使用org.apache.commons.io.FileUtils写文件，,import java.

使用org.apache.commons.io.FileUtils写文件，,import java.

import java.io.File;import java.io.IOException;import org.apache.commons.io.FileUtils;public class SetContent {    public static void main(String[] args) {        try {            // We take a reference to an actual file on disk            File file = new File("test.txt");            // We set the string to be written to the file            String data = "Hi,test!!!";            // We write to the file with writeStringToFile Method            FileUtils.writeStringToFile(file, data);            // We test the result            String content = FileUtils.readFileToString(file);               System.out.println("Content : " + content);        } catch (IOException e) {            e.printStackTrace();        }    }}