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Mini Program Study Notes: Communication between Mini Program Components

2022-08-10 05:48:00 【Brahma pigeon】

Communication method between applet components

  1. The parent component accesses the child component through this.selectComponent(".component").setIndex(index), setIndex is a method defined by the child component, and setIndex can be used to modify the internal data of the component.
  2. The child component defines the parent component trigger event: triggerEvent(eventName, detail), eventName is the custom event name, detail is the event carrying parameter information

this.triggerEvent('clickTabControl', {

'index': index

    }, {})

The parent can bind the custom event when using the child component

bind:clickTabControl=clicktabcontrol />

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