778 lines
32 KiB
Markdown
778 lines
32 KiB
Markdown
## Input 输入框
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通过鼠标或键盘输入字符
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:::warning
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Input 为受控组件，它**总会显示 Vue 绑定值**。
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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。
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不支持 `v-model` 修饰符。
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:::
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### 基础用法
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:::demo
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```html
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<el-input v-model="input" placeholder="请输入内容"></el-input>
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<script>
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export default {
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data() {
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return {
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input: ''
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}
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}
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}
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</script>
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```
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:::
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### 禁用状态
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:::demo 通过 `disabled` 属性指定是否禁用 input 组件
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```html
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<el-input
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placeholder="请输入内容"
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v-model="input"
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:disabled="true">
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</el-input>
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<script>
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export default {
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data() {
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return {
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input: ''
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}
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}
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}
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</script>
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```
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:::
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### 可清空
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:::demo 使用`clearable`属性即可得到一个可清空的输入框
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```html
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<el-input
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placeholder="请输入内容"
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v-model="input"
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clearable>
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</el-input>
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<script>
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export default {
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data() {
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return {
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input: ''
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}
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}
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}
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</script>
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```
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:::
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### 密码框
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:::demo 使用`show-password`属性即可得到一个可切换显示隐藏的密码框
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```html
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<el-input placeholder="请输入密码" v-model="input" show-password></el-input>
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<script>
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export default {
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data() {
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return {
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input: ''
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}
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}
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}
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</script>
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```
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:::
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### 带 icon 的输入框
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带有图标标记输入类型
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:::demo 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。
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```html
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<div class="demo-input-suffix">
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属性方式：
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<el-input
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placeholder="请选择日期"
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suffix-icon="el-icon-date"
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v-model="input1">
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</el-input>
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<el-input
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placeholder="请输入内容"
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prefix-icon="el-icon-search"
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v-model="input2">
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</el-input>
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</div>
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<div class="demo-input-suffix">
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slot 方式：
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<el-input
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placeholder="请选择日期"
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v-model="input3">
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<i slot="suffix" class="el-input__icon el-icon-date"></i>
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</el-input>
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<el-input
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placeholder="请输入内容"
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v-model="input4">
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<i slot="prefix" class="el-input__icon el-icon-search"></i>
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</el-input>
