添加文件压缩功能

web_backend_develope
wu ming 9 years ago
parent fa3522b71d
commit 37d3197e60

@ -0,0 +1,24 @@
package com.platform.controller;
import java.io.File;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.base.BaseController;
import com.platform.utils.ZipCompressUtils;
@Controller
@RequestMapping("/filePackage")
public class FilePackageController extends BaseController {
@RequestMapping("download")
public void downloadFile(HttpServletRequest request,
HttpServletResponse response) {
ZipCompressUtils.zip(new File("D:\\20160906-汇总-V2.4"), "D:\\文件包.zip");
}
}

@ -0,0 +1,67 @@
package com.platform.utils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
public class ZipCompressUtils {
private static Logger logger = Logger.getLogger(ZipCompressUtils.class);
public static void zip(File inputFile, String zipFileName) {
try {
// 解决中文文件夹名乱码的问题
FileOutputStream fos = new FileOutputStream(new String(
zipFileName.getBytes("UTF-8")));
ZipOutputStream zos = new ZipOutputStream(fos); // 将文件输出流与zip输出流接起来
logger.info("压缩-->开始");
zip(zos, inputFile, "");
logger.info("压缩结束");
zos.close();
} catch (Exception e) {
// TODO: handle exception
}
}
public static void zip(ZipOutputStream zos, File file, String base) {
try {
// 如果句柄是文件夹
if (file.isDirectory()) {
File[] files = file.listFiles(); // 获取文件夹下的子文件或子目录
zos.putNextEntry(new ZipEntry(base + "/"));
logger.info("目录名:" + file.getName() + "|加入ZIP条目:" + base + "/");
base = (base.length() == 0 ? "" : base + "/");
// 遍历目录下的文件
for (int i = 0; i < files.length; i++) {
// 递归进入本方法
zip(zos, files[i], base + files[i].getName());
}
} else { // 如果句柄是文件
if (base == "")
base = file.getName();
zos.putNextEntry(new ZipEntry(base)); // 填入文件句柄
logger.info("文件名:" + file.getName() + "|加入ZIP条目:" + base);
// 开始压缩
// 从文件入流读,写入ZIP 出流
writeFile(zos, file);
}
} catch (Exception e) {
// TODO: handle exception
}
}
public static void writeFile(ZipOutputStream zos, File file)
throws IOException {
logger.info("开始压缩" + file.getName());
FileInputStream fis = new FileInputStream(file);
int len;
while ((len = fis.read()) != -1)
zos.write(len);
logger.info("压缩结束");
fis.close();
}
}
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