showMessage:@"正在拼命加载中..."];[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {[MBProgressHUD hideHUD];if (connectionError) {[MBProgressHUD showError:@"网络繁忙, 请稍后重试!!"];return ;}NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];NSString *error = dict[@"error"];if (error) {[MBProgressHUD showError:error];}else{NSString *success = dict[@"success"];[MBProgressHUD showSuccess:success];}}];
}@end