java 文件读写 javaIO

[java]代码库

/**
 * 读出1.txt中的内容，写入2.txt中
 *
 */
import java.io.*;

public class ReadWriteFile {
	public static void main(String[] args) {
		try {

			File read = new File("c:\\1.txt");
			File write = new File("c:\\2.txt");

			BufferedReader br = new BufferedReader(new FileReader(read));
			BufferedWriter bw = new BufferedWriter(new FileWriter(write));
			String temp = null;
			temp = br.readLine();
			while (temp != null) {
				// 写文件
				bw.write(temp + "\r\n"); // 只适用Windows系统
				// 继续读文件
				temp = br.readLine();
			}

			bw.close();
			br.close();

		} catch (FileNotFoundException e) { // 文件未找到
			System.out.println(e);
		} catch (IOException e) {
			System.out.println(e);
		}
	}
}