iOS缓存清理

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#import <Foundation/Foundation.h>#import <UIKit/UIKit.h>@interface CacheManager : NSObject+(CGFloat)getCacheSize;+(void)clearCache;@end

////  CacheManager.m//  Buy////  Created by qf on 15/10/17.//  Copyright (c) 2015年 Chakery. All rights reserved.//#import "CacheManager.h"@implementation CacheManager//获取缓存大小+(CGFloat)getCacheSize{    __block CGFloat totalSize = 0;    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);    NSString *path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"ImageCache"];    __block NSFileManager *ma = [NSFileManager defaultManager];    NSArray *array = [ma contentsOfDirectoryAtPath:path error:nil];    [array enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {        NSDictionary *dic = [ma attributesOfItemAtPath:[path stringByAppendingPathComponent:obj] error:nil];        totalSize += [dic fileSize] / 1024.0 / 1024.0;    }];    return totalSize;}//清理缓存+(void)clearCache{    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);    NSString *path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"ImageCache"];    NSFileManager *ma = [NSFileManager defaultManager];    NSArray *array = [ma contentsOfDirectoryAtPath:path error:nil];    [array enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {        [ma removeItemAtPath:[path stringByAppendingPathComponent:obj] error:nil];    }];}@end

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