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</div>
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<script>
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export default {
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data() {
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return {
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input1: '',
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input2: '',
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input3: '',
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input4: ''
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}
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}
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}
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</script>
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```
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:::
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### 文本域
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用于输入多行文本信息，通过将 `type` 属性的值指定为 textarea。
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:::demo 文本域高度可通过 `rows` 属性控制
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```html
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<el-input
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type="textarea"
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:rows="2"
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placeholder="请输入内容"
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v-model="textarea">
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</el-input>
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<script>
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export default {
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data() {
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return {
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textarea: ''
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}
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}
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}
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</script>
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```
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:::
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### 可自适应文本高度的文本域
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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。
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:::demo
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```html
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<el-input
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type="textarea"
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autosize
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placeholder="请输入内容"
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v-model="textarea1">
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</el-input>
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<div style="margin: 20px 0;"></div>
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<el-input
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type="textarea"
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:autosize="{ minRows: 2, maxRows: 4}"
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placeholder="请输入内容"
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v-model="textarea2">
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</el-input>
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<script>
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export default {
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data() {
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return {
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textarea1: '',
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textarea2: ''
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}
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}
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}
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</script>
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```
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:::
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### 复合型输入框
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可前置或后置元素，一般为标签或按钮
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:::demo 可通过 slot 来指定在 input 中前置或者后置内容。
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```html
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<div>
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<el-input placeholder="请输入内容" v-model="input1">
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<template slot="prepend">Http://</template>
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</el-input>
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</div>
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<div style="margin-top: 15px;">
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<el-input placeholder="请输入内容" v-model="input2">
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<template slot="append">.com</template>
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</el-input>
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</div>
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<div style="margin-top: 15px;">
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<el-input placeholder="请输入内容" v-model="input3" class="input-with-select">
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<el-select v-model="select" slot="prepend" placeholder="请选择">
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<el-option label="餐厅名" value="1"></el-option>
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<el-option label="订单号" value="2"></el-option>
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<el-option label="用户电话" value="3"></el-option>
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</el-select>
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<el-button slot="append" icon="el-icon-search"></el-button>
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</el-input>
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</div>
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<style>
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.el-select .el-input {
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width: 130px;
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}
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.input-with-select .el-input-group__prepend {
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background-color: #fff;
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}
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</style>
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<script>
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export default {
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data() {
