IOS_GET封装

//
//  PJViewController.m
//  GET
//
//  Created by pj on 14-8-3.
//  Copyright (c) 2014年 pj. All rights reserved.
//

#import "PJViewController.h"

typedef int (^SumP)(int,int);
@interface PJViewController ()

@end

@implementation PJViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    [self get:@"http://www.baidu.com" success:^(NSData *data) {
        NSLog(@"%@",[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
    } faild:^(NSString *errorMessage) {
        NSLog(@"%@",errorMessage);
    }];
    return;
    NSString *str = @"{\"userId\":1,\"userName\":\"zhangsan\"}";
    NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:[str dataUsingEncoding:NSUTF8StringEncoding] options:0 error:NULL];
    NSLog(@"%@",dict);
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
- (void)post
{
    NSString *urlString = [NSString stringWithFormat:@"http://www.baidu.com"];
    NSURL *url = [NSURL URLWithString:urlString];
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    request.HTTPMethod = @"POST";
    request.HTTPBody = [@"a=2&b=2" dataUsingEncoding:NSUTF8StringEncoding];
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
        NSString *result = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
        NSLog(@"success%@%@",result,[NSThread currentThread]);
    }];
    NSLog(@"end");
}
- (void)get
{
    // get需要对编码进行转换
    NSString *urlString = [@"http://www.baidu.com/?a=2&b=2" stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    NSURL *url = [NSURL URLWithString:urlString];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
//    NSURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:0 timeoutInterval:5.0f];
    // 在主线程上执行这条异步指令
    
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
        
        if(nil != connectionError)
        {
            NSLog(@"%@",connectionError.localizedDescription);
        
        }
        
        NSString *result = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
        NSLog(@"success%@%@",result,[NSThread currentThread]);
    }];
    NSLog(@"end");
}

- (void)get:(NSString*)url success:(void (^)(NSData *data))success faild:(void (^)(NSString *errorMessage))faild
{
    // get需要对编码进行转换
    //NSString *urlString = [url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    NSURL *url1 = [NSURL URLWithString:url];
    NSURLRequest *request = [NSURLRequest requestWithURL:url1];
    // 在主线程上执行这条异步指令
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
        
        if(nil != connectionError)
        {
            faild(connectionError.localizedDescription);
        }else
        {
            success(data);
        }
    }];
}


@end