企业项目开发--本地缓存guava cache（2）

package com.xxx.vo.userManagement;

/**
 * guava cache的key
 */
public class AdminCacheKey {
    private String username;
    private String password;
    private int start;
    private int limit;

    public AdminCacheKey() {
    }

    public AdminCacheKey(String username, String password, int start, int limit) {
        this.username = username;
        this.password = password;
        this.start = start;
        this.limit = limit;
    }

    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 int getStart() {
        return start;
    }

    public void setStart(int start) {
        this.start = start;
    }

    public int getLimit() {
        return limit;
    }

    public void setLimit(int limit) {
        this.limit = limit;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + limit;
        result = prime * result
                + ((password == null) ? 0 : password.hashCode());
        result = prime * result + start;
        result = prime * result
                + ((username == null) ? 0 : username.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        AdminCacheKey other = (AdminCacheKey) obj;
        if (limit != other.limit)
            return false;
        if (password == null) {
            if (other.password != null)
                return false;
        } else if (!password.equals(other.password))
            return false;
        if (start != other.start)
            return false;
        if (username == null) {
            if (other.username != null)
                return false;
        } else if (!username.equals(other.username))
            return false;
        return true;
    }
}

package com.xxx.web.admin;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.xxx.model.userManagement.Admin;
import com.xxx.service.userManagement.AdminService;
import com.xxx.util.admin.AdminCookieUtil;

/**
 * adminController
 */
@Controller
@RequestMapping("/admin")
public class AdminController {
    
    @Autowired
    private AdminService adminService;
    
    /**
     * 管理员注册
     */
    @ResponseBody
    @RequestMapping("/register")
    public boolean register(@RequestParam("username") String username,
                            @RequestParam("password") String password){
        Admin admin = new Admin();
        admin.setUsername(username);
        admin.setPassword(password);
        
        boolean isRegisterSuccess = adminService.register(admin);
        
        return isRegisterSuccess;
    }
    
    /**
     * 管理员登录
     */
    @RequestMapping("/login")
    public ModelAndView login(@RequestParam("username") String username,
                              @RequestParam("password") String password,
                              HttpServletResponse response,
                              HttpSession session){
        
        
        Admin admin = adminService.login(username, password);
        
        ModelAndView modelAndView = new ModelAndView();
        if(admin == null){
            modelAndView.addObject("message", "用户不存在或者密码错误！请重新输入");
            modelAndView.setViewName("error");
        }else{
            modelAndView.addObject("admin", admin);
            modelAndView.setViewName("userinfo");
            /*
             * 这为什么不直接传一个username，而传了一个admin，
             * 是因为在实际开发中，你传过去的信息可能不只是username，还有用户手机号、地址等等
             */
            //使用cookie
            AdminCookieUtil.addLoginCookie(admin, response);
            //使用session
            //session.setAttribute("adminSession", admin);
        }
        
        return modelAndView;
    }
    
    /*****************************mybatis xml方式解决的问题*******************************/
    /**
     * 根据username或password查找List<Admin>
     */
    @ResponseBody
    @RequestMapping("/findAdmin")
    public List<Admin> findAdmin(@RequestParam(value="username",required=false) String username,
                                    @RequestParam(value="password",required=false) String password,
                                    @RequestParam("start") int start,
                                    @RequestParam("limit") int limit,
                                    HttpServletRequest request,
                                    HttpSession session){
        Admin admin = AdminCookieUtil.getLoginCookie(request);
        //Admin admin = (Admin) session.getAttribute("adminSession");
        
        if(admin == null){//未登录
            return null;
        }
        System.out.println(admin.toJson());
        List<Admin> adminList = adminService.findAdmin(username, password, start, limit);
        return adminList;
    }
    
    /**
     * 插入一个用户并返回主键
     * 注意：get请求也会自动装配（即将前台传入的username和password传入admin）
     */
    @ResponseBody
    @RequestMapping("/insert")
    public Admin insertAdminWithBackId(Admin admin){
        return adminService.insertAdminWithBackId(admin);
    }
    /*************************guava cache******************************/
    /**
     * 根据username查找List<Admin>
     */
    @ResponseBody
    @RequestMapping("/findAdminByUsername")
    public List<Admin> findAdminByUserName(@RequestParam(value="username") String username){
        
        List<Admin> adminList = adminService.findByUsername(username);
        return adminList;
    }
    
    @ResponseBody
    @RequestMapping("/findAdminList")
    public List<Admin> findAdminList(@RequestParam(value="username") String username,
                                         @RequestParam(value="password",required=false) String password,
                                         @RequestParam("start") int start,
                                         @RequestParam("limit") int limit){
        
        List<Admin> adminList = adminService.findAdminList(username, password, start, limit);
        return adminList;
    }
}