package PbuliClass;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
/**´ËÀàΪ¶Á´æÈ¡ÎļþÀà*/
public class ReadFiles {
	   static String txt;
	   static File file;
	   public static String readFiletxt(String filepath) throws IOException {
		   file= new File(filepath);//Îļþ·¾¶´ú±íÎļþ·¾¶µØÖ·
		    //Èç¹ûÎļþ²»´æÔھʹ´½¨Ò»¸öÎļþ
		    if(!file.exists()) {
		    	file.createNewFile();
		    }
	        FileInputStream filein = new FileInputStream(file);//ÎļþÊäÈë×Ö½ÚÁ÷
	       int size = filein.available();//¿É¶ÁµÄ×Ö½ÚÊý×鳤¶È
	        byte byt[]=new byte[size ];//´´½¨byteÊý×鳤¶Èsize
	        int length = 0;	        
	        while((length=filein.read(byt))!= -1){   
	        	txt=new String(byt,0,length);;
	    	}
	        
	        filein.close();//¹Ø±ÕÎļþÁ÷
	        
	        return txt;        
	   
}
	   
	   /**±£´æÎı¾µÄ·½·¨*/
	public static void wirteTxt(String filepath,String txt) { //±£´æÎı¾·½·¨
	try {
		file= new File(filepath);//Îļþ·¾¶´ú±íÎļþ·¾¶µØÖ· 
		FileWriter out=new FileWriter(file);//ÎļþÊä³ö×Ö·ûÁ÷
		if(!file.exists()) {
	    	file.createNewFile();
	    }
		out.write(txt);
		out.close();
	} catch (IOException e1) {						
		e1.printStackTrace();
	}	
	}    
}