SSH2+ajax+jsp登录源码

一、创建User对象：

/**

UserBean

*/

public class User implements Serializable{

private Integer primaryId;

private String userName;

private String passWord;

//set/get方法

....

}

二、配置user.hbm.xml

<?xmlversion="1.0"encoding="UTF-8"?>
<!DOCTYPEhibernate-mappingPUBLIC
"-//Hibernate/HibernateMappingDTD3.0//EN"
" http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<classname="com.dss.model.User"table="MEMB_MS"lazy="true">
<idname="primaryId"column="MEMB_CODE"/>
<propertyname="userName"column="MEMB_ID"></property>
<propertyname="passWord"column="MEMB_PWD"></property>
</class>
</hibernate-mapping>

三、编写DAO层、service层、action层

1、DAO层

public class UserDaoImpl extends HibernateDaoSupport implements UserDao {

SQLQuery query;

public boolean isLogin(String userName,String passWord) {

String hql = "from User where userName = ? and passWord = ?";

try {

@SuppressWarnings("rawtypes")

List result = getHibernateTemplate().find(hql,new Object[] { userName,passWord });

System.out.println(hql);

if (result.size() > 0)

return true;

} catch (Exception ex) {

ex.getStackTrace();

}

return false;

}

}

2、service层

/**

* 判断登录service实现类

*/

public boolean isLogin(String userName,String passWord) {

try {

return this.userDao.isLogin(userName,passWord);

} catch (Exception ex) {

System.out.println("判断是否登录成功异常:" + ex.getMessage());

}

return false;

}

3、action层

private static final long serialVersionUID = 1L;

private User user;

private UserService userService;

private HttpServletRequest request = null;

private String result;

//创建getset方法...

/**

* 登录

* @return

*/

public String loginMethod() {

String status;

try {

request = ServletActionContext.getRequest();

String userName = request.getParameter("userName");

String passWord = request.getParameter("passWord");

System.out.println("参数:"+userName+"t"+passWord);

JSONObject json = new JSONObject(); //创建json对象

if(!userService.isLogin(userName,passWord)){

status = "false";

json.put("message",status); //将结果转换为json对象

result = json.get("message").toString(); //将json对象赋值给result返回到前台

System.out.println("错误时返回结果:"+json);

return "input";

}else{

status = "true";

json.put("message",status);//将结果转换为json对象

result = json.get("message").toString();//将json对象赋值给result返回到前台

System.out.println("正确时返回结果:"+json);

System.out.println("登录成功...");

return "success";

}

} catch (Exception ex) {

System.out.println("查询异常:"+ex.getMessage());

ex.printStackTrace();

}

return "input";

}

四、struts.xml配置

<!-- 登录action,jsonAjax -->

<action name="loginAction" class="com.dss.controller.UserAction" method="loginMethod"> <!-- 类名需要修改 -->

<result name="success" type="json">

<param name="root">result</param>

</result>

<result name="input" type="json">

<param name="root">result</param>

</result>

<interceptor-ref name="myStack"></interceptor-ref>

</action>

五、编写jsp页面将前台数据通过ajax传到后台

(只显示ajax提交代码..)

var data = {

"userName" : userName,

"passWord" : passWord

};

var returnVal;

$.ajax({

type : "post",

url : "loginAction.action",//传入struts.xml中配置好的action名称

data : data,

async : true,

dataType : "json",//设置需要返回的数据类型

success : function(data){

returnVal = eval("("+data+")");

if(returnVal.toString() == "true"){//登录成功跳转

window.location.href = "infoPersonal.jsp";

}else if(returnVal.toString() == "false"){//提示错误

var mess = "UserName Or PassWord Error";

//jquery的layer插件

layer.msg(mess,{

time:2000,//时间为5秒

maxWidth : '300px',//最大宽度为300px

shade : [0.1,'#000',true],//弹出遮罩(透明度,颜色,是否弹出)

});

}

}

});

html页面只需把form表单中的按钮改为button类型即可；