更改折线选项传单

Question

我想在构建之后更改分配给Leaflet折线（然后渲染它）的选项：

// Add polyline
var polyline = L.polyline([], {weight:weight, opacity:1, color:'gray'}).addTo(map);

// Attempts to change color
polyline.options.color = 'blue' // doesn't render
polyline.options.color('blue') // throws error
polyline({color:'blue'}) // throws error
polyline._updateStyle(polyline) // throws error: not sure how exactly this works
polyline._updateStyle() // throws error
polyline({color:blue}) // throws error

这可能吗？

Answer 1

L.Polyline从L.Path扩展而来setStyle方法：

polyline.setStyle({
    color: 'black'
});

示例：http://plnkr.co/edit/kfLcoG?p=preview

参考：http://leafletjs.com/reference.html#path