jsp 文件显示中文怎么乱码
<HTML><HEAD><TITLE>login.jsp</TITLE>
<META content="MSHTML 6.00.2726.2500" name=GENERATOR>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<body>
<table align="center" border="0" width=100% cellspacing="0" cellpadding="0" height="355">
<tr>
<td width="150" height="355" valign="top">
</td>
<td width="10" height="100%"></td>
<td width="1" height="100%" bgcolor="#3399ff"></td>
<td width="10" height="100%"></td>
<td width="589" height="331" valign="top" background="images/bg1.gif">
<table border="0" width="100%" cellspacing="0" cellpadding="0" height="307">
<tr>
<td width="100%" colspan="2" height="20" bgcolor="#3399ff"> <font color="#ffffff">成员登录</font>
</td>
</tr>
<form action="login_ok.jsp" method="post">
<tr><td align="right" height="32" width="40%">名字:</td>
<td>
<input type="hidden" name="returl" value="">
<input type="text" name="logname" value="">
</td>
</tr>
<tr>
<td align="right" height="32">密码:</td>
<td>
<input type="password" name="logpass">
</td>
</tr>
<tr>
<td align="center" colspan="2" height="32"> |
<a href="findpass.jsp">密码忘了,找一下</a> |
<a href="reg.jsp">注册新用户</a> |
<input type="submit" name="login" value="登录!">
</td>
</tr>
</form>
<tr>
<td colspan="2" align="right"> </td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>
这个纯粹HTML文件存为login.jsp时乱码,但存为login.html时字符集正确,为什么?????????????请大侠们指教