上代码:

[javascript] view plain copy 1.var point = []
2.var that2

3. 6.function drawline() {
6. that2.setData({
7. polyline: [{
8. points: point,
9. color: “#99FF00”,
10. width: 4,
11. dottedLine: false
12. }],
15. })
17. 21.}
    22.//获取经纬度
    23.function getlocation() {
18. var latitude1, longitude1
19. wx.getLocation({
20. type: ‘gcj02’,
21. success: function (res) {
23. latitude1 = res.latitude
24. longitude1 = res.longitude
25. point.push({latitude:latitude1, longitude:longitude1})
26. console.log(point)
27. }
28. })
29. 36.}
31. 39.Page({
32. data: {
33. polyline: []
36. },
42. onReady: function () {
43. that2 = this
44. wx.getLocation({
45. type: ‘gcj02’,
46. success: function (res) {
47. that2.setData({
48. long: res.longitude,
49. lat: res.latitude
51. })
53. }
54. })
56. },
59. start:function(){
62. this.timer=setInterval(repeat, 10000);
65. function repeat() {
66. console.log(“re”)
67. getlocation()
68. drawline()
69. }
71. },
73. end: function () {
74. console.log(“clear”)
75. clearInterval(this.timer)
77. }
79. 88.})