📄 health.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>健康体重计</title>
<style type="text/css">
<!--
.STYLE5 {
font-size: x-large;
font-weight: bold;
font-family: Geneva, Arial, Helvetica, sans-serif;
}
-->
</style>
<script language="javascript">
function mod(div,base){
return Math.round(div - Math.floor(div/base)*base);
}
function calc(){
var w = document.form.weight.value * 1;
var heightFeetIni = document.form.feet.value * 1;
var heightInchesIni = document.form.inches.value * 1;
var heightFeetConvert = heightFeetIni * 12;
var h = heightFeetConvert+heightInchesIni;
flag = (Math.round((w*703)/(h*h)));
document.form.answer.value = flag;
var f = true;
if((w<=25)||(w>=300)||(h<=48)||(h>=120)){
alert("这个值也太夸张啦!");
f = false;
}
if(f){
if(heightInchesIni>11){
var remindInches = mod(heightInchesIni,12);
` document.form.inches.value = remindInches;
document.form.feet.value = heightFeetIni +((heightInchesIni-remindInches)/12);
document.form.answer.value = flag;
}
if(flag<19) document.form.content.value = "得小心刮风下雨的天气呀!";
if(flag>=19&&flag<=25) document.form.content.value = "身体不错,继续保持呀!";
if(flag>26&&flag<=29) document.form.content.value = "得注意不能任其自由发展!";
if(flag>=30&&flag<=40) document.form.content.value = "不得不承认自己是个胖小伙!";
if(flag>40) document.form.content.value = "是该减肥啦!";
document.form.answer.value = flag;
}
return f;
}
</script>
</head>
<body>
<form name="form" >
<table width="255" border="1" align="center" bgcolor="#FFFFCC">
<tr>
<td> </td>
<td align="left"><label><span class="STYLE5">体重测量计</span></label></td>
<td> </td>
</tr>
<tr>
<td>你的体重:</td>
<td><label>
<input name="weight" type="text" size="3" />
公斤</label></td>
<td> </td>
</tr>
<tr>
<td>你的身高:</td>
<td><label>
<input name="feet" type="text" size="3" />
英尺
<input name="inches" type="text" size="3" />
英寸</label></td>
<td> </td>
</tr>
<tr>
<td> </td>
<td><label>
<input name="按钮" type="button" onclick="calc()" value="计算"/>
</label></td>
<td> </td>
</tr>
<tr>
<td>肥胖指数:</td>
<td><label>
<input name="answer" type="text" size="10" />
</label></td>
<td> </td>
</tr>
<tr>
<td> </td>
<td>结论:</td>
<td> </td>
</tr>
<tr>
<td width="0" height="0"> </td>
<td align="left"><label>
<input name="content" type="text" size="20" />
</label></td>
</tr>
</table>
</form>
</body>
</html>
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