文件打包 zip


//工具类
/**
* 将存放在sourceFilePath目录下的源文件,打包成fileName名称的zip文件,并存放到zipFilePath路径下
*
* @return
* @paramsourceFilePath:待压缩的文件路径
* @paramzipFilePath:压缩后存放路径
* @paramfileName:压缩后文件的名称
*/
public static boolean fileToZip(String sourceFilePath, String zipFilePath, String fileName) {
boolean flag = false;
File sourceFile = new File(sourceFilePath);
FileInputStream fis = null;
BufferedInputStream bis = null;
FileOutputStream fos = null;
ZipOutputStream zos = null;
if (sourceFile.exists() == false) {
System.out.println("待压缩的文件目录:" + sourceFilePath + "不存在.");
} else {
try{
File zipFile = new File(zipFilePath + "/" + fileName +".zip");
if(zipFile.exists()){
System.out.println(zipFilePath + "目录下存在名字为:" + fileName +".zip" +"打包文件.");
}else{
File[] sourceFiles = sourceFile.listFiles();
if(null == sourceFiles || sourceFiles.length<1){
System.out.println("文件为null");
}else{
fos = new FileOutputStream(zipFile);
zos = new ZipOutputStream(new BufferedOutputStream(fos));
byte[] bufs = new byte[1024*10];
for(int i=0;i<sourceFiles.length;i++){
//创建ZIP实体,并添加进压缩包
ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
zos.putNextEntry(zipEntry);
//读取待压缩的文件并写进压缩包里
fis = new FileInputStream(sourceFiles[i]);
bis = new BufferedInputStream(fis, 1024*10);
int read = 0;
while((read=bis.read(bufs, 0, 1024*10)) != -1){
zos.write(bufs,0,read);
}
}
flag = true;
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
throw new RuntimeException(e);
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
} finally{
//关闭流
try {
if(null != bis) bis.close();
if(null != zos) zos.close();
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}
return flag;
}



//调用方法

public static void main(String[] args){
//待压缩的文件路径 
String sourceFilePath = "D:\\testzip";
//压缩后存放路径 
String zipFilePath = "D:\\";
//压缩后文件的名称 
String fileName = "12700153file";
boolean flag = FileToZip.fileToZip(sourceFilePath, zipFilePath, fileName);
if(flag){
System.out.println("文件打包成功!");
}else{
System.out.println("文件打包失败!");
}
}





posted @ 2019-04-15 21:17  一杯清茶一本书  阅读(224)  评论(0编辑  收藏  举报