From 83d4497dd072f2478171a5442d9b5c7ce83594b8 Mon Sep 17 00:00:00 2001
From: ‘liusuyi’ <1951119284@qq.com>
Date: Sat, 24 Jun 2023 14:51:24 +0800
Subject: [PATCH] 增加ptz的websocket推送
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java | 158 +++++++++++++++++++++++-----------------------------
1 files changed, 70 insertions(+), 88 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
index b9bc834..d2dcff2 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
@@ -11,6 +11,7 @@
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
+
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.ArrayUtils;
import com.ruoyi.common.config.ARDConfig;
@@ -21,44 +22,35 @@
/**
* 文件处理工具类
- *
+ *
* @author ruoyi
*/
-public class FileUtils
-{
+public class FileUtils {
public static String FILENAME_PATTERN = "[a-zA-Z0-9_\\-\\|\\.\\u4e00-\\u9fa5]+";
/**
* 输出指定文件的byte数组
- *
+ *
* @param filePath 文件路径
- * @param os 输出流
+ * @param os 输出流
* @return
*/
- public static void writeBytes(String filePath, OutputStream os) throws IOException
- {
+ public static void writeBytes(String filePath, OutputStream os) throws IOException {
FileInputStream fis = null;
- try
- {
+ try {
File file = new File(filePath);
- if (!file.exists())
- {
+ if (!file.exists()) {
throw new FileNotFoundException(filePath);
}
fis = new FileInputStream(file);
byte[] b = new byte[1024];
int length;
- while ((length = fis.read(b)) > 0)
- {
+ while ((length = fis.read(b)) > 0) {
os.write(b, 0, length);
}
- }
- catch (IOException e)
- {
+ } catch (IOException e) {
throw e;
- }
- finally
- {
+ } finally {
IOUtils.close(os);
IOUtils.close(fis);
}
@@ -71,33 +63,28 @@
* @return 目标文件
* @throws IOException IO异常
*/
- public static String writeImportBytes(byte[] data) throws IOException
- {
+ public static String writeImportBytes(byte[] data) throws IOException {
return writeBytes(data, ARDConfig.getImportPath());
}
/**
* 写数据到文件中
*
- * @param data 数据
+ * @param data 数据
* @param uploadDir 目标文件
* @return 目标文件
* @throws IOException IO异常
*/
- public static String writeBytes(byte[] data, String uploadDir) throws IOException
- {
+ public static String writeBytes(byte[] data, String uploadDir) throws IOException {
FileOutputStream fos = null;
String pathName = "";
- try
- {
+ try {
String extension = getFileExtendName(data);
pathName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
File file = FileUploadUtils.getAbsoluteFile(uploadDir, pathName);
fos = new FileOutputStream(file);
fos.write(data);
- }
- finally
- {
+ } finally {
IOUtils.close(fos);
}
return FileUploadUtils.getPathFileName(uploadDir, pathName);
@@ -105,17 +92,15 @@
/**
* 删除文件
- *
+ *
* @param filePath 文件
* @return
*/
- public static boolean deleteFile(String filePath)
- {
+ public static boolean deleteFile(String filePath) {
boolean flag = false;
File file = new File(filePath);
// 路径为文件且不为空则进行删除
- if (file.isFile() && file.exists())
- {
+ if (file.isFile() && file.exists()) {
flag = file.delete();
}
return flag;
@@ -123,32 +108,28 @@
/**
* 文件名称验证
- *
+ *
* @param filename 文件名称
* @return true 正常 false 非法
*/
- public static boolean isValidFilename(String filename)
- {
+ public static boolean isValidFilename(String filename) {
return filename.matches(FILENAME_PATTERN);
}
/**
* 检查文件是否可下载
- *
+ *
* @param resource 需要下载的文件
* @return true 正常 false 非法
*/
- public static boolean checkAllowDownload(String resource)
- {
+ public static boolean checkAllowDownload(String resource) {
// 禁止目录上跳级别
- if (StringUtils.contains(resource, ".."))
