package edu.sisv.sms.maojy.dao;
import java.io.*;
import java.util.*;
import edu.sisv.sms.maojy.entity.Admin;
import edu.sisv.sms.maojy.entity.Student;
public class InitData {
private static final String STUDENT_DATA_FILE = "D:\\Data\\student.txt";
private static final String ADMIN_DATA_FILE = "D:\\Data\\admin.txt";
private static BufferedWriter bw;
private static BufferedReader br;
public static List<Student> stuList;
public static List<Admin> admList;
static {
stuList = new ArrayList<Student>();
admList = new ArrayList<Admin>();
}
public static void init() {
File f1 = new File(STUDENT_DATA_FILE);
if (f1.exists()) {
readStuData();
} else {
initStuDate();
}
File f2 = new File(ADMIN_DATA_FILE);
if (f2.exists()) {
readAdmData();
} else {
initAdmDate();
}
}
public static void readStuData() {
System.out.println(">>正在读取数据...");
String content = null;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(
STUDENT_DATA_FILE)));
while ((content = br.readLine()) != null) {
String[] stuArray = content.split(",");
Student stu = new Student();
stu.setName(stuArray[0]);
stu.setAccount(stuArray[1]);
stu.setPassword(stuArray[2]);
stu.setNumber(stuArray[3]);
stu.setGrade(stuArray[4]);
stu.setClazz(stuArray[5]);
stu.setSex(stuArray[6]);
stu.setAge(stuArray[7]);
stu.setJiguan(stuArray[8]);
stu.setInterest(stuArray[9]);
stu.setPingjia(stuArray[10]);
stuList.add(stu);
}
br.close();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("读取成功!");
}
public static void initStuDate() {
System.out.println(">>正在初始化...");
try {
bw = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(STUDENT_DATA_FILE)));
// 初始化学生信息
for (int i = 1; i < 20; i++) {
Student s = new Student("student" + i, "stu" + i, "s" + i,
"20140700" + i, "G" + (i % 6 + 1), "C" + (i % 10 + 1),
(i % 2 == 0 ? "男" : "女"), (i % 3 == 0 ? "21" : "23"),
"汉", "听音乐", "良好");
stuList.add(s);
bw.write(s.toString());
}
bw.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void readAdmData() {
System.out.println(">>正在读取数据...");
String content = null;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(
ADMIN_DATA_FILE)));
while ((content = br.readLine()) != null) {
String[] stuArray = content.split(",");
Admin adm=new Admin();
adm.setAccount(stuArray[0]);
adm.setPassword(stuArray[1]);
admList.add(adm);
}
br.close();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("读取成功!");
}
public static void initAdmDate() {
System.out.println(">>正在初始化...");
try {
// 初始化超级管理员
bw = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(ADMIN_DATA_FILE)));
Admin a = new Admin("admin", "admin");
admList.add(a);
bw.write(a.toString());
bw.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void saveAll() {
try {
bw = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(STUDENT_DATA_FILE)));
for (Student s : stuList) {
bw.write(s.toString());
}
bw.close();
System.out.println("\n提示:本次操作内容正在写入...");
bw = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(ADMIN_DATA_FILE)));
for (Admin a : admList) {
bw.write(a.toString());
}
bw.close();
System.out.println("信息保存完毕!");
} catch (IOException e) {
e.printStackTrace();
}
}
}
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