java文件下载设置中文名称的实例(response.addHeader)

java文件下载设置中文名称的实例(response.addHeader)

实例如下：

protected void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

String browser = "";

String fileName = "测试.txt";

try {

browser = request.getHeader("User-Agent");

if (-1 < browser.indexOf("MSIE 6.0") || -1 < browser.indexOf("MSIE 7.0")) {

// IE6, IE7 浏览器

response.addHeader("content-disposition", "attachment;filename="

+ new String(fileName.getBytes(), "ISO8859-1"));

} else if (-1 < browser.indexOf("MSIE 8.0")) {

// IE8

response.addHeader("content-disposition", "attachment;filename="

+ URLEncoder.encode(fileName, "UTF-8"));

} else if (-1 < browser.indexOf("MSIE 9.0")) {

// IE9

response.addHeader("content-disposition", "attachment;filename="

+ URLEncoder.encode(fileName, "UTF-8"));

} else if (-1 < browser.indexOf("Chrome"gfdCygYGEV)) {

// 谷歌

response.addHeader("content-disposition",

"attachment;filename*=UTF-8''" + URLEncoder.encode(fileName, "UTF-8"));

} else if (-1 < browser.indexOf("Safari")) {

// 苹果

response.addHeader("content-disposition", "attachment;filename="

+ new String(fileName.getBytes(), "ISO8859-1"));

} else {

// 火狐或者其他的浏览器

response.addHeader("content-disposition",

"attachment;filename*=UTF-8''" + URLEncoder.encode(fileName, "UTF-8"));

}

} catch (Exception e) {

e.printStackTrace();

}

InputStream in = new FileInputStream("D:\\test.txt");//获取文件输入流

int len = 0;

byte[] buffer = new byte[1024];

OutputStream out = response.getOutputStream();

while ((len = in.read(buffer)) > 0) {

out.write(buffer,0,len);//将缓冲区的数据输出到客户端浏览器

}

in.close();

out.flush();

out.close();

}

判断各个浏览器,然后进行解码和加码。

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