<template> <div> <div v-for="(item, index) in items" :key="index" class="row"> <button :disabled="!start || !item.checked" @click="clickButton(index, item.delay)" :class="{ active: item.active }" > Button {{ index + 1 }} <span v-if="item.active" class="click-animation"></span> </button> <input type="checkbox" v-model="item.checked" :disabled="!start"/> </div> <button :class="{ start: start, stop: !start }" @click="startStop">{{ start ? 'Stop' : 'Start' }}</button> </div> </template> <script> export default { data () { return { items: [ {checked: false, delay: 100, active: false}, {checked: false, delay: 200, active: false}, {checked: false, delay: 300, active: false}, {checked: false, delay: 400, active: false} ], start: true, intervalIds: [] } }, methods: { clickButton (index, delay) { this.items[index].active = true setTimeout(() => { console.log(Clicked button ${index + 1}) this.items[index].active = false }, 100) if (this.items[2].checked) { setTimeout(() => { console.log('Clicked button 1 of the third row') }, delay) setTimeout(() => { console.log('Clicked button 3 of the third row') }, delay + 300) } }, startStop () { this.start = !this.start if (this.start) { this.intervalIds.forEach((id) => clearInterval(id)) } else { this.intervalIds = this.items.map((item, index) => { if (item.checked) { return setInterval(() => { this.clickButton(index, item.delay) }, item.delay) } else { return null } }) } } } } </script>如何将第一行按钮规则改成每次点击开始后每0.1秒执行

要将第一行按钮规则改成每次点击开始后每0.1秒执行，可以修改clickButton方法中的setTimeout函数，将延迟时间设为0.1秒，并将console.log语句移入setTimeout函数中。具体修改如下：

clickButton (index, delay) {
  this.items[index].active = true
  setTimeout(() => {
    console.log(`Clicked button ${index + 1}`)
    this.items[index].active = false
  }, 100)

  if (this.items[2].checked) {
    setTimeout(() => {
      console.log('Clicked button 1 of the third row')
    }, delay)
    setTimeout(() => {
      console.log('Clicked button 3 of the third row')
    }, delay + 300)
  }

  if (index === 0) {
    setTimeout(() => {
      this.clickButton(index, delay)
    }, 100)
  }
}

这样修改后，当点击第一行按钮时，会在开始后立即执行一次clickButton方法，并且每0.1秒执行一次，直到该按钮被停止或取消勾选。

相关问题

<template> <div> <div v-for="(item, index) in items" :key="index" class="row"> <button :disabled="!start || !item.checked" @click="clickButton(index, item.delay)" :class="{ active: item.active }" > Button {{ index + 1 }} <span v-if="item.active" class="click-animation"></span> </button> <input type="checkbox" v-model="item.checked" :disabled="!start"/> </div> <button :class="{ start: start, stop: !start }" @click="startStop">{{ start ? 'Stop' : 'Start' }}</button> </div> </template> <script> export default { data () { return { items: [ {checked: false, delay: 100, active: false}, {checked: false, delay: 200, active: false}, {checked: false, delay: 300, active: false}, {checked: false, delay: 400, active: false} ], start: true, intervalIds: [] } }, methods: { clickButton (index, delay) { this.items[index].active = true setTimeout(() => { console.log(`Clicked button ${index + 1}`) this.items[index].active = false }, 100) if (this.items[2].checked) { setTimeout(() => { console.log('Clicked button 1 of the third row') }, delay) setTimeout(() => { console.log('Clicked button 3 of the third row') }, delay + 300) } }, startStop () { this.start = !this.start if (this.start) { this.intervalIds.forEach((id) => clearInterval(id)) } else { this.intervalIds = this.items.map((item, index) => { if (item.checked) { return setInterval(() => { this.clickButton(index, item.delay) }, item.delay) } else { return null } }) } } } } </script>如何将第一行按钮的挨骂也改成点击开始和每0.1秒执行一下

