Question

java web 将文件打包成 .zip后 怎么自动弹出下载框提示并下载？

Answer 1

方法一：jquery 的 ajax 实现

方法二：打包成功后，返回前台，一个标记，前台js弹出框提示

Answer 2

response.setContentType("application/zip");
response.setHeader("Location",fileName);
//fileName应该是编码后的(utf-8)

response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
response.setContentLength(fileLength);
OutputStream outputStream = response.getOutputStream();
InputStream inputStream = new FileInputStream(zipFilePath);
byte[] buffer = new byte[1024];
int i = -1;
while ((i = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, i);
}
outputStream.flush();
outputStream.close();
inputStream.close();
outputStream = null;

Answer 3

你可以windows.open(url)
url就是你的文件路径
这样就可以自动弹出下载框提示并下载