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return {
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input1: '',
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input2: '',
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input3: '',
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select: ''
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}
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}
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}
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</script>
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```
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:::
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### 尺寸
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:::demo 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 large、small 和 mini 三种尺寸。
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```html
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<div class="demo-input-size">
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<el-input
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placeholder="请输入内容"
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suffix-icon="el-icon-date"
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v-model="input1">
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</el-input>
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<el-input
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size="medium"
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placeholder="请输入内容"
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suffix-icon="el-icon-date"
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v-model="input2">
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</el-input>
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<el-input
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size="small"
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placeholder="请输入内容"
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suffix-icon="el-icon-date"
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v-model="input3">
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</el-input>
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<el-input
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size="mini"
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placeholder="请输入内容"
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suffix-icon="el-icon-date"
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v-model="input4">
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</el-input>
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</div>
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<script>
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export default {
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data() {
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return {
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input1: '',
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input2: '',
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input3: '',
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input4: ''
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}
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}
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}
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</script>
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```
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:::
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### 带输入建议
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根据输入内容提供对应的输入建议
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:::demo 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。
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```html
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<el-row class="demo-autocomplete">
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<el-col :span="12">
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<div class="sub-title">激活即列出输入建议</div>
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<el-autocomplete
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class="inline-input"
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v-model="state1"
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:fetch-suggestions="querySearch"
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placeholder="请输入内容"
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@select="handleSelect"
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></el-autocomplete>
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</el-col>
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<el-col :span="12">
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<div class="sub-title">输入后匹配输入建议</div>
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<el-autocomplete
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class="inline-input"
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v-model="state2"
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:fetch-suggestions="querySearch"
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placeholder="请输入内容"
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:trigger-on-focus="false"
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@select="handleSelect"
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></el-autocomplete>
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</el-col>
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</el-row>
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<script>
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export default {
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data() {
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return {
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restaurants: [],
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state1: '',
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state2: ''
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};
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},
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methods: {
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querySearch(queryString, cb) {
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var restaurants = this.restaurants;
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var results = queryString ? restaurants.filter(this.createFilter(queryString)) : restaurants;
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// 调用 callback 返回建议列表的数据
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cb(results);
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},
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createFilter(queryString) {
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return (restaurant) => {
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return (restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0);
