**1、父组件**
<div class="inquire">
<headerTable :messageSon="messageson" @headerTableSaid="messageDaughter($event)" />
</div>
<div class="table">
<centerTable :messageDaughter="messagedaughter" @centerTableSaid="messageSon($event)" />
</div>
messageDaughter(message) {
this.messagedaughter = message;
console.log(this.messagedaughter)**//这里打印内容和子组件A的打印内容是一样的(是一个object,也就是this.form)**
},
messageSon(message) {
this.messageson = message;
},
**2、子组件A**
name: 'headerTableSaid',
props: ['messageSon'],
onSubmit() {
this.$emit('headerTableSaid', this.form)
console.log(this.form)
},
**3、子组件B**
name: 'centerTableSaid',
props: ['messageDaughter'],
created() {
console.log(this.messageDaughter)**//这里打印内容为空**
},