往文件里写入字符串

package ab;


import java.io.BufferedWriter;
import java.io.File; 
import java.io.FileNotFoundException; 
import java.io.FileOutputStream; 
import java.io.FileWriter; 
import java.io.IOException; 
import java.io.PrintStream; 
import java.io.PrintWriter; 
import java.io.RandomAccessFile; 
 
public class WriteStringToTxt { 
 
    public void WriteStringToFile(String filePath) { 
        try { 
            File file = new File(filePath); 
            PrintStream ps = new PrintStream(new FileOutputStream(file)); 
            ps.println("http://www.docin.com/p-315288370.html");// 往文件里写入字符串 
            ps.append("http://www.docin.com/p-315288370.html");// 在已有的基础上添加字符串 
        } catch (FileNotFoundException e) { 
            // TODO Auto-generated catch block 
            e.printStackTrace(); 
        } 
    } 
 
    public void WriteStringToFile2(String filePath) { 
        try { 
            FileWriter fw = new FileWriter(filePath, true); 
            BufferedWriter bw = new BufferedWriter(fw); 
            bw.append("在已有的基础上添加字符串"); 
            bw.write("abc\r\n ");// 往已有的文件上添加字符串 
            bw.write("def\r\n "); 
            bw.write("hijk "); 
            bw.close(); 
            fw.close(); 
        } catch (Exception e) { 
            // TODO Auto-generated catch block 
            e.printStackTrace(); 
        } 
    } 
 
    public void WriteStringToFile3(String filePath) { 
        try { 
            PrintWriter pw = new PrintWriter(new FileWriter(filePath)); 
            pw.println("abc "); 
            pw.println("def "); 
            pw.println("hef "); 
            pw.close(); 
        } catch (IOException e) { 
            // TODO Auto-generated catch block 
            e.printStackTrace(); 
        } 
    } 
 
    public void WriteStringToFile4(String filePath) { 
        try { 
            RandomAccessFile rf = new RandomAccessFile(filePath, "rw"); 
            rf.writeBytes("op\r\n"); 
            rf.writeBytes("app\r\n"); 
            rf.writeBytes("hijklllll"); 
            rf.close(); 
        } catch (IOException e) { 
            e.printStackTrace(); 
        } 
    } 
 
    public void WriteStringToFile5(String filePath) { 
        try { 
            FileOutputStream fos = new FileOutputStream(filePath); 
            String s = "http://www.docin.com/p-315288370.html"; 
            fos.write(s.getBytes()); 
            fos.close(); 
        } catch (Exception e) { 
            // TODO Auto-generated catch block 
            e.printStackTrace(); 
        } 
    } 
 
    public static void main(String[] args) { 
        String filePath = "E:\\link11.txt"; 
         new WriteStringToTxt().WriteStringToFile(filePath); 
        // new WriteStringToTxt().WriteStringToFile2(filePath); 
        // new WriteStringToTxt().WriteStringToFile3(filePath); 
//         new WriteStringToTxt().WriteStringToFile4(filePath); 
//        new WriteStringToTxt().WriteStringToFile5(filePath); 
    } 
}