javaio-WriteStringToFile

javaio-WriteStringToFile

package  cn.yu.test.io;
import  java.io.DataOutputStream;
import  java.io.FileOutputStream;
import  java.io.FileWriter;
import  java.io.OutputStreamWriter;
import  java.io.PrintStream;
import  java.io.PrintWriter;
import  java.io.RandomAccessFile;
/**
 * WriteStringToFile
 *  @version  1.0
 * @date 2010/5/10
 * */
public   class  WriteStringToFile {
     public   static   void  main(String[] args) {
         try  {
            String aString  =   " Hello你好 " ;
        
            FileWriter fw  =   new  FileWriter( " c:/out.fw.txt " );
            fw.write(aString);
            fw.close();    // 默认gbk编码9字节
             ////////////////////////////////////////////////////////////////////////////
            OutputStreamWriter osw  =   new  OutputStreamWriter( new  FileOutputStream( " c:/out.osw.txt " ), " UTF-8 " );
            osw.write(aString);
            osw.close();   // utf-8编码 11字节
            
             ////////////////////////////////////////////////////////// /
            DataOutputStream dos  =   new  DataOutputStream( new  FileOutputStream( " c:/out.dos.txt " ));
            dos.writeChars(aString);
            dos.close();   // 14个字节, 每个字符用该字符2字节的unicode表示
             //////////////////////////////////////////////////////////////
            PrintStream ps  =   new  PrintStream( new  FileOutputStream( " c:/out.ps.txt " ));
            ps.print(aString);
            ps.close();  // 默认gbk编码9字节
             //////////////////////////////////////////////
            PrintWriter pw  =   new  PrintWriter( new  FileOutputStream( " c:/out.pw.txt " ));
            pw.print(aString);
            pw.close();  // 默认gbk编码9字节  
              ////////////////////////////////////////////// /
            RandomAccessFile ra  =   new  RandomAccessFile( " c:/out.fa.txt " ,  " rw " );
            ra.writeUTF(aString);  //
            ra.close();  // 13个字节 ,前两个直接表示一个无符号整数,值是这个字符串的字符所需要的字节数
             ////////////////////////////////////////////////
            RandomAccessFile ra2  =   new  RandomAccessFile( " c:/out.fa2.txt " ,  " rw " );
            ra2.writeChars(aString);
            ra2.close();  // 14个字节, 每个字符用该字符2字节的unicode表示
        }  catch  (Exception e) {
            e.printStackTrace();
        }
    }
}