org.webframe.web.util.FileUtils Maven / Gradle / Ivy
/*
* wf-web
* Created on 2011-5-9-下午09:03:21
*/
package org.webframe.web.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import org.webframe.support.util.SystemLogUtils;
/**
* @author 黄国庆
* @version $Id: codetemplates.xml,v 1.1 2009/09/07 08:48:12 Exp $ Create: 2011-5-9 下午09:03:21
*/
public class FileUtils {
/**
* 复制单个文件
*
* @param oldPath String 原文件路径 如：c:/fqf.txt
* @param newPath String 复制后路径 如：f:/fqf.txt
* @author 黄国庆 2011-5-9 下午09:05:03
*/
public static void copyFile(String oldPath, String newPath) {
try {
copyFile(new FileInputStream(new File(oldPath)), new File(newPath));
} catch (Exception e) {
SystemLogUtils.println("复制单个文件操作出错");
e.printStackTrace();
}
}
public static void copyFile(InputStream inStream, File targetFile) {
try {
// 新文件目录不存在,则创建
File folder = targetFile.getParentFile();
if (!folder.exists()) {
folder.mkdirs();
}
if (inStream != null) { // 文件存在时
FileOutputStream fs = new FileOutputStream(targetFile);
byte[] buffer = new byte[1444];
int bytesum = 0, byteread = 0;
while ((byteread = inStream.read(buffer)) != -1) {
bytesum += byteread; // 字节数 文件大小
fs.write(buffer, 0, byteread);
}
fs.close();
inStream.close();
} else {
throw new Exception("找不到原文件!");
}
} catch (Exception e) {
SystemLogUtils.println("复制单个文件操作出错!");
e.printStackTrace();
}
}
}