一、WebApp介绍
1.初始界面
2.搜索结果页面
二、项目代码
1.项目目录
--------app
----------app.component.ts
----------app.component.css
----------app.component.html
----------app.module.ts
2.app.component.html
1 <div class="content">
2 <div>
3 <img width="300" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg==">
4 </div>
5 <h2>{{title}}</h2>
6 <div>
7 <form class="form-inline">
8 <div class="form-group">
9 <label for="exampleInput">Address</label>
10 <input type="text" class="form-control" id="exampleInput" placeholder="Please input the address" name="searchAddress">
11 </div>
12 <button type="button" class="btn btn-default" (click)="start()">Search</button>
13 </form>
14 </div>
15 </div>
16 <div class="data" *ngIf="begin">
17 <table class="table table-striped">
18 <thead>
19 <tr>
20 <th>日期</th>
21 <th>天气</th>
22 <th>日间温度</th>
23 <th>夜间温度</th>
24 <th>气压值</th>
25 <th>湿度</th>
26 <th>天气情况</th>
27 </tr>
28 </thead>
29 <tbody>
30 <tr *ngFor="let DL of DataList;let i=index;">
31 <td>{{dateString[i]}}</td>
32 <td>{{DL.weather[0].main}}</td>
33 <td>{{DL.temp.day}}</td>
34 <td>{{DL.temp.night}}</td>
35 <td>{{DL.pressure}}</td>
36 <td>{{DL.humidity}}</td>
37 <td><img src="http://openweathermap.org/img/w/{{DL.weather[0].icon}}.png"/></td>
38 </tr>
39 </tbody>
40 </table>
41 </div>
3.app.component.ts
1 import { Component, OnInit } from ‘@angular/core‘;
2 import {HttpClient} from ‘@angular/common/http‘;
3 import ‘rxjs/add/operator/toPromise‘;
4
5 @Component({
6 selector: ‘app-root‘,
7 templateUrl: ‘./app.component.html‘,
8 styleUrls: [‘./app.component.css‘]
9 })
10 export class AppComponent{
11 title = ‘A weather search App!‘;
12 public http;
13 Data:any;
14 begin=false;//控制天气结果列表是否出现
15 searchAddress:string;//查询框文本的变量声明
16 dateString:string[];//天气结果列表的七个日期数组声明
17 DataList:any;//获取到的数据列表变量声明
18 constructor(private Http:HttpClient) {
19 this.http = Http;
20 }
21 now=new Date()//获取当前时间
22 GetDateStr(AddDayCount :number) {
23 this.now.setDate(this.now.getDate()+AddDayCount);//获取AddDayCount天后的日期
24 let y = this.now.getFullYear();
25 let m = this.now.getMonth()+1;//获取当前月份的日期
26 let d = this.now.getDate();
27 return y+"年"+m+"月"+d+"日";
28 }
29 ngOnInit() {//在组件加载进来的时候就执行
30 this.dateString=[this.GetDateStr(0),this.GetDateStr(1),this.GetDateStr(2),this.GetDateStr(3),this.GetDateStr(4),this.GetDateStr(5),this.GetDateStr(6)]
31 }
32 start(){//点击查询之后执行的函数
33 this.searchAddress = (document.getElementsByName(‘searchAddress‘)[0] as HTMLInputElement).value;//获取搜索框里面的文本
34 if(this.searchAddress.length!=0){//如果搜索框里面的文本不为空，那么结果列表出现，并且发送请求
35 this.begin=true;
36 this.http.get("http://api.openweathermap.org/data/2.5/forecast/daily?q="+this.searchAddress+"&mode=json&units=metric&cnt=7&appid=f12159c1f548ea9ab7b5ff1907b1df50")
37 .subscribe((data) => {
38 this.Data=data;
39 this.DataList=this.Data.list;
40 },
41 err => { });
42 }else{//如果搜索框里面的文本为空，那么结果列表不出现，并且不发送请求
43 alert("请输入地址");
44 }
45 }
46 }
4.app.component.css
1 .content{
2 width: 340px;
3 margin: 0 auto;
4 }
5 .data{
6 width: 800px;
7 margin: 0 auto;
8 margin-top: 10px;
9 }
ps：项目中的数据接口亲测可用，大家可以玩玩
项目代码地址https://github.com/Nangxif/WeatherWebApp
时间： 2024-10-31 14:10:20