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测试代码import IODemo_02.CopyFileUtils;import org.junit.Test;public class AppTest { @Test public void CopyFileTest(){ CopyFileUtils.copyFile("F:/桌面/b.txt","F:/桌面/d.txt"); }}工具类import java.io.FileReader;import java.io.FileWriter;

package IODemo_02;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileReader;import java.io.FileWriter;public class BasedBufferCharCopy { /* 基于字符缓冲流实现文件拷贝 * */ public static void CharCopy(String src,String