js弹出模式对话框，并接收回传的值

 

弹出对话框的页面A：

<script type="text/javascript">

    function openDialog(){

        paramers="dialogWidth:500px; dialogHeight:300px; status:no";

        workerId = window.showModalDialog("userList.aspx","",paramers);

        if(workerId!=undefined && workerId!=""){

            document.getElementById("leader").value = workerId;

          }

        }

</script>

模式对话框js：

 <input type="button" value="选择" onclick="javascript:selectPositionAndClose();"/>

        

    </form>

<script type="text/javascript">

	function selectPositionAndClose(){

		var obj = document.getElementById("userList");

		

		var user = "";

		for(var i=0;i<obj.options.length;i++){

		    

			if(obj.options[i].selected==true){

				user = obj.options[i].value;

			}

		}

		

		window.returnValue = user;

		window.close();

	}

</script>