words.java

这是一个简单的单词查询系统

//package library2;
import java.io.*;
import java.util.*;
import javax.swing.*;
import java.text.*;
public class words
{
    public static String word_self,word_spell,word_type,word_chinese;
    public static String word_information_number;
    public static String word_information;
    public StringTokenizer tokenizer1,tokenizer2;

    public static String lookUp(String word)
    {



          return word_information;

    }
    public static boolean y_n_exist(String word)
    {
                try
                {
                BufferedReader inFile = new BufferedReader
                                                (new FileReader("library.txt"));
                word_information = inFile.readLine();
                while(word_information != null)
                {

                if(word_information.indexOf(word,0) >= 0)
                {
                                        break;
                                }

                else
                   word_information = inFile.readLine();
                }
                if(word_information == null)
                {
                                return false;

                }
                else
                {
                                return true;
                        }
                        //inFile.close();
                }

        catch(FileNotFoundException e)
        {

                        System.exit(0)	;
                        return false;
                }
                catch(IOException e)
                {
                        System.exit(0);
                        return false;
                }
    }


  public  static void add(String word_information)
        {
                try
                {
                        boolean judge = false;
                        String inFile_word_information;
                        StringTokenizer tokenizer2 = new StringTokenizer(word_information);
                        String in_word_self;
                        tokenizer2.nextToken(";");
                        in_word_self = tokenizer2.nextToken(";");
                BufferedReader inFile = new BufferedReader
                             (new FileReader(custom.custom_name+".txt"));
                FileWriter outData = new FileWriter("副本.txt");
                PrintWriter outFile = new PrintWriter(outData);
                inFile_word_information = inFile.readLine();
                outFile.println(inFile_word_information);
                inFile_word_information = inFile.readLine();
                        while(inFile_word_information != null)
                        {
                        StringTokenizer	tokenizer1 =
                                                new StringTokenizer(inFile_word_information);
                        tokenizer1.nextToken(";");
                        String word_self = tokenizer1.nextToken(";");
                        if(in_word_self.compareTo(word_self) < 0)
                        {
                                        judge = true;
                                        outFile.println(word_information);
                                        outFile.println(inFile_word_information);
                                        inFile_word_information = inFile.readLine();
                                      break;
                        }
                        else
                       {
                                   outFile.println(inFile_word_information);
                           inFile_word_information = inFile.readLine();
                   }
                        }
                        if(inFile_word_information != null)
                        {
                           while(inFile_word_information != null)
                      {
                                outFile.println(inFile_word_information);
                                        inFile_word_information = inFile.readLine();

                           }
                        }
                        else if(inFile_word_information == null && !(judge))
                        {
                           outFile.println(word_information);
                        }
                        outFile.close();
                        //inFile.close();
                   BufferedReader inFile2 = new BufferedReader(new FileReader("副本.txt"));


             PrintWriter outFile2 = new PrintWriter
                                        (new FileWriter(custom.custom_name+".txt"));
                String str = inFile2.readLine();
                while(str != null)
                {
                                outFile2.println(str);
                                str = inFile2.readLine();
                        }

                        outFile2.close();
                        //inFile.close();
                }
                catch (FileNotFoundException e)
                {
                        System.exit(0);
                }
                catch(IOException e)
                {
                        System.exit(0);
                }
         }
     public static String radomword()
                 {
                         try
                         {
                                 String worning = "0;0;0;0 0";
                                 //custom.custom_name = "binbin";
                                 BufferedReader inFile = new BufferedReader
                                (new FileReader(custom.custom_name + ".txt"));
                     int i;
                     int end_number = Integer.parseInt(inFile.readLine());
                     if((inFile.readLine()) == null)
                          return worning;
                     for(i=0; (inFile.readLine())!=null; i++)
                        ;
                     int number;
                     number = i;
                     int zh_number;
                     if(end_number > number)
                     {
                                         zh_number = end_number = 0;
                                 }
                                 else
                                 {
                                         zh_number = end_number * end_number % number;
                                         end_number++;
                                 }
                                 BufferedReader inFile2 = new BufferedReader
                                (new FileReader(custom.custom_name + ".txt"));
                     inFile2.readLine();
                     //String str = "yes";
                     for(i=0; i <= zh_number; i++)
                     {
                                         word_information = inFile2.readLine();
                                 }
                                 BufferedReader inFile3 = new BufferedReader
                                          (new FileReader(custom.custom_name+".txt"));
                                 FileWriter outData3 = new FileWriter("副本.txt");
                 PrintWriter outFile3 = new PrintWriter(outData3);
                                 inFile3.readLine();
                                 outFile3.println("" + end_number);
                                 String str = inFile3.readLine();
                                 while(str != null)
                                 {
                                         outFile3.println(str);
                                         str = inFile3.readLine();
                                 }
                                 outFile3.close();
                                 BufferedReader inFile4 = new BufferedReader
                                                (new FileReader("副本.txt"));
                                 FileWriter outData4 = new FileWriter
                                                                (custom.custom_name + ".txt");
                 PrintWriter outFile4 = new PrintWriter(outData4);
                 str = inFile4.readLine();
                                 while(str != null)
                                 {
                                                outFile4.println(str);
                                                str = inFile4.readLine();
                                 }
                                 outFile4.close();
                                 return word_information;

                         }
                         catch (FileNotFoundException e)
                         {
                                 System.exit(0);
                                 return words.word_chinese;
                         }
                         catch(IOException e)
                         {
                                 System.exit(0);
                                 return words.word_chinese;
                         }
                 }
                 public static String get_english_word()
                 {
                      String str = radomword();
                      StringTokenizer tokenizer =
                                                new StringTokenizer(str);
                          tokenizer.nextToken(";");
                      return tokenizer.nextToken(";");
                 }
                 public static String get_chinese_word()
                 {
                      String str = radomword();
                      StringTokenizer tokenizer =
                                                new StringTokenizer(str);

                      tokenizer.nextToken(";");
                      tokenizer.nextToken(";");
                      tokenizer.nextToken(";");
                      String str1 = tokenizer.nextToken(";");
                      StringTokenizer tokenizer2 =
                                                new StringTokenizer(str1);

                      tokenizer2.nextToken() ;
                      String str2 = tokenizer2.nextToken() ;
                      return str2;
         }
         public static void main(String[] args)
         {
             words words_object = new words();
         }






}