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名师互学网 > IT > 软件开发 > 后端开发 > Java

CMS 9.增删改

Java 更新时间: 发布时间: IT归档 最新发布 模块sitemap 名妆网 法律咨询 聚返吧 英语巴士网 伯小乐 网商动力

CMS 9.增删改

1.模态框

https://v4.bootcss.com/docs/components/modal/

2.MasterApiController中增加实现方法
package edu.td.peanut.controller;

import db.model.UserMaster;
import db.model.UserRule;
import db.service.UserMasterService;
import db.service.UserRuleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import peanut.bean.*;
import peanut.utils.PeanutUtils;

import java.util.Objects;

@Controller
@RequestMapping(value = "master", method = RequestMethod.POST)
public class MasterApiController extends PublicController {
    @Autowired
    private UserMasterService masterService;
    @Autowired
    private UserRuleService ruleService;

    @RequestMapping("loginDeal")
    @ResponseBody//表示直接返回数据给请求对象(浏览器),无需加载指定界面
    public ErrorBean loginDeal(@RequestBody LoginBean loginBean) {
        if (loginBean == null) {
            return ErrorBean.getInstance(1);
        }
        if (!checkCode(loginBean.getTdCode())) {
            //验证码错误,请重试
            return ErrorBean.getInstance(2);
        }
        UserMaster master = masterService.findMasterByUsername(loginBean.getTdUsername());
        if (master == null) {
            //用户名不存在,请重试
            return ErrorBean.getInstance(101);
        }
        if (!Objects.equals(master.getMasterPassword(), PeanutUtils.md5(loginBean.getTdPassword()))) {
            //登录密码错误,请重试
            return ErrorBean.getInstance(102);
        }
        if (!checkToken(loginBean.getToken())) {
            //token错误,当前请求非法
            return ErrorBean.getInstance(3);
        }
        //先做其他数据验证,最终验证token
        //记录登录对象
        session.setAttribute("loginUser", master);
        //构造返回对象
        return ErrorBean.getInstance(0)
                .setTitle("登陆成功")
                .setMsg("登陆成功,即将跳转首页")
                .setUrl("/master/index.do");
    }

    @RequestMapping("loginDeal2")
    public String loginDeal2(String tdUsername, String tdPassword, String tdCode, String token) {
        if (!checkToken(token)) {
            modelMap.addAttribute("url", "/master/login.do");
            modelMap.addAttribute("msg", "token错误,当前请求非法");
            return "error";
        }
        if (!checkCode(tdCode)) {
            modelMap.addAttribute("url", "/master/login.do");
            modelMap.addAttribute("msg", "验证码错误,请重试");
            return "error";
        }
        if (!"admin".equals(tdUsername)) {
            modelMap.addAttribute("url", "/master/login.do");
            modelMap.addAttribute("msg", "用户名不存在,请重试");
            return "error";
        }
        if (!"123456".equals(tdPassword)) {
            modelMap.addAttribute("url", "/master/login.do");
            modelMap.addAttribute("msg", "登录密码错误,请重试");
            return "error";
        }
        //记录用户的登录状态
        session.setAttribute("loginUser", "admin");
        return "redirect:/master/index.do";
    }

    @RequestMapping("unlock")
    @ResponseBody//表示直接返回数据给请求对象(浏览器),无需加载指定界面
    public Object unlock() {
        return null;
    }

    @RequestMapping("userRuleData")
    @ResponseBody//表示直接返回数据给请求对象(浏览器),无需加载指定界面
    public BootsTableResponse userRuleData(@RequestBody BootsTableRequest tableRequest) {
        return ruleService.bootsData(tableRequest);
    }

    @RequestMapping("editUserRule")
    @ResponseBody//表示直接返回数据给请求对象(浏览器),无需加载指定界面
    public ErrorBean editUserRule(@RequestBody UserRule record) {
        if (record == null) return ErrorBean.getInstance(1);
        int lineCount = 0;//记录被影响的数据行数
        if (record.getId() == null) {
            //新增
            lineCount = ruleService.insertSelective(record);
        } else {
            //修改
            lineCount = ruleService.updateByPrimaryKey(record);
        }
        if (lineCount == 0) return ErrorBean.getInstance(4);
        return ErrorBean.getInstance(0);
    }

