Google地图勾经纬度工具,使用方式:点击画线后点击鼠标进行选点,选点后会打印点击的坐标点并画线,可以撤销和清除画线-Google Maps latitude and longitude hook tool, click the mouse to draw a line and click on the choice of site, will print the selected point coordinates of the point and click to draw lines,