系统日子打印记录

#import <Foundation/Foundation.h>//DmLog-----------------------------
#define DmLog_TYPE_1      1                       //日志打印 1:开/0:关
#define __DmLOGWITHFUNCTION(s, ...) \
NSLog(@"%s : %@",__FUNCTION__,[NSString stringWithFormat:(s), ##__VA_ARGS__])#if DmLog_TYPE_1
#define DmLog_METHOD            NSLog(@"DmLog_METHOD:%@:%@-->",[[self class] description],NSStringFromSelector(_cmd))
#define DmLog(...)              __DmLOGWITHFUNCTION(__VA_ARGS__)
#define DmLog_2(DmLog_STR_2)     DmLog_METHOD,DmLog_STR_2
#else#define DmLog_METHOD
#define DmLog(...)
#define DmLog_2(DmLog_STR_2)
#endif#define SystemLogCreate(a) [SystemLog systemLogWithContent:[NSString stringWithFormat:@"%@",a]]  //将内容写入系统日志中@interface SystemLog : NSObject
{NSDate *_date;NSString *_filePath;NSString *_content;
}- (id)initWithContent:(NSString *)content;
+ (SystemLog *)systemLogWithContent:(NSString *)content;@end

#import "SystemLog.h"
#import "CachesManger.h"#define SYSTEMLOG(a,b) [NSString stringWithFormat:@"----------------------------------------------------\n%@\n\n%@\n\n",a,b]@implementation SystemLog- (id)initWithContent:(NSString *)content{if (self == [super init]) {[self createSystemLogFile];[self nowDate];_content = SYSTEMLOG(_date, content);[self saveSystemLogToTxtWithContent:_content];}return self;
}+ (SystemLog *)systemLogWithContent:(NSString *)content{return [[self alloc] initWithContent:content];
}/***  创建systemLog.txt文件*/
- (void)createSystemLogFile{
//    NSString *homePath = NSHomeDirectory();
//    NSString *systemLogPath = [homePath stringByAppendingPathComponent:@"Documents/DearMob/SystemLog"];
    NSString *cachePath = [CachesManger getCachesFilePath];NSString *filePath = [cachePath stringByAppendingPathComponent:@"systemLog.txt"];NSFileManager *fileManager = [NSFileManager defaultManager];BOOL isExists = [fileManager fileExistsAtPath:filePath];if (!isExists){[fileManager createFileAtPath:filePath contents:nil attributes:nil];}
//    NSFileManager *fileManager = [NSFileManager defaultManager];
//    BOOL isExists = [fileManager fileExistsAtPath:filePath];
//    if (!isExists) {
//        [fileManager createDirectoryAtPath:systemLogPath withIntermediateDirectories:YES attributes:nil error:nil];
//        [fileManager createFileAtPath:filePath contents:nil attributes:nil];
//    }_filePath = filePath;
}
/***  获取当前时间*/
- (void)nowDate{NSDate *date = [NSDate date];NSTimeZone *zone = [NSTimeZone systemTimeZone];NSInteger interval = [zone secondsFromGMTForDate: date];NSDate *localeDate = [date  dateByAddingTimeInterval: interval];_date = localeDate;
}
/***  保存内容至系统日志中**  @param content 需要添加的系统日志内容*/
- (void)saveSystemLogToTxtWithContent:(NSString *)content{NSFileHandle *fileHandle = [NSFileHandle fileHandleForUpdatingAtPath:_filePath];[fileHandle seekToEndOfFile];NSData *resultData = [content dataUsingEncoding:NSUTF8StringEncoding];[fileHandle writeData:resultData];[fileHandle closeFile];
}@end