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};
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},
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loadAll() {
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return [
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{ "value": "三全鲜食（北新泾店）", "address": "长宁区新渔路144号" },
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{ "value": "Hot honey 首尔炸鸡（仙霞路）", "address": "上海市长宁区淞虹路661号" },
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{ "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" },
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{ "value": "泷千家(天山西路店)", "address": "天山西路438号" },
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{ "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" },
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{ "value": "贡茶", "address": "上海市长宁区金钟路633号" },
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{ "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" },
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{ "value": "茶芝兰（奶茶，手抓饼）", "address": "上海市普陀区同普路1435号" },
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{ "value": "十二泷町", "address": "上海市北翟路1444弄81号B幢-107" },
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{ "value": "星移浓缩咖啡", "address": "上海市嘉定区新郁路817号" },
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{ "value": "阿姨奶茶/豪大大", "address": "嘉定区曹安路1611号" },
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{ "value": "新麦甜四季甜品炸鸡", "address": "嘉定区曹安公路2383弄55号" },
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{ "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" },
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{ "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" },
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{ "value": "NONO JUICE 鲜榨果汁", "address": "上海市长宁区天山西路119号" },
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{ "value": "CoCo都可(北新泾店）", "address": "上海市长宁区仙霞西路" },
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{ "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" },
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{ "value": "Merci Paul cafe", "address": "上海市普陀区光复西路丹巴路28弄6号楼819" },
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{ "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" },
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{ "value": "枪会山", "address": "上海市普陀区棕榈路" },
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{ "value": "纵食", "address": "元丰天山花园(东门) 双流路267号" },
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{ "value": "钱记", "address": "上海市长宁区天山西路" },
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{ "value": "壹杯加", "address": "上海市长宁区通协路" },
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{ "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" },
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{ "value": "爱茜茜里(西郊百联)", "address": "长宁区仙霞西路88号1305室" },
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{ "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" },
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{ "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" },
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{ "value": "开心丽果（缤谷店）", "address": "上海市长宁区威宁路天山路341号" },
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{ "value": "超级鸡车（丰庄路店）", "address": "上海市嘉定区丰庄路240号" },
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{ "value": "妙生活果园（北新泾店）", "address": "长宁区新渔路144号" },
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{ "value": "香宜度麻辣香锅", "address": "长宁区淞虹路148号" },
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{ "value": "凡仔汉堡（老真北路店）", "address": "上海市普陀区老真北路160号" },
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{ "value": "港式小铺", "address": "上海市长宁区金钟路968号15楼15-105室" },
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{ "value": "蜀香源麻辣香锅（剑河路店）", "address": "剑河路443-1" },
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{ "value": "北京饺子馆", "address": "长宁区北新泾街道天山西路490-1号" },
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{ "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" },
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{ "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" },
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{ "value": "动力鸡车", "address": "长宁区仙霞西路299弄3号101B" },
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{ "value": "浏阳蒸菜", "address": "天山西路430号" },
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{ "value": "四海游龙（天山西路店）", "address": "上海市长宁区天山西路" },
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{ "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" },
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{ "value": "壹分米客家传统调制米粉(天山店)", "address": "天山西路428号" },
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{ "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" },
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{ "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" },
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{ "value": "红辣椒麻辣烫", "address": "上海市长宁区天山西路492号" },
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{ "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" },
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{ "value": "阳阳麻辣烫", "address": "天山西路389号" },
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{ "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" }
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];
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},
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handleSelect(item) {
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console.log(item);
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}
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},
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mounted() {
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this.restaurants = this.loadAll();
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}
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}
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</script>
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```
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:::
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### 自定义模板
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可自定义输入建议的显示
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:::demo 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。
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```html
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<el-autocomplete
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popper-class="my-autocomplete"
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v-model="state"
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:fetch-suggestions="querySearch"
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placeholder="请输入内容"