- {
+ if (StringUtils.contains(resource, "..")) {
return false;
}
// 检查允许下载的文件规则
- if (ArrayUtils.contains(MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION, FileTypeUtils.getFileType(resource)))
- {
+ if (ArrayUtils.contains(MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION, FileTypeUtils.getFileType(resource))) {
return true;
}
@@ -158,33 +139,25 @@
/**
* 下载文件名重新编码
- *
- * @param request 请求对象
+ *
+ * @param request 请求对象
* @param fileName 文件名
* @return 编码后的文件名
*/
- public static String setFileDownloadHeader(HttpServletRequest request, String fileName) throws UnsupportedEncodingException
- {
+ public static String setFileDownloadHeader(HttpServletRequest request, String fileName) throws UnsupportedEncodingException {
final String agent = request.getHeader("USER-AGENT");
String filename = fileName;
- if (agent.contains("MSIE"))
- {
+ if (agent.contains("MSIE")) {
// IE浏览器
filename = URLEncoder.encode(filename, "utf-8");
filename = filename.replace("+", " ");
- }
- else if (agent.contains("Firefox"))
- {
+ } else if (agent.contains("Firefox")) {
// 火狐浏览器
filename = new String(fileName.getBytes(), "ISO8859-1");
- }
- else if (agent.contains("Chrome"))
- {
+ } else if (agent.contains("Chrome")) {
// google浏览器
filename = URLEncoder.encode(filename, "utf-8");
- }
- else
- {
+ } else {
// 其它浏览器
filename = URLEncoder.encode(filename, "utf-8");
}
@@ -194,11 +167,10 @@
/**
* 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
*/
- 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();
@@ -220,36 +192,27 @@
* @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");
}
/**
* 获取图像后缀
- *
+ *
* @param photoByte 图像数据
* @return 后缀名
*/
- public static String getFileExtendName(byte[] photoByte)
- {
+ 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))
- {
+ && ((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))
- {
+ } else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70)) {
strFileExtendName = "jpg";
- }
- else if ((photoByte[0] == 66) && (photoByte[1] == 77))
- {
+ } else if ((photoByte[0] == 66) && (photoByte[1] == 77)) {
strFileExtendName = "bmp";
- }
- else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
- {
+ } else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71)) {
strFileExtendName = "png";
}
return strFileExtendName;
@@ -257,14 +220,12 @@
/**
* 获取文件名称 /profile/upload/2022/04/16/ruoyi.png -- ruoyi.png
- *
+ *
* @param fileName 路径名称
* @return 没有文件路径的名称
*/
- public static String getName(String fileName)
- {
- if (fileName == null)
- {
+ public static String getName(String fileName) {
+ if (fileName == null) {
return null;
}
int lastUnixPos = fileName.lastIndexOf('/');
@@ -275,17 +236,38 @@
/**
* 获取不带后缀文件名称 /profile/upload/2022/04/16/ruoyi.png -- ruoyi
- *
+ *
* @param fileName 路径名称
* @return 没有文件路径和后缀的名称
*/
- public static String getNameNotSuffix(String fileName)
- {
- if (fileName == null)
- {
+ public static String getNameNotSuffix(String fileName) {
+ if (fileName == null) {
return null;
}
String baseName = FilenameUtils.getBaseName(fileName);
return baseName;
}
+
+ /**
+ * 创建一个文件获取文件路径
+ *
+ * @param fileName 路径名称
+ * @return 文件路径和后缀的名称
+ */
+ public static String createFile(String fileName) {
+ try {
+ File file = new File(fileName);
+ if (!file.exists()) {
+ File fileParent = file.getParentFile();
+ if (!fileParent.exists()) {
+ fileParent.mkdirs();
+ }
+ file.createNewFile();
+ }
+ return file.getCanonicalPath();
+
+ } catch (Exception ex) {
+ return "";
+ }
+ }
}
--
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