您可以在模板中将第一行按钮的文本从 "Button 1" 更改为 "开始"，然后将其点击事件绑定到一个新的方法 `startClick` 上。在 `startClick` 方法中，您可以使用 `setInterval` 方法来执行 `clickButton` 方法，以便每隔 0.1 秒点击一下按钮。以下是修改后的代码示例：

<template>
  <div>
    <div v-for="(item, index) in items" :key="index" class="row">
      <button
        v-if="index === 0"
        :disabled="!start || !item.checked"
        @click="startClick"
        :class="{ active: item.active }"
      >
        {{ start ? '开始' : '停止' }}
        <span v-if="item.active" class="click-animation"></span>
      </button>
      <button
        v-else
        :disabled="!start || !item.checked"
        @click="clickButton(index, item.delay)"
        :class="{ active: item.active }"
      >
        Button {{ index }}
        <span v-if="item.active" class="click-animation"></span>
      </button>
      <input type="checkbox" v-model="item.checked" :disabled="!start"/>
    </div>
    <button :class="{ start: start, stop: !start }" @click="startStop">{{ start ? 'Stop' : 'Start' }}</button>
  </div>
</template>

<script>
export default {
  data () {
    return {
      items: [
        {checked: false, delay: 100, active: false},
        {checked: false, delay: 200, active: false},
        {checked: false, delay: 300, active: false},
        {checked: false, delay: 400, active: false}
      ],
      start: true,
      intervalIds: []
    }
  },
  methods: {
    clickButton (index, delay) {
      this.items[index].active = true
      setTimeout(() => {
        console.log(`Clicked button ${index}`)
        this.items[index].active = false
      }, 100)
      if (this.items[2].checked) {
        setTimeout(() => {
          console.log('Clicked button 1 of the third row')
        }, delay)
        setTimeout(() => {
          console.log('Clicked button 3 of the third row')
        }, delay + 300)
      }
    },
    startClick () {
      if (this.start) {
        this.start = false
        this.intervalIds.forEach((id) => clearInterval(id))
      } else {
        this.start = true
        this.intervalIds = this.items.map((item, index) => {
          if (item.checked) {
            return setInterval(() => {
              this.clickButton(index, item.delay)
            }, 100)
          } else {
            return null
          }
        })
      }
    },
    startStop () {
      this.start = !this.start
      if (this.start) {
        this.intervalIds.forEach((id) => clearInterval(id))
      } else {
        this.intervalIds = this.items.map((item, index) => {
          if (item.checked) {
            return setInterval(() => {
              this.clickButton(index, item.delay)
            }, item.delay)
          } else {
            return null
          }
        })
      }
    }
  }
}
</script>

// 添加新数据 increase(row) { console.log(row); // console.log(this.titlelist12 ,'添加'); // this.titlelist12[0] = row.value.concat({ '新键': '' }); // 使用 concat 方法将数组与要添加的对象合并 console.log(this.titlelist12[0].value.concat({ '新键': '' }) ,'添加'); }上面的代码是这样的 <el-table-column width="500" label="变量值" align="center"> <template slot-scope="scope"> <div style="display: flex;justify-items: center;"> <div style="margin-right: 222px;">键名</div> <div>键值</div> </div> <div v-for="(value, key) in scope.row.value" :key="key" style="display: flex"> <el-input v-model="key" placeholder="请输入内容"></el-input> <el-input v-model="scope.row.value[key]" placeholder="请输入内容"></el-input> </div> <el-button type="primary" icon="el-icon-plus" class="handle-del" @click="increase(scope.row)">添加</el-button> </template> </el-table-column>为什么会报错呢

根据代码片段来看，报错的原因可能是因为 `this.titlelist12` 未定义。在这段代码中，`this.titlelist12` 是一个数组，但是并没有看到它在代码中被定义或者初始化。如果要使用这个数组，需要先在 Vue 实例中定义和初始化它。例如，在 Vue 实例的 `data` 中添加 `titlelist12` 属性：

data() {
    return {
        titlelist12: [],
        // 其他属性...
    }
}

这样就可以在 Vue 实例中使用 `this.titlelist12` 数组了。另外，也需要检查其他相关的代码，确保变量名和函数名的拼写没有错误，以及其他语法错误。