    @RequestMapping("delUserRule")
    @ResponseBody//表示直接返回数据给请求对象(浏览器),无需加载指定界面
    public ErrorBean delUserRule(@RequestBody DeleteBean deleteBean) {
        if (deleteBean == null || deleteBean.getIdList() == null) return ErrorBean.getInstance(1);
        if (ruleService.delElementByIdList(deleteBean.getIdList()) == 0) return ErrorBean.getInstance(4);
        return ErrorBean.getInstance(0);
    }
}

3.MasterController添加实现方法

4.UserRuleServiceImpl中增加实现方法
package edu.td.peanut.service;

import com.github.pagehelper.PageHelper;
import db.mapper.UserRuleMapper;
import db.model.UserRule;
import db.service.UserRuleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Service;
import peanut.bean.BootsTableRequest;
import peanut.bean.BootsTableResponse;

import java.util.List;

import static org.mybatis.dynamic.sql.SqlBuilder.*;
import static db.mapper.UserRuleDynamicSqlSupport.*;

@Service
@Primary
public class UserRuleServiceImpl implements UserRuleService {
    @Autowired
    private UserRuleMapper ruleMapper;

    @Override
    public UserRule findByPrimaryKey(Integer key) {
        if (key == null || key < 1) return null;
        return ruleMapper.selectByPrimaryKey(key).orElse(null);
    }

    @Override
    public BootsTableResponse bootsData(BootsTableRequest tableRequest) {
        if (tableRequest == null) return null;
        //添加查询分页
        PageHelper.offsetPage(tableRequest.getOffset(), tableRequest.getLimit());
        return new BootsTableResponse<>(ruleMapper.select(entity -> {
            //添加花括号是为了实现多行编码
            entity.where(delTime, isEqualTo(0))
                    .and(
                            ruleName, isLikeWhenPresent(tableRequest.getSearch()),
                            or(ruleMethod, isLikeWhenPresent(tableRequest.getSearch())),
                            or(ruleType, isLikeWhenPresent(tableRequest.getSearch())),
                            or(ruleUrl, isLikeWhenPresent(tableRequest.getSearch()))
                    );
            //添加排序规则
            if (tableRequest.getSort() == null) {
                //使用默认排序规则
                entity.orderBy(addTime.descending());
            } else if ("ASC".equals(tableRequest.getOrder())) {
                //升序排列
                entity.orderBy(userRule.column(tableRequest.getSort()));
            } else {
                //降序排列
                entity.orderBy(userRule.column(tableRequest.getSort()).descending());
            }
            return entity;
        }));
    }

    @Override
    public int insertSelective(UserRule record) {
        record.setId(null);
        record.setDelTime(null);
        record.setUpdateTime(null);
        record.setAddTime(null);
        return ruleMapper.insertSelective(record);
    }

    @Override
    public int updateByPrimaryKey(UserRule record) {
        record.setDelTime(null);
        record.setUpdateTime(null);
        record.setAddTime(null);
        return ruleMapper.updateByPrimaryKeySelective(record);
    }

    @Override
    public int delElementByIdList(List idList) {
        if (idList == null || idList.isEmpty()) return 0;
        return ruleMapper.update(entity -> entity
                .set(delTime).equalTo((int) (System.currentTimeMillis() / 1000))
                .where(id, isIn(idList))
        );
    }

    @Override
    public List selectAllParentList() {
        return ruleMapper.select(entity -> entity
                .where(delTime, isEqualTo(0))
                .and(ruleType, isEqualTo("PAGE"))
                .orderBy(ruleType, ruleMethod, ruleName)
        );
    }
}
5.UserRuleService中添加实现方法

6.baseService中添加实现方法

7.新建DeleteBean.java

8.编辑edit.jsp界面

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ include file="/WEB-INF/layout/header.jsp" %>


 
<%@include file="/WEB-INF/layout/footer.jsp"%>
9.修改list.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ include file="/WEB-INF/layout/header.jsp" %>





权限配置

<%@include file="/WEB-INF/layout/footer.jsp" %>
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