疯狂的狮子Li
2023-01-13 0fc796b90d3f44b81ef30285edb897223df439f7
ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
@@ -1,8 +1,10 @@
package com.ruoyi.common.utils.file;
import cn.hutool.core.io.FileUtil;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import javax.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
@@ -10,31 +12,31 @@
/**
 * 文件处理工具类
 *
 * @author ruoyi
 * @author Lion Li
 */
public class FileUtils extends FileUtil
{
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class FileUtils extends FileUtil {
    /**
     * 下载文件名重新编码
     *
     * @param response 响应对象
     * @param response     响应对象
     * @param realFileName 真实文件名
     * @return
     */
    public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException
    {
    public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException {
        String percentEncodedFileName = percentEncode(realFileName);
        StringBuilder contentDispositionValue = new StringBuilder();
        contentDispositionValue.append("attachment; filename=")
                .append(percentEncodedFileName)
                .append(";")
                .append("filename*=")
                .append("utf-8''")
                .append(percentEncodedFileName);
            .append(percentEncodedFileName)
            .append(";")
            .append("filename*=")
            .append("utf-8''")
            .append(percentEncodedFileName);
        response.addHeader("Access-Control-Expose-Headers", "Content-Disposition,download-filename");
        response.setHeader("Content-disposition", contentDispositionValue.toString());
        response.setHeader("download-filename", percentEncodedFileName);
    }
    /**
@@ -43,8 +45,7 @@
     * @param s 需要百分号编码的字符串
     * @return 百分号编码后的字符串
     */
    public static String percentEncode(String s) throws UnsupportedEncodingException
    {
    public static String percentEncode(String s) throws UnsupportedEncodingException {
        String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
        return encode.replaceAll("\\+", "%20");
    }