//----時間字符串轉時間戳---

format 示例 ?@"yyyy-MM-dd HH:mm:ss"

#define TIMESTR_TO_C(dateStr,format)\ NSDateFormatter* formatter = [[NSDateFormatter alloc] init];\ [formatter setDateFormat:format];\ NSDate *dateP = [formatter dateFromString:dateStr];\ dateStr = [NSString stringWithFormat:@"%ld", (long)[dateP timeIntervalSince1970]]

//----時間戳轉字符串----

#define TIMEC_TO_STR(dateStr,format)\ NSDateFormatter* formatter = [[NSDateFormatter alloc] init];\ [formatter setDateFormat:format];\ NSDate *date = [NSDate dateWithTimeIntervalSince1970:dateStr.longLongValue];\ dateStr = [formatter stringFromDate:date]

//獲取設備信息

#define screenHeight [UIScreen mainScreen].bounds.size.height#define screenWidth [UIScreen mainScreen].bounds.size.width#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]

//UTF8轉碼

#define UTF8(string) [string stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]

//視圖頂部高度

#define DeviceTop (([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)?20:0)

//加載時判斷項目類型

#ifdef __OBJC__ #import <UIKit/UIKit.h> #import <Foundation/Foundation.h> #import "AppDelegate.h" #endif

//操作系統(tǒng)版本限制

#ifndef __IPHONE_3_0 #warning "This project uses features only available in iOS SDK 3.0 and later." #endif

?

轉載于:https://www.cnblogs.com/hushuai-ios/p/3679752.html

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