电子围栏绘制方案：
- 采用leaflet绘制电子围栏 可以看对应api文档 。
- 原生是英文，所以要重定义，直接覆盖下面的 leaflet.draw-cn.js 文件
-
L.drawLocal = {draw: {toolbar: {// #TODO: this should be reorganized where actions are nested in actions// ex: actions.undo or actions.cancelactions: {title: '取消绘图',//'Cancel drawing',text: '',//'Cancel'},finish: {title: '完成绘图',//'Finish drawing',text: 'Finish'},undo: {title: '删除最后绘制的点',//'Delete last point drawn',text: '',//'Delete last point'},buttons: {polyline: '绘制一个多段线',//'Draw a polyline',polygon: '绘制一个多边形',//'Draw a polygon',rectangle: '绘制一个矩形',//'Draw a rectangle',circle: '绘制一个圆',//'Draw a circle',marker: '绘制一个标记',//'Draw a marker',circlemarker: '绘制一个圆形标记',//'Draw a circlemarker'}},handlers: {circle: {tooltip: {start: '单击并拖动以绘制圆',//'Click and drag to draw circle.'},radius: 'Radius'},circlemarker: {tooltip: {start: '单击“地图”以放置圆标记',//'Click map to place circle marker.'}},marker: {tooltip: {start: '单击“地图”以放置标记',//'Click map to place marker.'}},polygon: {tooltip: {start: '单击开始绘制形状',//'Click to start drawing shape.',cont: '单击继续绘制形状',//'Click to continue drawing shape.',end: '单击第一个点关闭此形状',//'Click first point to close this shape.'}},polyline: {error: '<strong>错误:</strong>形状边缘不能交叉！',//'<strong>Error:</strong> shape edges cannot cross!',tooltip: {start: '单击开始绘制线',//'Click to start drawing line.',cont: '单击以继续绘制线',//'Click to continue drawing line.',end: '单击“最后一点”以结束线',//'Click last point to finish line.'}},rectangle: {tooltip: {start: '单击并拖动以绘制矩形',//'Click and drag to draw rectangle.'}},simpleshape: {tooltip: {end: '释放鼠标完成绘图',//'Release mouse to finish drawing.'}}}},edit: {toolbar: {actions: {save: {title: '保存更改',//'Save changes',text: '保存',//'Save'},cancel: {title: '取消编辑，放弃所有更改',//'Cancel editing, discards all changes',text: '取消',//'Cancel'},clearAll: {title: '清除所有图层',//'Clear all layers',text: '清除所有',//'Clear All'}},buttons: {edit: '编辑图层',//'Edit layers',editDisabled: '无可编辑的图层',//'No layers to edit',remove: '删除图层',//'Delete layers',removeDisabled: '无可删除的图层',//'No layers to delete'}},handlers: {edit: {tooltip: {text: '拖动控制柄或标记以编辑要素',//'Drag handles or
