在页面中画线
下面为效果显示
脚本说明: 把如下代码加入<body>区域中 <script> var winW= document.body.clientWidth; var winH= document.body.clientHeight; var MyStr="<object id=DDraw classid=\"clsid:369303C2-D7AC-11d0-89D5-00A0C90833E6\""; MyStr+=" style=\"position:absolute;left:0;top:0;width:"; MyStr+=winW; MyStr+=";height:"; MyStr+=winH; MyStr+="\"></object>"; document.write(MyStr); </script> <script language=javascript> var IsClick=0; var MouseX0=0; var MouseY0=0; function MyDraw(){ if (IsClick) { if ((MouseX0==0)&&(MouseY0==0)){ MouseX0=event.clientX-winW/2; MouseY0=event.clientY-winH/2; } MouseX=event.clientX-winW/2; MouseY=event.clientY-winH/2; var Canvas=DDraw.DrawSurface; var Lib=DDraw.Library; Canvas.FillColor(Lib.red); Canvas.Line(MouseX0,MouseY0,MouseX,MouseY); DDraw.DrawSurface=Canvas; MouseX0=MouseX; MouseY0=MouseY; } } function MyClick(){ IsClick=!IsClick; MouseX0=event.clientX-winW/2; MouseY0=event.clientY-winH/2; } document.onclick=MyClick; document.onmousemove=MyDraw; </script>