我的招聘网——用户主页面设计与实现

川长思鸟来 2021-10-01 01:16 221阅读 0赞

**一 实体类 **

1 Job

package com.lyq.bean;
    public class Job {
        private int jID;                //存储岗位编号字段
        private String jName;           //存储岗位名称字段
        private String educationReq;    //存储岗位学历要求字段
        private String titleReq;        //存储岗位职称要求字段
        private String jType;           //存储岗位工种限制字段
        private int yearsReq;           //存储岗位工龄限制字段
        //岗位编号字段的get方法
        public int getjID() {
            return jID;
        }
        //岗位编号字段的set方法
        public void setjID(int jID) {
            this.jID = jID;
        }
        
        //其余get与set方法请自行补充
        public String getjName() {
            return jName;
        }
        public void setjName(String jName) {
            this.jName = jName;
        }
        public String getEducationReq() {
            return educationReq;
        }
        public void setEducationReq(String educationReq) {
            this.educationReq = educationReq;
        }
        public String getTitleReq() {
            return titleReq;
        }
        public void setTitleReq(String titleReq) {
            this.titleReq = titleReq;
        }
        public String getjType() {
            return jType;
        }
        public void setjType(String jType) {
            this.jType = jType;
        }
        public int getYearsReq() {
            return yearsReq;
        }
        public void setYearsReq(int yearsReq) {
            this.yearsReq = yearsReq;
        }
    }

2 Need

package com.lyq.bean;
    import java.util.Date;
    public class Need {
        private int jID;                //存储岗位编号字段
        private int cID;                //存储企业编号字段
        private String jName;           //存储岗位名称字段
        private String cName;           //存储企业名称字段
        private String educationReq;    //存储岗位学历要求字段
        private String titleReq;        //存储岗位职称要求字段
        private String jType;           //存储岗位工种限制字段
        private int yearsReq;           //存储岗位工龄限制字段
        private Date putDate;           //存储需求发布日期字段
        private int people;             //存储需求人数字段
        private int payment;            //存储最低薪酬字段
        private String leader;          //存储企业负责人姓名字段
        private String tel;             //存储企业联系电话字段
        //岗位编号的get方法
        public int getjID() {
            return jID;
        }
        //岗位编号的set方法
        public void setjID(int jID) {
            this.jID = jID;
        }
        //其余get与set方法请自行补充
        
        public Date getPutDate() {
            return putDate;
        }
        public void setPutDate(Date putDate) {
            this.putDate = putDate;
        }
        public int getPeople() {
            return people;
        }
        public void setPeople(int people) {
            this.people = people;
        }
        public int getPayment() {
            return payment;
        }
        public void setPayment(int payment) {
            this.payment = payment;
        }
        public String getjName() {
            return jName;
        }
        public void setjName(String jName) {
            this.jName = jName;
        }
        public String getcName() {
            return cName;
        }
        public void setcName(String cName) {
            this.cName = cName;
        }
        public String getEducationReq() {
            return educationReq;
        }
        public void setEducationReq(String educationReq) {
            this.educationReq = educationReq;
        }
        public String getTitleReq() {
            return titleReq;
        }
        public void setTitleReq(String titleReq) {
            this.titleReq = titleReq;
        }
        public String getjType() {
            return jType;
        }
        public void setjType(String jType) {
            this.jType = jType;
        }
        public int getYearsReq() {
            return yearsReq;
        }
        public void setYearsReq(int yearsReq) {
            this.yearsReq = yearsReq;
        }
        public String getLeader() {
            return leader;
        }
        public void setLeader(String leader) {
            this.leader = leader;
        }
        public String getTel() {
            return tel;
        }
        public void setTel(String tel) {
            this.tel = tel;
        }
        public int getcID() {
            return cID;
        }
        public void setcID(int cID) {
            this.cID = cID;
        }
    }

**二 DAO层**

1 JobDAO

package com.lyq.bean;
    
    import java.io.IOException;
    import java.sql.CallableStatement;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.PreparedStatement;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.util.ArrayList;
    import java.util.List;
    
    import javax.swing.JPanel;
    
    public class JobDAO {
        /**
         * 获取数据库连接
         * @return
         */
        //获取数据库连接
        public Connection getConnection(){
            Connection connection = null;   //声明Connection对象的实例
            try {
                Class.forName("org.gjt.mm.mysql.Driver");
                //装载数据库驱动，若连接报错，可尝试将参数替换为"com.mysql.jdbc.Driver"
                String url = "jdbc:mysql://localhost:3306/work?characterEncoding=gbk";
                //"characterEncoding=gbk为指定数据库连接的编码格式，防止写入数据库时中文乱码
                String username = "root";
                String password = "";       //账号密码信息根据自己MySQL系统的设定填写
                connection = DriverManager.getConnection(url, username, password);
                //建立与数据库的连接
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return connection;  //返回Connection对象实例
        }
    
