@TOC

Structs2宿舍管理系统

学生宿舍管理是当代学校中不可或缺的组成部分，在信息化飞速发展的今天，它的出现已经成了一种必然，本文将从宿舍管理系统的历史和现状进行分析，以求证本系统的设计具有实际的意义，并得到它在未来的发展，从而跟上时代的脚步，做出一个高质量的、安全性好的宿舍管理系统，使其不仅能满足学校现在的需要，也能满足将来一段时间的需要。

实现功能截图

本系统分为前后台
前台主页面：

楼宇管理员管理：

楼宇管理：

宿舍管理：

修改密码：

学生管理：

学生入住登记：

系统功能以及流程图

宿舍管理系统主要实现的功能有：楼宇管理员管理、学生管理、楼宇管理、宿舍管理、学生入住登记、学生寝室调换、学生迁出登记、学生缺勤记录、迁出记录、修改密码等。

技术点总结

运行环境：
jdk8+tomcat7+mysql5.6+IntelliJ IDEA(eclipse)
技术点:
springMVC+struts2+css+jquery+mysql

代码

dao层
DomitoryDao.java

package com.dao;

import com.db.DBHelper;
import com.bean.DomitoryBean;

import java.util.*;
import java.sql.*;

public class DomitoryDao {

    //获取列表
    public List<DomitoryBean> GetList(String strwhere,String strorder){
        String sql="select * from Domitory,Building where Domitory_BuildingID=Building_ID";
        if(!(isInvalid(strwhere)))
        {
            sql+=" and "+strwhere;
        }
        if(!(isInvalid(strorder)))
        {
            sql+=" order by "+strorder;
        }
        Statement stat = null;
        ResultSet rs = null;
        Connection conn = new DBHelper().getConn();
        List<DomitoryBean> list=new ArrayList<DomitoryBean>();
        try{
            stat = conn.createStatement();
            rs = stat.executeQuery(sql);
            while(rs.next()){
                DomitoryBean cnbean=new DomitoryBean();
                cnbean.setDomitory_ID(rs.getInt("Domitory_ID"));
                cnbean.setDomitory_BuildingID(rs.getInt("Domitory_BuildingID"));
                cnbean.setDomitory_Name(rs.getString("Domitory_Name"));
                cnbean.setDomitory_Type(rs.getString("Domitory_Type"));
                cnbean.setDomitory_Number(rs.getString("Domitory_Number"));
                cnbean.setDomitory_Tel(rs.getString("Domitory_Tel"));
                cnbean.setBuilding_Name(rs.getString("Building_Name"));
                list.add(cnbean);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (conn != null)
                    conn.close();
                if (stat != null)
                    stat.close();
                if (rs != null)
                    rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        return list;
    }

    //获取指定ID的实体Bean
    public DomitoryBean GetBean(int id){
        String sql="select * from Domitory,Building where Domitory_BuildingID=Building_ID and Domitory_ID="+id;
        Statement stat = null;
        ResultSet rs = null;
        Connection conn = new DBHelper().getConn();
        DomitoryBean cnbean=new DomitoryBean();
        try{
            stat = conn.createStatement();
            rs = stat.executeQuery(sql);
            while(rs.next()){
                cnbean.setDomitory_ID(rs.getInt("Domitory_ID"));
                cnbean.setDomitory_BuildingID(rs.getInt("Domitory_BuildingID"));
                cnbean.setDomitory_Name(rs.getString("Domitory_Name"));
                cnbean.setDomitory_Type(rs.getString("Domitory_Type"));
                cnbean.setDomitory_Number(rs.getString("Domitory_Number"));
                cnbean.setDomitory_Tel(rs.getString("Domitory_Tel"));
                cnbean.setBuilding_Name(rs.getString("Building_Name"));
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (conn != null)
                    conn.close();
                if (stat != null)
                    stat.close();
                if (rs != null)
                    rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        return cnbean;
    }

    //添加
    public void Add(DomitoryBean cnbean){
        String sql="insert into Domitory (";
        sql+="Domitory_BuildingID,Domitory_Name,Domitory_Type,Domitory_Number,Domitory_Tel";
        sql+=") values(";
        sql+="'"+cnbean.getDomitory_BuildingID()+"','"+cnbean.getDomitory_Name()+"','"+cnbean.getDomitory_Type()+"','"+cnbean.getDomitory_Number()+"','"+cnbean.getDomitory_Tel()+"'";
        sql+=")";
        Statement stat = null;
        ResultSet rs = null;
        Connection conn = new DBHelper().getConn();
        try{
            stat = conn.createStatement();
            stat.executeUpdate(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (conn != null)
                    conn.close();
                if (stat != null)
                    stat.close();
                if (rs != null)
                    rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
    //修改
    public void Update(DomitoryBean cnbean){
        String sql="update Domitory set ";
        sql+="Domitory_BuildingID='"+cnbean.getDomitory_BuildingID()+"',";
        sql+="Domitory_Name='"+cnbean.getDomitory_Name()+"',";
        sql+="Domitory_Type='"+cnbean.getDomitory_Type()+"',";
        sql+="Domitory_Number='"+cnbean.getDomitory_Number()+"',";
        sql+="Domitory_Tel='"+cnbean.getDomitory_Tel()+"'";

        sql+=" where Domitory_ID='"+cnbean.getDomitory_ID()+"'";
        Statement stat = null;
        ResultSet rs = null;
        Connection conn = new DBHelper().getConn();
        try{
            stat = conn.createStatement();
            stat.executeUpdate(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (conn != null)
                    conn.close();
                if (stat != null)
                    stat.close();
                if (rs != null)
                    rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
    //删除
    public void Delete(String strwhere){
        String sql="delete Domitory where ";
        sql+=strwhere;
        Statement stat = null;
        ResultSet rs = null;
        Connection conn = new DBHelper().getConn();
        try{
            stat = conn.createStatement();
            stat.executeUpdate(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (conn != null)
                    conn.close();
                if (stat != null)
                    stat.close();
                if (rs != null)
                    rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    //判断是否空值
    private boolean isInvalid(String value) {
        return (value == null || value.length() == 0);
    }

