<div id="right_content">
<div class="members_login">
<s:if test="#session.user != null">
<h3>欢迎您!<s:property value="#session.user.nickname"/>
<s:if test="#session.user.username == 'admin'">
<a href="admin/admin">后台管理</a>
</s:if>
<a href="logout.action">注销</a></h3>
<p><a href="showMessages.action" class="login_submit">进入留言</a></p>
</s:if><s:else>
<h1>用户登录</h1>
<form action="login" method="post" name="form_login"
onsubmit="return validate(this);">
<div class="login_row">
<label class="login">用户名:</label>
<s:textfield name="username" cssClass="login_input"></s:textfield>
</div>
<div class="login_row">
<label class="login">密码:</label>
<s:password name="password" cssClass="login_input"></s:password>
</div>
<div class="login_row">
<s:submit cssClass="login_submit" value="登录" ></s:submit>
<label>没有用户名?请<a href="${pageContext.request.contextPath}/registerUI.action">注册</a></label>
</div>
</form>
<s:fielderror cssStyle="color:red;font-size:12px"></s:fielderror>
</s:else>
</div>
onsubmit="return validate(this)几个。JSP页面都错误,自己弄了好久都没弄好,请高手教教我