学生信息管理软件工程(3)

("g"));

i++;elect();

}

}

}

import .*;

import .*;

class ManagerFrane extends JFrame implements ActionListener {isplay();

if () == "课程信息管理") {

new CM("课程信息管理").display();

}

if () == "选课信息管理") {

new SCM("选课信息管理").display();

}

if () == "成绩信息管理") {

new GM("成绩信息管理").display();

}

if () == "用户信息管理") {

new PM("用户信息管理").display();

}

if () == "退出管理系统") {

(0);

}

}

}

import .*;

import .*;

import .*;

class PM extends JFrame implements ActionListener {xecuteQuery("select * from unpw where qx=1 and un='"

+ myh + "'");

}

while () && j1 <= row) {

yh = ("un");

mm = ("pw");

j1++;

}

} catch (SQLException e) {

();

}

UAdd uadd = new UAdd();

("修改");

();

}

}

public void select() {isplay();

} else {

sTable = new JTable(playerInfo, columnNames);

(sTable);

scroll = new JScrollPane(sTable);

(scroll);

}

}

public void actionPerformed(ActionEvent e) {

if () == "修改") {

();

}

if () == "查询") {

pst = new PSelect();

();

}

if () == "显示") {

();

new PM("用户信息管理").display();

}

}

}

import .*;

import .*;

import .*;

class PPM extends JFrame implements ActionListener {xecuteQuery("select * from unpw where qx=1 and un='"

+ myh + "'");

}

while () && j1 <= row) {

yh = ("un");

mm = ("pw");

j1++;

}

} catch (SQLException e) {

();

}

UAdd uadd = new UAdd();

("修改密码");

();

}

}

public void select() {elect();

} else {

sTable = new JTable(playerInfo, columnNames);

(sTable);

scroll = new JScrollPane(sTable);

(scroll);

}

}

public void actionPerformed(ActionEvent e) {

();

}

}

import .*;

public class PPSelect extends JFrame implements ActionListener {elect();

}

}

}

import .*;

public class PSelect extends JFrame implements ActionListener {elect();

}

}

}

import .*;

import .*;

import .*;

class SAdd extends JFrame implements ActionListener, ItemListener {quals("男")) {

("男");

("女");

} else {

("女");

("男");

}

if ().equals("计科系")) {

("计科系");

("物理系");

("数学系");

("外语系");

}

if ().equals("物理系")) {

("物理系");

("计科系");

("数学系");

("外语系");

}

if ().equals("外语系")) {

("外语系");

("计科系");

("物理系");

("数学系");

}

if ().equals("数学系")) {

("数学系");

("计科系");

("物理系");

("外语系");

}

(new FlowLayout);

(lsno);

(tsno);

(lsname);

(tsname);

(lsage);

(tsage);

(lssex);

(cbssex);

(lsdept);

(cbsdept);

(btnOK);

(btnCancel);

(p);

;

(this);

(this);

(this);

(this);

();

}

public void connDB() { isplay();

}

isNewsm = true;

}

if () == " 取消 ") {

(false);

new SM().display();

}

}

public void itemStateChanged(ItemEvent e) { ;

import .*;

import .*;

class SCM extends JFrame implements ActionListener {xecuteQuery("select * from sc where sno='" + mscxh + "'");

while ()) {

playerInfo[j][0] = ("sno");

playerInfo[j][1] = ("cno");

playerInfo[j][2] = ("g");

j++;

}

} catch (SQLException e) {

();

}

if (playerInfo[0][1] == null) {

();

(null, "课程号不存在！");

new SCM("选课信息管理").display();

} else {

sTable = new JTable(playerInfo, columnNames);

(sTable);

scroll = new JScrollPane(sTable);

(scroll);

}

}

public void actionPerformed(ActionEvent e) {