    //测试
    public static void main(String[] args) {
        System.out.println("");
    }

}

bean类：
DomitoryBean.java：

package com.bean;
public class DomitoryBean {

    private int Domitory_ID ;
    private int Domitory_BuildingID ;
    private String Domitory_Name ;
    private String Domitory_Type ;
    private String Domitory_Number ;
    private String Domitory_Tel ;
    public int getDomitory_ID() {
        return Domitory_ID;
    }
    public void setDomitory_ID(int domitoryID) {
        Domitory_ID = domitoryID;
    }
    public int getDomitory_BuildingID() {
        return Domitory_BuildingID;
    }
    public void setDomitory_BuildingID(int domitoryBuildingID) {
        Domitory_BuildingID = domitoryBuildingID;
    }
    public String getDomitory_Name() {
        return Domitory_Name;
    }
    public void setDomitory_Name(String domitoryName) {
        Domitory_Name = domitoryName;
    }
    public String getDomitory_Type() {
        return Domitory_Type;
    }
    public void setDomitory_Type(String domitoryType) {
        Domitory_Type = domitoryType;
    }
    public String getDomitory_Number() {
        return Domitory_Number;
    }
    public void setDomitory_Number(String domitoryNumber) {
        Domitory_Number = domitoryNumber;
    }
    public String getDomitory_Tel() {
        return Domitory_Tel;
    }
    public void setDomitory_Tel(String domitoryTel) {
        Domitory_Tel = domitoryTel;
    }

    private String Building_Name ;
    public String getBuilding_Name() {
        return Building_Name;
    }
    public void setBuilding_Name(String buildingName) {
        Building_Name = buildingName;
    }
}

action层：
DomitoryManager.java:

package com.action;

import java.io.PrintWriter;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;

import com.bean.*;
import com.dao.*;

public class DomitoryManager extends ActionSupport {

    //下面是Action内用于封装用户请求参数的属性
    private List<DomitoryBean> list;
    public List<DomitoryBean> getList() {
        return list;
    }
    public void setList(List<DomitoryBean> list) {
        this.list = list;
    }
    private String SearchRow;
    private String SearchKey;
    public String getSearchRow() {
        return SearchRow;
    }
    public void setSearchRow(String searchRow) {
        SearchRow = searchRow;
    }
    public String getSearchKey() {
        return SearchKey;
    }
    public void setSearchKey(String searchKey) {
        SearchKey = searchKey;
    }
    private List<BuildingBean> buildinglist;
    public List<BuildingBean> getBuildinglist() {
        return buildinglist;
    }
    public void setBuildinglist(List<BuildingBean> buildinglist) {
        this.buildinglist = buildinglist;
    }
    private String Domitory_BuildingID;
    public String getDomitory_BuildingID() {
        return Domitory_BuildingID;
    }
    public void setDomitory_BuildingID(String domitoryBuildingID) {
        Domitory_BuildingID = domitoryBuildingID;
    }
    //处理用户请求的execute方法
    public String execute() throws Exception {

        //解决乱码，用于页面输出
        HttpServletResponse response=null;
        response=ServletActionContext.getResponse();
        response.setContentType("text/html;charset=UTF-8");
        response.setCharacterEncoding("UTF-8");
        PrintWriter out = response.getWriter();

        //创建session对象
        HttpSession session = ServletActionContext.getRequest().getSession();
        //验证是否正常登录
        if(session.getAttribute("id")==null){
            out.print("<script language='javascript'>alert('请重新登录！');window.location='Login.jsp';</script>");
            out.flush();out.close();return null;
        }
        //查询条件
        String strWhere="1=1";
        if(!(isInvalid(SearchKey)))
        {
            strWhere+=" and "+SearchRow+"='"+SearchKey+"'";
        }
        if(!(isInvalid(Domitory_BuildingID)))
        {
            strWhere+=" and Domitory_BuildingID='"+Domitory_BuildingID+"'";
        }

        //查询所有楼宇
        buildinglist=new BuildingDao().GetList("","Building_Name");

        //查询所有
        list=new DomitoryDao().GetList(strWhere,"Domitory_Name");

        return SUCCESS;

    }

    //判断是否空值
    private boolean isInvalid(String value) {
        return (value == null || value.length() == 0);
    }

    //测试
    public static void main(String[] args) {
        System.out.println();
    }

}

数据连接辅助类：
DBHelper.java:

package com.db;

import java.sql.*;

public class DBHelper { 
    private String dbUrl="jdbc:mysql://localhost:3306/sushe";
    private String dbUser="root";
    private String dbPassword="123456";
    private String jdbcName="com.mysql.jdbc.Driver";

    //连接数据库
    public Connection getConn(){
        Connection conn = null;
        try{
            Class.forName(jdbcName);
        }
        catch(Exception e){}
        try{
            conn=DriverManager.getConnection(dbUrl,dbUser,dbPassword);
        }
        catch(SQLException ex){}
        return conn;        
    }

//    测试
    public static void main(String[] args)
    {
        System.out.println(new DBHelper().getConn());

    }

}

写在最后

码代码不容易，欢迎博主个人主页交流
最后，别忘了一键三连哦