先明白自己到底要什么功能,也就是明确需求。然后找一个自己熟悉的语言和数据库,然后开始概要设计和详细设计,然后建表编码。 如果你要的东西比较简单,而且单人使用,建议你可以看看Access,他不仅是数据库可以存储数据,也可以用他本身编写一个完整的系统,也很方便,他本身就提供很多控件和窗体之类的 只要您有兴趣,这是非常简单的(用Access开发),学起来不难,我记得我是在高中的时候学的这个,不需要什么理论知识,自己动手做一下就什么都明白了 如果你想采用别的开发工具来开发,那么建议你看看Delphi和VB,比较容易上手,另外给你一些源代码参考一下: http://www.delphiun.com/search.asp?keyword=%BD%CC%CE%F1%B9%DC%C0%ED&sea_type=down
大体上有两个部分把
1 存储信息的数据库部分
2 管理信息的程序部分
将学生信息,老师信息,通讯录的信息设计成数据库中的表
将各种信息之间的关系转化成程序逻辑
这是我用来交作业的程序.虽然不是自己写的.传上来再说了.
等我自己的可以用了.再传...
package jettang
import java.lang.*
import java.awt.*
import java.awt.event.*
import javax.swing.*
import java.sql.*
//////////////////////////////////////////////
//主类
public class STU {
public STU() {
try {
jbInit()
} catch (Exception ex) {
ex.printStackTrace()
}
}
public static void main(String args[]) {
new Frm_Main()
}
private void jbInit() throws Exception {
}
}
//主框架,数据库
class Frm_Main implements ActionListener { //throws IOException
public static final int EXIT_ON_CLOSE = 0
public Jframe frame
public Container c
public JMenuBar menuBar
public JMenu mainMenu1
public JMenu mainMenu2
public JMenu mainMenu3
public JMenuItem subMenu1[] = new JMenuItem[5]
public JMenuItem subMenu2[] = new JMenuItem[7]
public JMenuItem subMenu3[] = new JMenuItem[2]
JButton toolBarButton[] = new JButton[8]
public JToolBar toolBar
//////////////////////////////////////////////
String strTip[] = {"姓名查询...", "添加信息...",
"删除...", "修改...", "修改确认...",
"添加确认...", "删除确认...", "关于产品信息:)"}
//////////////////////////////////////////////
// String id = new String()
String name = new String()
String sex = new String()
String age = new String()
String classid = new String()
String department = new String()
String call = new String()
//////////////////////////////////////////////
Connection con
ResultSet rs
Statement st
// ResultSetmetaData rsmd
// Vector columnHeads=new Vector()
// Vector rows = new Vector()
// Vector currentRow=new Vector()
///////////////////////////////////////////////
public JLabel classidL = new JLabel("班级")
public JLabel nameL = new JLabel("姓名")
public JLabel sexL = new JLabel("性别")
public JLabel ageL = new JLabel("年龄")
public JLabel departmentL = new JLabel("单位")
public JLabel callL = new JLabel("电话")
public JLabel tittleLabel = new JLabel()
//////////////////////////////////////////////
public JTextField classidT = new JTextField()
public JTextField nameT = new JTextField()
public JTextField sexT = new JTextField()
public JTextField ageT = new JTextField()
public JTextField departmentT = new JTextField()
public JTextField callT = new JTextField()
public Jtextarea textT = new Jtextarea()
//////////////////////////////////////////////
//////////////////////////////////////////////
public Frm_Main() {
/////////////////////////////////////////////////
frame = new Jframe("学籍管理系统V1.0")
c = frame.getContentPane()
c.setLayout(null)
menuBar = new JMenuBar()
toolBar = new JToolBar()
toolBar.setFloatable(false)
frame.setJMenuBar(menuBar)
frame.setResizable(false)
////////////////////////////////////////////////
mainMenu1 = new JMenu("管理")
String str1[] = {"添加", "删除", "查询", " ", "关闭"}
for (int i = 0i <5i++) {
if (i == 3) {
mainMenu1.addSeparator()
} else {
subMenu1[i] = new JMenuItem(str1[i])
subMenu1[i].addActionListener(this)
mainMenu1.add(subMenu1[i])
}
}
menuBar.add(mainMenu1)
/////////////////////////////////////////////////
mainMenu2 = new JMenu("操作")
String str2[] = {"查询", "添加", "删除", "修改",
"提交修改", "提交添加", "提交删除"}
for (int i = 0i <7i++) {
subMenu2[i] = new JMenuItem(str2[i])
subMenu2[i].addActionListener(this)
mainMenu2.add(subMenu2[i])
}
menuBar.add(mainMenu2)
/////////////////////////////////////////////////
mainMenu3 = new JMenu("集体查询")
String str3[] = {"按班级...", "按单位..."}
for (int i = 0i <2i++) {
subMenu3[i] = new JMenuItem(str3[i])
subMenu3[i].addActionListener(this)
mainMenu3.add(subMenu3[i])
}
