获取沙盒路径的分类

#import "NSString+sandBox.h"

@implementation NSString (sandBox)

//cache目录

- (instancetype)appdentCache

{

    return [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory,
NSUserDomainMask,
YES) lastObject]
stringByAppendingPathComponent:[self
lastPathComponent]];

}

//Documents 目录

- (instancetype)appdentDocuments

{

    return [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
NSUserDomainMask,
YES) lastObject]
stringByAppendingPathComponent:self.lastPathComponent];

}

//Temp目录

- (instancetype)appdentTemp

{

    return [NSTemporaryDirectory()
stringByAppendingPathComponent:self.lastPathComponent];

}

@end