一款查询天气的WebApp

来源：互联网发布：什么叫网络编辑：程序博客网时间：2024/04/29 11:25

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

<div class="content"><div><img width="300" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg=="></div><h2>{{title}}</h2><div><form class="form-inline">  <div class="form-group">    <label for="exampleInput">Address</label>    <input type="text" class="form-control" id="exampleInput" placeholder="Please input the address" name="searchAddress">  </div>  <button type="button" class="btn btn-default" (click)="start()">Search</button></form></div></div><div class="data" *ngIf="begin"><table class="table table-striped"><thead><tr><th>日期</th><th>天气</th><th>日间温度</th><th>夜间温度</th><th>气压值</th><th>湿度</th><th>天气情况</th></tr></thead><tbody><tr *ngFor="let DL of DataList;let i=index;"><td>{{dateString[i]}}</td><td>{{DL.weather[0].main}}</td><td>{{DL.temp.day}}</td><td>{{DL.temp.night}}</td><td>{{DL.pressure}}</td><td>{{DL.humidity}}</td><td><img src="http://openweathermap.org/img/w/{{DL.weather[0].icon}}.png"/></td></tr></tbody></table></div>

3.app.component.ts

import { Component, OnInit } from '@angular/core';import {HttpClient} from '@angular/common/http';import 'rxjs/add/operator/toPromise';@Component({    selector: 'app-root',    templateUrl: './app.component.html',    styleUrls: ['./app.component.css']})export class AppComponent{     title = 'A weather search App!';    public http;    Data:any;    begin=false;//控制天气结果列表是否出现    searchAddress:string;//查询框文本的变量声明    dateString:string[];//天气结果列表的七个日期数组声明    DataList:any;//获取到的数据列表变量声明    constructor(private Http:HttpClient) {        this.http = Http;    }    now=new Date()//获取当前时间    GetDateStr(AddDayCount :number) {        this.now.setDate(this.now.getDate()+AddDayCount);//获取AddDayCount天后的日期        let y = this.now.getFullYear();        let m = this.now.getMonth()+1;//获取当前月份的日期        let d = this.now.getDate();        return y+"年"+m+"月"+d+"日";    }    ngOnInit() {//在组件加载进来的时候就执行        this.dateString=[this.GetDateStr(0),this.GetDateStr(1),this.GetDateStr(2),this.GetDateStr(3),this.GetDateStr(4),this.GetDateStr(5),this.GetDateStr(6)]    }    start(){//点击查询之后执行的函数        this.searchAddress = (document.getElementsByName('searchAddress')[0] as HTMLInputElement).value;//获取搜索框里面的文本        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            this.begin=true;                this.http.get("http://api.openweathermap.org/data/2.5/forecast/daily?q="+this.searchAddress+"&mode=json&units=metric&cnt=7&appid=f12159c1f548ea9ab7b5ff1907b1df50")                .subscribe((data) => {                    this.Data=data;                    this.DataList=this.Data.list;                  },                err => { });        }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            alert("请输入地址");        }       } }

4.app.component.css

.content{width: 340px;margin: 0 auto;}.data{width: 800px;margin: 0 auto;margin-top: 10px;}

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

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