📄 检测健康程度.txt
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检测健康程度
脚本说明：
把如下代码加入<body>区域中:
<script LANGUAGE="JAVASCRIPT">
<!-- hide this script tag's contents from old browsers
function ClearForm(form){
form.weight.value = "";
form.height.value = "";
form.bmi.value = "";
form.my_comment.value = "";
}
function bmi(weight, height) {
bmindx=weight/eval(height*height);
return bmindx;
}
function checkform(form) {
if (form.weight.value==null||form.weight.value.length==0
|| form.height.value==null||form.height.value.length==0){
alert("\nPlease complete the form first");
return false;
}
else if (parseFloat(form.height.value) <= 0||
parseFloat(form.height.value) >=500||
parseFloat(form.weight.value) <= 0||
parseFloat(form.weight.value) >=500){
alert("\nReally know what you're doing? \nPlease enter values again. \nWeight in kilos and \nheight in cm");
ClearForm(form);
return false;
}
return true;
}
function computeform(form) {
if (checkform(form)) {
yourbmi=Math.round(bmi(form.weight.value, form.height.value/100));
form.bmi.value=yourbmi;
if (yourbmi >30) {
form.my_comment.value="不要在闹了!!!";
}
else if (yourbmi >28 && yourbmi <=30) {
form.my_comment.value="您是猪吗?";
}
else if (yourbmi >23 && yourbmi <=28) {
form.my_comment.value="两头猪也没有你重吧?";
}
else if (yourbmi >21 && yourbmi <=23) {
form.my_comment.value="您现在是偏胖,应该注意饮食!";
}
else if (yourbmi >=19 && yourbmi <=21) {
form.my_comment.value="哇!!!您太苗条了! 是标准身材";
}
else if (yourbmi >=18 && yourbmi <19) {
form.my_comment.value="您是不是营养不良?????";
}
else if (yourbmi >=17 && yourbmi <18) {
form.my_comment.value="这个不是骨头吗????";
}
else if (yourbmi <17) {
form.my_comment.value="按照生物学来说这种生物是不能生存的";
}
}
return;
}
// -- done hiding from old browsers -->
</script>
<form NAME="BMI" method="POST">
<table border="1">
<tr>
<td><font color="red"><div align="center"><center><p>体重</font> (kg)</td>
<td align="center"><font color="red"><div align="center"><center><p>身高</font>(cm)</td>
<td align="center"><font color="blue"><div align="center"><center><p>健康值</font></td>
<td align="center"><font color="blue"><div align="center"><center><p>电脑对您的评价</font></td>
</tr>
<tr align="center">
<td><input TYPE="TEXT" NAME="weight" SIZE="6" onFocus="this.form.weight.value=''"></td>
<td><input TYPE="TEXT" NAME="height" SIZE="6" onFocus="this.form.height.value=''"></td>
<td><input TYPE="TEXT" NAME="bmi" SIZE="5"></td>
<td><input TYPE="TEXT" NAME="my_comment" size="40"></td>
</tr>
</table>
<div align="center"><center><p><input TYPE="button" VALUE="确定"
onClick="computeform(this.form)"> <input TYPE="reset" VALUE="取消"
onClick="ClearForm(this.form)"> </p>
</center></div>
</form>
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