【Java】读取与保存文件
import java.util.*;import android.view.*;
import android.widget.*;
import java.io.*;
public class Main {
public static void main(String[] args) {
System.out.println("HelloWorld");
}
public static void fileput(String str){
byte []aa=new byte;
//实例化
FileOutputStream textput = null;
try {
textput=this.openFileOutput("文件名字.txt", MODE_APPEND);
try {
textput.write(str.getBytes());
}catch (IOException e){
}
}catch (FileNotFoundException e){
try{
textput.close();//关闭输入流
}
catch (IOException ea){
}
}
}
public static void fileget() {
FileInputStream opedoc = null;
//实化读取文件输入流，失败返回
try
{
opedoc = this.openFileInput("文件名字.txt");
//获得输入流
try
{
opedoc.read(aa);
}
catch (IOException e)
{
}
}
catch (FileNotFoundException e)
{
try
{
opedoc.close();
}
catch (IOException en)
{
}
}
//强制转换为String型，
//因为读出来的是byte型
return new String(aa);
}
}
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