用以替换系统NSLog的YouXianMingLog

用以替换系统NSLog的YouXianMingLog

这是本人自己使用并改良的用以替换系统NSLog的类，非常好用，以下是使用示例，现在开源出来并提供源码，好用的话顶一下吧^_^

效果：

YouXianMingLog.h 与 YouXianMingLog.m

//

//  YouXianMingLog.h

//

//  http://home.cnblogs.com/u/YouXianMing/

//  https://github.com/YouXianMing

//

//  Created by YouXianMing on 15/1/3.

//  Copyright (c) 2015年 YouXianMing. All rights reserved.

//

#import <Foundation/Foundation.h>

#define ON   1

#define OFF  0

///////////////   CONFIG   /////////////////

#define NO_LOG          OFF   // 禁用Log

#define SWITCH_LOG      ON    // 切换打印

#define TIME_STAMP      OFF   // 时间戳

#define FILE_NAME       OFF   // 文件名

////////////////////////////////////////////

#if SWITCH_LOG

#if NO_LOG

#define NSLog(args...)

#else

#define NSLog(args...) ExtendNSLog(__FILE__,__LINE__,__PRETTY_FUNCTION__,args);

#endif

#endif

void ExtendNSLog(const char *file, int lineNumber, const char *functionName, NSString *format, ...);

//

//  YouXianMingLog.m

//

//  http://home.cnblogs.com/u/YouXianMing/

//  https://github.com/YouXianMing

//

//  Created by YouXianMing on 15/1/3.

//  Copyright (c) 2015年 YouXianMing. All rights reserved.

//

#import "YouXianMingLog.h"

#ifndef GCDExecOnce

#define GCDExecOnce(block) \

{ \

static dispatch_once_t predicate = ; \

dispatch_once(&predicate, block); \

}

#endif

#define DMDEBUG_DEFAULT_DATEFORMAT @"HH:mm:ss.SSS"

static NSDateFormatter* _DMLogDateFormatter = nil;

void ExtendNSLog(const char *file, int lineNumber, const char *functionName, NSString *format, ...)

{

    // 获取时间格式

    GCDExecOnce(^{

        _DMLogDateFormatter = [[NSDateFormatter alloc] init];

        [_DMLogDateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];

        [_DMLogDateFormatter setDateFormat:DMDEBUG_DEFAULT_DATEFORMAT];

    });

#if TIME_STAMP

    // 获取当前时间戳

    const char *nowCString = [[_DMLogDateFormatter stringFromDate:[NSDate date]] cStringUsingEncoding:NSUTF8StringEncoding];

    // 处理format

    va_list ap;

    va_start (ap, format);

    if (![format hasSuffix: @"\n"]) {

        format = [format stringByAppendingString: @"\n"];

    }

    NSString *body = [[NSString alloc] initWithFormat:format arguments:ap];

    va_end (ap);

#if FILE_NAME

    // 获取一些参数

    NSString *fileName = [[NSString stringWithUTF8String:file] lastPathComponent];

    // 打印

    fprintf(stderr, "%s %s:%d %s", nowCString, [fileName UTF8String], lineNumber, [body UTF8String]);

#else

    fprintf(stderr, "%s %s", nowCString, [body UTF8String]);

#endif

#else

    // 处理format

    va_list ap;

    va_start (ap, format);

    if (![format hasSuffix: @"\n"]) {

        format = [format stringByAppendingString: @"\n"];

    }

    NSString *body = [[NSString alloc] initWithFormat:format arguments:ap];

    va_end (ap);

#if FILE_NAME

    // 获取一些参数

    NSString *fileName = [[NSString stringWithUTF8String:file] lastPathComponent];

    // 打印

    fprintf(stderr, "%s:%d %s", [fileName UTF8String], lineNumber, [body UTF8String]);

#else

    fprintf(stderr, "%s", [body UTF8String]);

#endif

#endif

}

以下是配置的地方：