IOS 网络浅析－（七 JSON解析之三方JSONKit）

//
//  ViewController.m
//  CX－JSON解析（三方JSONKit-master）
//
//  Created by ma c on 16/3/18.
//  Copyright © 2016年 xubaoaichiyu. All rights reserved.
//

#import "ViewController.h"
#import "JSONKit.h"
@interface ViewController ()


@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    NSString * urlString = @"http://localhost/city.json";
    
    NSURL * url = [NSURL URLWithString:urlString];
    
    NSURLRequest * request = [[NSURLRequest alloc]initWithURL:url cachePolicy:0 timeoutInterval:15];
    
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {
       //重点是这行代码，理解就可以，这个三方很好用。
        NSDictionary * dict = [data objectFromJSONData];
        
        NSArray * array = [dict objectForKey:@"city"];
        
        for (NSDictionary * dictTwo in array) {
            
            NSLog(@"%@",dictTwo);
            
        }
        
        
    }];
    
}
/*
 一部分结果
 2016-03-18 19:53:11.441 CX－JSON解析（三方JSONKit-master）[6130:389488] {
 city =     (
 {
 "city_id" = 1;
 "city_name" = "\U897f\U57ce\U533a";
 },
 {
 "city_id" = 2;
 "city_name" = "\U671d\U9633\U533a";
 },
 {
 "city_id" = 3;
 "city_name" = "\U6d77\U6dc0\U533a";
 },
 {
 "city_id" = 4;
 "city_name" = "\U4e30\U53f0\U533a";
 },
 {
 "city_id" = 5;
 "city_name" = "\U77f3\U666f\U5c71\U533a";
 },
 {
 "city_id" = 6;
 "city_name" = "\U901a\U5dde\U533a";
 },
 {
 "city_id" = 7;
 "city_name" = "\U987a\U4e49\U533a";
 },
 {
 "city_id" = 8;
 "city_name" = "\U623f\U5c71\U533a";
 },
 {
 "city_id" = 9;
 "city_name" = "\U5927\U5174\U533a";
 },
 {
 "city_id" = 10;
 "city_name" = "\U660c\U5e73\U533a";
 },
 {
 "city_id" = 11;
 "city_name" = "\U6000\U67d4\U533a";
 },
 {
 "city_id" = 12;
 "city_name" = "\U5e73\U8c37\U533a";
 },
 {
 "city_id" = 13;
 "city_name" = "\U95e8\U5934\U6c9f\U533a";
 },
 {
 "city_id" = 14;
 "city_name" = "\U5bc6\U4e91\U53bf";
 },
 
   */

@end