基于javaweb+jsp的企业行政信息管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Layui Ajax)

本文链接：https://blog.youkuaiyun.com/m0_70034738/article/details/124354644

JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Layui Ajax

基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可

开发工具：eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

        vo.setNoticeType(Util.decode(request, "noticeType"));
        vo.setCreateDate(Util.decode(request, "createDate"));
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException

        java.util.regex.Pattern p = java.util.regex.Pattern.compile("\\s*|\t*|\r*|\n*");
        java.util.regex.Matcher m = p.matcher(strName);
        String after = m.replaceAll("");
        String temp = after.replaceAll("\\p{P}", "");
        char[] ch = temp.trim().toCharArray();
        float chLength = 0;
        float count = 0;
        for (int i = 0; i < ch.length; i++) {
            char c = ch[i];
            if (!Character.isLetterOrDigit(c)) {
                if (!isChinese(c)) {
                    count = count + 1;
                }
                chLength++;
            }
        }
        return count / chLength > 0.4;
    }

    /**
     * 为防止页面传进来的内容因为编码不同等原因造成乱码，这里作统一的转换
     *
     * @param parameterName
     * @return
     */
    public static String decode(javax.servlet.http.HttpServletRequest request, String parameterName) {
        String str;

package com.demo.controller;

import com.demo.util.Util;
import com.demo.service.NoticeService;
import com.demo.vo.Notice;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.Serializable;
import java.util.Arrays;
import java.util.HashMap;

    <!--新增-->
    <insert id="doCreate" useGeneratedKeys="true" keyColumn="id" keyProperty="id" parameterType="com.demo.vo.Notice">
        INSERT INTO `t_notice`
        <trim prefix="(" suffix=")" suffixOverrides=",">
                    <if test ='id != null'>`id`,</if>
                    <if test ='noticeName != null'>`notice_name`,</if>
                    <if test ='noticeText != null'>`notice_text`,</if>
                    <if test ='noticeType != null'>`notice_type`,</if>
                    <if test ='createDate != null'>`create_date`</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
                    <if test ='id != null'>#{id},</if>
                    <if test ='noticeName != null'>#{noticeName},</if>
                    <if test ='noticeText != null'>#{noticeText},</if>

    </select>

    <!--列表-->
    <select id="findAllSplit" parameterType="java.util.Map" resultMap="BaseResultMap">
        SELECT <include refid="Base_Column_List" /> FROM `t_pei`
        <where>
            <if test="searchColumn != null and searchColumn != '' and keyword != null and keyword != ''">
                ${searchColumn} LIKE CONCAT('%',#{keyword},'%')  AND
            </if>
            1=1
        </where>
        ORDER BY id ASC
        <if test="startIndex != null and pageSize != null">
            LIMIT #{startIndex},#{pageSize};
        </if>

        //vo.setUserType("普通用户");//需要设置一个默认值
        userService.insert(vo);
        request.getSession().setAttribute("alert_msg", "注册成功！用户名：[" + username + "]");
        request.getRequestDispatcher("login.jsp").forward(request, response);
    }

    @RequestMapping("authLogout")
    public void logout(HttpServletResponse response, HttpServletRequest request) throws IOException {
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute("loginUser");
        if (user != null) {
            session.removeAttribute("loginUser");
        }
        response.sendRedirect("login.jsp");
    }

    @RequestMapping("authValidationCode")
    public void validationCode(HttpServletResponse response, HttpServletRequest request) throws IOException {
        String codeChars = "0123456789";// 图形验证码的字符集合，系统将随机从这个字符串中选择一些字符作为验证码
        //  获得验证码集合的长度
        int charsLength = codeChars.length();
        //  下面三条记录是关闭客户端浏览器的缓冲区
        //  这三条语句都可以关闭浏览器的缓冲区，但是由于浏览器的版本不同，对这三条语句的支持也不同
        //  因此，为了保险起见，建议同时使用这三条语句来关闭浏览器的缓冲区

import com.demo.service.NoticeService;
import com.demo.vo.Notice;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.Serializable;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
@RequestMapping
public class NoticeController {

    @Autowired
    private NoticeService noticeService;

    /**

            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println(parameterName + "==" + str.trim());
        return str.trim();
    }
}
package com.demo.util;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

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

/**
 * 拦截器
 */
public class LoginInterceptor implements HandlerInterceptor {

import java.util.List;
import java.util.Map;

@Controller
@RequestMapping
public class PeiController {

    @Autowired
    private PeiService peiService;

    /**
     * 增加培训
     *
     * @param response

            }
        });
        //搜索
        let $ = layui.$, active = {
            reload: function () {
                let url = 'peiList?keyword=' + $('#search_keyword').val() + '&searchColumn=' + $('#searchColumn').val();
                //执行重载
                table.reload('myTable', {
                    url: url,
                    page: {
                        curr: 1 //重新从第 1 页开始
                    }
                });
            }
        };
        $('.searchTable .layui-btn').on('click', function () {
            let type = $(this).data('type');
            active[type] ? active[type].call(this) : '';
        });

                    {
                        align: 'center',
                        fixed: 'right',
                        title: '操作',
                        width: 130,
                        templet: vo => {
                            let flag = ${loginUser.userType == '管理员'};
                            return flag ? '<a class="layui-btn layui-btn-xs" lay-event="edit">编辑</a><a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="del">删除</a>' : '';
                        }
                    }
                ]
            ],
        });
        //监听工具条
        table.on('tool(myTable)', function (obj) { //注：tool 是工具条事件名，myTable 是 table 原始容器的属性 lay-filter="对应的值"
            let data = obj.data; //获得当前行数据
            let layEvent = obj.event; //获得 lay-event 对应的值（也可以是表头的 event 参数对应的值）