menuBar.add(mainMenu3)
////////////////////////////////////////////////
String strToolBar[] = {"查询", "添加", "删除", "修改", "提交修改",
"提交添加", "提交删除", "关于"}
for (int i = 0i <8i++) {
toolBarButton[i] = new JButton(strToolBar[i])
toolBarButton[i].setToolTipText(strTip[i])
toolBarButton[i].addActionListener(this)
toolBar.add(toolBarButton[i])
}
toolBar.setLocation(0, 0)
toolBar.setSize(400, 30)
c.add(toolBar)
////////////////////////////////////////////////
classidL.setLocation(35, 40)
classidL.setSize(40, 20)
//classidL.setFont(new Font("",Font.BOLD,12))
c.add(classidL)
classidT.setLocation(90, 40)
classidT.setSize(200, 20)
//classidT.setEnabled(false)
c.add(classidT)
nameL.setLocation(35, 70)
nameL.setSize(40, 20)
c.add(nameL)
nameT.setLocation(90, 70)
nameT.setSize(200, 20)
c.add(nameT)
sexL.setLocation(35, 100)
sexL.setSize(40, 20)
c.add(sexL)
sexT.setLocation(90, 100)
sexT.setSize(200, 20)
c.add(sexT)
ageL.setLocation(35, 130)
ageL.setSize(40, 20)
c.add(ageL)
ageT.setLocation(90, 130)
ageT.setSize(200, 20)
c.add(ageT)
departmentL.setLocation(35, 160)
departmentL.setSize(40, 20)
c.add(departmentL)
departmentT.setLocation(90, 160)
departmentT.setSize(200, 20)
c.add(departmentT)
callL.setLocation(35, 190)
callL.setSize(40, 20)
c.add(callL)
callT.setLocation(90, 190)
callT.setSize(200, 20)
c.add(callT)
/////////////////////////////////////////////////
tittleLabel.setText("----------集体查询结果--------")
tittleLabel.setSize(300, 20)
tittleLabel.setLocation(10, 210)
c.add(tittleLabel)
////////////////////////////////////////////
textT.setSize(400, 300)
textT.setLocation(10, 240)
c.add(textT, 14)
///////////////////////////////////////////////
frame.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE)
frame.setSize(500, 650)
frame.setLocation(200, 200)
frame.setVisible(true)
conDB()
}
//以上是框架设计
//JDBC
public void conDB() {
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver")
} catch (ClassNotFoundException e) {
JOptionPane.showMessageDialog(null, "数据库错误")
}
try {
con = DriverManager.getConnection("jdbc:odbc:jettang", "sa", "")
st = con.createStatement()
} catch (SQLException e) {
JOptionPane.showMessageDialog(null, "数据库连接失败")
}
}
//关闭连接
public void closeDB() {
try {
st.close()
con.close()
} catch (SQLException e) {
JOptionPane.showMessageDialog(null, "数据库关闭失败")
}
}
//事件响应
public void actionPerformed(ActionEvent e) {
//////////////////////////////////////////////
if (e.getSource() == toolBarButton[7]) {
JOptionPane.showMessageDialog(null, "当前版本1.0,designed by qyq &wxm")
}
/////////////////////////////////////////////查询(按姓名)
if (e.getSource() == subMenu2[0] || e.getSource() == toolBarButton[0] ||
e.getSource() == subMenu1[2]) {
String idid = JOptionPane.showInputDialog("请输入学生姓名")
if (idid.trim() != "") {
String strSQL = "select * from stuinfo where name ='" + idid +
"'"
try {
rs = st.executeQuery(strSQL)
int count = 0
while (rs.next()) {
classid = rs.getString("classid")
name = rs.getString("name")
department = rs.getString("department")
sex = rs.getString("sex")
age = rs.getString("age")
call = rs.getString("call")
++count
}
if (count == 0) {
JOptionPane.showMessageDialog(null, "无此信息")
} else {
classidT.setText(classid)
nameT.setText(name)
sexT.setText(sex)
ageT.setText(age)
callT.setText(call)
departmentT.setText(department)
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "查询失败")
}
}
}
/////////////////////////////////////////////关闭
if (e.getSource() == subMenu1[4]) {
frame.dispose()
closeDB()
}
/////////////////////////////////////////////添加
if (e.getSource() == subMenu1[0] || e.getSource() == subMenu2[1] ||
e.getSource() == toolBarButton[1]) {
JOptionPane.showMessageDialog(null, "请输入你添加的信息再点击提交添加键")
classidT.setEnabled(true)
classidT.setText("")
nameT.setText("")
sexT.setText("")
ageT.setText("")
callT.setText("")
departmentT.setText("")
}
/////////////////////////////////////////////提交添加
