UniApp global variables

Small programs developed using Uni-app, using global variables

In APP.vue, add globalData, such as adding a custom attribute courseIndex

export default {
	    globalData:{
	        courseIndex:0

        },
}

Use the following method to call in app.vue

 console.log("运行系统环境courseIndex" + this.$options.globalData.courseIndex)

Just call as follows in other pages, just as assignment read

let app = getApp()
app.globalData.courseIndex = 1;