其中文本框右侧已经标注要输入的信息,有的是文字,有的是数字,在用户提交后怎样判断输入框中输入的信息必须为文字或者数字呢,请给段代码谢谢<table align="right" >
<tr>
<td width="100" height="30" class="wenzi" ><img src="img/38.gif" width="10" height="10"/>id:</td>
<td width="300" align="left" class="zhushi"><input type="text" id="text_name1" name="hot" value="">*输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>开始:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name2" name="start" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="zi" ><img src="img/38.gif" width="10" height="10"/>结束:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name3" name="end" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="wenzi"><img src="img/38.gif" width="10" height="10"/>备 注:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name4" name="sre" value="" >*输入中文</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>s_type:</td>
<td align="left" class="zhushi"><input type="text" name="s_tp" value=""> 输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>介绍:</td>
<td width="388"> </td>
</tr>
<tr>
<td align="left" colspan="2" class="zhushi">
<textarea name="ctn" id="text_name5" style="width:300px; height:50px;"></textarea>*输入中文
</td>
</tr>
<tr>
<td align="center" height="50" colspan="2" ><input type="image" src="img/queren.gif"></td>
</tr>
</table>
<tr>
<td width="100" height="30" class="wenzi" ><img src="img/38.gif" width="10" height="10"/>id:</td>
<td width="300" align="left" class="zhushi"><input type="text" id="text_name1" name="hot" value="">*输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>开始:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name2" name="start" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="zi" ><img src="img/38.gif" width="10" height="10"/>结束:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name3" name="end" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="wenzi"><img src="img/38.gif" width="10" height="10"/>备 注:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name4" name="sre" value="" >*输入中文</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>s_type:</td>
<td align="left" class="zhushi"><input type="text" name="s_tp" value=""> 输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>介绍:</td>
<td width="388"> </td>
</tr>
<tr>
<td align="left" colspan="2" class="zhushi">
<textarea name="ctn" id="text_name5" style="width:300px; height:50px;"></textarea>*输入中文
</td>
</tr>
<tr>
<td align="center" height="50" colspan="2" ><input type="image" src="img/queren.gif"></td>
</tr>
</table>
<table align="right" >
<tr>
<td width="100" height="30" class="wenzi" ><img src="img/38.gif" width="10" height="10"/>id:</td>
<td width="300" align="left" class="zhushi"><input type="text" id="text_name1" name="hot" onkeyup="value=value.replace(/[^0-9]/g,'')" >*输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>开始:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name2" name="start" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="zi" ><img src="img/38.gif" width="10" height="10"/>结束:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name3" name="end" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="wenzi"><img src="img/38.gif" width="10" height="10"/>备 注:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name4" name="sre" value="" onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')">*输入中文</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>s_type:</td>
<td align="left" class="zhushi"><input type="text" name="s_tp" value=""> 输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>介绍:</td>
<td width="388"> </td>
</tr>
<tr>
<td align="left" colspan="2" class="zhushi">
<textarea name="ctn" id="text_name5" style="width:300px; height:50px;" onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')" ></textarea>*输入中文
</td>
</tr>
<tr>
<td align="center" height="50" colspan="2" ><input type="image" src="img/queren.gif"></td>
</tr>
</table> onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')" 中文
onkeyup="value=value.replace(/[^0-9]/g,'')" 数字
function formcheck()
{
if(!IsNum(form.hot.value))
{
alert("请输入数字!")
form.hot.focus();
return false;
}
function IsNum(num)
{
var reNum=/[^\d]/g,";
return(reNum.test(num));
}}
</script>
</head>
<body>
<center>
<form name="form1" action="login.php" method="POST" onsubmit="return Check();">
<fieldset style="width:400px; ">
<legend style="color:#8492B5;">添加</legend>
<table align="right" >
<tr>
<td width="100" height="30" class="wenzi" ><img src="img/38.gif" width="10" height="10" name/>id:</td>
<td width="300" align="left" class="zhushi"><input type="text" id="text_name1" name="hot" value="" onsubmit="reutrn formcheck()">*输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>开始:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name2" name="start" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="zi" ><img src="img/38.gif" width="10" height="10"/>结束:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name3" name="end" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="wenzi"><img src="img/38.gif" width="10" height="10"/>备 注:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name4" name="sre" value="">*输入中文</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>s_type:</td>
<td align="left" class="zhushi"><input type="text" name="s_tp" value=""> 输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>内容介绍:</td>
<td width="388"> </td>
</tr>
<tr>
<td align="left" colspan="2" class="zhushi">
<textarea name="ctn" id="text_name5" style="width:300px; height:50px;"></textarea>*输入中文
</td>
</tr>
<tr>
<td align="center" height="50" colspan="2" ><input type="image" src="img/queren.gif"></td>
</tr>
</table>
</fieldset>
<input type="hidden" name="submit" value="submit">
</form>
改为:return formcheck();
<script type="text/javascript">
function formcheck()
{
if (form1.hot.value=="" || isNaN(form1.hot.value) )
{
alert('请输入数字');
form1.hot.focus();
return false;
}
var re = /[^\u4E00-\u9FA5]/g;
if(re.test(form1.sre.value) || form1.sre.value=="" )
{
alert('请输入中文');
form1.sre.focus();
return false;
}
return true;
}
</script>
</head>
<body>
<center>
<form name="form1" action="login.php" method="POST" onsubmit="return formcheck();">
<fieldset style="width:400px; ">
<legend style="color:#8492B5;">添加</legend>
<table align="right" >
<tr>
<td width="100" height="30" class="wenzi" ><img src="img/38.gif" width="10" height="10" name/>id:</td>
<td width="300" align="left" class="zhushi"><input type="text" id="text_name1" name="hot" value="" onsubmit="reutrn formcheck()">*输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>开始:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name2" name="start" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="zi" ><img src="img/38.gif" width="10" height="10"/>结束:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name3" name="end" onfocus="WdatePicker({ dateFmt:'yyyy-MM-dd' });">*格式:年-月-日</td>
</tr>
<tr>
<td height="30" class="wenzi"><img src="img/38.gif" width="10" height="10"/>备 注:</td>
<td align="left" class="zhushi">
<input type="text" id="text_name4" name="sre" value="">*输入中文</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>s_type:</td>
<td align="left" class="zhushi"><input type="text" name="s_tp" value=""> 输入数字</td>
</tr>
<tr>
<td height="30" class="zi"><img src="img/38.gif" width="10" height="10"/>内容介绍:</td>
<td width="388"> </td>
</tr>
<tr>
<td align="left" colspan="2" class="zhushi">
<textarea name="ctn" id="text_name5" style="width:300px; height:50px;"></textarea>*输入中文
</td>
</tr>
<tr>
<td align="center" height="50" colspan="2" ><input type="image" src="img/queren.gif"></td>
</tr>
</table>
</fieldset>
<input type="hidden" name="submit" value="submit">
</form>