在这个网络横行的时代.........
有没有小说的感觉，哈哈?。
言归正传，之前我写过XML的网络解析，但是现在的app开发很少有用到XML解析的了，主流的则是JSON。（有时间我会对其进行总结）三方更是让json解析更加简便，由于代码过于简单，请大家做好心理准备。不要被吓到哦。
//// 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