How to realize Map underlining by WeChat Mini Programs

This article will explain in detail how WeChat Mini Programs realizes map marking. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

WeChat Mini Programs map underlining is a very basic function of Mini Program, so how to achieve Mini Program map underlining?

Var point = [] var that2function drawline () {that2.setData ({polyline: [{points: point, color: "# 99FF00", width: 4, dottedLine: false}],})} / / get latitude and longitude function getlocation () {var latitude1, longitude1 wx.getLocation ({type: 'gcj02') Success: function (res) {latitude1 = res.latitude longitude1 = res.longitude point.push ({latitude:latitude1, longitude:longitude1}) console.log (point)})} Page ({data: {polyline: []}, onReady: function () {that2 = this wx.getLocation ({type: 'gcj02') Success: function (res) {that2.setData ({long: res.longitude, lat: res.latitude})})}, start:function () {this.timer=setInterval (repeat, 10000) Function repeat () {console.log ("re") getlocation () drawline ()}, end: function () {console.log ("clear") clearInterval (this.timer)})

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