1. 程式人生 > >form表單提交時用JavaScript跳轉,action怎麼帶引數

form表單提交時用JavaScript跳轉,action怎麼帶引數

 <script type="text/javascript">
      function selflog_show()
      {
        var num =  document.getElementById("number").value;
        var id =  document.getElementById("id").value;
        var r=confirm("新增進購物車成功!");
        var form1=document.getElementsByTagName("form")[0];
        form1.action=form1.action+"?id="+id+"&num="+num;
        
      }
      function add()
      {
         var num = parseInt(document.getElementById("number").value);
         if(num<100)
         {
            document.getElementById("number").value = ++num;
         }
      }
      function sub()
      {
         var num = parseInt(document.getElementById("number").value);
         if(num>1)
         {
            document.getElementById("number").value = --num;
         }
      }
     
    </script>
<input type="button" name="less" id="sub" value="-" onclick="sub();"> 
				<input type="text" name="number" id="number" value="1" size="2"> 
				<input type="button" name="more" id="add" value="+" onclick="add();"><br><br>
			<s:form  action="cartAction_addGoodsIntoCart" id="form1" method="post">
				<input type="image" src="./pictures/cart.png" onclick="selflog_show();">
			</s:form>
			
			 <s:hidden name="id" value="%{model.itemsid}" />