<h1 align="center">进货单</h1><br />
<form id="addpro" name="addpro" method="post" action="addpro-ok.php?op=add">
<table id="addpro" width="600" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td>产品名:</td>
<td><input type="text" name="name" id="name"/>
</tr>
<tr>
<td>厂商品名:</td>
<td>
<select name="brand" id="brand">
<?php
include_once("../Connections/db.php");
$sql = "SELECT * FROM brand";
$query = mysql_query($sql);
while ($row = mysql_fetch_array($query)) {
echo "<option value=\"{$row[1]}\">{$row[1]}</option>";
}
?>
</select></td>
</tr>
<tr>
<td>货号:</td>
<td><input type="text" name="codes" id="codes" /></td>
</tr>
<tr>
<td>数量:</td>
<td><input type="text" name="number" id="number" /></td>
</tr>
<tr>
<!--td>颜色:</td>
</tr>
<tr>
<td>进货价:</td>
<td><input type="text" name="inprice" id="inprice" /></td>
</tr>
<tr>
<td>预定零售价:</td>
<td><input type="text" name="outprice" id="outprice" /></td>
</tr>
<tr>
<td> </td>
<td><input name="submit" type="submit" value="提交进货单" onclick="return adddo();" /></td>
</tr>
</table>
</form>
<form id="addpro" name="addpro" method="post" action="addpro-ok.php?op=add">
<table id="addpro" width="600" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td>产品名:</td>
<td><input type="text" name="name" id="name"/>
</tr>
<tr>
<td>厂商品名:</td>
<td>
<select name="brand" id="brand">
<?php
include_once("../Connections/db.php");
$sql = "SELECT * FROM brand";
$query = mysql_query($sql);
while ($row = mysql_fetch_array($query)) {
echo "<option value=\"{$row[1]}\">{$row[1]}</option>";
}
?>
</select></td>
</tr>
<tr>
<td>货号:</td>
<td><input type="text" name="codes" id="codes" /></td>
</tr>
<tr>
<td>数量:</td>
<td><input type="text" name="number" id="number" /></td>
</tr>
<tr>
<!--td>颜色:</td>
</tr>
<tr>
<td>进货价:</td>
<td><input type="text" name="inprice" id="inprice" /></td>
</tr>
<tr>
<td>预定零售价:</td>
<td><input type="text" name="outprice" id="outprice" /></td>
</tr>
<tr>
<td> </td>
<td><input name="submit" type="submit" value="提交进货单" onclick="return adddo();" /></td>
</tr>
</table>
</form>
楼主这是什么用意
<td><input name="submit" type="submit" value="提交进货单" onclick="adddo()" /></td>
<input name="submit" type="submit" value="提交进货单" onclick="return adddo();" />
这是一个提交按钮,点击后就执行提交了
所以 js 函数 adddo() 不会被执行,即便执行了也只在提交前的页面,而不在提交后的新页面中如果你打算将 adddo() 用于控制提交,那么应写在 <form> 标记中
<form id="addpro" name="addpro" method="post" action="addpro-ok.php?op=add" onsubmit="return adddo();">
<script>
function adddo()
{
if(true){
return true; //返回true表单提交
}else{
return false; //返回false表单不能提交
}
}
</script>
<form id="addpro" name="addpro" method="post" action="addpro-ok.php?op=add" onsubmit="return adddo();">