下载压缩包
//realName为要下载文件的名称
public static void downloadStore(HttpServletRequest request,HttpServletResponse response,String realName) throws Exception {
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
String ctxPath = request.getSession().getServletContext().getRealPath("/")+ FileOperateUtil.UPLOADDIR+"chainCompany/";
String downLoadPath = ctxPath+realName;
response.reset();
response.setContentType("application/zip");// 定义输出类型
response.setHeader("Content-disposition", "attachment; filename=" + realName);
bis = new BufferedInputStream(new FileInputStream(downLoadPath));
bos = new BufferedOutputStream(response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
bos.write(buff, 0, bytesRead);
}
bis.close();
bos.close();
}
下载文件
/**
* 下载
*realName为要下载文件的名称
*/
public static void download(HttpServletRequest request,HttpServletResponse response,String realName) throws Exception {
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
//ctxPath 下载文件的路径
String ctxPath = request.getSession().getServletContext().getRealPath("/")+
FileOperateUtil.UPLOADDIR;
String downLoadPath = ctxPath+realName;
response.reset();
response.setContentType("application/vnd.ms-excel"); // 改成输出excel文件
response.setHeader("Content-disposition", "attachment; filename=" + realName);
bis = new BufferedInputStream(new FileInputStream(downLoadPath));
bos = new BufferedOutputStream(response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
bos.write(buff, 0, bytesRead);
}
bis.close();
bos.close();
}