文件下载工具类

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;


import sun.misc.BASE64Encoder;


public class DownLoadUtils {
public static String getAttachmentFileName(String filename, String browserType) {
try {
if (browserType.contains("Firefox")) {
// 访问火狐浏览器 =?utf-8?B?
filename = "=?utf-8?B?" + new BASE64Encoder().encode(filename.getBytes("utf-8")) + "?=";
// filename = MimeUtility.encodeText(filename, "utf-8", "B");
} else {
// IE CHROME 等浏览器 处理附件名乱码
filename = URLEncoder.encode(filename, "utf-8");
filename = filename.replace("+", " ");
}
return filename;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}