学生信息管理系统源代码.doc

学生信息管理系统源代码
import java.io.*;
class StuInfo {
public String name;
public int number;
public String sex;
public String age;
public String bir;
public String email;
public String addr;
public String tel;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getBir() {
return bir;
}
public void setBir(String bir) {
this.bir = bir;
}
public String getEmail() {
return email;
}
public void setEmail(String email ) {
this.email = email;
}
public String getAddr() {
return addr;
}
public void setAddr(String addr) {
this.addr = addr;
}
public String getTel() {
return tel;
}
public void setTel(String tel) {
this.tel = tel;
}
}
public class Student {
private static PrintStream out = System.out;
private static String filename = "Stu.txt";
private static int total = 0;
private static int rt = 0;//recyle length
private StuInfo[] stuInfos;
private StuInfo[] recycle;
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));//创建缓冲流
public Student(){
stuInfos = new StuInfo[11];
}
public void 信息录入(){
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
try{
System.out.print("\n请输入学生信息（以0结束）\n");
System.out.print("学号：\n");
StuInfo stu = new StuInfo();

stu.setNumber(Integer.parseInt(buf.readLine()));

while(stu.getNumber()!=0) {
System.out.print("姓名：\n\n");
stu.setName(buf.readLine());
System.out.print("性别：\n\n");
stu.setSex(buf.readLine());
System.out.print("年龄：\n\n");
stu.setAge (buf.readLine());
System.out.print("生日：\n\n");
stu.setBir(buf.readLine());
System.out.print("邮箱：\n\n");
stu.setEmail(buf.readLine());
System.out.print("地址：\n\n");
stu.setAddr(buf.readLine());
System.out.print("电话：\n\n");
stu.setTel(buf.readLine());
//添加其他输入信息

stuInfos[total]=stu;
total++;
stu = new StuInfo();

System.out.print("\n请输入下一个学生信息（以0结束）\n");
System.out.print("姓名：\n");
stu.setName(buf.readLine());
}
}catch(Exception e){
out.print(e);
}

}
public void 保存数据(){
try{
FileWriter fwr=new FileWriter(filename);
BufferedWriter fw = new BufferedWriter(fwr);
fw.write(total+"\r\n");
for(int k=0;k<total;k++){//保存学生信息
fw.write(stuInfos[k].getNumber()+"\r\n");
fw.write(stuInfos[k].getName()+"\r\n");
fw.write(stuInfos[k].getSex()+"\r\n");
fw.write(stuInfos[k].getAge()+"\r\n");
fw.write(stuInfos[k].getBir()+"\r\n");
fw.write(stuInfos[k].getEmail()+"\r\n");
fw.write(stuInfos[k].getAddr()+"\r\n");
fw.write(stuInfos[k].getTel()+"\r\n");
}
fw.write(rt+"\r\n");
for(int k=0;k<rt;k++){//保存回收站信息
fw.write(recycle[k].getNumber()+"\r\n");
fw.write(recycle[k].getName()+"\r\n");
fw.write(recycle[k].getSex()+"\r\n");
fw.write(recycle[k].getAge()+"\r\n");
fw.write(recycle[k].getBir()+"\r\n");
fw.write(recycle[k].getEmail()+"\r\n");
fw.write(recycle[k].getAddr()+"\r\n");
fw.write(recycle[k].getTel()+"\r\n");
}
fw.flush();
fw.close();
fwr.close();
System.out.println("\n已保存数据！");
}catch(Exception e){
out.print(e);
}
}
public void 读取数据(){
try{
FileReader fr = new FileReader(filename);
BufferedReader bfr = new BufferedReader(fr);
String buff = bfr.readLine();
if(buff != null) {
total = Integer.parseInt(buff);
}else{
total = 0;
}
StuInfo stu;
for(int i=0; i<total;i++) {
stu = new StuInfo();
stu.setNumber(Integer.parseInt(bfr.readLine()));
stu.setName(bfr.readLine());
stu.setSex(bfr.readLine());
stu.setAge(bfr.readLine());
stu.setBir(bfr.readLine());
stu.setEmail(bfr.readLine());
stu.setAddr(bfr.readLine());
stu.setTel(bfr.readLine());
stuInfos[i]=stu;
}
buff = bfr.readLine();
if(buff!= null) {
rt = Integer.parseInt(buff);
}else{
rt = 0;
}
for(int i=0; i<rt;i++) {
stu = new StuInfo();
stu.setNumber(Integer.parseInt(bfr.readLine()));
stu.setName(bfr.readLine());
stu.setSex(bfr.readLine());
stu.setAge(bfr.readLine());
stu.setBir(bfr.readLine());
stu.setEmail(bfr.readLine());
stu.setAddr(bfr.readLine());
stu.setTel(bfr.readLine());
//补全

recycle[i]=stu;
}
// bfr.flush();
bfr.close();
fr.close();
System.out.println("读取成功");
}catch(Exception e){
out.print(e);
}
}

public void 显示学生(StuInfo[] stus,int length){
try{
out.println("----------");

for(int i=0;i<length;i++){

out.println("学号："+stus[i].getNumber());
out.println("姓名："+stus[i].getName());
out.println("性别："+stus[i].getSex());
out.println("年龄："+stus[i].getAge());
out.println("生日："+stus[i].getBir());
out.println("邮箱："+stus[i].getEmail());
out.println("地址："+stus[i].getAddr());
out.println("电话："+stus[i].getTel());
//输出其他内容.....

