Vue入门实战之天气预报

时间：2023-01-17 12:46:44|栏目：vue|点击：次

本文实例为大家分享了Vue实现天气预报的具体代码，供大家参考，具体内容如下

效果图

实现代码

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>天知道</title>
    <link rel="stylesheet" href="css/reset.css" />
    <link rel="stylesheet" href="css/index.css" />
    <style>
      [v-cloak] {
        display: none;
      }
    </style>
  </head>

  <body>
    <div class="wrap" id="app">
      <div class="search_form">
        <div class="logo"><img src="img/logo.png" alt="logo" /></div>
        <div class="form_group">
          <input
            type="text"
            class="input_txt"
            placeholder="请输入查询的天气"
            v-model="city"
            @keyup.enter="searchWeather"
          />
          <button class="input_sub" @click="searchWeather">搜 索</button>
        </div>
        <div class="hotkey">
          <a href="javascript:;" @click="searchWeatherByCity('北京')">北京</a>
          <a href="javascript:;" @click="searchWeatherByCity('上海')">上海</a>
          <a href="javascript:;" @click="searchWeatherByCity('广州')">广州</a>
          <a href="javascript:;" @click="searchWeatherByCity('深圳')">深圳</a>
        </div>
      </div>
      <ul class="weather_list" v-cloak="block">
        <li v-for="item in weatherList">
          <div class="info_type">
            <span class="iconfont">{{item.type}}</span>
          </div>
          <div class="info_temp">
            <b>{{item.low}}</b>
            ~
            <b>{{item.high}}</b>
          </div>
          <div class="info_date"><span>{{item.date}}</span></div>
        </li>
      </ul>
    </div>
    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <!-- 官网提供的 axios 在线地址 -->
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
    <!-- 自己的js -->
    <script src="./js/main.js"></script>
  </body>
</html>

index.css

body{
    font-family:'Microsoft YaHei';   
}
.wrap{
    position: fixed;
    left:0;
    top:0;
    width:100%;
    height:100%;
    /* background: radial-gradient(#f3fbfe, #e4f5fd, #8fd5f4); */
    /* background:#8fd5f4; */
    /* background: linear-gradient(#6bc6ee, #fff); */
    background:#fff;

}
.search_form{
    width:640px;
    margin:100px auto 0;
}
.logo img{
    display:block;
    margin:0 auto;
}
.form_group{
    width:640px;
    height:40px;
    margin-top:45px;
}
.input_txt{
   width:538px;
   height:38px;
   padding:0px;
   float:left;
   border:1px solid #41a1cb;
   outline:none;
   text-indent:10px;
}

.input_sub{
    width:100px;
    height:40px;
    border:0px;
    float: left;
    background-color: #41a1cb;
    color:#fff;
    font-size:16px;
    outline:none;
    cursor: pointer;
    position: relative;
}
.input_sub.loading::before{
    content:'';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url('../img/loading.gif');
}

.hotkey{
    margin:3px 0 0 2px;
}

.hotkey a{
    font-size:14px;
    color:#666;
    padding-right:15px;
}
.weather_list{
    height:200px;
    text-align:center;
    margin-top:50px;
    font-size:0px;
}
.weather_list li{
    display:inline-block;
    width:140px;
    height:200px;
    padding:0 10px;
    overflow: hidden;
    position: relative;
    background:url('../img/line.png') right center no-repeat;
    background-size: 1px 130px;
}

.weather_list li:last-child{
    background:none;
}


.info_date{
    width:100%;
    height:40px;
    line-height:40px;
    color:#999;
    font-size:14px;
    left:0px;    
    bottom:0px;    
    margin-top: 15px;
}
.info_date b{
    float: left;
    margin-left:15px;
}

.info_type span{
    color:#fda252;
    font-size:30px;
    line-height:80px;
}
.info_temp{
    font-size:14px;  
    color:#fda252;
}
.info_temp b{
    font-size:13px;
}
.tem .iconfont {
    font-size: 50px;
  }

reset.css

body,ul,h1,h2,h3,h4,h5,h6{
    margin: 0;
    padding: 0;
}
h1,h2,h3,h4,h5,h6{
    font-size:100%;
    font-weight:normal;
}
a{
    text-decoration:none;
}
ul{
    list-style:none;
}
img{
    border:0px;
}

/* 清除浮动，解决margin-top塌陷 */
.clearfix:before,.clearfix:after{
    content:'';
    display:table;    
}
.clearfix:after{
    clear:both;
}
.clearfix{
    zoom:1;
}

.fl{
    float:left;
}
.fr{
    float:right;
}

main.js

/*
  请求地址:http://wthrcdn.etouch.cn/weather_mini
  请求方法:get
  请求参数:city(城市名)
  响应内容:天气信息

  1. 点击回车
  2. 查询数据
  3. 渲染数据
  */
var app = new Vue({
    el: "#app",
    data: {
        city: '',
        weatherList: []
    },
    methods: {
        searchWeather() {
            if (this.city == '') {
                alert("请输入城市！");
            } else {
                var that = this;
                axios.get('http://wthrcdn.etouch.cn/weather_mini?city=' + that.city).then(function (response) {
                    if (response.data.status == 1002) {
                        alert("您输入的城市有误！请重新输入！");
                        that.city = '';
                    } else {
                        that.weatherList = response.data.data.forecast;
                        console.log(response.data);
                    }
                }).catch(function (error) {
                    console.log(error);
                })
            }
        },
        searchWeatherByCity(city) {
            this.city = city;
            this.searchWeather();
        }
    },
})

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