轉載自：http://my.oschina.net/leejan97/blog/354904
宏定義在很多方面都會使用，例如定義高度、判斷iOS系統、工具類，還有諸如文件路徑、服務端api接口文檔。爲了對宏能夠快速定位和了解其功能，我們最好在定義的時候將其放入特定的頭文件中，下面我拋磚引玉，對一些常用的宏進行分類、分文件定義，希望對大家有所幫助。
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定義尺寸類的宏
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DimensMacros.h//狀態欄高度#define STATUS_BAR_HEIGHT 20//NavBar高度#define NAVIGATION_BAR_HEIGHT 44//狀態欄 ＋ 導航欄 高度#define STATUS_AND_NAVIGATION_HEIGHT ((STATUS_BAR_HEIGHT) + (NAVIGATION_BAR_HEIGHT))//屏幕 rect#define SCREEN_RECT ([UIScreen mainScreen].bounds)#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)#define CONTENT_HEIGHT (SCREEN_HEIGHT - NAVIGATION_BAR_HEIGHT - STATUS_BAR_HEIGHT)//屏幕分辨率#define SCREEN_RESOLUTION (SCREEN_WIDTH * SCREEN_HEIGHT * ([UIScreen mainScreen].scale))//廣告欄高度#define BANNER_HEIGHT 215#define STYLEPAGE_HEIGHT 21#define SMALLTV_HEIGHT 77#define SMALLTV_WIDTH 110#define FOLLOW_HEIGHT 220#define SUBCHANNEL_HEIGHT 62 |
2.定義沙盒目錄文件的宏
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PathMacros.h//文件目錄#define kPathTemp NSTemporaryDirectory()#define kPathDocument [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]#define kPathCache [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0]#define kPathSearch [kPathDocument stringByAppendingPathComponent:@"Search.plist"]#define kPathMagazine [kPathDocument stringByAppendingPathComponent:@"Magazine"]#define kPathDownloadedMgzs [kPathMagazine stringByAppendingPathComponent:@"DownloadedMgz.plist"]#define kPathDownloadURLs [kPathMagazine stringByAppendingPathComponent:@"DownloadURLs.plist"]#define kPathOperation [kPathMagazine stringByAppendingPathComponent:@"Operation.plist"]#define kPathSplashScreen [kPathCache stringByAppendingPathComponent:@"splashScreen"]#endif |
3.工具類的宏
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UtilsMacros.h//Log utils marco#define ALog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);#ifdef DEBUG#define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);#else#define DLog(...)#endif#ifdef DEBUG#define ULog(...)//#define ULog(fmt, ...) { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[NSString stringWithFormat:@"%s\n [Line %d] ", __PRETTY_FUNCTION__, __LINE__] message:[NSString stringWithFormat:fmt, ##__VA_ARGS__] delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil]; [alert show]; }#else#define ULog(...)#endif//System version utils#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)#define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)// 獲取RGB顏色#define RGBA(r,g,b,a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]#define RGB(r,g,b) RGBA(r,g,b,1.0f)#define IsPortrait ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortrait || [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortraitUpsideDown)#define IsNilOrNull(_ref) (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]))//角度轉弧度#define DEGREES_TO_RADIANS(d) (d * M_PI / 180)//大於等於7.0的ios版本#define iOS7_OR_LATER SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"7.0")//大於等於8.0的ios版本#define iOS8_OR_LATER SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"8.0")//iOS6時，導航VC中view的起始高度#define YH_HEIGHT (iOS7_OR_LATER ? 64:0)//獲取系統時間戳#define getCurentTime [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]] |
4.通知Notification相關的宏
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NotificationMacros.h//系統Notification定義#define TNCancelFavoriteProductNotification @"TNCancelFavoriteProductNotification" //取消收藏時#define TNMarkFavoriteProductNotification @"TNMarkFavoriteProductNotification" //標記收藏時#define kNotficationDownloadProgressChanged @"kNotficationDownloadProgressChanged" //下載進度變化#define kNotificationPauseDownload @"kNotificationPauseDownload" //暫停下載#define kNotificationStartDownload @"kNotificationStartDownload" //開始下載#define kNotificationDownloadSuccess @"kNotificationDownloadSuccess" //下載成功#define kNotificationDownloadFailed @"kNotificationDownloadFailed" //下載失敗#define kNotificationDownloadNewMagazine @"kNotificationDownloadNewMagazine" |
服務端API接口的宏
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APIStringMacros.h////////////////////////////////////////////////////////////////////////////////////////////////////接口名稱相關#ifdef DEBUG//Debug狀態下的測試API#define API_BASE_URL_STRING @"http://boys.test.companydomain.com/api/"#else//Release狀態下的線上API#define API_BASE_URL_STRING @"http://www.companydomain.com/api/"#endif//接口#define GET_CONTENT_DETAIL @"channel/getContentDetail" //獲取內容詳情(含上一個和下一個)#define GET_COMMENT_LIST @"comment/getCommentList" //獲取評論列表#define COMMENT_LOGIN @"comment/login" //獲取評論列表#define COMMENT_PUBLISH @"comment/publish" //發佈評論#define COMMENT_DELETE @"comment/delComment" //刪除評論#define LOGINOUT @"common/logout" //登出 |
還有很多其他類型的宏，此處不一一列舉
創建一個import所有宏相關的文件Macros.h
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Macros.h#import "UtilsMacros.h"#import "APIStringMacros.h"#import "DimensMacros.h"#import "NotificationMacros.h"#import "SharePlatformMacros.h"#import "StringMacros.h"#import "UserBehaviorMacros.h"#import "PathMacros.h" |
在xcode項目的pch文件中，導入Macros.h文件
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XcodeProjectName-Prefix.pch#ifdef __OBJC__ #import <UIKit/UIKit.h> #import <Foundation/Foundation.h> #import "Macros.h"#endif |