JavaScript drawing code_image effects

<title>JavaScript Drawing</title> <table border="0" width="100%"> <tr> <td width="100%" style="font-family: 方正舒体; font-size: 18pt; color: #FF0000" class="t1">JavaScript绘图</td> </tr> <tr> <td width="100%" style="font-family: 幼圆; font-size: 12pt; color: #008000" class="t2"> 如果需要在网页上提供图形化的资料，通常是将其制作成图片，但这样一来网络上的开销就太大了。有什么办法呢？这里向你提供一组JavaScript函数，来解决这一问题。虽然简单了点，但是对画点线图来说还是绰绰有余的！</td> </tr> </table>
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If you need to introduce external Js, you need to refresh to execute ]<script> if(IE4) { // 基本图形 color = "maroon" Cir(50,40,20) Arc(100,40,20,60,120) Pei(150,60,40,240,300) Rect(200,20,40,40) // 折线图 color = "#FF0000" var jd = new Array( 203,232,277,223,271,234,273,284,276,250,267,280 ) MoveTo(30,jd[0]-40) biaozhu(xo,yo,jd[0]) for(i=1;i<jd.length;i++) { LineTo(i*30+30,jd-40) biaozhu(xo,yo,jd,1) } color = "#C0C0C0" Line(30,140,i*30+30,140) Line(30,140,30,260) // 饼图 color = "#00FF00" var gc = new Array( 150,120,200,180,180 ) var s = 0 var m = 0 var n = 0 for(i=0;i<gc.length;i++) { s +=gc if(gc > m) { m = gc n = i } } var k = s/360 var mm = 0 var a =0 for(i=0;i<gc.length;i++) { b = Math.round((gc+mm)/k) if(i==n) PopPei(600,150,100,a,b) else Pei(600,150,100,a,b) biaozhu(60,a+(b-a)/2,Math.round(gc/s*100)+"%",2) mm = mm+gc a = b } // 十字标注 MoveTo(280,20) zhunxing(xo,yo) }else { document.write("<p> <table bgcolor=#FF0000><tr><td><font color=#FFFF00>对不起！您的浏览器不能支持该页的某些功能，请换用IE4.0以上版本的浏览器！谢谢！") } </script>