<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>乘积点应该乘那几科</title>
</head>
<body>
<h1 align="center">绩点应该乘在哪几科上</h1>
<h5>
乘的系数:<input type="text" id="k" onclick="value=''">
</h5>
<form action="javascript:main()">
<table id="ta">
<tr>
<td>嵌入式系统及其应用</td>
<td>2.5</td>
<td><input type="text" value="优" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td>文本智能处理技术</td>
<td>1.5</td>
<td><input type="text" value="优" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 网络编程技术</td>
<td>2</td>
<td><input type="text" value="优" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 软件建模技术</td>
<td>1.5</td>
<td><input type="text" value="良" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 运筹学基础</td>
<td>2.5</td>
<td><input type="text" value="99" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 操作系统课程设计</td>
<td>2</td>
<td><input type="text" value="优" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 人工智能</td>
<td>2</td>
<td><input type="text" value="83" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 计算机体系结构</td>
<td>2.5</td>
<td><input type="text" value="69" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 操作系统</td>
<td>5</td>
<td><input type="text" value="78" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 数据库原理</td>
<td>4.25</td>
<td><input type="text" value="86" onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
<tr>
<td nowrap> 软件工程</td>
<td>3.5</td>
<td><input type="text" value="89" onclick="value=''"
onclick="value=''"></td>
<td><input type="checkbox"></td>
</tr>
</table>
<input type="submit" value="开始计算">
<h1 id="ans"></h1>
<h1 id="debug"></h1>
</form>
<script>
function f(x) {
return (x / 10 - 5);
}
function main() {
var s = 0, ss = "";
var wsum = 0;
for (var i = 0; i < ta.rows.length; i++) {
var row = ta.rows[i];
var weight = row.cells[1].innerHTML;
var v = row.cells[2].childNodes[0].value;
if (isNaN(v))
v = "优良中差".indexOf(v, 0) * (-10) + 95;
if (row.cells[3].childNodes[0].checked) {
if(k.value==""){
ans.innerHTML="逗比!请填写乘的系数!";
return;
}
v *= k.value;
if (v > 95)
v = 95;
}
v = Math.round(v);
var score = f(v);
wsum += weight*1.0;
s += weight * score;
ss += weight + "*" + score + "+";
}
s /= wsum;
ans.innerHTML ="您的绩点:"+ s;
//debug.innerHTML =ss;
}
</script>
</body>
</html>