IOS-天气API

这里只是一个简单的获取天气信息的Demo。

////  ViewController.m//  1-天气查询API////  Created by Jarvan on 15/5/21.//  Copyright (c) 2015年 Jarvan. All rights reserved.//#import "ViewController.h"@interface ViewController ()@property (nonatomic, strong) UIButton *button;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];        [self.view addSubview:self.button];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}

// 在storyboard中拖一个按键，以下点击按键的方法- (IBAction)buttonClick:(UIButton *)sender {    NSString *urlstr = @"http://m.weather.com.cn/data/101010100.html";    NSURL *url = [NSURL URLWithString:urlstr];        // 创建一个请求    NSURLRequest *request = [NSURLRequest requestWithURL:url];        // 发送一个同步请求    NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];        // 解析JSON数据    // {"weatherinfo":{"city":"北京","city_en":"beijing","date_y":"2014年3月4日","date":"","week":"星期二","fchh":"11","cityid":"101010100","temp1":"8℃~-3℃","temp2":"8℃~-3℃","temp3":"7℃~-3℃","temp4":"8℃~-1℃","temp5":"10℃~1℃","temp6":"10℃~2℃","tempF1":"46.4℉~26.6℉","tempF2":"46.4℉~26.6℉","tempF3":"44.6℉~26.6℉","tempF4":"46.4℉~30.2℉","tempF5":"50℉~33.8℉","tempF6":"50℉~35.6℉","weather1":"晴","weather2":"晴","weather3":"晴","weather4":"晴转多云","weather5":"多云","weather6":"多云","img1":"0","img2":"99","img3":"0","img4":"99","img5":"0","img6":"99","img7":"0","img8":"1","img9":"1","img10":"99","img11":"1","img12":"99","img_single":"0","img_title1":"晴","img_title2":"晴","img_title3":"晴","img_title4":"晴","img_title5":"晴","img_title6":"晴","img_title7":"晴","img_title8":"多云","img_title9":"多云","img_title10":"多云","img_title11":"多云","img_title12":"多云","img_title_single":"晴","wind1":"北风4-5级转微风","wind2":"微风","wind3":"微风","wind4":"微风","wind5":"微风","wind6":"微风","fx1":"北风","fx2":"微风","fl1":"4-5级转小于3级","fl2":"小于3级","fl3":"小于3级","fl4":"小于3级","fl5":"小于3级","fl6":"小于3级","index":"寒冷","index_d":"天气寒冷，建议着厚羽绒服、毛皮大衣加厚毛衣等隆冬服装。年老体弱者尤其要注意保暖防冻。","index48":"冷","index48_d":"天气冷，建议着棉服、羽绒服、皮夹克加羊毛衫等冬季服装。年老体弱者宜着厚棉衣、冬大衣或厚羽绒服。","index_uv":"中等","index48_uv":"中等","index_xc":"较适宜","index_tr":"一般","index_co":"较舒适","st1":"7","st2":"-3","st3":"8","st4":"0","st5":"7","st6":"-1","index_cl":"较不宜","index_ls":"基本适宜","index_ag":"易发"}}    NSDictionary *dirt =[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];    NSDictionary *dirt2 = dirt[@"weatherinfo"];    NSString *city = dirt2[@"city"];    NSString *city_e = dirt2[@"city_en"];    NSString *date_y = dirt2[@"date_y"];    NSString *temp1 = dirt2[@"temp1"];    NSString *temp2 = dirt2[@"temp1"];    NSString *temp3 = dirt2[@"temp1"];    NSLog(@"你所在的城市:%@  %@;\n日期:%@;\n天气情况:\n今天:%@;\n明天:%@;\n后天:%@;\n",city,city_e,date_y,temp1,temp2,temp3);    

<p style="margin-top: 0px; margin-bottom: 0px; font-size: 14px; font-family: Menlo; color: rgb(0, 143, 0);">//    <span style="font-family: 'Heiti SC Light';">你所在的城市</span>:<span style="font-family: 'Heiti SC Light';">北京</span>  beijing;</p><p style="margin-top: 0px; margin-bottom: 0px; font-size: 14px; font-family: Menlo; color: rgb(0, 143, 0);">//    <span style="font-family: 'Heiti SC Light';">日期</span>:2014<span style="font-family: 'Heiti SC Light';">年</span>3<span style="font-family: 'Heiti SC Light';">月</span>4<span style="font-family: 'Heiti SC Light';">日</span>;</p><p style="margin-top: 0px; margin-bottom: 0px; font-size: 14px; font-family: Menlo; color: rgb(0, 143, 0);">//    <span style="font-family: 'Heiti SC Light';">天气情况</span>:</p><p style="margin-top: 0px; margin-bottom: 0px; font-size: 14px; font-family: Menlo; color: rgb(0, 143, 0);">//    <span style="font-family: 'Heiti SC Light';">今天</span>:8<span style="font-family: Monaco;">℃</span>~-3<span style="font-family: Monaco;">℃</span>;</p><p style="margin-top: 0px; margin-bottom: 0px; font-size: 14px; font-family: Menlo; color: rgb(0, 143, 0);">//    <span style="font-family: 'Heiti SC Light';">明天</span>:8<span style="font-family: Monaco;">℃</span>~-3<span style="font-family: Monaco;">℃</span>;</p><p style="margin-top: 0px; margin-bottom: 0px; font-size: 14px; font-family: Menlo; color: rgb(0, 143, 0);">//    <span style="font-family: 'Heiti SC Light';">后天</span>:8<span style="font-family: Monaco;">℃</span>~-3<span style="font-family: Monaco;">℃</span>;</p>@end