tongxun/control.java

package com.example.webproject.com.Control;

import com.example.webproject.com.Mapper.account_operator;
import com.example.webproject.com.Mapper.user_data_operator;
import com.example.webproject.com.Pojo.account;
import com.example.webproject.com.Pojo.user_data;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.GetMapping;
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 javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;

@Controller
public class control {
    @Autowired
    public account_operator account_operator;
    @Autowired
    public user_data_operator user_data_operator;



    //这个是访问登录界面
    @GetMapping("/index")
    public String test()throws Exception{
        System.out.println("index");
        //   注意在使用thymleaf时要注意 版本要和starter-web的要配合使用
        //否者会跳转不到相应的界面
        return "Login";
    }


    //这里要开始编写我们的对于账号上面的处理了
    @RequestMapping("/postProcessorRegistration")

    public ModelAndView postProcessorRegistration(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse,@RequestParam Map<String,String> map){
        System.out.println("postProcessorRegistration");
        //这里我们是进行注册操作
        //我们先去数据库里面查一下，有没有这个账号
        //有就给出错误
        //否则就将其插入
        //不能获取model 要获取modelMap
//        Map<String, Object> model = modelAndView.getModel();

        String account = (String)map.get("account");
        String password = (String)map.get("password");
        ModelAndView modelAndView = new ModelAndView();
        account one = account_operator.findOne(account);
        System.out.println("数据库中查询的值： "+one);
        if(one == null){
             System.out.println("数据库中不存在，进行插入操作");
            account_operator.insertOne(new account(account,password));
            System.out.println("插入完成");
            //在这里我们要将账号创建成功的消息显示出来
            modelAndView.setViewName("Login");
            modelAndView.addObject("isHaveAccount","");
        }else{
            //在这里我们要将账号已近存在的消息回显
            modelAndView.setViewName("Login");
            modelAndView.addObject("isHaveAccount","当前账号已有");
        }


        return modelAndView;
    }

    //这里要开始编写我们的对于账号上面的处理了
    @RequestMapping("/postProcessorLogin")
//    @ResponseBody
    public ModelAndView  postProcessorLogin(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse,@RequestParam Map<String,String> map){
        System.out.println("postProcessorLogin");
        ModelAndView modelAndView = new ModelAndView();
        //首先我们先从map中拿到 account和 password
        String account = (String)map.get("account");
        String password = (String)map.get("password");
        System.out.println("account=="+account);
        System.out.println("password=="+ password);
        account one = account_operator.findOne(account);
        if(one == null){
            System.out.println("还没有账号，请注册一个");
            //将没有账号显示出去，提醒用户注册账号
            modelAndView.addObject("isHaveAccount","还没有账号，注册一个");
            modelAndView.setViewName("Login");
        }else{
            if((one.getTxl_password().equals(password))){
                System.out.println("密码正确，登入成功");
//                modelAndView.setViewName("data_operator");
                modelAndView.setViewName("redirect:data");
                //在这里要进行coockie的设置，在response 里面进行操作
                //我们要在登入界面进行操作，一旦登入操作成功，我们就在这里进行cookie设置
                //将cookie设置过去
                Cookie account_cookie = new Cookie("account",account);
                Cookie password_cookie = new Cookie("password",password);
                httpServletResponse.addCookie(account_cookie);
                httpServletResponse.addCookie(password_cookie);
            }else{
                System.out.println("密码错误，登入失败");
                modelAndView.setViewName("Login");
            }
        }
        return modelAndView;
    }


    @RequestMapping("data")
    public ModelAndView data_operator(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse){
        //获得所有的cookie
        Cookie[]cookies = httpServletRequest.getCookies();
        //为cookie设置过期时间
        String account = "";
        for (Cookie cookie : cookies) {
            //当我们设置了cookie之后就只能通过https进行传输了，不会在http里面进行传输
           // cookie.setSecure(true);
            //设置为1星期的过期时间
//            cookie.setMaxAge(7*24*60*60);
            System.out.println(cookie.getName() + "==" + cookie.getValue());
            if("account".equals(cookie.getName())){
                account = cookie.getValue();
            }
        }
        //我们就可以设置cookie,当我们发现cookie里面已经存在了账户，之后就直接显示当前的这个用户的数据
        ModelAndView modelAndView = new ModelAndView();
        //这里我们后面肯定是要根据我们当前的一个用户，进行操作的
        //我们根据页面上面的显示来进行操作
        //页面上面有什么么，我们就要进行什么操作
        //就显示一个列表，通过一个参数显示每页 要显示多少的数据，在显示出来总数据的条数
        //在每条数据的后面我们就显示，一个删除的按钮，修改，


