报错了 实在解决不了 麻烦 帮我看看 谢谢了
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
Songs song = (Songs)request.getAttribute("song");
ShowAllSongs sas = new ShowAllSongs();
PrintWriter out = response.getWriter();
int result = sas.updataSonginfo(song, song.getSongid());
if(result == 0){
out.println("更新失败！请重新检查或联系开发者！</p>");
out.println("<a href="./showAllSongList.jsp" >返回歌曲列表</a>");
}else{
out.println("更新成功！</p>");
out.println("<a href="./showAllSongList.jsp" >返回歌曲列表</a>");
}
}
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<jsp:directive.page import="com.fjzkx.onlineTelQQ.biz.ShowAllSongs"/>
<jsp:directive.page import="com.fjzkx.onlineTelQQ.data.Songs"/>
<jsp:directive.page import="com.fjzkx.onlineTelQQ.db.DBConnection"/>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'editSongsInfo.jsp' starting page</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="编辑歌曲信息">
</head>
<body>
<%
Songs song = new Songs();
String sid = request.getParameter("songid");
int songid = Integer.parseInt(sid);
ShowAllSongs showAllSongs = new ShowAllSongs();
try{
song = showAllSongs.getSongInfo(songid);
}catch(Exception e){
e.printStackTrace();
}
if(song!=null){
%>
<form action="/www/servelet/editSongInfo" method="post">
<table border="1" align="center">
<tr>
<th align="center">歌曲编号</th>
<th align="center">分类编号</th>
<th align="center">拼音字母</th>
<th align="center">歌曲地址</th>
<th align="center">加入时间</th>
<th align="center">歌曲名称</th>
<th align="center">歌手</th>
<th align="center">图片地址</th>
<th align="center">大图片地址</th>
<th align="center">小图片地址</th>
<th align="center">歌词地址</th>
<th align="center">频道</th>
<th align="center">点击率</th>
<th align="center">备注</th>
</tr>
<tr>
<td><input id="songid" name="songid" type="text" value="<%=song.getSongid()%>"/></td>
<td><input id="typeid" name="typeid" type="text" value="<%=song.getTypeid()%>"/></td>
<td><input id="abc" name="abc" type="text" value="<%=song.getAbc()%>"/></td>
<td><input id="songurl" name="songurl" type="text" value="<%=song.getSongurl()%>"/></td>
<td><input id="dateandtime" name="dateandtime" type="text" value="<%=song.getDateandtime()%>"/></td>
<td><input id="title" name="title" type="text" value="<%=song.getTitle()%>"/></td>
<td><input id="singer" name="singer" type="text" value="<%=song.getSinger()%>"/></td>
<td><input id="img" name="img" type="text" value="<%=song.getImg()%>"/></td>
<td><input id="imgb" name="imgb" type="text" value="<%=song.getImgb()%>"/></td>
<td><input id="imgs" name="imgs" type="text" value="<%=song.getImgs()%>"/></td>
<td><input id="lrc" name="lrc" type="text" value="<%=song.getLrc()%>"/></td>
<td><input id="channel" name="channel" type="text" value="<%=song.getChannel()%>"/></td>
<td><input id="hits" name="hits" type="text" value="<%=song.getHits()%>"/></td>
<td><input id="demo" name="demo" type="text" value="<%=song.getDemo()%>"/></td>
</tr>
<tr>
<td colspan="14" align="center"><input type="submit" value="提交修改"/></td>
</tr>
<%
Songs sgs = new Songs();
int txttypeid = 0;
int txthits = 0;
String txtsongid = request.getParameter("songid");
String testtypeid = request.getParameter("typeid");
if(testtypeid!=null){
txttypeid = Integer.parseInt(testtypeid);
}
String txtabc = request.getParameter("abc");
String txtsongurl = request.getParameter("songurl");
String txtdateandtime = request.getParameter("dateandtime");
String txttitle = request.getParameter("title");
String txtsinger = request.getParameter("singer");
String txtimg = request.getParameter("img");
String txtimgb = request.getParameter("imgb");
String txtimgs = request.getParameter("imgs");
String txtlrc = request.getParameter("lrc");
String txtchannel = request.getParameter("channel");
String testhits = request.getParameter("hits");
if(testhits!=null){
txthits = Integer.parseInt(testhits);
}
String txtdemo = request.getParameter("demo");
sgs.setTypeid(txttypeid);
sgs.setAbc(txtabc);
sgs.setSongurl(txtsongurl);
sgs.setDateandtime(txtdateandtime);
sgs.setTitle(txttitle);
sgs.setSinger(txtsinger);
sgs.setImg(txtimg);
sgs.setImgb(txtimgb);
sgs.setImgs(txtimgs);
sgs.setLrc(txtlrc);
sgs.setChannel(txtchannel);
sgs.setHits(txthits);
sgs.setDemo(txtdemo);
request.setAttribute("song", sgs);
}else{
%>
<h2 align="center">对不起，系统错误，或没有相应的信息，请检查或联系开发者！</h2>
<%
}
%>
</form>
</body>
</html>
