用js实现表格的动态删除，修改，增加的功能
<!DOCTYPEHTML><html><body><form><center><fieldset><legend>学生信息列表</legend><table><tr><...
<!DOCTYPE HTML> <html> <body> <form> <center> <fieldset> <legend>学生信息列表</legend> <table> <tr> <td align="right"><a href="a">增加</a> <a href="b">删除</a> <table border="1px" width=600px cellspacing="0px" style="border-collapse:collapse"> <tr> <td align="center">删除</td> <td align="center">学号</td> <td align="center">姓名</td> <td align="center">年龄</td> <td align="center">学历</td> <td align="center">性别</td> <td align="center">地址</td> <td></td> </tr> <tr> <td align="center"><input type="checkbox" name="a"> </td> <td align="center">01</td> <td align="left">张三</td> <td align="center">22</td> <td align="center">本科</td> <td align="center">男</td> <td align="left">朝阳区</td> <td align="center"><a href="c"><font color="#8A2BE2"> 修改</a></td> </tr> <tr> <td align="center"><input type="checkbox" name="a"></td> <td align="center">02</td> <td align="left">李四</td> <td align="center">21</td> <td align="center">本科</td> <td align="center">女</td> <td align="left">宽城区</td> <td align="center"></font><a href="c"><font color="#8A2BE2"> 修改</a></td> </tr></table></fieldest></form></body>
怎么样才能真的实现表格里面修改，删除，增加的功能 展开
怎么样才能真的实现表格里面修改，删除，增加的功能 展开
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>RunJS 演示代码</title>
<style>
.* {
padding: 0;
margin: 0;
}
a {
text-decoration: none;
color: black;
}
a:hover {
color: red;
}
.wrap {
width: 900px;
height: 300px;
overflow-y: auto;
margin: auto;
}
table {
width: 800px;
border: 1px solid black;
border-collapse: collapse;
}
th {
background-color: orange;
}
td,th {
border: 1px solid black;
text-align: center;
}
table input[type=text] {
width: 100px;
}
</style>
<script>
var yugi = {
col: 6,
addRow: function(table) {
var vals = [a.value, b.value, c.value, d.value, e.value, "<a href='###' onclick='yugi.modify(table,this)'>修改</a> <a href='###' onclick='yugi.del(table,this)'>删除</a>"];
var tr = table.insertRow(table.tBodies[0].rows.length);
for (var i = 0; i < yugi.col; i++) {
var td = tr.insertCell(tr.cells.length);
td.innerHTML = vals[i];
}
},
modify: function(table, row) {
var r = row.parentElement.parentElement,
c = r.cells;
if (/.*修改.*/g.test(row.innerHTML)) {
for (var i = 0; i < c.length - 1; i++) {
var ci = c[i];
var txt = document.createElement("input");
txt.type = "text";
txt.value = ci.innerHTML;
ci.innerHTML = "";
ci.appendChild(txt);
}
row.innerHTML = "保存";
} else {
for (var i = 0; i < c.length - 1; i++) {
var ci = c[i];
ci.innerHTML = ci.children[0].value;
}
row.innerHTML = "修改";
}
},
del: function(table, row) {
var ind = row.parentElement.parentElement.rowIndex;
table.tBodies[0].deleteRow(ind);
}
}
</script>
</head>
<body>
<fieldset class="wrap">
<legend>学生信息列表</legend>
<div>
<input type="text" id="a" />
<input type="text" id="b" />
<input type="text" id="c" />
<input type="text" id="d" />
<input type="text" id="e" />
<input type="button" value="添加" onclick="yugi.addRow(table)" />
</div>
<table id="table">
<tr>
<th>学号</th>
<th>姓名</th>
<th>年龄</th>
<th>学历</th>
<th>性别</th>
<th>地址</th>
</tr>
</table>
</fieldset>
</body>
</html>
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