代碼如下:
  <input name="" type="text"  id="newDirtxt"/>

<input class="btn" name="" type="button" value="創(chuàng)建新目錄"  onclick="newDir()" />
 

?<BR><BR><BR>Js代碼 <BR><BR><script type="text/javascript">
////創(chuàng)建新目錄
        function newDir() {
            var txt = document.getElementById("newDirtxt");
            var dirname = txt.value;
            if (dirname) {
                alert("請?zhí)顚懩夸浢?);
            } else {
                $.ajax({
                    type: "Post",
                    url: "/center/directorynew",
                    async: false,
                    data: { dirname: dirname },
                    success: function(msg) {
                        if (msg.length < 40) {
                            var DirectoryID = document.getElementById("DirectoryID");
                            var tOption = document.createElement("Option");
                            tOption.text = dirname;
                            tOption.value = msg;
                            DirectoryID.appendChild(tOption);
                            txt.value = "";