update 使用 jdk17 语法优化代码

疯狂的狮子Li

2023-01-20 27df5aba2faa68a2f5d03c1f72a01f2d113e397e

 ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/file/FileUtils.java

@@ -1,11 +1,10 @@
package com.ruoyi.common.core.utils.file;

import cn.hutool.core.io.FileUtil;
import jakarta.servlet.http.HttpServletResponse;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;

import jakarta.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;

@@ -23,19 +22,11 @@
     * @param response     响应对象
     * @param realFileName 真实文件名
     */
    public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException {
    public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) {
        String percentEncodedFileName = percentEncode(realFileName);

        StringBuilder contentDispositionValue = new StringBuilder();
        contentDispositionValue.append("attachment; filename=")
            .append(percentEncodedFileName)
            .append(";")
            .append("filename*=")
            .append("utf-8''")
            .append(percentEncodedFileName);

        String contentDispositionValue = "attachment; filename=%s;filename*=utf-8''%s".formatted(percentEncodedFileName, percentEncodedFileName);
        response.addHeader("Access-Control-Expose-Headers", "Content-Disposition,download-filename");
        response.setHeader("Content-disposition", contentDispositionValue.toString());
        response.setHeader("Content-disposition", contentDispositionValue);
        response.setHeader("download-filename", percentEncodedFileName);
    }

@@ -45,8 +36,8 @@
     * @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 {
        String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
    public static String percentEncode(String s) {
        String encode = URLEncoder.encode(s, StandardCharsets.UTF_8);
        return encode.replaceAll("\\+", "%20");
    }
}