springboot学生信息管理系统+学生考勤管理系统+学生请假管理系统-springMVC+mysql+javaweb

需求分析。

1.基础信息管理：考勤类型添加、考勤类型管理。主要是对考勤类型的添加、编辑、删除等。

2.学生档案管理：学生编号、姓名、登录密码、身份证号、性别、所属班级、出生日期、籍贯、政治面貌、民族、手机号码、家庭住址。

3.考勤信息管理：学生编号、考勤名称、考勤内容、开始日期、结束日期、检查老师、考勤结果。

4.请假信息管理：学生编号、状态、请假内容、批准人、开始日期、结束日期、请假天数等。

5.修改密码：管理登录系统后可以修改密码信息。

表4 leave 请假表

名称	类型大小	说明
LeaveNO	int(11)
stuID	varchar(30)	学生编号
LeavePunish	varchar(30)	请假名称
LeaveContent	varchar(50)	内容
StartDate	varchar(30)	开始时间
CancelDate	varchar(30)	结束时间
CancelReason	varchar(30)	天数
Remark	varchar(500)	备注

表5 t_xuesheng 学生表

字段名称	自动增长	字段大小	字段类型	默认值	允许空	说明
id(*)	√	4	int	-	×	编号
xuehao	-	50	varchar	-	√	学号
xingming	-	50	varchar	-	√	姓名
xingbie	-	50	varchar	-	√	性别
ruxueriqi	-	50	varchar	-	√	入学日期
zhuanye	-	50	varchar	-	√	专业
dianhua	-	50	varchar	-	√	电话
jiguan	-	50	varchar	-	√	籍贯
del	-	4	int	-	√	是否删除

package kaoqinsystem.action;

import kaoqinsystem.database.DBConnect;
import kaoqinsystem.util.*;
import java.sql.*;
import java.util.*;

public class Leave {

	public String StuID,  LeavePunish, LeaveContent,
			 HandleName, CancelReason, Remark;

	public java.sql.Date StartDate, CancelDate;

	public int LeaveNO;

	public Leave() {
	};

	public String getStuID() {
		return StuID;
	}

	public void setStuID(String s) {
		this.StuID = s;
	}

	

	public String getLeavePunish() {
		return LeavePunish;
	}

	public void setLeavePunish(String s) {
		this.LeavePunish = s;
	}

	public String getLeaveContent() {
		return LeaveContent;
	}

	public void setLeaveContent(String s) {
		this.LeaveContent = s;
	}

	
 

	public String getHandleName() {
		return HandleName;
	}

	public void setHandleName(String s) {
		this.HandleName = s;
	}

	public String getCancelReason() {
		return CancelReason;
	}

	public void setCancelReason(String s) {
		this.CancelReason = s;
	}

	public String getRemark() {
		return Remark;
	}

	public void setRemark(String s) {
		this.Remark = s;
	}

	public void setLeaveNO(int i) {
		this.LeaveNO = i;
	}

	public String getLeaveNO() {
		return DataConvert.IntToStr(LeaveNO);
	}

	public String getStartDate() {
		if (this.StartDate != null)
			return DataConvert.sqlDateToStr(StartDate);
		else
			return "";
	}

	public void setStartDate(String str) {
		if (str != null)
			this.StartDate = DataConvert.StrTosqlDate(str);
		else
			this.StartDate = null;
	}

	public String getCancelDate() {
		if (this.CancelDate != null)
			return DataConvert.sqlDateToStr(CancelDate);
		else
			return "";
	}

	public void setCancelDate(String str) {
		if (str != null)
			this.CancelDate = DataConvert.StrTosqlDate(str);
		else
			this.CancelDate = null;
	}

	/*
	 * Find Leave by NO
	 */
	public static Leave FindByNO(String _LeaveNO) {
		DBConnect dbc = null;
		Leave Leave = new Leave();
		try {
			dbc = new DBConnect();
			dbc.prepareStatement("SELECT * FROM `Leave` WHERE LeaveNO=?");
			dbc.setString(1, _LeaveNO);
			ResultSet rs = dbc.executeQuery();
			if (rs.next()) {
				Leave.setLeaveNO(rs.getInt("LeaveNO"));
				Leave.setStuID(rs.getString("StuID"));
				Leave.setLeavePunish(rs.getString("LeavePunish"));
				Leave.setLeaveContent(rs.getString("LeaveContent"));
				 Leave.setHandleName(rs.getString("HandleName"));
				Leave.setStartDate(rs.getString("StartDate"));
				Leave.setCancelDate(rs.getString("CancelDate"));
				Leave.setCancelReason(rs.getString("CancelReason"));
				Leave.setRemark(rs.getString("Remark"));
			} else {
				Leave = null;
			}
		} catch (Exception e) {
			System.err.println(e);
		} finally {
			try {
				dbc.close();
			} catch (Exception e) {
				e.printStackTrace();
				Leave = null;
			}
		}
		return Leave;