if (e.getSource() == toolBarButton[5] || e.getSource() == subMenu2[5]) {
if ((classidT.getText().trim()).equals("") ||
(nameT.getText().trim()).equals("") ||
(sexT.getText().trim()).equals("") ||
(ageT.getText().trim()).equals("") ||
(callT.getText().trim()).equals("") ||
(departmentT.getText().trim()).equals("")) {
JOptionPane.showMessageDialog(null, "请先点击添加键")
} else {
classid = classidT.getText()
name = nameT.getText()
sex = sexT.getText()
age = ageT.getText()
call = callT.getText()
department = departmentT.getText()
String strSQL =
"insert into stuinfo(classid,name,sex,age,call,department) values('" +
classid + "','" +
name + "','" + sex + "','" + age + "','" + call + "','" +
department + "')"
try {
st.executeUpdate(strSQL)
} catch (Exception exx) {
JOptionPane.showMessageDialog(null, "添加失败")
return
}
JOptionPane.showMessageDialog(null, "添加成功")
classidT.setText("")
nameT.setText("")
sexT.setText("")
ageT.setText("")
callT.setText("")
departmentT.setText("")
}
}
////////////////////////////////////////////提交修改
if (e.getSource() == subMenu2[4] || e.getSource() == toolBarButton[4]) {
if ((classidT.getText().trim()).equals("") ||
(nameT.getText().trim()).equals("") ||
(sexT.getText().trim()).equals("")
|| (ageT.getText().trim()).equals("") ||
(callT.getText().trim()).equals("") ||
(departmentT.getText().trim()).equals("")) {
JOptionPane.showMessageDialog(null, "请先点击修改键")
return
} else {
classid = classidT.getText()
name = nameT.getText()
sex = sexT.getText()
age = ageT.getText()
call = callT.getText()
department = departmentT.getText()
String strSQL = "update stuinfo set classid='" + classid +
"',sex='" + sex + "',age='" + age + "',call='" +
call + "',department='" + department + "'" +
"where name='" + name + "'"
try {
st.executeUpdate(strSQL)
} catch (Exception exx) {
JOptionPane.showMessageDialog(null, "修改失败")
return
}
JOptionPane.showMessageDialog(null, "修改成功")
classidT.setText("")
nameT.setText("")
sexT.setText("")
ageT.setText("")
callT.setText("")
departmentT.setText("")
}
}
///////////////////////////////////////////////修改
if (e.getSource() == subMenu2[3] || e.getSource() == toolBarButton[3]) {
String idid = JOptionPane.showInputDialog
("请输入你要修改的学生姓名后点击提交修改键确认")
if (idid.trim() != "") {
String strSQL = "select * from stuinfo where name ='" + idid +
"'"
try {
rs = st.executeQuery(strSQL)
int count = 0
while (rs.next()) {
classid = rs.getString("classid")
name = rs.getString("name")
department = rs.getString("department")
sex = rs.getString("sex")
age = rs.getString("age")
call = rs.getString("call")
++count
}
if (count == 0) {
JOptionPane.showMessageDialog(null, "无此信息")
} else {
classidT.setText(classid)
nameT.setText(name)
sexT.setText(sex)
ageT.setText(age)
callT.setText(call)
departmentT.setText(department)
classidT.setEnabled(false)
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "修改失败")
}
}
}
/////////////////////////////////////////////////删除
if (e.getSource() == subMenu2[2] || e.getSource() == toolBarButton[2] ||
e.getSource() == subMenu1[1]) {
String idDel = JOptionPane.showInputDialog
("请输入要删除的学生姓名后点击提交删除键确认")
if (idDel.trim() != "") {
String strSQL = "select * from stuinfo where name ='" + idDel +
"'"
try {
rs = st.executeQuery(strSQL)
int count = 0
while (rs.next()) {
classid = rs.getString("classid")
name = rs.getString("name")
department = rs.getString("department")
sex = rs.getString("sex")
age = rs.getString("age")
call = rs.getString("call")
++count
}
if (count == 0) {
JOptionPane.showMessageDialog(null, "无此信息")
} else {
classidT.setText(classid)
nameT.setText(name)
sexT.setText(sex)
ageT.setText(age)
callT.setText(call)
departmentT.setText(department)
classidT.setEnabled(false)
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "删除失败")
}
}
}
//////////////////////////////////////////////////提交删除
