这种取值功能如何实现??怎么就是实现不了...

你的意思是没点确定前。辅助信息是不能点的？？？可以这样在辅助信息加一个button disabled="disabled"
在点击“提交”时将button的 disabled 设为可用

解决方案 »

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submit改成button,submit的话，表单递交刷新页面，add值不存在了<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档 </title>
<style>
</style>
<script type="text/javascript">
var add;
function open1(){
  alert("success");
}
function tijiao(){
  add="ok";
}
function addinfo(){
  if(add=="ok"){
     open1();
   }
   else{
    alert("sorry!");
   }
}
</script>
</head> <body>
<table width="100%" border="1" cellspacing="0" cellpadding="0">
   <tr>
     <td>基本信息 </td>
     <td onclick="addinfo();">辅助信息 </td>
     <td>其它信息 </td>
     <td>  </td>
   </tr>
   <tr>
     <td> <form id="form1" name="form1" method="post" action="">
       <label>          <input type="button" name="Submit" value="提交" onclick="tijiao();" />
         </label>
     </form>
     </td>
     <td>  </td>
     <td>  </td>
     <td>  </td>
   </tr> </table> </body>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档 </title>
<style>
</style>
<script type="text/javascript">
var add;
function open1(){
alert("success");
}
function tijiao(){ add="ok";
addinfo();//----------------------------注意,这里掉了调用addinfo()这个方法-------------------------------------------------
}
function addinfo(){
if(add=="ok"){
open1(); }else{
alert("sorry!");
}
}
</script>
</head> <body>
<table width="100%" border="1" cellspacing="0" cellpadding="0">
   <tr>
     <td>基本信息 </td>
     <td onclick="addinfo();">辅助信息 </td>
     <td>其它信息 </td>
     <td>  </td>
   </tr>
   <tr>
     <td> <form id="form1" name="form1" method="post" action="">
       <label>          <input type="submit" name="Submit" value="提交" onclick="tijiao();" />
         </label>
     </form>
     </td>
     <td>  </td>
     <td>  </td>
     <td>  </td>
   </tr> </table> </body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档 </title>
<style>
</style>
<script type="text/javascript">
var add;
function open1(){
alert("success");
}
function tijiao(){ add="ok";
return false;
}
function addinfo(){
if(add=="ok"){
open1(); }else{
alert("sorry!");
}
}
</script>
</head> <body>
<table width="100%" border="1" cellspacing="0" cellpadding="0">
   <tr>
     <td>基本信息 </td>
     <td onclick="addinfo();">辅助信息 </td>
     <td>其它信息 </td>
     <td>  </td>
   </tr>
   <tr>
     <td> <form id="form1" name="form1" method="post" action="">
       <label>          <input type="submit" name="Submit" value="提交" onclick="return tijiao();" />
         </label>
     </form>
     </td>
     <td>  </td>
     <td>  </td>
     <td>  </td>
   </tr> </table> </body>
</html>