摘要:
首先js判断listbox不为空var lst1=window.document.getElementById("SourceListBox").length;if(lst1==0){alert("不能为空!");}然后两个listbox移植 1 function MoveListBoxToRight(leftname, rightname) { 2 var size = $("#" + leftname + " option").size(); 3 var selsize = $("#" + 阅读全文