微信小程序城市範圍畫線
![在這裏插入圖片描述]()
- 用的微信小程序原生的map組件多邊形polygons 將傳入的經緯度連接起來
- 參數：
- points：經緯度數組 array [{latitude: 0, longitude: 0}] 城市邊框經緯度
- strokeWidth：描邊的寬度 number
- strokeColor：描邊的顏色 string 十六進制
- fillColor：填充顏色 string 十六進制 十六進制透明度對照表
- zIndex：設置多邊形Z軸數值 number
<map polygons="{{polygon}}" longitude="{{longitude}}" latitude="{{latitude}}"'></map>```
```javascript
polygon:[{ //此處爲北京區屬周邊數組 其他城市或精確到區級請去“http://datav.aliyun.com/tools/atlas/#&lat=33.578014746143985&lng=104.150390625&zoom=3”獲取JSON文件
points: [
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],
fillColor: "#4F94CD33",
// fillColor: "#ffff0033",
strokeColor: "#FFF",
strokeWidth: 2,
zIndex: 1
}]
