2019-08-19 00:11:39 +08:00
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<!--
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HTML - 超文本标记语言 - 可以在浏览器中运行出网页的编程语言
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1. 标签 - 承载网页上显示的内容
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2. 层叠样式表 - 负责网页的显示
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3. JavaScript - 负责交互行为
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-->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>垃圾分类查询助手</title>
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<!--
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0. 可回收物（如：玻璃类、牛奶盒、金属类、塑料类、废纸类、织物类）
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1. 有害垃圾（如：废电池、废墨盒、废油漆桶、过期药品、废灯管、杀虫剂）
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2. 厨余垃圾（如：骨骼内脏、菜梗菜叶、果皮、茶叶渣、残枝落叶、剩菜剩饭）
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3. 其他垃圾（如：宠物粪便、烟头、污染纸张、破旧陶瓷品、灰土、一次性餐具）
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-->
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<!-- 层叠样式表 -->
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<style>
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.search, .result {
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width: 720px;
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margin: 50px auto;
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}
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.search > input {
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width: 520px;
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border: none;
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outline: none;
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text-align: center;
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font-size: 36px;
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line-height: 36px;
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border-bottom: 1px solid gray;
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margin: 0 20px;
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}
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.search button {
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background-color: red;
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color: white;
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font-size: 28px;
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border: none;
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outline: none;
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width: 120px;
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}
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.result > p, .result > div {
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width: 640px;
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margin: 0 auto;
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}
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.result > p, .result span {
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text-align: left;
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font-size: 28px;
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}
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.result img {
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vertical-align: middle;
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}
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.explain {
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font-size: 12px;
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color: darkgray;
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}
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.result .pre {
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font-size: 16px;
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}
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</style>
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</head>
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<body>
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<!-- div 是代表一个逻辑区域的块标签 -->
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<div id="app">
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<div class="search">
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<!-- type属性是text的input标签代表文本框 可以接收用户输入 -->
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<!-- placeholder是文本框的输入提示 -->
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2020-06-24 08:10:58 +08:00
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<input type="text" placeholder="请输入垃圾名字" v-model.trim="word" @keydown.enter="search()">
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2019-08-19 00:11:39 +08:00
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<!-- button代表按钮 点击可以开始查询 -->
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<button @click="search()">查询</button>
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</div>
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<div class="result">
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<!-- p代表一个段落 -->
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<p v-if="searched && !results">没有对应的查询结果</p>
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<div v-for="result in results">
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<p>
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<!-- img是图像标签 可以用来实现图片-->
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2020-06-24 08:10:58 +08:00
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<img :src="'images/' + pictures[result.type]" width="56" :alt="types[result.type]">
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2019-08-19 00:11:39 +08:00
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2020-06-24 08:10:58 +08:00
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<!-- span是跨度标签 代表一个逻辑区域-->
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2019-08-19 00:11:39 +08:00
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<span>{{ result.name }}</span>
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<span class="pre" v-if="result.aipre == 1">（预测结果）</span>
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</p>
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<p class="explain">说明：{{ result.explain }}</p>
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</div>
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</div>
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</div>
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<!-- JavaScript代码 可以负责在用户点击查询按钮时联网获取垃圾分类结果 -->
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<script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>
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<script>
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new Vue({
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el: '#app',
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data: {
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word: '',
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searched: false,
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types: ['可回收物', '有害垃圾', '厨余垃圾', '其他垃圾'],
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pictures: ['recyclable.png', 'harmful-waste.png', 'kitchen-waste.png', 'other-waste.png'],
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results: []
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},
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methods: {
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// 查询垃圾分类的函数
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search() {
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if (this.word.trim().length > 0) {
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2021-03-08 00:25:04 +08:00
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let key = 'e8c5524dd2a365f20908ced735f8e480'
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2019-08-19 00:11:39 +08:00
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let url = `http://api.tianapi.com/txapi/lajifenlei/?key=${key}&word=${this.word}`
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fetch(url)
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.then(resp => resp.json())
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.then(json => {
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// 处理返回的JSON格式数据
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this.searched = true
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this.results = json.newslist
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})
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}
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}
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}
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})
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</script>
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</body>
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</html>
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