/*以下是储户信息类OneDeposit，用来保存储户信息以及对储户信息进行
  一系列的处理如挂失，取款等*/
import java.io.*;
class OneDeposit{
  String number,name,password,capital,sort,saveDay,address,saveAssistant;
  boolean isLost;
  OneDeposit(){}
  OneDeposit(String number,String name,String password,String capital,
             String sort,String saveDay,String address,String saveAssistant,boolean b){
     this.number=number;
     this.name=name;
     this.password=password;
     this.capital=capital;
     this.sort=sort;
     this.saveDay=saveDay;
     this.address=address;
     this.saveAssistant=saveAssistant;
     isLost=b;
  }
  void createFiles()throws IOException{
     File f=new File("存款文件.dat");
     if(!f.exists()){
          RandomAccessFile out=new RandomAccessFile("存款文件.dat","rw");
     }
  }
  void write(RandomAccessFile out)throws IOException{
     out.writeUTF(number);
     out.writeUTF(name);
     out.writeUTF(password);
     out.writeUTF(capital);
     out.writeUTF(sort);
     out.writeUTF(saveDay);
     out.writeUTF(address);
     out.writeUTF(saveAssistant);
     String str;
     if(isLost){str="true";}
       else{str="false";
     }
     out.writeUTF(str);
  }
  //读取一个账号的相应储户信息，返回它的对象
  OneDeposit read(RandomAccessFile in,String saveNumber)throws IOException{
     String str,strr;
     String str1,str2,str3,str4,str5,str6,str7,str8;
     try{
        while((str=in.readUTF())!=null){
          System.out.println(str+saveNumber);
          if(str==saveNumber){
          str1=str;
          str2=in.readUTF();str3=in.readUTF();
          str4=in.readUTF();str5=in.readUTF();
          str6=in.readUTF();str7=in.readUTF();
          str8=in.readUTF();
          strr=in.readUTF();
                System.out.println(strr);
                if(strr=="true") {isLost=true;}
                   else {isLost=false;}
                
                OneDeposit aaa=new OneDeposit(str1,str2,str3,str4,str5,str6,str7,str8,isLost);
                return aaa;
          }
         for(int i=0;i<=7;i++){String str9=in.readUTF();}
       }
     }catch(EOFException e){}
     return new OneDeposit();       
  }
}

Alerander wrote:
没有啊
我还是初学者啊，那些错误都改了可还是没用
不知道哪位大哥能帮忙修改一下

Alerander wrote:
这是一个基础类，没有它根本谈不上调用它的类啊！

如果改用成BufferedWriter和BufferedReader也可以的~~~~

import java.io.*;
class OneDeposit{
  String[] info=new String[9];               //声明存储储户信息的数组
  OneDeposit(){}
  public OneDeposit(String number,String name,String password,String capital,
             String sort,String saveDay,String address,String saveAssistant,String isLost){
    info[0]=number; info[1]=name; info[2]=password;
    info[3]=capital; info[4]=sort; info[5]=saveDay;
    info[6]=address; info[7]=saveAssistant; info[8]=isLost;
  }
  void createFiles()throws IOException{
     File f=new File("存款文件.dat");
     if(!f.exists()){
          BufferedWriter out=new BufferedWriter(new FileWriter("存款文件.dat"));
          out.close();
     }
  }
  void write(BufferedWriter out)throws IOException{
    for(int i=0;i<9;i++){
         out.write(this.info[i]);
         out.newLine();
    }
  }
  int search(BufferedReader in,String number)throws IOException{
    int line=0,i;
    while(in.readLine()!=null){line++;}
    String[][] info2=new String[line/9][9];
    for(int a=0;a<info2.length;a++){
       for(int b=0;b<info2[a].length;b++){
             info2[a]=in.readLine();
       }
    }
    //测试区
    for(int c=0;c<info2.length;c++){
      for(int d=0;d<info2[c].length;d++){System.out.println(info2[c][d]);}
    }
    for(i=0;i<info2.length;i++){
       if(info2[i].equals(number)) {
               for(int j=0;j<9;j++){info[j]=info2[i][j];}
               return 1;
       }
    }
    return -1;
  }
}
public class TestOneDeposit{
  public static void main(String[] args){
     OneDeposit d1=new OneDeposit();
     d1.info[0]="19860923";
     d1.info[1]="李四";
     d1.info[2]="abcdef";d1.info[3]="65300";d1.info[4]="三年";
     d1.info[5]="20041001";d1.info[6]="中华人民共和国";
     d1.info[7]="混蛋007";d1.info[8]="false";
     for(int j=0;j<9;j++){System.out.println(d1.info[j]+"  ");}
     try{
        BufferedWriter out=new BufferedWriter(new FileWriter("存款文件.dat",true));
        d1.write(out);
     }catch(IOException el){System.out.println(el);}
     try{
        BufferedReader in=new BufferedReader(new FileReader("存款文件.dat"));
        OneDeposit d2=new OneDeposit();
        int k=d2.search(in,"19860923");
        for(int j=0;j<9;j++){System.out.println(d2.info[j]+"  ");}
     }catch(IOException e){}
  }
}