直接在子组件中通过this.$parent.event来调用父组件的方法
父组件
<template>
<div>
<Child></Child>
</div>
</template>
<script>
import Child from './Child';
export default {
components: {
Child
},
methods: {
fatherMethod() {
console.log('测试!!!!');
}
}
};
</script>
子组件
<template>
<div>
<button @click="childMethod()">点击</button>
</div>
</template>
<script>
export default {
methods: {
childMethod() {
this.$parent.fatherMethod();
}
}
};
</script>
在子组件里用$emit向父组件触发一个事件,父组件监听这个事件
父组件
<template>
<div>
<Child @fMethod="fatherMethod"></Child>
</div>
</template>
<script>
import Child from './Child';
export default {
components: {
Child
},
methods: {
fatherMethod(data) {
console.log(data);
}
}
};
</script>
子组件
<template>
<div>
<button @click="childMethod()">点击</button>
</div>
</template>
<script>
export default {
methods: {
childMethod() {
this.$emit('fMethod',data);
}
}
};
</script>
父组件把方法传入子组件中,在子组件里直接调用
父组件
<template>
<div>
<child :fatherMethod="fatherMethod"></child>
</div>
</template>
<script>
import Child from './Child';
export default {
components: {
Child
},
methods: {
fatherMethod() {
console.log('测试!!!');
}
}
};
</script>
子组件
<template>
<div>
<button @click="childMethod()">点击</button>
</div>
</template>
<script>
export default {
props: {
fatherMethod: {
type: Function,
default: null
}
},
methods: {
childMethod() {
if (this.fatherMethod) {
this.fatherMethod();
}
}
}
};
</script>
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