jsp form表单action传值乱码问题
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
String id = request.getParameter("id");
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
   <head>
     <base href="<%=basePath%>">      
     <title>专辑详细信息</title>      
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">     
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">	
	<link href="css/common.css" rel="stylesheet" type="text/css"/>	
   </head>
   <body onload="init()">
      <div id="page" class="page_top1" style="margin:5px">
      <a href="jsp/song/manage.jsp" target="main">歌曲维护</a>
        <a href="jsp/song/albumManage.jsp">专辑维护</a>
        <a href="jsp/song/artsitManage.jsp">歌手维护</a>
        <br><br>
       <form id="form" action="" method="post">
     	<table cellpadding="0" cellspacing="0">
     	<tr><td align="right">专 辑 名:</td><td><input type="text" name="albumName" size="30"/></td></tr>
     	<tr><td align="right">歌 手 名:</td><td><input type="text" name="art" size="30"/></td></tr>
     	<tr><td align="right">发行时间:</td><td><input type="text" name="date"/></td></tr>
     	<tr><td align="right">图  片:</td><td><input type="text" name="pic" size="60"/></td></tr>
     	<tr><td align="right" valign="top">描    述:</td><td><textarea id="miaoshu" name="detail" rows="10" cols="60"></textarea></td></tr>
     	<tr><td align="center"></td><td>    <input type="submit" class="submit-button" value="提交" onclick="return go()"/></td></tr>
     	</table>
       </form>
     </div>
   </body>    
    <script type="text/javascript" src="${pageContext.request.contextPath}/jquery/jquery.js"></script>
   <script type="text/javascript">
   function init(){
	  $.ajax({		
	  		url:"song/songManage_getAlbumDetail",
	  	  	type:"POST",
	  	  	dataType: "json",
	  	  	data: {"ids":<%=id%>},
	  	  	success: function(msg) {
	  	  		var album = eval(msg);
	  	  		if(album.length>0){
	  	  			for(var i=0;i<album.length;i++){
		  	  			$("input[name=albumName]").attr("value",album[i].name);