iOS工具類-沙盒文件基本操作

FileTool.h

#import <Foundation/Foundation.h>
@interface FileTool : NSObject
/**
 獲取沙盒主目錄
 @return 返回目錄
 */
+ (NSString *)getSandBoxHomeDir;

/**
 獲取臨時目錄
 @return 臨時目錄
 */
+ (NSString *)getTmpDir;

/**
 獲取Document目錄
 @return 返回目錄
 */
+ (NSString *)getDocumentDir;

/**
 獲取緩存文件目錄
 @return 返回緩存文件目錄
 */
+(NSString *)getCacheDir;

/**
 判斷指定文件是否存在
 @param fileName 文件名
 @return 檢測結果
 */
+ (BOOL)isExistFile:(NSString *)fileName;

/**
 刪除指定文件
 @param fileName 文件名
 @return 返回刪除結果
 */
+ (BOOL)deleteFile:(NSString *)fileName;

FileTool.m

#import "FileTool.h"
@implementation FileTool
+ (NSString *)getSandBoxHomeDir{
    return NSHomeDirectory();
}

+ (NSString *)getDocumentDir{
    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES) firstObject];
}

+ (NSString *)getTmpDir{
    return NSTemporaryDirectory();
}

+ (NSString *)getCacheDir{
    return [NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES)firstObject];
}

+ (BOOL)isExistFile:(NSString *)fileName{
    NSString * documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)  firstObject];
    NSFileManager * fileManager = [NSFileManager defaultManager];
    NSString * filePath = [documentsPath stringByAppendingPathComponent:fileName];
    return [fileManager fileExistsAtPath:filePath];
}

+ (BOOL)deleteFile:(NSString *)fileName{
    NSString * documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)  firstObject];
    NSFileManager * fileManager = [NSFileManager defaultManager];
    NSString * filePath = [documentsPath stringByAppendingPathComponent:fileName];
    return [fileManager removeItemAtPath:filePath error:nil];
}
@end