204b6af7e70c001d137bd969311cc581

实训时做的物流系统

package com.lib.biz;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.List;

import com.lib.cls.Marc;
import com.lib.persistence.pojo.Book;


public class MarcAnalyze {
	private static MarcAnalyze instance;
	public static MarcAnalyze getInstance(){
		if (instance==null){
			instance = new MarcAnalyze();
		}
		return instance;
	}

	public Marc ReadMarc(File file) {
	      int slen,add,temp;
	      StringBuffer sb = new StringBuffer();
	      Marc marc = new Marc();
	      File f = new File(file.getPath());
	      try {
			InputStreamReader read = new InputStreamReader(new FileInputStream(f), "ISO-8859-1");
			BufferedReader reader = new BufferedReader(read);
			String aa;
	        while((aa = reader.readLine()) != null) 
	        {
	            sb.append(aa);
	            slen = Integer.parseInt(sb.substring(1, 5));
	            add = Integer.parseInt(sb.substring(13, 17));
	            for(temp = 24; temp < add -1; temp += 12)
	            {
	                String c = "";
	                String h = "";
	                h = sb.substring(temp, temp + 3);
	                marc.head.add(h);
	                c = sb.substring(add + Integer.parseInt(sb.substring(temp + 7, temp + 12)), add + Integer.parseInt(sb.substring(temp + 7, temp + 12)) + Integer.parseInt(sb.substring(temp + 3, temp + 7)));
	                c = new String(c.getBytes("ISO-8859-1"), "gbk");
	                marc.content.add(c);
	            }

	        }
			return marc;
		} catch (Exception e) {
			System.out.println("Errors");
			return marc=null;
		}
	}
	
	public Book MarcSort(Marc marc){
		Book book = new Book();
	    List content = marc.getContent();
	    book.setIsbn(content.get(1).toString().substring(4, 18));
	    book.setPrice(content.get(1).toString().substring(19,28));
	    System.out.println(book.getPrice());
	    System.out.println(book.getIsbn());
	    return book;
	}
	public static void main(String[] args) {
		File file = new File("E:\\keji.ISO");
		Marc marc = MarcAnalyze.getInstance().ReadMarc(file);
		MarcAnalyze.getInstance().MarcSort(marc);
	}
}