dgt lt/trgt lttr alignquotcenterquotgt lttd heightquot26quotcolspanquot2quotgt lttable widthquot80quot borderquot0quot cellspacingquot0quotcellpaddingquot0quotgt lttr alignquotcenterquotgt lttd widthquot61quotgtltinput typequotsubmitquot valuequot登录quotclassquotbutton_loginquotgtlt/tdgt lt/trgt lt/tablegt lt/tdgt lt/trgt lt/tablegt lt/formgt相关脚本语言为：ltscriptgtfunction submitForm if loginForm.login_name.value.length0 alertquot请输入用户名quot return false if loginForm.login_pwd.value.length0 alertquot请输入密码quot return false loginForm.submitlt/scriptgt相关 Java 文件代码如下：package com.goldtoad.actionimport java.util.ArrayListimport java.util.Listimport javax.servlet.http.HttpServletRequestimport javax.servlet.http.HttpServletResponseimport org.apache.log4j.Loggerimport org.springframework.web.bind.ServletRequestBindingExceptionimport org.springframework.web.servlet.ModelAndViewimport org.springframework.web.servlet.mvc.multiaction.MultiActionControllerimport com.goldtoad.ResultInfoimport com.goldtoad.SystemApplicationimport com.goldtoad.SystemConstantsimport com.goldtoad.UserTokenimport com.goldtoad.dao.SysPostMenuDAOimport com.goldtoad.dao.SysUserDAOimport com.goldtoad.dao.SysUserPostDAOimport com.goldtoad.po.SysPostimport com.goldtoad.po.SysUserimport com.goldtoad.po.YgEmployeeimport com.txtec.utils.RequestUtilpublic class LoginControl extends MultiActionController protected static final Logger log Logger.getLoggerLoginControl.class private SysUserDAO sysUserDAO private SysUserPostDAO sysUserPostDAO private SysPostMenuDAO sysPostMenuDAO public LoginControl public void setSysUserDAOSysUserDAO sysUserDAO this.sysUserDAO sysUserDAO public void setSysUserPostDAOSysUserPostDAO sysUserPostDAO this.sysUserPostDAO sysUserPostDAO public v.