//
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// ZFCommonHelper.m
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//
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// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "ZFCommonHelper.h"
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#import "ZFFileModel.h"
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@implementation ZFCommonHelper
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+ (NSString *)getFileSizeString:(NSString *)size
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{
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if([size floatValue]>=1024*1024)//大于1M，则转化成M单位的字符串
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{
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return [NSString stringWithFormat:@"%1.2fM",[size floatValue]/1024/1024];
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}
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else if([size floatValue]>=1024&&[size floatValue]<1024*1024) //不到1M,但是超过了1KB，则转化成KB单位
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{
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return [NSString stringWithFormat:@"%1.2fK",[size floatValue]/1024];
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}
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else//剩下的都是小于1K的，则转化成B单位
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{
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return [NSString stringWithFormat:@"%1.2fB",[size floatValue]];
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}
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}
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+ (float)getFileSizeNumber:(NSString *)size
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{
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NSInteger indexM=[size rangeOfString:@"M"].location;
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NSInteger indexK=[size rangeOfString:@"K"].location;
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NSInteger indexB=[size rangeOfString:@"B"].location;
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if(indexM<1000)//是M单位的字符串
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{
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return [[size substringToIndex:indexM] floatValue]*1024*1024;
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}
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else if(indexK<1000)//是K单位的字符串
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{
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return [[size substringToIndex:indexK] floatValue]*1024;
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}
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else if(indexB<1000)//是B单位的字符串
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{
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return [[size substringToIndex:indexB] floatValue];
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}
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else//没有任何单位的数字字符串
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{
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return [size floatValue];
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}
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}
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+ (BOOL)isExistFile:(NSString *)fileName
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{
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NSFileManager *fileManager = [NSFileManager defaultManager];
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return [fileManager fileExistsAtPath:fileName];
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}
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+ (NSDate *)makeDate:(NSString *)birthday
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{
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NSDateFormatter *df = [[NSDateFormatter alloc] init];
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[df setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
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NSDate *date = [df dateFromString:birthday];
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return date;
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}
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+ (NSString *)dateToString:(NSDate*)date
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{
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NSDateFormatter *df = [[NSDateFormatter alloc] init];
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[df setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
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NSString *datestr = [df stringFromDate:date];
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return datestr;
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}
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+ (NSString *)createFolder:(NSString *)path
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{
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NSFileManager *fileManager = [NSFileManager defaultManager];
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NSError *error;
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if(![fileManager fileExistsAtPath:path])
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{
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[fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error];
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if(!error)
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{
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NSLog(@"%@",[error description]);
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}
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}
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return path;
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}
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@end
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