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javascript中input必须填写才能执行按钮点击搜索

08-26最后更新时间：2020-10-11【已收录】人已围观收藏

简介<form name="searchform" method="post" action="/e/search/index.php"> <table border="0" align="center" cellpadding="3" cellspacing="1" class="tableborder"> <

<form name="searchform" method="post" action="/e/search/index.php">
  <table  border="0" align="center" cellpadding="3" cellspacing="1" class="tableborder">
    <input type="hidden" name="tbname" value="news">
    <input type="hidden" name="tempid" value="1">
    <input type="hidden" name="andor" value="and">
    <tr class="header"> 
      <td colspan="2">数据库信息查询系统</td>
    </tr>
    <tr bgcolor="#FFFFFF"> 
      <td width="200">姓名：</td>
      <td width="388"> 
          <input type="hidden" name="show[]" value="title">
          <input type="hidden" name="hh[]" value="EQ">
          <input name="keyboard[]" type="text" id="test">
      </td>
    </tr>
    
    
    <tr bgcolor="#FFFFFF"> 
      <td>证书编号：</td>
      <td> 
          <input type="hidden" name="show[]" value="id">
          <input type="hidden" name="hh[]" value="EQ">
          <input name="keyboard[]" type="text" >
       
      </td>
    </tr>
    <tr bgcolor="#FFFFFF"> 
      <td>&nbsp;</td>
      <td> 
        <input type="submit" name="Submit" value="马上搜索" onClick=" return testContent('test')" class="fsdf">
        <font color="#666666"></font>
      </td>
    </tr>
  </table>
</form>
</div>
<script>
function add() {
				var subname = $('input[name=keyboard[]]').val();
			
				if(subname == "") { //判断用户名是否为空
					alert("请输入姓名!");
					form2.subname.select();
					return false;
				}
		
			
			}
</script>