监听事件
v-on
可以简写成@click
指令监听,当点击button按钮,counter变量就会加一
<template>
<view class="demo">
<button @click="counter +=1">add 1</button>
<view>{{counter}}</view>
</view>
</template>
<script>
export default {
data() {
return {
counter: 0
}
}
}
</script>
事件处理方法
<template>
<view class="demo">
<button @click="greet">Greet</button>
</view>
</template>
<script>
export default {
data() {
return {
name: 'uni-app'
}
},
methods: {
greet() {
// `this`在方法中指向Vue实例
console.log('Hello '+ this.name)
}
}
}
</script>
除了直接绑定一个方法,也可以在内联语句中调用方法
<template>
<view class="demo">
<button @click="say('hi')">Say hi</button>
<button @click="say('hello')">Say hello</button>
</view>
</template>
<script>
export default {
data() {
return {}
},
methods: {
say(message) {
console.log(message)
}
}
}
</script>