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@select="handleSelect">
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<i
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class="el-icon-edit el-input__icon"
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slot="suffix"
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@click="handleIconClick">
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</i>
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<template slot-scope="{ item }">
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<div class="name">{{ item.value }}</div>
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<span class="addr">{{ item.address }}</span>
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</template>
|
||
</el-autocomplete>
|
||
|
||
<style>
|
||
.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>
|
||
|
||
<script>
|
||
export default {
|
||
data() {
|
||
return {
|
||
restaurants: [],
|
||
state: ''
|
||
};
|
||
},
|
||
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" }
|
||
];
|
||
},
|
||
handleSelect(item) {
|
||
console.log(item);
|
||
},
|
||
handleIconClick(ev) {
|
||
console.log(ev);
|
||
}
|
||
},
|
||
mounted() {
|
||
this.restaurants = this.loadAll();
|
||
}
|
||
}
|
||
</script>
|
||
```
|
||
:::
|
||
|
||
### 远程搜索
|
||
|
||
从服务端搜索数据
|
||
|
||
:::demo
|
||
```html
|
||
<el-autocomplete
|
||
v-model="state"
|
||
:fetch-suggestions="querySearchAsync"
|
||
placeholder="请输入内容"
|
||
@select="handleSelect"
|
||
></el-autocomplete>
|
||
<script>
|
||
export default {
|
||
data() {
|
||
return {
|
||
restaurants: [],
|
||
state: '',
|
||
timeout: null
|
||
};
|
||
},
|
||
methods: {
|
||
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);
|
||
}
|
||
},
|
||
mounted() {
|
||
this.restaurants = this.loadAll();
|
||
}
|
||
};
|
||
</script>
|
||
```
|
||
:::
|
||
|
||
### 输入长度限制
|
||
|
||
:::demo `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。
|
||
```html
|
||
<el-input
|
||
type="text"
|
||
placeholder="请输入内容"
|
||
v-model="text"
|
||
maxlength="10"
|
||
show-word-limit
|
||
>
|
||
</el-input>
|
||
<div style="margin: 20px 0;"></div>
|
||
<el-input
|
||
type="textarea"
|
||
placeholder="请输入内容"
|
||
v-model="textarea"
|
||
maxlength="30"
|
||
show-word-limit
|
||
>
|
||
</el-input>
|
||
|
||
<script>
|
||
export default {
|
||
data() {
|
||
return {
|
||
text: '',
|
||
textarea: ''
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
```
|
||
:::
|
||
|
||
### Input Attributes
|
||
|
||
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
|
||
|------------- |---------------- |---------------- |---------------------- |-------- |
|
||
| type | 类型 | string | text，textarea 和其他 [原生 input 的 type 值](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#Form_%3Cinput%3E_types) | text |
|
||
| value / v-model | 绑定值 | string / number | — | — |
|
||
| maxlength | 原生属性，最大输入长度 | number | — | — |
|
||
| minlength | 原生属性，最小输入长度 | number | — | — |
|
||
| show-word-limit | 是否显示输入字数统计，只在 `type = "text"` 或 `type = "textarea"` 时有效 | boolean | — | false |
|
||
| placeholder | 输入框占位文本 | string | — | — |
|
||
| clearable | 是否可清空 | boolean | — | false |
|
||
| show-password | 是否显示切换密码图标| boolean | — | false |
|
||
| disabled | 禁用 | boolean | — | false |
|
||
| size | 输入框尺寸，只在 `type!="textarea"` 时有效 | string | medium / small / mini | — |
|
||
| prefix-icon | 输入框头部图标 | string | — | — |
|
||
| suffix-icon | 输入框尾部图标 | string | — | — |
|
||
| rows | 输入框行数，只对 `type="textarea"` 有效 | number | — | 2 |
|
||
| autosize | 自适应内容高度，只对 `type="textarea"` 有效，可传入对象，如，{ minRows: 2, maxRows: 6 } | boolean / object | — | false |
|
||
| autocomplete | 原生属性，自动补全 | string | on, off | off |
|
||
| auto-complete | 下个主版本弃用 | string | on, off | off |
|
||
| name | 原生属性 | string | — | — |
|
||
| readonly | 原生属性，是否只读 | boolean | — | false |
|
||
| max | 原生属性，设置最大值 | — | — | — |
|
||
| min | 原生属性，设置最小值 | — | — | — |
|
||
| step | 原生属性，设置输入字段的合法数字间隔 | — | — | — |
|
||
| resize | 控制是否能被用户缩放 | string | none, both, horizontal, vertical | — |
|
||
| autofocus | 原生属性，自动获取焦点 | boolean | true, false | false |
|
||
| form | 原生属性 | string | — | — |
|
||
| label | 输入框关联的label文字 | string | — | — |
|
||
| tabindex | 输入框的tabindex | string | - | - |
|
||
| validate-event | 输入时是否触发表单的校验 | boolean | - | true |
|
||
|
||
### Input Slots
|
||
| name | 说明 |
|
||
|------|--------|
|
||
| prefix | 输入框头部内容，只对 `type="text"` 有效 |
|
||
| suffix | 输入框尾部内容，只对 `type="text"` 有效 |
|
||
| prepend | 输入框前置内容，只对 `type="text"` 有效 |
|
||
| append | 输入框后置内容，只对 `type="text"` 有效 |
|
||
|
||
### Input Events
|
||
| 事件名称 | 说明 | 回调参数 |
|
||
|---------|--------|---------|
|
||
| blur | 在 Input 失去焦点时触发 | (event: Event) |
|
||
| focus | 在 Input 获得焦点时触发 | (event: Event) |
|
||
| change | 仅在输入框失去焦点或用户按下回车时触发 | (value: string \| number) |
|
||
| input | 在 Input 值改变时触发 | (value: string \| number) |
|
||
| clear | 在点击由 `clearable` 属性生成的清空按钮时触发 | — |
|
||
|
||
### Input Methods
|
||
| 方法名 | 说明 | 参数 |
|
||
| ---- | ---- | ---- |
|
||
| focus | 使 input 获取焦点 | — |
|
||
| blur | 使 input 失去焦点 | — |
|
||
| select | 选中 input 中的文字 | — |
|
||
|
||
### Autocomplete Attributes
|
||
|
||
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
|
||
|------------- |---------------- |---------------- |---------------------- |-------- |
|
||
| placeholder | 输入框占位文本 | string | — | — |
|
||
| disabled | 禁用 | boolean | — | false |
|
||
| value-key | 输入建议对象中用于显示的键名 | string | — | value |
|
||
| value | 必填值，输入绑定值 | string | — | — |
|
||
| debounce | 获取输入建议的去抖延时 | number | — | 300 |
|
||
| placement | 菜单弹出位置 | string | top / top-start / top-end / bottom / bottom-start / bottom-end | bottom-start |
|
||
| fetch-suggestions | 返回输入建议的方法，仅当你的输入建议数据 resolve 时，通过调用 callback(data:[]) 来返回它 | Function(queryString, callback) | — | — |
|
||
| popper-class | Autocomplete 下拉列表的类名 | string | — | — |
|
||
| trigger-on-focus | 是否在输入框 focus 时显示建议列表 | boolean | — | true |
|
||
| name | 原生属性 | string | — | — |
|
||
| select-when-unmatched | 在输入没有任何匹配建议的情况下，按下回车是否触发 `select` 事件 | boolean | — | false |
|
||
| label | 输入框关联的label文字 | string | — | — |
|
||
| prefix-icon | 输入框头部图标 | string | — | — |
|
||
| suffix-icon | 输入框尾部图标 | string | — | — |
|
||
| hide-loading | 是否隐藏远程加载时的加载图标 | boolean | — | false |
|
||
| popper-append-to-body | 是否将下拉列表插入至 body 元素。在下拉列表的定位出现问题时，可将该属性设置为 false | boolean | - | true |
|
||
| highlight-first-item | 是否默认突出显示远程搜索建议中的第一项 | boolean | — | false |
|
||
|
||
### Autocomplete Slots
|
||
| name | 说明 |
|
||
|------|--------|
|
||
| prefix | 输入框头部内容 |
|
||
| suffix | 输入框尾部内容 |
|
||
| prepend | 输入框前置内容 |
|
||
| append | 输入框后置内容 |
|
||
|
||
### Autocomplete Scoped Slot
|
||
| name | 说明 |
|
||
|------|--------|
|
||
| — | 自定义输入建议，参数为 { item } |
|
||
|
||
### Autocomplete Events
|
||
| 事件名称 | 说明 | 回调参数 |
|
||
|---------|--------|---------|
|
||
| select | 点击选中建议项时触发 | 选中建议项 |
|
||
| change | 在 Input 值改变时触发 | (value: string \| number) |
|
||
|
||
### Autocomplete Methods
|
||
| 方法名 | 说明 | 参数 |
|
||
| ---- | ---- | ---- |
|
||
| focus | 使 input 获取焦点 | - |
|