if (e.getSource() == toolBarButton[6] ||
e.getSource() == subMenu2[6]) {
if ((classidT.getText().trim()).equals("") ||
(nameT.getText().trim()).equals("") ||
(sexT.getText().trim()).equals("") ||
(ageT.getText().trim()).equals("") ||
(callT.getText().trim()).equals("") ||
(departmentT.getText().trim()).equals("")) {
JOptionPane.showMessageDialog(null, "请先点击删除键")
return
} else {
name = nameT.getText()
String strSQL = "delete from stuinfo where name='" + name +
"'"
try {
st.executeUpdate(strSQL)
} catch (Exception exx) {
JOptionPane.showMessageDialog(null, "删除失败")
return
}
JOptionPane.showMessageDialog(null, "删除成功")
classidT.setText("")
nameT.setText("")
sexT.setText("")
ageT.setText("")
callT.setText("")
departmentT.setText("")
}
}
//////////////////////////////////////////////集体查询(按班级)
if (e.getSource() == subMenu3[0]) {
classidT.setText("")
nameT.setText("")
sexT.setText("")
ageT.setText("")
callT.setText("")
departmentT.setText("")
if ((classidT.getText().trim()).equals("")) {
String idclass = JOptionPane.showInputDialog("请输入班级")
String strSQL = "select * from stuinfo where classid='" +
idclass +
"'"
try {
rs = st.executeQuery(strSQL)
displayres(rs)
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "查询失败")
}
} else {
String idclass = classidT.getText()
String strSQL = "select * from stuinfo where classid='" +
idclass +
"'"
try {
rs = st.executeQuery(strSQL)
displayres(rs)
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "查询失败")
}
}
}
////////////////////////////按单位
if (e.getSource() == subMenu3[1]) {
classidT.setText("")
nameT.setText("")
sexT.setText("")
ageT.setText("")
callT.setText("")
departmentT.setText("")
if ((departmentT.getText().trim()).equals("")) {
String idclass = JOptionPane.showInputDialog("请输入单位")
String strSQL = "select * from stuinfo where department='" +
idclass +
"'"
try {
rs = st.executeQuery(strSQL)
displayres(rs)
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "查询失败")
}
} else {
String idclass = departmentT.getText()
String strSQL = "select * from stuinfo where department='" +
idclass +
"'"
try {
rs = st.executeQuery(strSQL)
displayres(rs)
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "查询失败")
}
}
}
}
public void displayres(ResultSet rs1) throws SQLException {
//定位到达第一条记录
boolean moreRecords = rs1.next()
//如果没有记录,则提示一条消息
if (!moreRecords) {
JOptionPane.showMessageDialog(null, "无此记录")
return
}
try {
//获取数据
getNextRow(rs1)
//刷新Table
c.validate()
}
catch (SQLException sqlex) {
sqlex.printStackTrace()
}
}
public void getNextRow(ResultSet rs2) throws
SQLException {
int count = 1
while (rs2.next()) {
name = " 姓名:" + rs2.getString(1)
age = " 年龄:" + rs2.getString(2) + " 单位:"
department = rs2.getString(3) + "n"
textT.append(count + "." + name + age + department)
count++
}
}
}
#include <iostream>
//#include <String>
using namespace std
struct Date
{
int year
int month
int day
}
class Person
{
protected:
Date birthday
char* name
int personID
public:
Person(char* name,int personID,Date birthday)
{
this->birthday=birthday
this->name=name
this->personID=personID
}
void say()
{
cout<<name<<"说话"<<endl
}
virtual void ShangKe()=0
}class Teacher:public Person
{
private:
int teacherID
public:
Teacher(char * name,int personID,int teacherID, Date birthday):Person(name,personID,birthday)
{
this->teacherID=teacherID
}
void ShangKe()
{
cout<<name<<"老师上课"<<endl
}
}class Student:public Person
{
private:
int studentID
public:
Student(char * name,int personID,int teacherID,Date birthday):Person(name,personID,birthday)
{
this->studentID=studentID
}
void ShangKe()
{
cout<<name<<"学生听课"<<endl
}
}
void main()
{
Person *p
Date birthday
birthday.year=2000
birthday.month=1
birthday.day=1
Teacher tea("zhangsan",123,001,birthday)
Student stu("lisi",456,007,birthday)
p=&tea
p->ShangKe()
p=&stu
p->ShangKe()
}
大家来投我一票···嘿嘿··
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