From 16d8b71e21dc7298b30f46bf264cd9b3589a6978 Mon Sep 17 00:00:00 2001 From: who's hu <hup_dev@outlook.com> Date: 星期二, 22 八月 2023 17:25:19 +0800 Subject: [PATCH] update ruoyi-ui/src/permission.js. 由于重定向url存在 http://xxx.xx.xxx/{id}?param={a}&name={b} 的场景, 当未登录访问时, 通过改js封装登录后重定向参数, 会丢失?后的query params 如: 访问 http://localhost:1024/core/doc/doc?id=1683734914907807745&version=31 期望 http://localhost:1024/login?redirect=%2Fcore%2Fdoc%2Fdoc%3Fid%3D1683734914907807745%26version%3D31 实际通过 to.fullPath 封装后 获得 http://localhost:1024/login?redirect=%2Fcore%2Fdoc%2Fdoc%3Fid%3D1683734914907807745&version=31 --- ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileTypeUtils.java | 29 +++++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileTypeUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileTypeUtils.java index 65be65b..25f5306 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileTypeUtils.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileTypeUtils.java @@ -44,4 +44,33 @@ } return fileName.substring(separatorIndex + 1).toLowerCase(); } + + /** + * 获取文件类型 + * + * @param photoByte 文件字节码 + * @return 后缀(不含".") + */ + public static String getFileExtendName(byte[] photoByte) + { + String strFileExtendName = "JPG"; + if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56) + && ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97)) + { + strFileExtendName = "GIF"; + } + else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70)) + { + strFileExtendName = "JPG"; + } + else if ((photoByte[0] == 66) && (photoByte[1] == 77)) + { + strFileExtendName = "BMP"; + } + else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71)) + { + strFileExtendName = "PNG"; + } + return strFileExtendName; + } } \ No newline at end of file -- Gitblit v1.9.2