	}

	/*
	 * Add Leave
	 */
	public static String Add(String _StuID,
			String _LeavePunish, String _LeaveContent, 
			 String _HandleName, String _StartDate,
			String _CancelDate, String _CancelReason, String _Remark) {
		DBConnect dbc = null;
		try {
			dbc = new DBConnect();
			dbc
					.prepareStatement("INSERT INTO `Leave` (`StuID`,`LeavePunish`,`LeaveContent`,`"
							+ "HandleName`,`StartDate`,`CancelDate`,`CancelReason`,`Remark`) VALUES (?,?,?,?,?,?,?,?)");
			
			//System.out.println( "INSERT INTO `Leave` (StuID,LeavePunish,LeaveContent,Grades,HandleName,StartDate,CancelDate,CancelReason,Remark) VALUES ("+_StuID+","+_LeavePunish+"," + _LeaveContent+","+_Grades+","+ _HandleName+","+ _StartDate+","+ _CancelDate+","+ _CancelReason+","+ _Remark+")");
			dbc.setString(1, _StuID);
			dbc.setString(2, _LeavePunish);
			dbc.setString(3, _LeaveContent);
			 dbc.setString(4, _HandleName);
			dbc.setDate(5, DataConvert.StrTosqlDate(_StartDate));
			dbc.setDate(6, DataConvert.StrTosqlDate(_CancelDate));
			dbc.setString(7, _CancelReason);
			dbc.setString(8, _Remark);
			dbc.executeUpdate();
			dbc.close();
			return "1";

		} catch (Exception e) {
			System.err.println(e);
			return e.toString();
		}

	}

	/*
	 * Modify Leave
	 */

	public static String Modify(String _LeaveNO,String _StuID,
			String _LeavePunish, String _LeaveContent, 
			  String _HandleName, String _StartDate,
			String _CancelDate, String _CancelReason, String _Remark) {
		DBConnect dbc = null;
		try {
			dbc = new DBConnect();
			dbc
					.prepareStatement("UPDATE `Leave` SET StuID=?,LeavePunish=?,LeaveContent=?,"
							+ " HandleName=?,StartDate=?,CancelDate=?,CancelReason=?,Remark=? WHERE LeaveNO=?");
			dbc.setString(1, _StuID);
			dbc.setString(2, _LeavePunish);
			dbc.setString(3, _LeaveContent);
			
			 
			dbc.setString(4, _HandleName);
			dbc.setDate(5, DataConvert.StrTosqlDate(_StartDate));
			dbc.setDate(6, DataConvert.StrTosqlDate(_CancelDate));
			dbc.setString(7, _CancelReason);
			dbc.setString(8, _Remark);
			dbc.setInt(9, DataConvert.StrToInt(_LeaveNO));
			dbc.executeUpdate();
			dbc.close();
			return "1";
		} catch (Exception e) {
			e.printStackTrace();
			return e.toString();
		}
	}

	/*
	 * Delete Leave
	 */
	public static String Delete(String _LeaveNO) {
		try {
			DBConnect dbc = new DBConnect();
			dbc.prepareStatement("DELETE FROM `Leave` WHERE LeaveNO=?");
			dbc.setInt(1, DataConvert.StrToInt(_LeaveNO));
			dbc.executeUpdate();
			dbc.close();
			return "1";
		} catch (Exception e) {
			e.printStackTrace();
			return e.toString();
		}
	}

	/*
	 * search Leave by StuID
	 */
	public static Vector SearchByID(String _StuID) {
		DBConnect dbc = null;
		Vector LeaveVector = new Vector();
		try {
			dbc = new DBConnect();
			dbc
					.prepareStatement("SELECT * FROM `Leave` WHERE StuID=? ORDER BY StartDate ASC");
			dbc.setString(1, _StuID);
			ResultSet rs = dbc.executeQuery();
			while (rs.next()) {
				Leave Leave = new Leave();
				Leave.setLeaveNO(rs.getInt("LeaveNO"));
				Leave.setStuID(rs.getString("StuID"));
				