        /**
         * 查询所有岗位信息
         * @return
         * @throws IOException
         */
        //查询所有岗位信息
        public List<Need> findAllJob() throws IOException{
            List<Need> list = new ArrayList<Need>();
            //用来存储查询结果
            Connection connection = getConnection();
            //获取数据库连接
            try {
                CallableStatement cStatement =
                        connection.prepareCall("{call findAllJob()}");
                //调用数据库存储过程findAllJob
                ResultSet resultSet = cStatement.executeQuery();
                while(resultSet.next()){
                    Need need = new Need();
                    need.setjID(resultSet.getInt("jID"));
                    need.setjName(resultSet.getString("jName"));
                    need.setcName(resultSet.getString("cName"));
                    need.setEducationReq(resultSet.getString("educationReq"));
                    need.setTitleReq(resultSet.getString("titleReq"));
                    need.setjType(resultSet.getString("jType"));
                    need.setYearsReq(resultSet.getInt("yearsReq"));
                    need.setPutDate(resultSet.getDate("putDate"));
                    need.setPeople(resultSet.getInt("people"));
                    need.setPayment(resultSet.getInt("payment"));
                    need.setLeader(resultSet.getString("leader"));
                    need.setTel(resultSet.getString("tel"));
                    list.add(need);
                    //将结果添加到list中
                }
                connection.close(); //释放数据库连接
                cStatement.close();
                resultSet.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return list;    //返回查询结果
        }
    
        /**
         * 通过最低工资查询所有工作岗位
         * @param min
         * @return
         * @throws IOException
         */
        //通过最低工资查询所有工作岗位
        public List<Need> findAllJobByPay(int min) throws IOException{
            List<Need> list = new ArrayList<Need>();
            Connection connection = getConnection();
            //获取数据库连接
            try {
                CallableStatement cStatement =
                        connection.prepareCall("{call findAllJobByPay(?)}");
                //调用数据库存储过程findAllJobByPay
                cStatement.setInt(1, min);  //添加查询参数
                ResultSet resultSet = cStatement.executeQuery();
                while(resultSet.next()){
                    Need need = new Need();
                    need.setjID(resultSet.getInt("jID"));
                    need.setjName(resultSet.getString("jName"));
                    need.setcName(resultSet.getString("cName"));
                    need.setEducationReq(resultSet.getString("educationReq"));
                    need.setTitleReq(resultSet.getString("titleReq"));
                    need.setjType(resultSet.getString("jType"));
                    need.setYearsReq(resultSet.getInt("yearsReq"));
                    need.setPutDate(resultSet.getDate("putDate"));
                    need.setPeople(resultSet.getInt("people"));
                    need.setPayment(resultSet.getInt("payment"));
                    need.setLeader(resultSet.getString("leader"));
                    need.setTel(resultSet.getString("tel"));
                    list.add(need); //将查询结果添加到list中
                }
                connection.close(); //释放数据库连接
                cStatement.close();
                resultSet.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return list;    //返回查询结果
        }
    
        /**
         * 添加一条岗位记录
         * @param job
         * @return
         */
        public boolean insertJob(Job job){
            Connection connection = getConnection();
            boolean flag = false;
            try {
                String sql = "insert into job(jName, educationReq, titleReq, jType, yearsReq) value(?, ?, ?, ?, ?)";
                PreparedStatement pStatement = connection.prepareStatement(sql);
                pStatement.setString(1, job.getjName());
                pStatement.setString(2, job.getEducationReq());
                pStatement.setString(3, job.getTitleReq());
                pStatement.setString(4, job.getjType());
                pStatement.setInt(5, job.getYearsReq());
                int row = pStatement.executeUpdate();
                if(row > 0){
                    flag = true;
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return flag;
        }
    
        /**
         * 添加一条岗位需求记录
         * @param need
         * @return
         */
        public boolean insertNeed(Need need){
            Connection connection = getConnection();
            boolean flag = false;
            try {
                String sql = "insert into need(jID, cID, putDate, people, payment) value(?, ?, ?, ?, ?)";
                PreparedStatement pStatement = connection.prepareStatement(sql);
                pStatement.setInt(1, need.getjID());
                pStatement.setInt(2, need.getcID());
                java.util.Date date = need.getPutDate();
                java.sql.Date sqlDate = new java.sql.Date(date.getTime());
                pStatement.setDate(3, sqlDate);
                pStatement.setInt(4, need.getPeople());
                pStatement.setInt(5, need.getPayment());
                int row = pStatement.executeUpdate();
                if(row > 0){
                    flag = true;
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return flag;
        }
    
