利用文件保存 Map 健值信息

/**
* 嗖嗖移动卡
* @author ice_debj
*
*/
@SuppressWarnings("serial")
public class MobileCard implements Serializable{ private String cardNumber; // 卡号
private String userName; // 用户名
private String password; // 密码
transient private ServicePackage serpackage; // 所属套餐
private double price;
private double consumAmount; // 当月消费金额
private double money; // 账户余额
private int realTalkTime; // 当月实际通话时长
private int realSMSCount; // 当月实际发送短信条数
private int realFlow; // 当月实际上网流量 // get、set方法集
public String getCardNumber() {
return cardNumber;
}
public void setCardNumber(String cardNumber) {
this.cardNumber = cardNumber;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public ServicePackage getSerpackage() {
return serpackage;
}
public void setSerpackage(ServicePackage serpackage) {
this.serpackage = serpackage;
this.price = serpackage.getPrice();
}
public double getConsumAmount() {
return consumAmount;
}
public void setConsumAmount(double consumAmount) {
this.consumAmount = consumAmount;
}
public double getMoney() {
return money;
}
public void setMoney(double money) {
this.money = money;
}
public int getRealTalkTime() {
return realTalkTime;
}
public void setRealTalkTime(int realTalkTime) {
this.realTalkTime = realTalkTime;
}
public int getRealSMSCount() {
return realSMSCount;
}
public void setRealSMSCount(int realSMSCount) {
this.realSMSCount = realSMSCount;
}
public int getRealFlow() {
return realFlow;
}
public void setRealFlow(int realFlow) {
this.realFlow = realFlow;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
} // 显示信息
public String showMeg() {
return "MobileCard [cardNumber=" + cardNumber + ", consumAmount="
+ consumAmount + ", money=" + money + ", password=" + password
+ ", realFlow=" + realFlow + ", realSMSCount=" + realSMSCount
+ ", realTalkTime=" + realTalkTime + ", userName=" + userName
+ "]";
}
}

/**
* 品牌套餐，父类
* @author ice_debj
*
*/
public abstract class ServicePackage { private double price; // 套餐月资费 // get、set方法集
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
} // 显示套餐信息
public abstract String showInfo();}

/**
* 消费信息
* @author ice_debj
*
*/
@SuppressWarnings("serial")
public class ConsumInfo implements Serializable{ private String cardNumber; // 卡号
private String type; // 消费类型
private double consumData; // 消费数据 public String getCardNumber() {
return cardNumber;
}
public void setCardNumber(String ardNumber) {
this.cardNumber = ardNumber;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public double getConsumData() {
return consumData;
}
public void setConsumData(double consumData) {
this.consumData = consumData;
} }

// 存，集合框架至文本文件
public void saveInfoToFile(){
// 获取要保存信息的两个主要文件对象
File file1 = new File("d:/ls/ls/a.txt");
File file2 = new File("d:/ls/ls/b.txt");
if(!file1.exists()){
try {
file1.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
if(!file2.exists()){
try {
file2.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
// cards 获取数据并添加到文本中
FileWriter fw = null;
OutputStream fos = null;
ObjectOutputStream oos = null;
try {
fw = new FileWriter(file1);
int i=0;
for(Map.Entry<String, MobileCard> ent: cards.entrySet()){
fw.write(ent.getKey()+"\n");
MobileCard mc = ent.getValue();
/*
* 为避免代码过于混乱
* MobileCard 实体类中 ServicePackage serpackage 属性未序列化
* 将其成员变量保存至 price 成员变量中
*/
mc.setPrice(mc.getSerpackage().getPrice());
fos = new FileOutputStream("d:/ls/ls/a"+i+".txt");
oos = new ObjectOutputStream(fos);
oos.writeObject(mc);
i++;
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
oos.close();
fos.close();
fw.close();
} catch (IOException e) {
e.printStackTrace();
}
}
// consumInfos 获取数据并添加到文本中
try {
fw = new FileWriter(file2);
int j=0;
for(Entry<String, List<ConsumInfo>> ent: consumInfos.entrySet()){
fw.write(ent.getKey()+"\n");
// 每条记录
ArrayList<ConsumInfo> list = new ArrayList<ConsumInfo>();
list = (ArrayList<ConsumInfo>) ent.getValue();
int i=0;
for(;i<list.size();i++){
// 每条记录中，list 形式的消费记录
ConsumInfo ci = list.get(i);
fos = new FileOutputStream("d:/ls/ls/"+j+"b"+i+".txt");
oos = new ObjectOutputStream(fos);
oos.writeObject(ci);
}
fw.write(i+"\n");
oos.flush();
j++;
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if(oos!=null){
oos.close();
}
if(fos!=null){
fos.close();
}
if(fw!=null){
fw.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

// 取，文本文件至集合框架
public void initAddInfo(){
// 1、获取存放“键”文件的对象
File file1 = new File("d:/ls/ls/a.txt");
File file2 = new File("d:/ls/ls/b.txt");
File file = null;
// 1.1、判断文件是否存在
if(!file1.exists()){
try {
file1.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
if(!file2.exists()){
try {
file2.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
// 2、cards 对象，获取数据，添加到集合框架中
FileReader fr = null;
BufferedReader br = null;
try {
fr = new FileReader(file1);
br = new BufferedReader(fr);
String str = new String("");
int i=0;
while((str=br.readLine())!=null){
// 循环得到每行信息，得到的即为一个账户
file = new File("d:/ls/ls/a"+i+".txt");
FileInputStream fis = new FileInputStream(file);
ObjectInputStream ois = new ObjectInputStream(fis);
MobileCard mc = (MobileCard) ois.readObject();
/*
* 存数据时，为避免代码过于混乱
* 实体类 MobileCard 中成员变量 ServicePackage serpackage 没有序列化
* 现根据保存的另一参数进行初始化。
*/
ServicePackage serpackage = null;
switch((int)mc.getPrice()){
case 68:
serpackage = new NetPackage();
break;
case 58:
serpackage = new TalkPackage();
break;
default:
serpackage = new SuperPackage();
break;
}
mc.setSerpackage(serpackage);
System.out.println(mc.showMeg());
cards.put(str, mc);
i++;
ois.close();
fis.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} finally {
try {
br.close();
fr.close();
} catch (IOException e) {
e.printStackTrace();
}
}
// consumInfos 获取文本数据并添加到集合框架中
try {
fr = new FileReader(file2);
br = new BufferedReader(fr);
String str = new String();
int size = 0; // 获得某条 map 中list 保存条数
int i=0; //控制读取行数
String str2 = ""; // 保存键
int j=0; // 控制对应键的某个文本
while((str=br.readLine())!=null){
if(i%2==0){
// 读取键
str2 = str;
}else{
List<ConsumInfo> list = new ArrayList<ConsumInfo>();
// 读取值
size = Integer.parseInt(str);
for(;size>0;size--){
file = new File("d:/ls/ls/"+j+"b"+(size-1)+".txt");
FileInputStream fis = new FileInputStream(file);
ObjectInputStream ois = new ObjectInputStream(fis);
list.add((ConsumInfo) ois.readObject());
}
j++;
consumInfos.put(str2, list);
}
i++;
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} finally {
try {
fr.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}