有什么问题请到评论中发表<br> <!--# 特效来源：http://www.mb5u.com/jscode --> <!-- 把如下代码加入<body>区域中 --> <SCRIPT LANGUAGE=\"JavaScript\"> <!-- Begin sortitems = 1; // Automatically sort items within lists? (1 or 0) function move(fbox,tbox) { for(var i=0; i<fbox.options.length; i++) { if(fbox.options[i].selected && fbox.options[i].value != \"\") { var no = new Option(); no.value = fbox.options[i].value; no.text = fbox.options[i].text; tbox.options[tbox.options.length] = no; fbox.options[i].value = \"\"; fbox.options[i].text = \"\"; } } BumpUp(fbox); if (sortitems) SortD(tbox); } function BumpUp(box) { for(var i=0; i<box.options.length; i++) { if(box.options[i].value == \"\") { for(var j=i; j<box.options.length-1; j++) { box.options[j].value = box.options[j+1].value; box.options[j].text = box.options[j+1].text; } var ln = i; break; } } if(ln < box.options.length) { box.options.length -= 1; BumpUp(box); } } function SortD(box) { var temp_opts = new Array(); var temp = new Object(); for(var i=0; i<box.options.length; i++) { temp_opts[i] = box.options[i]; } for(var x=0; x<temp_opts.length-1; x++) { for(var y=(x+1); y<temp_opts.length; y++) { if(temp_opts[x].text > temp_opts[y].text) { temp = temp_opts[x].text; temp_opts[x].text = temp_opts[y].text; temp_opts[y].text = temp; temp = temp_opts[x].value; temp_opts[x].value = temp_opts[y].value; temp_opts[y].value = temp; } } } for(var i=0; i<box.options.length; i++) { box.options[i].value = temp_opts[i].value; box.options[i].text = temp_opts[i].text; } } // End --> </script> <form ACTION=\"\" METHOD=\"POST\"> <table border=\"0\"> <tr> <td><select multiple size=\"5\" name=\"list1\"> <option value=\"11\"> item 1.1 </option> <option value=\"12\"> item 1.2 </option> <option value=\"13\"> item 1.3 </option> </select></td> <td> <input type=\"button\" value=\" >> \" onclick=\"move(this.form.list1,this.form.list2)\" name=\"B1\"><br> <input type=\"button\" value=\" << \" onclick=\"move(this.form.list2,this.form.list1)\" name=\"B2\"> </td> <td><select multiple size=\"5\" name=\"list2\"> <option value=\"21\"> item 2.1 </option> <option value=\"22\"> item 2.2 </option> <option value=\"23\"> item 2.3 </option> </select></td> </tr> </table> </form>
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