java實現拷貝檔案到另一個路徑
阿新 • • 發佈:2019-01-23
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
public class copy {
/**複製檔案的方法*/
public static void copyFile(String oldPath, String newPath) {
try {
int bytesum = 0;
int byteread = 0;
File oldfile = new File(oldPath);
if (oldfile.exists()) { //檔案存在時
InputStream inStream = new FileInputStream(oldPath); //讀入原檔案
FileOutputStream fs = new FileOutputStream(newPath);
byte[] buffer = new byte[1444];
while ( (byteread = inStream.read(buffer)) != -1) {
bytesum += byteread; //位元組數 檔案大小
System.out.println(bytesum);
fs.write(buffer, 0, byteread);
}
inStream.close();
fs.close();
}
}
catch (Exception e) {
System.out.println("複製單個檔案操作出錯");
e.printStackTrace();
}
}
public static void main(String[] args) {
String newPath="D:\\zc\\defaultroot\\sbbb\\temp\\SGHT\\201411030005064964\\1.docx";
String oldPath="D:\\zc\\defaultroot\\sbbb\\annex\\ZC_SGHT\\201411030005064964\\1.docx";
copy.copyFile(oldPath, newPath);
}
}
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
public class copy {
/**複製檔案的方法*/
public static void copyFile(String oldPath, String newPath) {
try {
int bytesum = 0;
int byteread = 0;
File oldfile = new File(oldPath);
if (oldfile.exists()) { //檔案存在時
InputStream inStream = new FileInputStream(oldPath); //讀入原檔案
FileOutputStream fs = new FileOutputStream(newPath);
byte[] buffer = new byte[1444];
while ( (byteread = inStream.read(buffer)) != -1) {
bytesum += byteread; //位元組數 檔案大小
System.out.println(bytesum);
fs.write(buffer, 0, byteread);
}
inStream.close();
fs.close();
}
}
catch (Exception e) {
System.out.println("複製單個檔案操作出錯");
e.printStackTrace();
}
}
public static void main(String[] args) {
String newPath="D:\\zc\\defaultroot\\sbbb\\temp\\SGHT\\201411030005064964\\1.docx";
String oldPath="D:\\zc\\defaultroot\\sbbb\\annex\\ZC_SGHT\\201411030005064964\\1.docx";
copy.copyFile(oldPath, newPath);
}
}