lanzhusiyu 2016-12-23
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>afinder</title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="css/bootstrap-theme.min.css">
</head>
<body >
<table style="border:2px solid #B3B3B3;background-color:white;">
<tr>
<td rowspan=2 style="border:0px solid black;text-align:center;height:24px;width: 30px;">
<input id="txt" type="text" style="width: 14px; height: 24px;border:0px solid black;background-color:white;" value="1" />
</td>
<td style="border:1px solid #B4CDCD;background-color:#f0f0f0;text-align:center;width:15px;height:12px;">
<a href="#" onclick="add()" style="height: 12px; text-align: center;color:black;text-decoration:none;"> + </a>
</td>
</tr>
<tr>
<td style="border:1px solid #B4CDCD;background-color:#f0f0f0;text-align:center;width:15px;height:12px;">
<a href="#" onclick="sub()" style="height: 12px; text-align: center;;color:black;text-decoration:none;"> - </a>
</td>
</tr>
</table>
<table style="border:2px solid #B3B3B3;background-color:white;margin-top:100px;">
<tr>
<td style="border:1px solid #B4CDCD;background-color:#f0f0f0;text-align:center;width:15px;height:12px;">
<a href="#" onclick="sub2()" style="height: 12px; text-align: center;color:black;text-decoration:none;"> - </a>
</td>
<td>
<input id="txt2" type="text" style="width: 14px; height: 24px;border:0px solid black;background-color:white;" value="1" />
</td>
<td style="border:1px solid #B4CDCD;background-color:#f0f0f0;text-align:center;width:15px;height:12px;">
<a href="#" onclick="add2()" style="height: 12px; text-align: center;color:black;text-decoration:none;"> + </a>
</td>
</tr>
</table>
<script>
var a = 1;
function add() {
a++;
document.getElementById("txt").value = a;
}
function sub() {
a--;
document.getElementById("txt").value = a;
}
function add2() {
a++;
document.getElementById("txt2").value = a;
}
function sub2() {
a--;
document.getElementById("txt2").value = a;
}
</script>
</body>
</html> 最近需要找到一个这样的插件,结果没找到,最后在百度知道上发现了一个例子,于是修改了一下样式,感觉还行,共享一下。

<input id="txt" type="text" style="width: 14px; height: 24px;border:0px solid black;background-color