ElementUI Form：Input 输入框

效果图

el-input.vue （Input 输入框）页面效果图
项目里el-input.vue代码

<script>
export default {name: 'el_input',data() {return {input: '',input1: '',input2: '',input3: '',input4: '',textarea: '',textarea1: '',textarea2: '',input5: '',input6: '',input7: '',select: '',restaurants: [],state1: '',state2: '',restaurants2: [],state: '',state3: '',timeout:  null,text: '',textarea3: ''}},methods: {querySearch(queryString, cb) {var restaurants = this.restaurants;var results = queryString ? restaurants.filter(this.createFilter(queryString)) : restaurants;// 调用 callback 返回建议列表的数据cb(results);},createFilter(queryString) {return (restaurant) => {return (restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);};},loadAll() {return [{ "value": "三全鲜食（北新泾店）", "address": "长宁区新渔路144号" },{ "value": "Hot honey 首尔炸鸡（仙霞路）", "address": "上海市长宁区淞虹路661号" },{ "value": "新旺角茶餐厅", "address": "上海市普陀区真北路988号创邑金沙谷6号楼113" },{ "value": "泷千家(天山西路店)", "address": "天山西路438号" },{ "value": "胖仙女纸杯蛋糕（上海凌空店）", "address": "上海市长宁区金钟路968号1幢18号楼一层商铺18-101" },{ "value": "贡茶", "address": "上海市长宁区金钟路633号" },{ "value": "豪大大香鸡排超级奶爸", "address": "上海市嘉定区曹安公路曹安路1685号" },{ "value": "茶芝兰（奶茶，手抓饼）", "address": "上海市普陀区同普路1435号" },{ "value": "十二泷町", "address": "上海市北翟路1444弄81号B幢-107" },{ "value": "星移浓缩咖啡", "address": "上海市嘉定区新郁路817号" },{ "value": "阿姨奶茶/豪大大", "address": "嘉定区曹安路1611号" },{ "value": "新麦甜四季甜品炸鸡", "address": "嘉定区曹安公路2383弄55号" },{ "value": "Monica摩托主题咖啡店", "address": "嘉定区江桥镇曹安公路2409号1F，2383弄62号1F" },{ "value": "浮生若茶（凌空soho店）", "address": "上海长宁区金钟路968号9号楼地下一层" },{ "value": "NONO JUICE  鲜榨果汁", "address": "上海市长宁区天山西路119号" },{ "value": "CoCo都可(北新泾店）", "address": "上海市长宁区仙霞西路" },{ "value": "快乐柠檬（神州智慧店）", "address": "上海市长宁区天山西路567号1层R117号店铺" },{ "value": "Merci Paul cafe", "address": "上海市普陀区光复西路丹巴路28弄6号楼819" },{ "value": "猫山王（西郊百联店）", "address": "上海市长宁区仙霞西路88号第一层G05-F01-1-306" },{ "value": "枪会山", "address": "上海市普陀区棕榈路" },{ "value": "纵食", "address": "元丰天山花园(东门) 双流路267号" },{ "value": "钱记", "address": "上海市长宁区天山西路" },{ "value": "壹杯加", "address": "上海市长宁区通协路" },{ "value": "唦哇嘀咖", "address": "上海市长宁区新泾镇金钟路999号2幢（B幢）第01层第1-02A单元" },{ "value": "爱茜茜里(西郊百联)", "address": "长宁区仙霞西路88号1305室" },{ "value": "爱茜茜里(近铁广场)", "address": "上海市普陀区真北路818号近铁城市广场北区地下二楼N-B2-O2-C商铺" },{ "value": "鲜果榨汁（金沙江路和美广店）", "address": "普陀区金沙江路2239号金沙和美广场B1-10-6" },{ "value": "开心丽果（缤谷店）", "address": "上海市长宁区威宁路天山路341号" },{ "value": "超级鸡车（丰庄路店）", "address": "上海市嘉定区丰庄路240号" },{ "value": "妙生活果园（北新泾店）", "address": "长宁区新渔路144号" },{ "value": "香宜度麻辣香锅", "address": "长宁区淞虹路148号" },{ "value": "凡仔汉堡（老真北路店）", "address": "上海市普陀区老真北路160号" },{ "value": "港式小铺", "address": "上海市长宁区金钟路968号15楼15-105室" },{ "value": "蜀香源麻辣香锅（剑河路店）", "address": "剑河路443-1" },{ "value": "北京饺子馆", "address": "长宁区北新泾街道天山西路490-1号" },{ "value": "饭典*新简餐（凌空SOHO店）", "address": "上海市长宁区金钟路968号9号楼地下一层9-83室" },{ "value": "焦耳·川式快餐（金钟路店）", "address": "上海市金钟路633号地下一层甲部" },{ "value": "动力鸡车", "address": "长宁区仙霞西路299弄3号101B" },{ "value": "浏阳蒸菜", "address": "天山西路430号" },{ "value": "四海游龙（天山西路店）", "address": "上海市长宁区天山西路" },{ "value": "樱花食堂（凌空店）", "address": "上海市长宁区金钟路968号15楼15-105室" },{ "value": "壹分米客家传统调制米粉(天山店)", "address": "天山西路428号" },{ "value": "福荣祥烧腊（平溪路店）", "address": "上海市长宁区协和路福泉路255弄57-73号" },{ "value": "速记黄焖鸡米饭", "address": "上海市长宁区北新泾街道金钟路180号1层01号摊位" },{ "value": "红辣椒麻辣烫", "address": "上海市长宁区天山西路492号" },{ "value": "(小杨生煎)西郊百联餐厅", "address": "长宁区仙霞西路88号百联2楼" },{ "value": "阳阳麻辣烫", "address": "天山西路389号" },{ "value": "南拳妈妈龙虾盖浇饭", "address": "普陀区金沙江路1699号鑫乐惠美食广场A13" }];},querySearchAsync(queryString, cb) {var restaurants = this.restaurants;var results = queryString ? restaurants.filter(this.createStateFilter(queryString)) : restaurants;clearTimeout(this.timeout);this.timeout = setTimeout(() => {cb(results);}, 3000 * Math.random());},createStateFilter(queryString) {return (state) => {return (state.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);};},handleSelect(item) {console.log(item);},handleIconClick(ev) {console.log(ev);}},mounted() {this.restaurants = this.loadAll();},
}</script><!--https://element.eleme.cn/#/zh-CN/component/input#input-shu-ru-kuang
--><template><div class="el_input_root"><h2>Input 输入框</h2><h5>通过鼠标或键盘输入字符</h5><p>Input 为受控组件，它总会显示 Vue 绑定值。<br/>通常情况下，应当处理 input 事件，并更新组件的绑定值（或使用v-model）。否则，输入框内显示的值将不会改变。<br/>不支持 v-model 修饰符</p><div style="width: 300px;"><h3>一、基础用法</h3><el-input v-model="input" placeholder="请输入内容"></el-input><h3>二、禁用状态</h3><h5>通过 disabled 属性指定是否禁用 input 组件</h5><el-inputplaceholder="请输入内容"v-model="input":disabled="true"></el-input><h3>三、可清空</h3><h5>使用clearable属性即可得到一个可清空的输入框</h5><el-inputplaceholder="请输入内容"v-model="input"clearable></el-input><h3>四、密码框</h3><h5>使用show-password属性即可得到一个可切换显示隐藏的密码框</h5><el-input placeholder="请输入密码" v-model="input" show-password></el-input></div><div style="width: 600px;"><h3>五、带 icon 的输入框</h3><h5>带有图标标记输入类型</h5><h5>可以通过 prefix-icon 和 suffix-icon 属性在 input 组件首部和尾部增加显示图标，也可以通过 slot 来放置图标。</h5><el-row :gutter="4" type="flex" justify="left" align="middle"><el-col :span="3">属性方式:</el-col><el-col :span="8"><el-inputplaceholder="请选择日期"suffix-icon="el-icon-date"v-model="input1"></el-input></el-col><el-col :span="8"><el-inputplaceholder="请输入内容"prefix-icon="el-icon-search"v-model="input2"></el-input></el-col></el-row><el-row :gutter="4" type="flex" justify="left" align="middle"><el-col :span="3">slot 方式:</el-col><el-col :span="8"><el-inputplaceholder="请选择日期"v-model="input3"><i slot="suffix" class="el-input__icon el-icon-date"></i></el-input></el-col><el-col :span="8"><el-inputplaceholder="请输入内容"v-model="input4"><i slot="prefix" class="el-input__icon el-icon-search"></i></el-input></el-col></el-row><h3>六、文本域</h3><h5>用于输入多行文本信息，通过将 type 属性的值指定为 textarea。</h5><h5>文本域高度可通过 rows 属性控制</h5><div style="width: 300px"><el-inputtype="textarea":rows="2"placeholder="请输入内容"v-model="textarea"></el-input></div><h3>七、可自适应文本高度的文本域</h3><h5>通过设置 autosize 属性可以使得文本域的高度能够根据文本内容自动进行调整，并且 autosize还可以设定为一个对象，指定最小行数和最大行数。</h5><div style="width: 400px"><el-inputtype="textarea"autosizeplaceholder="请输入内容"v-model="textarea1"></el-input><div style="margin: 20px 0;"></div><el-inputtype="textarea":autosize="{ minRows: 2, maxRows: 4}"placeholder="请输入内容"v-model="textarea2"></el-input></div><h3>八、复合型输入框</h3><h5>可前置或后置元素，一般为标签或按钮</h5><h5>可通过 slot 来指定在 input 中前置或者后置内容。