From 3e8437ae559487362fae3525beb79c534c213a51 Mon Sep 17 00:00:00 2001
From: 单军华
Date: Thu, 12 Jul 2018 13:44:34 +0800
Subject: [PATCH] bug修复和功能优化

---
 screendisplay/Pods/ZFDownload/ZFDownload/ZFCommonHelper.m |  106 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 106 insertions(+), 0 deletions(-)

diff --git a/screendisplay/Pods/ZFDownload/ZFDownload/ZFCommonHelper.m b/screendisplay/Pods/ZFDownload/ZFDownload/ZFCommonHelper.m
new file mode 100755
index 0000000..4ef153f
--- /dev/null
+++ b/screendisplay/Pods/ZFDownload/ZFDownload/ZFCommonHelper.m
@@ -0,0 +1,106 @@
+//
+//  ZFCommonHelper.m
+//
+// Copyright (c) 2016��� ��������� ( 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)//������1M���������������M������������������
+    {
+        return [NSString stringWithFormat:@"%1.2fM",[size floatValue]/1024/1024];
+    }
+    else if([size floatValue]>=1024&&[size floatValue]<1024*1024) //������1M,���������������1KB���������������KB������
+    {
+        return [NSString stringWithFormat:@"%1.2fK",[size floatValue]/1024];
+    }
+    else//���������������������1K������������������B������
+    {
+        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)//���M������������������
+    {
+        return [[size substringToIndex:indexM] floatValue]*1024*1024;
+    }
+    else if(indexK<1000)//���K������������������
+    {
+        return [[size substringToIndex:indexK] floatValue]*1024;
+    }
+    else if(indexB<1000)//���B������������������
+    {
+        return [[size substringToIndex:indexB] floatValue];
+    }
+    else//������������������������������������
+    {
+        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

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