自定义同步日志系统

//自定义日志开关
#ifdef DEBUG
static const int g_printLogLevel =  3;   // 仅当  isPrintLog 值大于0的时候才输出日志，关闭日志打印改为0即可
#else
static const int g_printLogLevel =  0;   // 仅当  isPrintLog 值大于0的时候才输出日志，关闭日志打印改为0即可
#endif

#ifndef LogInfo
#define LogInfo(format, ...)            \
{                                       \
if(2 < g_printLogLevel)                 \
{                                   \
NSLog((@"%@.m:%d Info:" format), NSStringFromClass([self class]), __LINE__, ## __VA_ARGS__); \
}                                   \
}
#endif

#ifndef LogDebug
#define LogDebug(format, ...)            \
{                                       \
if(1 < g_printLogLevel)                 \
{                                   \
NSLog((@"%@.m:%d Debug:" format), NSStringFromClass([self class]), __LINE__, ## __VA_ARGS__); \
}                                   \
}
#endif

#ifndef LogError
#define LogError(format, ...)            \
{                                       \
if(0 < g_printLogLevel)                 \
{                                   \
NSLog((@"%@.m:%d Error:" format), NSStringFromClass([self class]), __LINE__, ## __VA_ARGS__); \
}                                   \
}
#endif

#import <Foundation/Foundation.h>
#import “WriteLog.h”

NSString getTime(void)
{
NSDateFormatter * formatter = [[NSDateFormatter alloc]init];
[formatter setDateFormat:@“YYYY-MM-dd HH:mm:ss:SSS”];
NSString dateTime = [formatter stringFromDate:[NSDate date]];
return dateTime;
}

void WriteFileLog(NSString format, …)
{
va_list args;
va_start(args, format);
NSString string = [[NSString alloc] initWithFormat:format arguments:args];
va_end(args);
if(!string)
{
return;
}
NSFileManager fm = [NSFileManager defaultManager];
NSString str = nil;
BOOL flag = NO;
NSArray myPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString myDocPath = [myPaths objectAtIndex:0];
NSString* path = [myDocPath stringByAppendingPathComponent:@“Log”];
[fm fileExistsAtPath:path isDirectory:&flag];
NSArray dirarray = nil;
NSString filePath = nil;
NSArray *lines = nil;
NSError error = nil;
NSData data = nil;
NSInteger n = 0, i = 0, m = 0;
NSMutableArray *filesMutableArr = [NSMutableArray array];
————————————————

                            版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
                        
原文链接：https://blog.csdn.net/jia12216/article/details/46425891

NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString *app_Name = [infoDictionary objectForKey:@"CFBundleDisplayName"];

if(flag)
{
    //        dirarray = [fm contentsOfDirectoryAtPath:filePath];
    //        FLDDLogDebug(@"%@ ",dirarray);
    dirarray = [fm contentsOfDirectoryAtPath:path error:nil];
    NSLog(@"%@ ",dirarray);
    n = dirarray.count;
    for(i = 0; i < n; i++)
    {
        filePath = [path stringByAppendingPathComponent:dirarray[i]];
        if ([fm fileExistsAtPath:filePath])
        {
            [filesMutableArr addObject:filePath];
        }
        
    }
    m = filesMutableArr.count;
    if(m > g_logFilesCount)
    {
        for(i = m - g_logFilesCount; i > 0; i++)
        {
            filePath = filesMutableArr[m - 1];
            [fm removeItemAtPath:filePath error:nil];
        }
    }
    else if(g_logFilesCount == m)
    {
        filePath = filesMutableArr[m - 1];
        lines = [[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil]
                 componentsSeparatedByString:@"\n"];
        if(lines.count < g_logFileLines)
        {
            data = [NSData dataWithContentsOfFile:filePath];
            str =[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
            str = [NSString stringWithFormat:@"%@\n%@",str,string];
            [str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
        }
        else
        {
            [fm removeItemAtPath:filePath error:nil];
            str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];
            filePath = [path stringByAppendingPathComponent:str];
            str = string;
            [str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
        }
    }
    else if(m > 0)
    {
        filePath = filesMutableArr[m - 1];
        //            str =[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:&error];
        //            str = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];
        //            NSLog(@"str :%@", str);
        lines = [[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil]
                 componentsSeparatedByString:@"\n"];
        //            if(lines.count < 65535)
        if(lines.count < g_logFileLines)
        {
            data = [NSData dataWithContentsOfFile:filePath];
            str =[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
            str = [NSString stringWithFormat:@"%@\n%@",str,string];
            [str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
        }
        else
        {
            str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];
            filePath = [path stringByAppendingPathComponent:str];
            str = string;
            [str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
        }
        
    }
    else
    {
        str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];
        filePath = [path stringByAppendingPathComponent:str];
        str = string;
        [str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
    }
    
    
}
else
{
    BOOL res = [fm createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
    if (res) {
        //            NSLog(@"文件夹创建成功");
        str = [NSString stringWithFormat:@"%@ %@.text", app_Name, getTime()];
        filePath = [path stringByAppendingPathComponent:str];
        str = string;
        //            NSLog(@"filePath :%@", filePath);
        [str writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:&error];
        //            NSLog(@"error :%@", error);
    }
    else
    {
        NSLog(@"文件夹创建失败");
    }
    
}