        List<user_data> all = user_data_operator.findOne(account);
        modelAndView.addObject("user_data",all);
        modelAndView.setViewName("data_operator");
        return modelAndView;
    }

    @RequestMapping("add_user_data")
    public ModelAndView add_user_data(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse,@RequestParam Map<String,String> map){

        System.out.println("add_user_data");
        ModelAndView modelAndView = new ModelAndView();
        Cookie[]cookies = httpServletRequest.getCookies();
        //为cookie设置过期时间
        String account = "";
        for (Cookie cookie : cookies) {
            //当我们设置了cookie之后就只能通过https进行传输了，不会在http里面进行传输
            // cookie.setSecure(true);
            //设置为1星期的过期时间
//            cookie.setMaxAge(7*24*60*60);
            System.out.println(cookie.getName() + "==" + cookie.getValue());
            if("account".equals(cookie.getName())){
                account = cookie.getValue();
            }
        }

        //获取数据
        String name = map.get("name");
//        String sex = map.get("sex");
        String contact_phone_number = map.get("contact_phone_number");
        if(name != null   || contact_phone_number != null){
            //插入操作
            user_data_operator.insertOne(account,name,contact_phone_number);
            modelAndView.addObject("message","插入成功");
            System.out.println("here");

            //modelAndView.setViewName("redirect:data");
        }else{
            modelAndView.setViewName("add_user_data");
        }
        return modelAndView;
    }
    @RequestMapping("delete_user_data")
    public ModelAndView delete_user_data(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse,@RequestParam Map<String,String> map){


        System.out.println("delete_user_data");
        ModelAndView modelAndView = new ModelAndView();
        Cookie[]cookies = httpServletRequest.getCookies();
        //为cookie设置过期时间
        String account = "";
        for (Cookie cookie : cookies) {
            //当我们设置了cookie之后就只能通过https进行传输了，不会在http里面进行传输
            // cookie.setSecure(true);
            //设置为1星期的过期时间
//            cookie.setMaxAge(7*24*60*60);
            System.out.println(cookie.getName() + "==" + cookie.getValue());
            if("account".equals(cookie.getName())){
                account = cookie.getValue();
            }
        }

        String name = map.get("name");
        if(name != null ){
            //删除操作
//            user_data_operator
           Integer col =  user_data_operator.deleteOne(account,name);
           if(col != 0){
               modelAndView.addObject("message","删除成功");
           }else{
               modelAndView.addObject("message","此联系人不存在");
           }

            System.out.println("here");

           // modelAndView.setViewName("redirect:data")
        }else{

           modelAndView.setViewName("delete_user_data");
        }
        return modelAndView;
    }
    @RequestMapping("find_user_data")
    public ModelAndView find_user_data(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse,@RequestParam Map<String,String> map){


        System.out.println("find_user_data");
        ModelAndView modelAndView = new ModelAndView();
        Cookie[]cookies = httpServletRequest.getCookies();
        //为cookie设置过期时间
        String account = "";
        for (Cookie cookie : cookies) {
            //当我们设置了cookie之后就只能通过https进行传输了，不会在http里面进行传输
            // cookie.setSecure(true);
            //设置为1星期的过期时间
//            cookie.setMaxAge(7*24*60*60);
            System.out.println(cookie.getName() + "==" + cookie.getValue());
            if("account".equals(cookie.getName())){
                account = cookie.getValue();
            }
        }
        String name = map.get("name");

        //查找完成后英爱回显数据
        if(name != null ){
            //查找操作
            List<user_data> oneByName = user_data_operator.findOneByName(account, name);
            modelAndView.addObject("message","查找完成");
            modelAndView.addObject("user_data",oneByName);
            System.out.println("here");
            //modelAndView.setViewName("redirect:data");
        }else{
            modelAndView.setViewName("find_user_data");
        }

        return modelAndView;
    }


}