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