复制代码 代码如下:

<input name="" type="text" id="newDirtxt"/>

<input name="" type="button" value="创建新目录" />

?<BR><BR><BR>Js代码 <BR><BR><script type="text/javascript">

////创建新目录

function newDir() {

var txt = document.getElementById("newDirtxt");

var dirname = txt.value;

if (dirname) {

alert("请填写目录名");

} 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 = "";

alert("增加成功");

} else {

alert("增加失败");

}

}

});

}//else

}

</script><BR><BR><BR>后台代码 <BR><BR>返回刚刚插入的目录的id字符串 <BR>