程序包 cn.warpin.core.util

类 FileUtil

java.lang.Object

cn.warpin.core.util.FileUtil

public class FileUtil
extends Object

字段概要

字段

修饰符和类型	字段	说明
static final String	RESOURCE_PATH

构造器概要

构造器

构造器	说明
FileUtil()

方法概要

修饰符和类型	方法	说明
private static BufferedImage	base64String2BufferedImage(String base64string)
static BufferedImage	base64ToBufferedImage(String base64String)
private static InputStream	BaseToInputStream(String base64string)
static Boolean	checkFileExist(String filePath, String fileName)
static org.springframework.http.MediaType	contentTypeSelector(String extension)
static void	createFile(String path, byte[] content)
static String	createFile(String filePath, String fileName)
static void	createFolder(String path)	创建文件夹
static void	deleteFile(String fileName)
static void	deleteFile(String path, String fileName)
static void	generateImage(String base64, String targetPath, String extensionName)
static String	getFileExtension(Path filePath)
static String	getFileType(String fileName)
static String	getHtmlFromUrl(String url)	从url获取Html内容
static int	getIntFromColor(int Red, int Green, int Blue)	通过RGB只获取int值
static int	getIntFromColor(int Red, int Green, int Blue, int Alpha)
static org.springframework.web.multipart.MultipartFile	getMultipartFile(String path)	通过路径获取MultipartFile
static String	getOssKey(String filename, String ossContext, String project, String type, String context, String content, String platform, boolean isWindows)	获取保存文件的key，包含路径
private static String	imageToBase64(BufferedImage bufferedImage)
static File	multipartFileToFile(org.springframework.web.multipart.MultipartFile multipartFile, String fileName)	保存文件到本地
static List<String>	queryFileOfFolder(String path, String suffix)	查看文件夹下的所有文件
static String	removeFileExtension(Path filePath)
static String	rename(String fileName)
static String	saveBufferedImageToFile(String base64string, String extensionName)
static void	saveFile(String base64, String fileName)
static void	saveFile(org.springframework.web.multipart.MultipartFile file, String path)
static String	saveFile(org.springframework.web.multipart.MultipartFile file, String path, String fmtName)	保存文件，文件名已经重命名

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

RESOURCE_PATH

public static final String RESOURCE_PATH

构造器详细资料

FileUtil

public FileUtil()

方法详细资料

createFile

public static String createFile(String filePath,
 String fileName)

checkFileExist

public static Boolean checkFileExist(String filePath,
 String fileName)

getFileType

public static String getFileType(String fileName)

rename

public static String rename(String fileName)

getFileExtension

public static String getFileExtension(Path filePath)

removeFileExtension

public static String removeFileExtension(Path filePath)

contentTypeSelector

public static org.springframework.http.MediaType contentTypeSelector(String extension)

multipartFileToFile

public static File multipartFileToFile(org.springframework.web.multipart.MultipartFile multipartFile,
 String fileName)
                                throws Exception

保存文件到本地

参数:

multipartFile -

抛出:

IOException

Exception

createFolder

public static void createFolder(String path)

创建文件夹

参数:

path -

抛出:

Exception

saveFile

public static void saveFile(org.springframework.web.multipart.MultipartFile file,
 String path)

参数:

file - 前端上传的文件

path - 存到本地的路径 含文件名

抛出:

Exception

saveFile

public static String saveFile(org.springframework.web.multipart.MultipartFile file,
 String path,
 String fmtName)

保存文件，文件名已经重命名

参数:

file -

path -

fmtName -

返回:

deleteFile

public static void deleteFile(String fileName)

deleteFile

public static void deleteFile(String path,
 String fileName)

saveFile

public static void saveFile(String base64,
 String fileName)
                     throws Exception

抛出:

Exception

createFile

public static void createFile(String path,
 byte[] content)
                       throws IOException

抛出:

IOException

getMultipartFile

public static org.springframework.web.multipart.MultipartFile getMultipartFile(String path)

通过路径获取MultipartFile

参数:

path -

返回:

抛出:

IOException

queryFileOfFolder

public static List<String> queryFileOfFolder(String path,
 String suffix)
                                      throws IOException

查看文件夹下的所有文件

参数:

path -

返回:

抛出:

IOException

saveBufferedImageToFile

public static String saveBufferedImageToFile(String base64string,
 String extensionName)
                                      throws Exception

抛出:

Exception

base64ToBufferedImage

public static BufferedImage base64ToBufferedImage(String base64String)

base64String2BufferedImage

private static BufferedImage base64String2BufferedImage(String base64string)
                                                 throws Exception

抛出:

Exception

BaseToInputStream

private static InputStream BaseToInputStream(String base64string)
                                      throws Exception

抛出:

Exception

imageToBase64

private static String imageToBase64(BufferedImage bufferedImage)
                             throws Exception

抛出:

Exception

generateImage

public static void generateImage(String base64,
 String targetPath,
 String extensionName)

参数:

base64 - base64编码字符串

targetPath - 图片路径-具体到文件

extensionName - 后缀

getHtmlFromUrl

public static String getHtmlFromUrl(String url)

从url获取Html内容

返回:

getIntFromColor

public static int getIntFromColor(int Red,
 int Green,
 int Blue)

通过RGB只获取int值

参数:

Red -

Green -

Blue -

返回:

getIntFromColor

public static int getIntFromColor(int Red,
 int Green,
 int Blue,
 int Alpha)

getOssKey

public static String getOssKey(String filename,
 String ossContext,
 String project,
 String type,
 String context,
 String content,
 String platform,
 boolean isWindows)

获取保存文件的key，包含路径

参数:

filename -

ossContext -

project -

type -

context -

content -

isWindows -

返回: