Posted in Javascript onNovember 07, 2013
<html> <head> <meta http-equiv="Content-Type " content="text/html; charset=gb2312 "> <title>list测试</title> </head> <body> <div style="font-size: 10pt;"> 注1:左右移动进行选取 <br /> <br /> 注:本页面仅在IE6/FireFox1.5下测试过。其它浏览器或其它版本未经测试。 <br /> <hr /> </div> <form name="frm"> <table> <tr> <td> <select name="SrcSelect" size="6" style="font-size: 11pt; width: 160px; height: 160px" multiple="multiple" ondblclick="moveLeftOrRight(document.frm.SrcSelect,document.frm.ObjSelect) "> <option value="1">讲师</option> </select> </td> <td width="30px"> <input align="left" type="button" value="> " onclick="moveLeftOrRight(document.frm.SrcSelect,document.frm.ObjSelect) "> <br> <br> <input align="left" type="button" value=" < " onclick="moveLeftOrRight(document.frm.ObjSelect,document.frm.SrcSelect) "> </td> <td> <select name="ObjSelect" size="6" style="font-size: 11pt; width: 160px; height: 160px" multiple="multiple" ondblclick="moveLeftOrRight(document.frm.ObjSelect,document.frm.SrcSelect) "> <option value="2">教学管理员</option> <option value="3">超级管理员</option> </select> </td> </tr> </table> </form> </body> <script type="text/javascript" language="javascript"> //上移 function moveUp() { var theObjOptions = document.frm.ObjSelect.options; for (var i = 1; i < theObjOptions.length; i++) { if (theObjOptions[i].selected && !theObjOptions[i - 1].selected) { swapOptionProperties(theObjOptions[i], theObjOptions[i - 1]); } } } //下移 function moveDown() { var theObjOptions = document.frm.ObjSelect.options; for (var i = theObjOptions.length - 2; i > -1; i--) { if (theObjOptions[i].selected && !theObjOptions[i + 1].selected) { swapOptionProperties(theObjOptions[i], theObjOptions[i + 1]); } } } function swapOptionProperties(option1, option2) { var tempStr = option1.value; option1.value = option2.value; option1.value = tempStr; tempStr = option1.text; option1.text = option2.text; option2.text = tempStr; tempStr = option1.selected; option1.selected = option2.selected; option2.selected = tempStr; } //列表框的位置移动 function moveLeftOrRight(fromObj, toObj) { for (var i = 0; i < fromObj.length; i++) { var srcOption = fromObj.options[i]; if (srcOption.selected) { toObj.appendChild(srcOption); i--; } } } </script>
使用javascript实现ListBox左右全选,单选,多选,全请
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