#import 
     
      //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