📄 dfdf.html
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<HTML>
<HEAD>
<TITLE>画线</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD>
<body bgcolor=#ffffff>
<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>
<span style="font-size:9pt"> 点击鼠标开始画，再次点击鼠标停止，不行的话，刷新一次页面</span>
</body>
</HTML>
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