微信小程序页面调用自定义组件内的事件详解

{
  "usingComponents": {
    "my-component": "../components/component/component",
  }
}

<my-component id="myComponent"></my-component>

Page({
 //...
 onLoad: function () {
  let myComponent = this.selectComponent('#myComponent'); // 页面获取自定义组件实例
  myComponent.componentInnerFunction(); // 通过实例调用组件事件
 }
 //...
})

Component({
  //...
  methods: {
    componentInnerFunction: function() {
      console.log('i am inner function');
    }
  }
  //...
})