package dao.Impl;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import model.PageBean;
import model.Score;
import model.ScoreCou;
import model.ScoreSum;
import dao.ScoreDao;
import db.DBCon;
public class ScoreDaoImpl implements ScoreDao {
private Score score = null;
private ScoreCou scoreCou = null;
private PageBean pageBean = null;
private ScoreSum scoreSum = null;
private DBCon dbCon = new DBCon();
public int addScore(Score score) {
String sql = "insert into score(stu_num,stu_name,stu_class,course_name,score_grade,major) values('"
+ score.getStuNum()
+ "','"
+ score.getStuName()
+ "','"
+ score.getStuClass()
+ "','"
+ score.getCourseName()
+ "',"
+ score.getScoreGrade() + ",'" + score.getMajor() + "')";
int rs = dbCon.query(sql);
return rs;
}
public int deleteScore(int scoreID) {
String sql = "delete from score where score_id=" + scoreID;
int rs = dbCon.query(sql);
return rs;
}
public int editCos(Score score) {
String sql = "update score set stu_num='" + score.getStuNum()
+ "',stu_name='" + score.getStuName() + "',stu_class='"
+ score.getStuClass() + "',course_name='"
+ score.getCourseName() + "',score_grade="
+ score.getScoreGrade() + ",major='" + score.getMajor()
+ "' where score_id=" + score.getScoreID();
int rs = dbCon.query(sql);
return rs;
}
public List findAll() {
List<Score> list = new ArrayList<Score>();
String sql = "select * from score";
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
int scoreID = rs.getInt("score_id");
String stuNum = rs.getString("stu_num");
String stuName = rs.getString("stu_name");
String stuClass = rs.getString("stu_class");
String courseName = rs.getString("course_name");
double scoreGrade = rs.getDouble("score_grade");
String major = rs.getString("major");
Score score = new Score(scoreID, stuNum, stuName, stuClass,
courseName, scoreGrade, major);
list.add(score);
}
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
public List findOne(String stuNum) {
List<ScoreCou> list = new ArrayList<ScoreCou>();
String sql = "select score.course_name,course_credit,course_hours,course_teacher,major,coursedate,score_grade "
+ "from score,course where score.course_name=course.course_name and stu_num='"
+ stuNum + "'";
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
String courseName = rs.getString("course_name");
int courseCredit = rs.getInt("course_credit");
int courseHours = rs.getInt("course_hours");
String courseTea = rs.getString("course_teacher");
String major = rs.getString("major");
Date courseDate = rs.getDate("coursedate");
double scoreGrade = rs.getDouble("score_grade");
ScoreCou scoreCou = new ScoreCou(courseName, courseCredit,
courseHours, courseTea, major, courseDate, scoreGrade);
list.add(scoreCou);
}
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
public List selectScore(int scoreID) {
List<Score> list = new ArrayList<Score>();
String sql = "select * from score where score_id=" + scoreID;
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
int scoreid = rs.getInt("score_id");
String stuNum = rs.getString("stu_num");
String stuName = rs.getString("stu_name");
String stuClass = rs.getString("stu_class");
String courseName = rs.getString("course_name");
double scoreGrade = rs.getDouble("score_grade");
String major = rs.getString("major");
Score score = new Score(scoreid, stuNum, stuName, stuClass,
courseName, scoreGrade, major);
list.add(score);
}
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
public Score selectScoreInfo(Score scor) {
String sql = "select * from score where stu_num='" + scor.getStuNum()
+ "' and course_name='" + scor.getCourseName() + "'";
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
int scoreid = rs.getInt("score_id");
String stuNum = rs.getString("stu_num");
String stuName = rs.getString("stu_name");
String stuClass = rs.getString("stu_class");
String courseName = rs.getString("course_name");
double scoreGrade = rs.getDouble("score_grade");
String major = rs.getString("major");
score = new Score(scoreid, stuNum, stuName, stuClass,
courseName, scoreGrade, major);
}
} catch (SQLException e) {
e.printStackTrace();
}
return score;
}
public PageBean scoreListPage(int pageNo, int pageCount, String stuNum) {
int totalCount = 0;
List<ScoreCou> list = new ArrayList<ScoreCou>();
String sql = "select score.course_name,course_credit,course_hours,course_teacher,major,coursedate,score_grade "
+ "from score,course where score.course_name=course.course_name and stu_num='"
+ stuNum
+ "' limit "
+ ((pageNo - 1) * pageCount)
+ ","
+ pageCount;
String sqlCount = "select count(*) from score,course where score.course_name=course.course_name and stu_num='"
+ stuNum + "'";
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
String courseName = rs.getString("course_name");
int courseCredit = rs.getInt("course_credit");
int courseHours = rs.getInt("course_hours");