out.println("----------");
}
System.out.println("请按任意键继续");
buf.read();//
}catch(Exception e){
out.print(e);
}
}

public void 姓名查询(String name){
StuInfo[] result = new StuInfo[11];
int r = 0;
for(int i=0;i<total;i++){
if(stuInfos[i].getName().equals(name)){
result[r]=stuInfos[i];
r++;
}
}
if(r==0){
System.out.print("查找不到该学生！");
//提示找不到学生
return;
}else{
显示学生(result, r);
}
}
public void 学号查询(String number ){
StuInfo[] result = new StuInfo[11];
int r = 0;
for(int i=0;i<total;i++){
if(Integer.toString(stuInfos[i].getNumber()).equals(number)){
result[r]=stuInfos[i];
r++;//补全
}
}
if(r==0){
System.out.print("查找不到该学生！");//提示找不到学生
}else{
显示学生(result, r);
}
}
public void 查找菜单(){//全字匹配
int choice;
try{
do{
System.out.println("查找界面");//
System.out.println("1：按姓名查询");
System.out.println("2：按学号查询");
System.out.println("0：返回上级");
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
choice = Integer.parseInt(buf.readLine());
switch(choice){
case 1:
System.out.println("请输入姓名");//获得输入的姓名
String name = buf.readLine();
姓名查询(name);
break;
case 2:
System.out.println("请输入学号");
String number = buf.readLine();
学号查询(number);//获得输入的学号
break;
default:
System.out.println("对不起，出现异常！");
//异常：7
}
}while(choice!=0);
}catch(Exception e){
out.print(e);
}
}

public boolean 修改学生(int number) {
boolean flag = false;
try{
for(int i=0;i<total;i++){
if(stuInfos[i].getNumber()==number) {
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
StuInfo stu = new StuInfo();
System.out.print("\n请输入学生信息\n");
System.out.print("姓名：\n\n");
stu.setName(buf.readLine());
System.out.print("性别：\n\n");
stu.setSex(buf.readLine());
System.out.print("年龄：\n\n");
stu.setAge (buf.readLine());
System.out.print("生日：\n\n");
stu.setBir(buf.readLine());
System.out.print("邮箱：\n\n");
stu.setEmail(buf.readLine());
System.out.print("地址：\n\n");
stu.setAddr(buf.readLine());
System.out.print("电话：\n\n");
stu.setTel(buf.readLine());
stu.setNumber(number);
stuInfos[i]=stu;
System.out.print("修改完成啦！");//提示修改完成
break;
}
}
}catch(Exception e){
out.print(e);
}
return flag;
}

public boolean 删除学生(int number){
boolean flag = false;

for(int i=0;i<total;i++){
if(stuInfos[i].getNumber()==number){
if(rt==0){
recycle = new StuInfo[101];
}
recycle[rt]=stuInfos[i];

for(;i<total-1;i++){
stuInfos[i]=stuInfos[i+1];
}
total--;
flag=true;
break;
}
}
return flag;
}

public void 删除页面(){
System.out.print("删除页面");//请输入要删除的学号
try{
int choice;
BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
System.out.println("1：学生信息修改");
System.out.println("2：学生信息删除");
System.out.println("请输入您的选择（1--2）");
//...
choice = Integer.parseInt(buf.readLine());
switch(choice){
case 1:
System.out.println("请输入要修改的学号：");
choice = Integer.parseInt(buf.readLine());
修改学生(choice);
break;
case 2:
System.out.println("请输入要删除的学号：");
choice = Integer.parseInt(buf.readLine());
删除学生(choice);
break;
//补充

}
/*if(删除学生(choice)){
System.out.print("删除成功！");//删除成功
}else{
System.out.print("删除失败！");//删除失败

}*/
}catch(Exception e){
out.print(e);
}

}
public void showMenu() {
try{
int choice;
do{
System.out.println("学生管理系统主菜单界面");
System.out.println("1：学生信息录入");
System.out.println("2：学生信息浏览");
System.out.println("3：学生信息查询");
System.out.println("4：学生修改与删除");
System.out.println("5：学生信息保存");
System.out.println("6：学生信息读取");
System.out.println("0：退出系统");
System.out.println("请输入您的选择（0--6）");

BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
choice = Integer.parseInt(buf.readLine());
switch(choice){
case 1:
信息录入();//
break;
case 2:
//补全方法调用
显示学生(stuInfos, total);
break;
case 3:
查找菜单();
break;
case 4:
删除页面();
break;
case 5:
保存数据();
break;
case 6:
读取数据();
break;
default:
System.out.print("出现异常！"); //异常：7
}
}while(choice!=0);
}catch(Exception e){
System.out.println(e);
}
// TODO 自动生成的方法存根

}
public static void main(String[] args) {
Student student = new Student();
student.showMenu();

}
}