				Leave.setLeavePunish(rs.getString("LeavePunish"));
				Leave.setLeaveContent(rs.getString("LeaveContent"));
				 Leave.setHandleName(rs.getString("HandleName"));
				Leave.setStartDate(rs.getString("StartDate"));
				Leave.setCancelDate(rs.getString("CancelDate"));
				Leave.setCancelReason(rs.getString("CancelReason"));
				Leave.setRemark(rs.getString("Remark"));
				LeaveVector.add(Leave);
			}
		} catch (Exception e) {
			System.err.println(e);
		} finally {
			try {
				dbc.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return LeaveVector;

	}
	
	
	
	
	public static Vector SearchByIDdate(String _StuID,String _date) {
		DBConnect dbc = null;
		Vector LeaveVector = new Vector();
		try {
			dbc = new DBConnect();
			dbc
					.prepareStatement("SELECT * FROM `Leave` WHERE StuID=? and  year(StartDate)=year(?) and month(startdate)=month(?)");
			dbc.setString(1, _StuID);
			dbc.setString(2, _date);
			dbc.setString(3, _date);
			ResultSet rs = dbc.executeQuery();
			while (rs.next()) {
				Leave Leave = new Leave();
				Leave.setLeaveNO(rs.getInt("LeaveNO"));
				Leave.setStuID(rs.getString("StuID"));
				
				Leave.setLeavePunish(rs.getString("LeavePunish"));
				Leave.setLeaveContent(rs.getString("LeaveContent"));
				 Leave.setHandleName(rs.getString("HandleName"));
				Leave.setStartDate(rs.getString("StartDate"));
				Leave.setCancelDate(rs.getString("CancelDate"));
				Leave.setCancelReason(rs.getString("CancelReason"));
				Leave.setRemark(rs.getString("Remark"));
				LeaveVector.add(Leave);
			}
		} catch (Exception e) {
			System.err.println(e);
		} finally {
			try {
				dbc.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return LeaveVector;

	}

	/*
	 * List All Leave
	 */
	public static Vector ListAll(String userName,int state) {
		DBConnect dbc = null;
		Vector LeaveVector = new Vector();

		String strSQL = null;
		   if (0!=state) {
	        	strSQL = "SELECT * FROM `Leave` WHERE StuID ='"+userName+"'";
			}else{
				strSQL = "SELECT * FROM `Leave` ORDER BY `StuID` ASC";
			}
		try {
			dbc = new DBConnect();
			dbc.prepareStatement(strSQL);
			ResultSet rs = dbc.executeQuery();
			while (rs.next()) {
				Leave Leave = new Leave();
				Leave.setLeaveNO(rs.getInt("LeaveNO"));
				Leave.setStuID(rs.getString("StuID"));
				
				Leave.setLeavePunish(rs.getString("LeavePunish"));
				Leave.setLeaveContent(rs.getString("LeaveContent"));
				 Leave.setHandleName(rs.getString("HandleName"));
				Leave.setStartDate(rs.getString("StartDate"));
				Leave.setCancelDate(rs.getString("CancelDate"));
				Leave.setCancelReason(rs.getString("CancelReason"));
				Leave.setRemark(rs.getString("Remark"));
				
				LeaveVector.add(Leave);
			}
		} catch (Exception e) {
			System.err.println(e);
		} finally {
			try {
				dbc.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return LeaveVector;

	}

	/*
	 * List All Leave
	 */
	public static Vector countAll(String dateinfo1, String dateinfo2) {
			DBConnect dbc = null;
		Vector LeaveVector = new Vector();

		String wheresql = "";

		 

		if (dateinfo1 != "" && dateinfo2 != "") {
			wheresql = " and  StartDate >'" + dateinfo1 + "' and StartDate <'" + dateinfo2 + "' ";
		}
		String strSQL = null;

		strSQL = "SELECT StuID,sum(CancelReason) as dd FROM `Leave` where LeavePunish='审核通过' " + wheresql + "   group by StuID";
		System.err.println(strSQL);
		try {
			dbc = new DBConnect();
			dbc.prepareStatement(strSQL);
			ResultSet rs = dbc.executeQuery();
			while (rs.next()) {
				Leave Leave = new Leave();
				 	Leave.setStuID(rs.getString("StuID"));
				
				 
				Leave.setCancelReason(rs.getString("dd"));
				 
				LeaveVector.add(Leave);
			}
		} catch (Exception e) {
			System.err.println(e);
		} finally {
			try {
				dbc.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		return LeaveVector;

	}

	
}