</h5><div><el-input placeholder="请输入内容" v-model="input5"><template slot="prepend">Http://</template></el-input></div><div style="margin-top: 15px;"><el-input placeholder="请输入内容" v-model="input6"><template slot="append">.com</template></el-input></div><div style="margin-top: 15px;"><el-input placeholder="请输入内容" v-model="input7" class="input-with-select"><el-select v-model="select" slot="prepend" placeholder="请选择"><el-option label="餐厅名" value="1"></el-option><el-option label="订单号" value="2"></el-option><el-option label="用户电话" value="3"></el-option></el-select><el-button slot="append" icon="el-icon-search"></el-button></el-input></div></div><div style="width: 1000px"><h3>九、尺寸</h3><h5>可通过 size 属性指定输入框的尺寸，除了默认的大小外，还提供了 medium、small 和 mini 三种尺寸。</h5><el-row :gutter="4"><el-col :span="6"><el-inputplaceholder="请输入内容"suffix-icon="el-icon-date"v-model="input1"></el-input></el-col><el-col :span="6"><el-inputsize="medium"placeholder="请输入内容"suffix-icon="el-icon-date"v-model="input2"></el-input></el-col><el-col :span="6"><el-inputsize="small"placeholder="请输入内容"suffix-icon="el-icon-date"v-model="input3"></el-input></el-col><el-col :span="6"><el-inputsize="mini"placeholder="请输入内容"suffix-icon="el-icon-date"v-model="input4"></el-input></el-col></el-row><h3>十、带输入建议</h3><h5>根据输入内容提供对应的输入建议</h5><p>autocomplete 是一个可带输入建议的输入框组件，fetch-suggestions 是一个返回输入建议的方法属性，如 querySearch(queryString, cb)，在该方法中你可以在你的输入建议数据准备好时通过 cb(data) 返回到 autocomplete 组件中。</p><el-row><el-col :span="12"><div class="sub-title">激活即列出输入建议</div><el-autocompleteclass="inline-input"v-model="state1":fetch-suggestions="querySearch"placeholder="请输入内容"@select="handleSelect"></el-autocomplete></el-col><el-col :span="12"><div class="sub-title">输入后匹配输入建议</div><el-autocompleteclass="inline-input"v-model="state2":fetch-suggestions="querySearch"placeholder="请输入内容":trigger-on-focus="false"@select="handleSelect"></el-autocomplete></el-col></el-row></div><h3>十一、自定义模板</h3><h5>可自定义输入建议的显示</h5><p>使用scoped slot自定义输入建议的模板。该 scope 的参数为item，表示当前输入建议对象。</p><el-autocompletepopper-class="my-autocomplete"v-model="state":fetch-suggestions="querySearch"placeholder="请输入内容"@select="handleSelect"><iclass="el-icon-edit el-input__icon"slot="suffix"@click="handleIconClick"></i><template slot-scope="{ item }"><div class="name">{{ item.value }}</div><span class="addr">{{ item.address }}</span></template></el-autocomplete><h3>十二、远程搜索</h3><h5>从服务端搜索数据</h5><el-autocompletev-model="state":fetch-suggestions="querySearchAsync"placeholder="请输入内容"@select="handleSelect"></el-autocomplete><h3>十三、输入长度限制</h3><h5>maxlength 和 minlength 是原生属性，用来限制输入框的字符长度，其中字符长度是用 Javascript 的字符串长度统计的。对于类型为 text 或 textarea 的输入框，在使用 maxlength 属性限制最大输入长度的同时，可通过设置 show-word-limit 属性来展示字数统计。</h5><div style="width: 600px"><el-row :gutter="4"><el-col :span="12"><el-inputtype="text"placeholder="请输入内容"v-model="text"maxlength="10"show-word-limit></el-input></el-col></el-row><div style="margin: 20px 0;"></div><el-inputtype="textarea"placeholder="请输入内容"v-model="textarea"maxlength="30"show-word-limit></el-input></div></div>
</template><style>
.el_input_root {margin-left: 300px;margin-right: 300px;text-align: left;
}.el-select .el-input {width: 130px;
}.input-with-select .el-input-group__prepend {background-color: #fff;
}.sub-title{font-size: 14px;text-align: left;
}.my-autocomplete {li {line-height: normal;padding: 7px;.name {text-overflow: ellipsis;overflow: hidden;}.addr {font-size: 12px;color: #b4b4b4;}.highlighted .addr {color: #ddd;}}
}</style>