cms-登陆

先介绍下登陆的思路：

1.在登陆页面首先前端验证用户名和密码是否正确，如果验证通过，则ajax的方式向后台提交数据。

2.在controller层，将得到的用户名名和密码封装进shiro的token，在提交token过程中如果成功则登陆成功，如果出现异常则登陆失败，并且把登陆情况发送回登陆页面

3.controller层执行subject时候调用realm，realm里面有俩个函数，一个验证权限一个验证身份，在此调用验证身份的函数。在token中得到传过来的用户名，根据用户名查询与该用户名对应的数据，

把查询得到的数据与token做对比，如果正确则登陆成功，如果失败则登陆失败，最后将信息存放在session中

---------------------------------------------------------------------

1.login.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!doctype html>
<html lang="en" class="login-content" data-ng-app="materialAdmin">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="Generator" content="EditPlus?">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>管理员登录界面</title>

<link href="${pageContext.request.contextPath}/static/login/css/material-design-iconic-font/css/material-design-iconic-font.min.css" rel="stylesheet" type="text/css">

<link href="${pageContext.request.contextPath}/static/login/css/app.min.1.css" rel="stylesheet" type="text/css">
<script type="text/javascript">

</script>
</head>
<body class="login-content" data-ng-controller="loginCtrl as lctrl">

<div class="lc-block" id="l-login" data-ng-class="{‘toggled‘:lctrl.login === 1}">
<h1 class="lean">Login</h1>

<div >
成都金广通科技有限公司版本所有 2012-2016
</div>

</div>

</body>

<script src="${pageContext.request.contextPath}/static/login/js/bower_components/angular-ui-router/release/angular-ui-router.min.js"></script>
<script src="${pageContext.request.contextPath}/static/login/js/bower_components/angular-loading-bar/src/loading-bar.js"></script>
<script src="${pageContext.request.contextPath}/static/login/js/bower_components/oclazyload/dist/ocLazyLoad.min.js"></script>
<script src="${pageContext.request.contextPath}/static/login/js/bower_components/angular-bootstrap/ui-bootstrap-tpls.min.js"></script>

<script src="${pageContext.request.contextPath}/static/login/js/bower_components/angular-nouislider/src/nouislider.min.js"></script>
<script src="${pageContext.request.contextPath}/static/login/js/bower_components/ng-table/dist/ng-table.min.js"></script>

<script src="${pageContext.request.contextPath}/static/login/js/modules/form.js"></script>
</html>

------------------------------------------------------------------------------------

controller

package com.open1111.controller;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.open1111.entity.Manager;
import com.open1111.service.ManagerService;
import com.open1111.util.Md5Util;
import com.open1111.util.ResponseUtil;

import net.sf.json.JSONObject;

/**
* 管理员Controller层
* @author user
*
*/
@Controller
@RequestMapping("/manager2")
public class ManagerController {

@Resource
private ManagerService managerService;

/**
* 用户登录
* @param manager
* @param response
* @return
* @throws Exception
*/
@RequestMapping("/login")
public String login(Manager manager,HttpServletResponse response)throws Exception{
Subject subject=SecurityUtils.getSubject();
UsernamePasswordToken token=new UsernamePasswordToken(manager.getUserName(), Md5Util.md5(manager.getPassword(), Md5Util.SALT));
JSONObject result=new JSONObject();
try{
subject.login(token);
result.put("success", true);
}catch(Exception e){
result.put("success", false);
result.put("errorInfo", "用户名或者密码错误！");
e.printStackTrace();
}
ResponseUtil.write(response, result);
return null;
}
}

-------------------------------------------------------------------------------------------------------------

util

package com.open1111.util;

import org.apache.shiro.crypto.hash.Md5Hash;

/**
* Md5加密工具类
* @author user
*
*/
public class Md5Util {

public static final String SALT="open1111";

/**
* Md5加密
* @param str
* @param salt
* @return
*/
public static String md5(String str,String salt){
return new Md5Hash(str, salt).toString();
}

public static void main(String[] args) {
String password="123456";
System.out.println("Md5加密后："+Md5Util.md5(password, Md5Util.SALT));
}
}

package com.open1111.util;

import java.io.PrintWriter;

import javax.servlet.http.HttpServletResponse;

/**
* ajax返回输出流工具类
* @author user
*
*/
public class ResponseUtil {

/**
* 页面输出
* @param response
* @param o
* @throws Exception
*/
public static void write(HttpServletResponse response,Object o)throws Exception{
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
out.println(o.toString());
out.flush();
out.close();
}
}

----------------------------------------------------------------------------------------------

realm

package com.open1111.realm;

import javax.annotation.Resource;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;

import com.open1111.entity.Manager;
import com.open1111.service.ManagerService;

/**
* 自定义Reaml
* @author user
*
*/
public class MyRealm extends AuthorizingRealm{

@Resource
private ManagerService managerService;

/**
* 为当前登录用户授予角色和权限
*/
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
// TODO Auto-generated method stub
return null;
}

/**
* 验证当前登录的用户
*/
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
String userName=(String) token.getPrincipal();
Manager manager=managerService.getByUserName(userName);
if(manager!=null){
SecurityUtils.getSubject().getSession().setAttribute("currentUser", manager);
AuthenticationInfo authcInfo=new SimpleAuthenticationInfo(manager.getUserName(), manager.getPassword(), "xxx");
return authcInfo;
}else{
return null;
}
}

}

------------------------------------------------------------------------------

service

package com.open1111.service.impl;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.open1111.dao.ManagerDao;
import com.open1111.entity.Manager;
import com.open1111.service.ManagerService;

/**
* 管理员Service实现类
* @author user
*
*/
@Service("managerService")
public class ManagerServiceImpl implements ManagerService{

@Resource
private ManagerDao managerDao;

public Manager getByUserName(String userName) {
return managerDao.getByUserName(userName);
}
}

--------------------------------------------------------------------

dao

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.open1111.dao.ManagerDao">

<select id="getByUserName" parameterType="String" resultMap="ManagerResult">
select * from t_manager where userName=#{userName}
</select>

</mapper>

时间： 2024-08-24 23:37:48

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