用Java简单实现文件分割与合并 (1)

主要应用IO的RandomAccessFile(听说断点续传也是用它实现) k??乌???? 
　import java.io.*; \ ??qX驹? 
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class Fen{ ??u??}????  
String fileName; ??@??C*^  
int size; cT"{点K? 
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Fen(String fileName,String size){ ??? ?8M  
this.fileName = fileName; 顿??$A<??  
this.size = Integer.parseInt(size)*1024; 菇?%??帷L  
} Ox??P??? 
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public void cut()throws Exception{ 躁??X???0  
int maxx = 0; ?????}v? 
File inFile = new File(fileName); ?E??????? 
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int fileLength = (int)inFile.length(); //取得文件的大小 ??ms??????  
int value; //取得要分割的个数 H_s????n  
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RandomAccessFile inn = new RandomAccessFile(inFile,"r");//打开要分割的文件 ????I????  
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value = fileLength/size; a??姝$vi  
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int i=0; 9t??F??铉  
int j=0; ???H????  
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//根据要分割的数目输出文件 昃??X??[  
for (;j File outFile = new File(inFile.getName()+j+"zzii"); ????)p??? 
RandomAccessFile outt= new RandomAccessFile(outFile,"rw"); N?2wK沈?  
maxx+=size; 豸 ???6??  
for (;i outt.write(inn.read()); 3?G??k|1?