1.数据准备

请求地址:http:///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

2.目录结构

vue开发demo - 天气助手应用(一)_css

3.代码示例

1.js

<!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" />
</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="queryWeather" />
            <button class="input_sub" @click="queryWeather">
                搜 索
            </button>
        </div>
        <div class="hotkey">
            <!-- <a href="javascript:;" @click="clickSearch('北京')">北京</a>
              <a href="javascript:;" @click="clickSearch('上海')">上海</a>
              <a href="javascript:;" @click="clickSearch('广州')">广州</a>
              <a href="javascript:;" @click="clickSearch('深圳')">深圳</a> -->
            <a href="javascript:;" v-for="city in hotCitys" @click="clickSearch(city)">{{ city }}</a>
        </div>
    </div>
    <ul class="weather_list">
        <li v-for="(item,index) in forecastList" :key="item.date" :style="{transitionDelay:index*100+'ms'}">
            <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:///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>
<script>
    new Vue({
        el: "#app",
        data: {
            city: "武汉",
            forecastList: [],
            hotCitys: ["北京", "上海", "广州", "深圳"]
        },
        methods: {
            queryWeather() {
                this.forecastList = [];
                axios
                    .get(`http:///weather_mini?city=${this.city}`)
                    .then(res => {
                        console.log(res);
                        this.forecastList = res.data.data.forecast;
                    })
                    .catch(err => {
                        console.log(err);
                    })
                    .finally(() => { });
            },
            clickSearch(city) {
                this.city = city;
                this.queryWeather();
            }
        }
    });
</script>
</body>

</html>

2.css

body{
    font-family:'Microsoft YaHei';
}

.wrap {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    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;
}

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;
}

4.应用效果图

vue开发demo - 天气助手应用(一)_css_02