# Collapse 折叠面板

# 样例

点击以下按钮来显示或隐藏一些内容：

Hi there.

<template>
  <div class="uiv">
    <div>
      <btn type="primary" @click="show = !show">Click me!</btn>
    </div>
    <br />
    <collapse v-model="show">
      <div class="well" style="margin-bottom: 0">Hi there.</div>
    </collapse>
  </div>
</template>
<script>
export default {
  data() {
    return {
      show: false,
    }
  },
}
</script>

# 手风琴

通过拓展折叠面板来实现手风琴效果：

Collapsible Group Item #1

Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.

Collapsible Group Item #2

Collapsible Group Item #3

<template>
  <div class="panel-group uiv">
    <div class="panel panel-default">
      <div class="panel-heading" role="button" @click="toggleAccordion(0)">
        <h4 class="panel-title">Collapsible Group Item #1</h4>
      </div>
      <collapse v-model="showAccordion[0]">
        <div class="panel-body">
          Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus
          terry richardson ad squid. 3 wolf moon officia aute, non cupidatat
          skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.
        </div>
      </collapse>
    </div>
    <div class="panel panel-default">
      <div class="panel-heading" role="button" @click="toggleAccordion(1)">
        <h4 class="panel-title">Collapsible Group Item #2</h4>
      </div>
      <collapse v-model="showAccordion[1]">
        <div class="panel-body">
          Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus
          terry richardson ad squid. 3 wolf moon officia aute, non cupidatat
          skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.
        </div>
      </collapse>
    </div>
    <div class="panel panel-info">
      <div class="panel-heading" role="button" @click="toggleAccordion(2)">
        <h4 class="panel-title">Collapsible Group Item #3</h4>
      </div>
      <collapse v-model="showAccordion[2]">
        <div class="panel-body">
          Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus
          terry richardson ad squid. 3 wolf moon officia aute, non cupidatat
          skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.
        </div>
      </collapse>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      showAccordion: [true, false, false],
    }
  },
  methods: {
    toggleAccordion(index) {
      if (this.showAccordion[index]) {
        this.$set(this.showAccordion, index, false)
      } else {
        this.showAccordion = this.showAccordion.map((v, i) => i === index)
      }
    },
  },
}
</script>

# API 文档

# Collapse (opens new window)

# 参数

名字	类型	默认值	必填	描述
`v-model`	Boolean	false	✔	显示或隐藏
`tag`	String	div		渲染使用的 HTML 标签
`transition`	Number	350		折叠动画速度，设置为 0 以禁用动画

# 插槽

名字	描述
`default`	Replace as the collapse body.

# 事件

名字	参数	描述
`show`		该事件会在 v-model 设置为 true 后立触发
`shown`		该事件会在折叠内容完全展示后触发（将等待动画结束）
`hide`		该事件会在 v-model 设置为 false 后立触发
`hidden`		该事件会在折叠内容完全隐藏后触发（将等待动画结束）

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