button type=button和type=default的区别
时间: 2023-10-10 17:14:30 浏览: 40
button type=button表示该按钮只是一个普通的按钮,点击后不会提交表单或执行任何其他操作,需要通过JavaScript来定义其点击事件。
而type=default(或者不设置type属性)表示该按钮是表单的默认按钮,即在用户按下回车键时会自动触发该按钮的点击事件,提交表单或执行其他操作。只要表单中有一个按钮设置了type=default,即使其他按钮设置了type=submit,也不会成为默认按钮。
相关问题
vue 写一个type=button
好的,这是一个带有 `type="button"` 属性的 Vue 按钮组件:
```
<template>
<button type="button" @click="handleClick">{{ buttonText }}</button>
</template>
<script>
export default {
data() {
return {
buttonText: 'Click me!'
}
},
methods: {
handleClick() {
console.log('Button clicked!')
}
}
}
</script>
```
在这个组件中,我们使用了 `type="button"` 来指定这是一个普通的按钮,而不是提交按钮或重置按钮。其他部分与之前的示例相同。
<div class="main-kline-cycle"> <el-button type="info" :class="{ active: activeButton === '1m' }" @click="handleButtonClick('1m')">1m</el-button> <el-button type="info" :class="{ active: activeButton === '5m' }" @click="handleButtonClick('5m')">5m</el-button> <el-button type="info" :class="{ active: activeButton === '30m' }" @click="handleButtonClick('30m')">30m</el-button> <el-button type="info" :class="{ active: activeButton === '1h' }" @click="handleButtonClick('1h')">1h</el-button> <el-button type="info" :class="{ active: activeButton === '4h' }" @click="handleButtonClick('4h')">4h</el-button> <el-button type="info" :class="{ active: activeButton === '1d' }" @click="handleButtonClick('1d')">1d</el-button> <el-button type="info" :class="{ active: activeButton === '1w' }" @click="handleButtonClick('1w')">1w</el-button> </div> 这段代码中 怎么控制按钮高亮的?
在这段代码中,按钮的高亮通过 `:class` 绑定和 `activeButton` 数据来控制。具体步骤如下:
1. 在 Vue 组件的 `data` 中定义一个 `activeButton` 属性,用于跟踪当前高亮的按钮:
```javascript
export default {
data() {
return {
activeButton: '1m' // 初始化为默认高亮的按钮值
}
},
// ...
}
```
2. 在模板中使用 `:class` 绑定来设置按钮的样式,并使用条件判断 `activeButton === '按钮值'` 来决定是否添加 `active` 类:
```html
<template>
<div class="main-kline-cycle">
<el-button type="info" :class="{ active: activeButton === '1m' }" @click="handleButtonClick('1m')">1m</el-button>
<el-button type="info" :class="{ active: activeButton === '5m' }" @click="handleButtonClick('5m')">5m</el-button>
<el-button type="info" :class="{ active: activeButton === '30m' }" @click="handleButtonClick('30m')">30m</el-button>
<el-button type="info" :class="{ active: activeButton === '1h' }" @click="handleButtonClick('1h')">1h</el-button>
<el-button type="info" :class="{ active: activeButton === '4h' }" @click="handleButtonClick('4h')">4h</el-button>
<el-button type="info" :class="{ active: activeButton === '1d' }" @click="handleButtonClick('1d')">1d</el-button>
<el-button type="info" :class="{ active: activeButton === '1w' }" @click="handleButtonClick('1w')">1w</el-button>
</div>
</template>
```
3. 在方法中定义 `handleButtonClick`,用于更新 `activeButton` 的值:
```javascript
export default {
// ...
methods: {
handleButtonClick(buttonValue) {
this.activeButton = buttonValue;
}
}
}
```
这样,当按钮被点击时,`activeButton` 的值会更新,从而改变按钮的高亮状态。你可以根据实际需求修改样式和按钮的值。