Question

表单必填项

下面是表单代码，我是使用邮件来接受表单的内容的，请帮我把表项都设置成必填项，谢谢

<tr>

<td style="font-size: 12px">
<form id="form1" name="form1" method="post" action="yd4-h.asp">

<table width="100%" border="1" cellspacing="0" cellpadding="0" id="table56" bgcolor="#FFFFFF" style="border-left-color: #CCCCCC; border-top-color: #CCCCCC">

</table>
<table border="0" width="81%" cellspacing="0" cellpadding="0" id="table57">
<tr>
<td style="font-size: 12px">
<div align="center">
<table class="MsoNormalTable" border="0" cellpadding="0" style="width: 618px" id="table58">
<tr>
<td width="31%" style="width:31.0%;padding:.75pt .75pt .75pt .75pt">
<p class="MsoNormal" align="right" style="text-align:right">
姓名：</td>
<td style="padding:.75pt .75pt .75pt .75pt" align="left">
<p class="MsoNormal">
<span lang="EN-US" style="font-size:9.0pt;font-family:Arial">
<input TYPE="text" NAME="T1" size="25" style="font-size: 12px; color: #666666"></span></td>
</tr>
<tr>
<td width="31%" style="width:31.0%;padding:.75pt .75pt .75pt .75pt">
<p class="MsoNormal" align="right" style="text-align:right">
联系地址：</td>
<td style="padding:.75pt .75pt .75pt .75pt" align="left">
<p class="MsoNormal">
<span lang="EN-US" style="font-size:9.0pt;font-family:Arial">
<input TYPE="text" NAME="T5" size="25" style="font-size: 12px; color: #666666"></span></td>
</tr>
<tr>
<td width="31%" style="width:31.0%;padding:.75pt .75pt .75pt .75pt">
<p class="MsoNormal" align="right" style="text-align:right">
E-mail：</td>
<td style="padding:.75pt .75pt .75pt .75pt" align="left">
<p class="MsoNormal">
<span lang="EN-US" style="font-size:9.0pt;font-family:Arial">
<input TYPE="text" NAME="Tmail" size="25" style="font-size: 12px; color: #666666"></span></td>
</tr>
<tr>
<td style="padding:.75pt .75pt .75pt .75pt">
<p class="MsoNormal" align="right">其他要求：</td>
<td style="padding:.75pt .75pt .75pt .75pt" align="left">
<p class="MsoNormal">
<span lang="EN-US" style="font-size:9.0pt;font-family:Arial">
<textarea ROWS="5" COLS="45" NAME="TL"></textarea></span></td>
</tr>
<tr>
<td style="padding:.75pt .75pt .75pt .75pt">
<p class="MsoNormal">
<span lang="EN-US" style="font-size:9.0pt;font-family:Arial"> </span></td>
<td style="padding:.75pt .75pt .75pt .75pt" align="left">
<p class="MsoNormal">
<font color="#FFFF00">
<input type="submit" name="Submit" value="提 交" style="font-size: 12px; color: #666666" />                   </font>
<input value="重 填" type="reset" name="Submit2" style="font-size: 12px; color: #666666"></td>
</tr>
</table>
</div>
</td>
</tr>
</table>
</form>
</td></td>
</tr>

Answer 1

脚本判断不就完了 ？？？
判断名字是不是空的
if(document.all.T1.value=="" ||document.all.T1.value.length==0){
document.all.T1.focus();
document.all.T1.value="";
}