struts1求解！为什么action中传递的actionform是空
这是登录页面的部分代码
<form name="usersForm" method="post" action="logon.do?action=logon"> <table width="432" height="236" border="0" cellpadding="0" cellspacing="0" background="images/login.gif"> <tr align="center"> <td height="128" colspan="2" > </td> </tr> <tr> <td width="170" height="31" align="center" >用户名：</td> <td width="230" height="31" > <input name="username" type="text" class="input"> </td> </tr> <tr> <td width="170" height="29" align="center">密 码：</td> <td width="230" height="29" ><input name="password" type="password" class="input" ></td> </tr> <tr> <td height="70" colspan="2" align="center" ><input type="submit" name="Submit" value="登陆" class="button"> <input type="reset" name="Submit2" value="重置"class="button"></td> </tr> </table>
<struts-config> <form-beans> <form-bean name="userForm" type="com.ems.actionform.UsersForm" /> </form-beans> <global-forwards> <forward name="error" path="/error.jsp" /> </global-forwards> <action-mappings> <action path="/logon" type="com.ems.action.UsersAction" name="userForm" scope="request"> <forward name="success" path="/manage.jsp" /> <forward name="failed" path="/failed.jsp" /> </action> </action-mappings></struts-config>
package com.ems.actionForm;import javax.servlet.http.HttpServletRequest;import org.apache.struts.action.ActionErrors;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionMapping;import com.ems.model.Users;import com.ems.util.DateUtil;public class UsersForm extends ActionForm { private Long id; private String username; private String password; private Byte sex; private String birthday; private String createtime; private Byte isadmin; private String content; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public Byte getSex() { return sex; } public void setSex(Byte sex) { this.sex = sex; } public String getBirthday() { return birthday; } public void setBirthday(String birthday) { this.birthday = birthday; } public String getCreatetime() { return createtime; } public void setCreatetime(String createtime) { this.createtime = createtime; } public Byte getIsadmin() { return isadmin; } public void setIsadmin(Byte isadmin) { this.isadmin = isadmin; } public String getContent() { return content; } public void setContent(String content) { this.content = content; } public void reset(ActionMapping arg0, HttpServletRequest arg1) { this.id=null; this.username=null; this.password=null; this.isadmin=null; this.createtime=null; this.content=null; this.sex=null; this.birthday=null; } public ActionErrors validate(ActionMapping arg0, HttpServletRequest arg1) { return null; } public String toString() { StringBuffer toStr = new StringBuffer(); toStr.append("[UsersForm] = [\n"); toStr.append(" id = " + this.id + ";\n"); toStr.append(" username = " + this.username + ";\n"); toStr.append(" password = " + this.password + ";\n"); toStr.append(" sex = " + this.sex + ";\n"); toStr.append(" birthday = " + this.birthday+ ";\n"); toStr.append(" createtime = " + this.createtime+ ";\n"); toStr.append(" isadmin = " + this.isadmin+ ";\n"); toStr.append(" content = " + this.content + ";\n"); toStr.append(" ];\n"); return toStr.toString(); } public Users populate(){ Users u=new Users(); u.setId(getId()); u.setIsadmin(getIsadmin()); u.setContent(getContent()); u.setUsername(getUsername()); u.setPassword(getPassword()); u.setSex(getSex()); u.setBirthday(DateUtil.parseToDate(getBirthday(),DateUtil.yyyyMMdd)); u.setCreatetime(DateUtil.parseToDate(getCreatetime(),DateUtil.yyyyMMddHHmmss)); return u; }}
package com.ems.action;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import org.hibernate.HibernateException;import com.ems.actionForm.UsersForm;import com.ems.model.Users;import com.ems.service.UsersDao;public class UsersAction extends Action { private UsersDao usersDao = new UsersDao(); public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String action =request.getParameter("action"); System.out.println("action = "+action+",这里是测试2"); System.out.println("\nUsersAction*********************action="+action); if(action==null||"".equals(action)){ return mapping.findForward("error"); }else if("listuser".equals(action)){ return listUser(mapping,form,request,response); }else if("adduser".equals(action)){ return addUsers(mapping,form,request,response); }else if("logon".equals(action)){ System.out.println("这里是测试3"); return logon(mapping,form,request,response); }else if("updateuser".equals(action)){ return updateUser(mapping,form,request,response); }else if("deleteuser".equals(action)){ return deleteUser(mapping,form,request,response); }else if("selectuser".equals(action)){ return selectUser(mapping,form,request,response); } return mapping.findForward("error"); } private ActionForward logon(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws HibernateException { System.out.println(request.getParameter("password")+"这里是测试4"); System.out.println("form = "+form+"这里是测试5"); UsersForm usersform=(UsersForm)form; System.out.println("userform.getUsername() = "+usersform.getUsername()+"这里是测试6"); System.out.println("userform.getPassword() = "+usersform.getPassword()+"这里是测试7"); Users users=new Users(); users.setUsername(usersform.getUsername()); users.setPassword(usersform.getPassword()); boolean flag=usersDao.logonUsers(users); if(flag){ request.getSession().setAttribute("users",users); return mapping.findForward("success"); }else{ return mapping.findForward("failed"); } }}