cn.afterturn.easypoi.util.WebFilenameUtils Maven / Gradle / Ivy
package cn.afterturn.easypoi.util;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.UnsupportedEncodingException;
/**根据RFC 5987规范生成disposition值, 解决浏览器兼容以及中文乱码问题
* @author halfdo
* @date 6/25/2019
*/
public class WebFilenameUtils {
private static final Logger LOGGER = LoggerFactory.getLogger(WebFilenameUtils.class);
private static final String DISPOSITION_FORMAT = "attachment; filename=\"%s\"; filename*=utf-8''%s";
/**
* 未编码文件名转Content-Disposition值
*
* @param filename 未编码的文件名(包含文件后缀)
* @return Content-Disposition值
*/
public static String disposition(String filename) {
String codedFilename = filename;
try {
if (StringUtils.isNotBlank(filename)) {
codedFilename = java.net.URLEncoder.encode(filename, "UTF-8");
}
} catch (UnsupportedEncodingException e) {
LOGGER.error("不支持的编码:", e);
}
return String.format(DISPOSITION_FORMAT, codedFilename, codedFilename);
}
}