java输入输出流实验报告单

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1、吉林大学应用技术学院实验（训）报告单（电子版）实验编号08实验班级540972实验名称输入输出流实验任务书编号08实验组别27实验组成员陈静报告人陈静指导教师罗凡实验报告1读取文本文件内容importjava.io.*;importjava.awt.*;importjava.awt.event.*;publicclassTestFileDialog{publicstaticvoidmain(Stringargs[]){newFileFrame();}}classFileFrameextendsFrameimplemen

2、tsActionListener{TextAreata;Buttonopen,quit;FileDialogfd;FileFrame(){super("获取显示文本文件");ta=newTextArea(10,45);open=newButton("打开");quit=newButton("关闭");open.addActionListener(this);quit.addActionListener(this);setLayout(newFlowLayout());add(ta);add(open);add(quit

3、);setSize(350,280);show();}publicvoidactionPerformed(ActionEvente){if(e.getActionCommand()=="打开"){fd=newFileDialog(this,"打开文件",FileDialog.LOAD);fd.setDirectory("d:");fd.show();try{Filemyfile=newFile(fd.getDirectory(),fd.getFile());System.out.print(myfile);FileRe

4、aderinFile=newFileReader(myfile);BufferedReaderinB=newBufferedReader(inFile);StringfileContent="",str="";while((fileContent=inB.readLine())!=null){str=str+fileContent+"";ta.append(fileContent+"");}}catch(IOExceptionie){System.out.println(ie.toString());}}if(

5、e.getActionCommand()=="关闭"){dispose();System.exit(0);}}}2读取图像文件importjava.io.*;classReadPic{ReadPic(){try{Filef=newFile("C:\DocumentsandSettings\Administrator\桌面\54097227陈静\run.gif");Filef1=newFile("C:\DocumentsandSettings\Administrator\桌面\54097227陈静\c

6、opyrun.gif");FileInputStreaminFile=newFileInputStream(f);BufferedInputStreaminB=newBufferedInputStream(inFile);FileOutputStreamoutFile=newFileOutputStream(f1);BufferedOutputStreamoutB=newBufferedOutputStream(outFile);byteb[]=newbyte[(int)f.length()];while(inB.re

7、ad(b)!=-1){outB.write(b);}outB.flush();inB.close();outB.close();}catch(Exceptione){e.printStackTrace();}}publicstaticvoidmain(Stringargs[]){newReadPic();}}3将内容写入文件importjava.io.*;classUseStream1{UseStream1(Stringpath){try{Filef=newFile(path,"chenjing.txt");FileW

8、riteroutFile=newFileWriter(f);BufferedWriteroutB=newBufferedWriter(outFile);Strings="你们好，这是一个测试写入数据的文件。";outB.write(s);outB.newLine();outB.write("这是利用FileWriter与Buffe