代碼如下:
<HTML><br /><HEAD><br /><TITLE>JS畫圓餅圖</TITLE><br /><script><br />function DrawPieChart()<br />{<br /> var totalvalue = value1.value/360 + value2.value/360 + value3.value/360 + value4.value/360;<br /> var per1 = value1.value/totalvalue;<br /> var per2 = value2.value/totalvalue;<br /> var per3 = value3.value/totalvalue;<br /> var per4 = value4.value/totalvalue;</p><p> var per12 = per1 + per2;<br /> var per123 = per1 + per2 + per3;</p><p>Chart.innerHTML = "<OBJECT ID='PieChart' CLASSID='CLSID:369303C2-D7AC-11D0-89D5-00A0C90833E6' STYLE='position:relative;top:0;left:0;width:400;height:400'><PARAM NAME='Line0001' ALUE='SetLineColor(255, 0, 127)'><PARAM NAME='Line0002' VALUE='SetFillStyle(1)'><PARAM NAME='Line0003' VALUE='SetFillColor(0, 255, 80)'><PARAM NAME='Line0004' VALUE='Pie(-100, -100, 200, 200, 0, "+ per1 +", 0)'><PARAM NAME='Line0005' VALUE='SetFillStyle(1)'><PARAM NAME='Line0006' VALUE='SetFillColor(0, 0, 255)'><PARAM NAME='Line0007' VALUE='Pie(-100, -100, 200, 200, "+ per1 + ", " + per2 + ", 0)'><PARAM NAME='Line0008' VALUE='SetFillStyle(1)'><PARAM NAME='Line0009' VALUE='SetFillColor(0, 128, 128)'><PARAM NAME='Line0010' VALUE='Pie(-100, -100, 200, 200, "+per12+","+per3+", 0)'><PARAM NAME='Line0011' VALUE='SetFillStyle(1)'><PARAM NAME='Line0012' VALUE='SetFillColor(255, 0, 0)'><PARAM NAME='Line0013' VALUE='Pie(-100, -100, 200, 200, "+per123+","+per4+", 0)'></OBJECT>"<br />}<br /></script><br /></HEAD><br /><BODY><br /><table border=1 width=100%><br /><tr><td id="Chart" width=50% height=400 align=center><br />準備畫圖。。。</td><br /><td width=50%><br /><p align=center><br />輸入4個數<br><br /><input id="value1" type=text size=6 value=0><br /><input id="value2" type=text size=6 value=0><br /><input id="value3" type=text size=6 value=0><br /><input id="value4" type=text size=6 value=0><br /></p><br /><p align=center><br /><input type=button onclick="DrawPieChart()" value="畫餅圖"><br /></p><br /></td><br /></tr><br /></table><br /></BODY><br /></HTML>
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