javascript对select option操作

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以前做了个公司的后台管理系统,用VS2003开发的,用的全部都是服务器控制。,每做一个操作就要刷新页面,虽然是公司自己内部用的但,还是有好多同事反应“用户体验”不好,所以前两天我把他做成了全静态的。主要是javascript对select 和option的操作。因为js功力有限,所以只能做的这样子了

页面效果:

 

前台代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="javascripttest.WebForm1" %>

<!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 runat="server">
    <title>无标题页</title>

    <script src="JScript1.js" type="text/javascript"></script>
    <style type="text/css">
        .style1
        {
            63px;
            text-align: center;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table border="1" align="center" style=" 349px">
            <tr>
                <td>
                    <div style="text-align: right">
                        直属主管:
                    </div>
                </td>
                <td colspan="2">
                    <div id="divobj">
                    </div>
                </td>
            </tr>
            <tr>
                <td width="69">
                    <select size="4" name="listprojMag" id="listprojMag" style="height: 175px; 134px;">
                        <option value="10273">大包</option>
                        <option value="10282">大倩</option>
                        <option value="10243">和平</option>
                        <option value="10255">张三</option>
                        <option value="10261">方博</option>
                        <option value="10257">李四</option>
                        <option value="10087">阿坚</option>
                    </select>
                </td>
                <td class="style1">
                    <input id="btnAllAdd" type="button" value="全部加入" onclick="AllAdd();" />
                    <input type="button" id="btnadd" value="加入" onclick="funAdd();" />
                    <input id="btnDel" type="button" value="移除" onclick="funDelete();" />
                    <input id="btnDel0" type="button" value="全部移除" onclick="AllDelete();" />
                    <td width="69">
                        <select size="4" name="listFact" id="listFact" style="height: 175px; 131px;">
                            <option value="10104">kay</option>
                            <option value="10103">李秀贤</option>
                        </select>
                    </td>
                </td>
            </tr>
            <tr>
                <td colspan="3">
                    <div align="center">
                        <input id="Button1" type="button" value="确定" onclick="Submit();" />
                    </div>
                </td>
            </tr>
        </table>
    </div>
    </form>
</body>
</html>

JScript1.js文件:

 //加入
    function funAdd()
    {
        var objLeft=document.getElementById("listprojMag");
        var objRight =document.getElementById("listFact");
        for(var i=0;i<objLeft.length;i++)
        {
            if(objLeft[i].selected==true)
            {
                var oOption =new Option(objLeft[i].text,objLeft[i].value);
                objRight.options[objRight.length]=oOption;
                objLeft.options.remove(objLeft.selectedIndex);
            }
        }
    }
    //移除
    function funDelete()
    {
        var objLeft=document.getElementById("listprojMag");
        var objRight =document.getElementById("listFact");
        for(var i=0;i<objRight.length;i++)
        {
            if(objRight[i].selected==true)
            {
                var oOption =new Option(objRight[i].text,objRight[i].value);
                objLeft.options[objLeft.length]=oOption;
                objRight.options.remove(objRight.selectedIndex);
            }
        }
    }
    //全部移除
    function AllDelete()
    {
        var objLeft=document.getElementById("listprojMag");
        var objRight =document.getElementById("listFact");
        for(var i=0;i<objRight.length;i++)
        {
             var oOption =new Option(objRight[i].text,objRight[i].value);
             objLeft.options[objLeft.length]=oOption;
        }
        objRight.innerHTML="";
    }
    //全部加入
    function AllAdd()
    {
        var objLeft=document.getElementById("listprojMag");
        var objRight =document.getElementById("listFact");
        for(var i=0;i<objLeft.length;i++)
        {
             var oOption =new Option(objLeft[i].text,objLeft[i].value);
             objRight.options[objRight.length]=oOption;
        }
        objLeft.innerHTML="";
    }
    //提交
    function Submit()
    {
        var divobj =document.getElementById("divobj");
        var objLeft=document.getElementById("listprojMag");
        var objRight =document.getElementById("listFact");
        var str ="";
        for(var i=0;i<objRight.length;i++)
        {
            str+=objRight[i].text+",";
        }
        str=str.substring(0,str.length-1);
        divobj.innerHTML =str;
    }

原文地址:https://www.cnblogs.com/donetbaoxj320/p/1339987.html