VML学习（一）
1、什么是VML
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2.、VML有何用處
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3、簡(jiǎn)單例子
IE下：
<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>第一個(gè)VML范例</title> <style>v\:* { Behavior: url(#default#VML) }o\:* { behavior: url(#default#VML) } </style> </head><body> <v:line style="z-index:5;position:absolute;left:233;top:150" from="0,0" to="200,0" strokecolor="#aaaaaa"/> <v:line style="z-index:5;position:absolute;" from="0,205" to="205,205" strokecolor="#aafaaa"/><div id="divID" style="display: block;"><canvas id="tutorial" width="1893" height="811" style="top: 370px; left: 19px; position: absolute;"></canvas></div><table border="1"><tr><td>02</td><td id="td0">03</td><td>04</td></tr><tr><td>02</td><td>03</td><td id="td1">04</td></tr><tr><td id="td2">02</td><td>03</td><td>04</td></tr></table> <script type="text/javascript">var Icolor="#aafaaa";var strHtml="";function testtt(){var width=11; var tb = document.getElementById("td0");var tb2 = document.getElementById("td1");var tb3 = document.getElementById("td2"); var x1 = tb.offsetLeft;var y1 = tb.offsetTop;var x2 = tb2.offsetLeft;var y2 = tb2.offsetTop; var x3 = tb3.offsetLeft;var y3 = tb3.offsetTop; x1 = x1 + width; x2 = x2 + width; x3 = x3 + width; y1 = y1 + width;y2 = y2 + width;y3 = y3 + width;this.IELine(x1, y1, x2, y2); this.IELine( x2, y2,x3,y3); document.getElementById('divID').innerHTML = strHtml;}function IELine(x1, y1, x2, y2) { strHtml+="<v:line style='z-index:5;position:absolute;' strokecolor=" + Icolor + " from='" + x1 + "px," + y1+ "px' to='" + x2 + "px," + y2 + "px'/>";}testtt();</script> </body> </html>
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