import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class TestFile {
public TestFile() {
}
public static String read(String path) {
File file = new File(path);
StringBuffer res = new StringBuffer();
String line = null;
try {
BufferedReader reader = new BufferedReader(new FileReader(file));
while ((line = reader.readLine()) != null) {
res.append(line + "\n");
}
reader.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return res.toString();
}
public static boolean write(String cont, File dist) {
try {
BufferedWriter writer = new BufferedWriter(new FileWriter(dist));
writer.write(cont);
writer.flush();
writer.close();
return true;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
public static void main(String[] args) {
File src = new File("H:/test.txt");
String cont = TestFile.read("H:/test.txt");
System.out.println(cont);
//对得到的内容进行处理
cont = cont.replaceAll("aaa", "bbb");
System.out.println(cont);
//更新源文件
System.out.println(TestFile.write(cont, src));
}
}
