ElInput example:

- 基础用法

```vue
<template>
  <el-input style="width: 180px;" v-model="input" placeholder="请输入内容"></el-input>
</template>

<script>
export default {
  data() {
    return {
      input: ''
    }
  }
}
</script>
```

- 文本域

```vue
<template>
  <el-input
    style="width: 300px;"
    type="textarea"
    :rows="2"
    placeholder="请输入内容"
    v-model="textarea">
  </el-input>
</template>

<script>
export default {
  data() {
    return {
      textarea: ''
    }
  }
}
</script>
```