String courseTea = rs.getString("course_teacher");
String major = rs.getString("major");
Date courseDate = rs.getDate("coursedate");
double scoreGrade = rs.getDouble("score_grade");
ScoreCou scoreCou = new ScoreCou(courseName, courseCredit,
courseHours, courseTea, major, courseDate, scoreGrade);
list.add(scoreCou);
}
rs = dbCon.find(sqlCount);
while (rs.next()) {
totalCount = rs.getInt(1);
}
pageBean = new PageBean(list, totalCount, pageNo, pageCount);
} catch (SQLException e) {
dbCon.close();
e.printStackTrace();
}
return pageBean;
}
public PageBean scoreListPage(int pageNo, int pageCount) {
int totalCount = 0;
List<Score> list = new ArrayList<Score>();
String sql = "select * from score limit " + ((pageNo - 1) * pageCount)
+ "," + pageCount;
String sqlCount = "select count(*) from score";
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
int scoreID = rs.getInt("score_id");
String stuNum = rs.getString("stu_num");
String stuName = rs.getString("stu_name");
String stuClass = rs.getString("stu_class");
String courseName = rs.getString("course_name");
double scoreGrade = rs.getDouble("score_grade");
String major = rs.getString("major");
score = new Score(scoreID, stuNum, stuName, stuClass,
courseName, scoreGrade, major);
list.add(score);
}
rs = dbCon.find(sqlCount);
while (rs.next()) {
totalCount = rs.getInt(1);
}
pageBean = new PageBean(list, totalCount, pageNo, pageCount);
} catch (SQLException e) {
dbCon.close();
e.printStackTrace();
}
return pageBean;
}
public List findStuOne(String stuNum, String courseName) {
List<ScoreCou> list = new ArrayList<ScoreCou>();
String sql = "select score.course_name,course_credit,course_hours,course_teacher,major,coursedate,score_grade "
+ "from score,course where score.course_name=course.course_name and stu_num='"
+ stuNum + "' and course.course_name='" + courseName + "'";
ResultSet rs = dbCon.find(sql);
try {
while (rs.next()) {
String coursename = rs.getString("course_name");
int courseCredit = rs.getInt("course_credit");
int courseHours = rs.getInt("course_hours");
String courseTea = rs.getString("course_teacher");
String major
基于Javaweb学生成绩管理系统
需积分: 0 31 浏览量
2023-06-30
09:15:12
上传
评论
收藏 12.97MB ZIP 举报
基于Javaweb学生成绩管理系统 （596个子文件） 
,CKEDITOR.tools.htmlEncode(e._[ 1KB ,CKEDITOR.tools.htmlEncode(e._[ 1KB _div style= 1KB _div style= 1KB ScoreDaoImpl.class 12KB ScoreDaoImpl.class 12KB ServletUploadFile.class 6KB ServletUploadFile.class 6KB CourseDaoImpl.class 5KB CourseDaoImpl.class 5KB StudentDaoImpl.class 5KB StudentDaoImpl.class 5KB TeacherDaoImpl.class 5KB TeacherDaoImpl.class 5KB UserDaoImpl.class 4KB UserDaoImpl.class 4KB ServletDownloadFile.class 4KB ServletDownloadFile.class 4KB ScoreServiceImpl.class 3KB ScoreServiceImpl.class 3KB ServletTeaStuScoreStatis.class 3KB ServletTeaStuScoreStatis.class 3KB ServletaddTeacher.class 3KB ServletaddTeacher.class 3KB ServletaddStudent.class 3KB ServletaddStudent.class 3KB ServletaddCourse.class 3KB ServletaddCourse.class 3KB ServletRegistersStudent.class 3KB ServletRegistersStudent.class 3KB ServletLogin.class 3KB ServletLogin.class 3KB DBCon.class 3KB DBCon.class 3KB ServletaddScore.class 2KB ServletaddScore.class 2KB ServletEditCos.class 2KB ServletEditCos.class 2KB ServletListFile.class 2KB ServletListFile.class 2KB Teacher.class 2KB Teacher.class 2KB Student.class 2KB Student.class 2KB ServletTeaSearchScore.class 2KB ServletTeaSearchScore.class 2KB ServletSearchScore.class 2KB ServletSearchScore.class 2KB ServletTeaStuScore.class 2KB ServletTeaStuScore.class 2KB ServletEditTeacherInfo.class 2KB ServletEditStudentInfo.class 2KB ServletEditTeacherInfo.class 2KB ServletEditStudentInfo.class 2KB ServletEditScore.class 2KB ServletEditScore.class 2KB EmpBiz.class 2KB EmpBiz.class 2KB ServletEditTea.class 2KB ServletEditTea.class 2KB ServletEditStu.class 2KB ServletEditStu.class 2KB ServletFindStu.class 2KB ServletFindStu.class 2KB Score.class 2KB Score.class 2KB ServletFindStudentScore.class 2KB ServletFindStudentScore.class 2KB User.class 2KB User.class 2KB ServletEditPwd.class 2KB ServletEditPwd.class 2KB ScoreCou.class 2KB ScoreCou.class 2KB Course.class 2KB Course.class 2KB LoginFilter.class 2KB LoginFilter.class 2KB ServletEditUser.class 2KB ServletEditUser.class 2KB ScoreSum.class 2KB ScoreSum.class 2KB ServletStuSumList.class 2KB ServletStuSumList.class 2KB PageServlet.class 2KB PageServlet.class 2KB ServletInfo.class 2KB ServletInfo.class 2KB ServletFindAllStu.class 2KB ServletFindAllStu.class 2KB ServletFindAllScore.class 2KB ServletFindAllScore.class 2KB ServletTeaAllCos.class 2KB ServletTeaAllCos.class 2KB ServletSelectStudentInfo.class 2KB ServletSelectStudentInfo.class 2KB ServletFindAllCos.class 2KB ServletFindAllCos.class 2KB ServletStuSum.class 2KB ServletStuSum.class 2KB共 596 条
- 1
- 2
- 3
- 4
- 5
- 6
资源评论