        /**
         * 通过详细信息查找岗位记录
         * @param job
         * @return
         */
        public Job findJobID(Job job){
            List<Job> list = new ArrayList<Job>();
            Connection connection = getConnection();
            boolean flag = false;
            try {
                String sql = "select * from job where job.jName = ? and job.educationReq = ? and job.titleReq = ? and "
                        + "job.jType = ? and job.yearsReq = ?;";
                PreparedStatement pStatement = connection.prepareStatement(sql);
                pStatement.setString(1, job.getjName());
                pStatement.setString(2, job.getEducationReq());
                pStatement.setString(3, job.getTitleReq());
                pStatement.setString(4, job.getjType());
                pStatement.setInt(5, job.getYearsReq());
                ResultSet resultSet = pStatement.executeQuery();
                while(resultSet.next()){
                    Job newJob = new Job();
                    newJob.setjID(resultSet.getInt("jID"));
                    newJob.setjName(job.getjName());
                    newJob.setEducationReq(job.getEducationReq());
                    newJob.setTitleReq(job.getTitleReq());
                    newJob.setjType(job.getjType());
                    newJob.setYearsReq(job.getYearsReq());
                    list.add(newJob);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            if(list == null || list.size() < 1){
                return null;
            } else {
                return list.get(0);
            }
        }
    
        public List<Need> findAllJobBycID(int id) throws IOException{
            List<Need> list = new ArrayList<Need>();
            Connection connection = getConnection();
            try {
                CallableStatement cStatement = connection.prepareCall("{call findAllJobBycID(?)}");
                cStatement.setInt(1, id);
                ResultSet resultSet = cStatement.executeQuery();
                while(resultSet.next()){
                    Need need = new Need();
                    need.setjID(resultSet.getInt("jID"));
                    need.setjName(resultSet.getString("jName"));
                    need.setcName(resultSet.getString("cName"));
                    need.setEducationReq(resultSet.getString("educationReq"));
                    need.setTitleReq(resultSet.getString("titleReq"));
                    need.setjType(resultSet.getString("jType"));
                    need.setYearsReq(resultSet.getInt("yearsReq"));
                    need.setPutDate(resultSet.getDate("putDate"));
                    need.setPeople(resultSet.getInt("people"));
                    need.setPayment(resultSet.getInt("payment"));
                    need.setLeader(resultSet.getString("leader"));
                    need.setTel(resultSet.getString("tel"));
                    list.add(need);
                }
                connection.close();
                cStatement.close();
                resultSet.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return list;
        }
    }

**三 用户主页面**

<%@page import="com.lyq.bean.Worker"%>
    <%@page import="java.util.List"%>
    <%@page import="com.lyq.bean.WorkerDAO"%>
    <%@page import="java.sql.DriverManager"%>
    <%@page import="java.sql.Connection"%>
    <%@page import="java.sql.SQLException"%>
    <%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"  "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html;  charset=UTF-8">
    <title>饭票网-找工作</title>
    <style type="text/css">
    #content {
        width: 1200px;
        height: 620px;
        text-align: center;
    }
    #tab_bar {
        width: 1200px;
        height: 70px;
        float: left;
        color: white;
    }
    #tab_bar ul {
        padding: 0px;
        margin: 0px;
        height: 20px;
        text-align: center;
    }
    #tab_bar li {
        list-style-type: none;
        float: left;
        width: 400px;
        height: 70px;
        background-color: orange;
    }
    .tab_css {
        width: 1200px;
        height: 620px;
        display: none;
        float: left;
    }
    </style>
    <script type="text/javascript">
    var myclick = function(v) {
        var llis = document.getElementsByTagName("li");
        for (var i = 0; i < llis.length; i++) {
            var lli = llis[i];
            if (lli == document.getElementById("tab" + v)) {
                lli.style.backgroundColor = "#FF0099";
                } else {
                    lli.style.backgroundColor = "orange";
                    }
            }
        var divs = document.getElementsByClassName("tab_css");
        for (var i = 0; i < divs.length; i++) {
            var divv = divs[i];
            if (divv == document.getElementById("tab" + v +  "_content")) {
                divv.style.display = "block";
                } else {
                    divv.style.display = "none";
                    }
            }
        }
    </script>
    </head>
    <body>
        <div
            style="background-image: url('images/backmm.jpg');
            width: 100%; height: 100%;">
        <%
        String idStr = request.getParameter("workerPage1");
        int id = Integer.parseInt(idStr);
        Worker worker = new WorkerDAO().findWorkerByID(id);
        %>
        <div style="color: orange;">
            
                <table style="width: 95%; margin-left: 30px;">
                    <tr>
                        <td align="left"><h3>
                            <b>Hello:  <%=worker.getwName()%></b></h3></td>
                        <td align="right">
                            <a href="index.jsp"><h3><b>退出登录</b></h3></a></td>
                    </tr>
                </table>
            </div>
            <div align="center" style="margin-top: 20px">
                <div id="content">
                    <div id="tab_bar">
                        <ul>
                            <li id="tab1" onclick="myclick(1)"
                                style="background-color:  #FF0099;"><h2>岗位信息</h2></li>
                            <li id="tab2" onclick="myclick(2)"><h2>企业信息</h2></li>
                            <li id="tab3" onclick="myclick(3)"><h2>岗位申请</h2></li>
                        </ul>
                    </div>
                    <div class="tab_css" id="tab1_content"  style="display: block"
                        align="center">
                        <div><%@include file="allJob.jsp"%></div>
                    </div>
                    <div class="tab_css" id="tab2_content"  align="center">
                        <div><%@include file="allCompany.jsp"%></div>
                    </div>
                    <div class="tab_css" id="tab3_content"  align="center">
                        <div><%@include file="newApply.jsp"%></div>
                    </div>
                </div>
            </div>
        </div>
    </body>
    </html>

**四 运行**

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