@interface LKSaveAnimationFile : NSObject
//返回缓存根目录 "caches"
+(NSString *)getCachesDirectory;
//返回根目录路径 "document"
- (NSString *)getDocumentPath;
//创建文件夹
+(BOOL)creatDir:(NSString*)dirPath;
//删除文件夹
+(BOOL)deleteDir:(NSString*)dirPath;
//移动文件夹
+(BOOL)moveDir:(NSString)srcPath to:(NSString)desPath;
//创建文件
- (BOOL)creatFile:(NSString)filePath withData:(NSData)data;
//读取文件
+(NSData*)readFile:(NSString *)filePath;
//删除文件
+(BOOL)deleteFile:(NSString *)filePath;
//返回 文件全路径
- (NSString)getFilePath:(NSString) fileName;
//在对应文件保存数据
- (BOOL)writeDataToFile:(NSString)fileName data:(NSData)data;
//从对应的文件读取数据
- (NSData)readDataFromFile:(NSString)fileName;
@end
@implementation LKSaveAnimationFile
-
(instancetype)shareInstance {
static LKSaveAnimationFile *shareInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
shareInstance = [[self alloc] init];
});return shareInstance;
}
//返回缓存根目录 "caches"
+(NSString *)getCachesDirectory
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *caches = [paths firstObject];
return caches;
}
//返回根目录路径 "document"
- (NSString *)getDocumentPath
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentPath = [paths firstObject];
return documentPath;
}
//创建文件目录
+(BOOL)creatDir:(NSString*)dirPath
{
if ([[NSFileManager defaultManager] fileExistsAtPath:dirPath])//判断dirPath路径文件夹是否已存在，此处dirPath为需要新建的文件夹的绝对路径
{
return NO;
}
else
{
[[NSFileManager defaultManager] createDirectoryAtPath:dirPath withIntermediateDirectories:YES attributes:nil error:nil];//创建文件夹
return YES;
}
}
//删除文件目录
+(BOOL)deleteDir:(NSString*)dirPath
{
if([[NSFileManager defaultManager] fileExistsAtPath:dirPath])//如果存在临时文件的配置文件
{
NSError *error=nil;
return [[NSFileManager defaultManager] removeItemAtPath:dirPath error:&error];
}
return NO;
}
//移动文件夹
+(BOOL)moveDir:(NSString)srcPath to:(NSString)desPath;
{
NSError *error=nil;
if([[NSFileManager defaultManager] moveItemAtPath:srcPath toPath:desPath error:&error]!=YES)// prePath 为原路径、 cenPath 为目标路径
{
NSLog(@"移动文件失败");
return NO;
}
else
{
NSLog(@"移动文件成功");
return YES;
}
}
//创建文件
-
(BOOL)creatFile:(NSString)filePath withData:(NSData)data
{return [[NSFileManager defaultManager] createFileAtPath:filePath contents:data attributes:nil];
}
//读取文件
+(NSData*)readFile:(NSString *)filePath
{
return [NSData dataWithContentsOfFile:filePath options:0 error:NULL];
}
//删除文件
+(BOOL)deleteFile:(NSString *)filePath
{
return [self deleteDir:filePath];
}
- (NSString *)getFilePath:(NSString *)fileName
{
NSString *dirPath = [[self getDocumentPath] stringByAppendingPathComponent:fileName];
return dirPath;
}
(BOOL)writeDataToFile:(NSString)fileName data:(NSData)data
{
NSString *filePath=[self getFilePath:fileName];
return [self creatFile:filePath withData:data];
}(NSData)readDataFromFile:(NSString)fileName
{
NSString *filePath=[self getFilePath:fileName];
return [self readFile:filePath];
}
@end
