IOS lightweight group log tool Log4OC

OC Hierarchical log tool, which supports four log levels and two persistence schemes

Source code address: github.com/FinderTiwk/…

use

#import "Log4OC.h"

    //DEBUGLog (recommended for development and debugging)
    DEBUGLog(@" This is a DEBUG level log");
    DEBUGLog(@"FinderTiwk".@" This is a DEBUG level log with an author");
    
    //INFOLog(it is recommended to record key information)
    INFOLog(@" This is an INFO level log");
    INFOLog(@"FinderTiwk".@" This is an INFo-level log with an author");
    
    //WARNINGLog(it is recommended to record warning sensitive information)
    WARNINGLog(@" This is a WARNING log");
    WARNINGLog(@"FinderTiwk".@" This is a WARNING level log with an author");
    
    //ERRORLog(recommended for recording abnormal errors)
    ERRORLog(@" This is an ERROR level log");
    ERRORLog(@"FinderTiwk".@" This is an ERROR level log with an author"); -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- the Console Print -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- [🐞 DEBUG]2018- 11- 14 12:53:45: This is a DEBUG level log [🐞DEBUG]2018- 11- 14 12:53:45(FinderTiwk): This is a DEBUG level log with an author [🌴INFO]2018- 11- 14 12:53:45: This is an INFO level log [🌴INFO]2018- 11- 14 12:53:45(FinderTiwk): This is an info-level log with an author [⚠️WARNING]2018- 11- 14 12:53:45: This is a WARNING log [⚠️WARNING]2018- 11- 14 12:53:45(FinderTiwk): This is a WARNING level log with an author [🔴ERROR]2018- 11- 14 12:53:45: This is an ERROR level log [🔴ERROR]2018- 11- 14 12:53:45(FinderTiwk): This is an ERROR level log with an authorCopy the code

preferences

0x00 Log level

#ifdef __OPTIMIZE__
    // It is recommended to remove DEBUG logs when packaging
    setLogLevel(LogLevelINFO);
#endif

// Get the current log level
LogLevel level = currentLogLevel();

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0x01 Log Mode

• mode:Logging mode
  • 0: prints only to the console,DEFAULT
  • 1: Saves logs to Sqlite
  • 2: Saves logs to a local file
• clean:Specifies whether to automatically clear logs when the log mode is not 0
  • 0: does not automatically clear
  • Greater than 0: logs generated n days before the current date are automatically cleared
• both:Whether log persistence is printed to the console at the same time when log mode is not 0
  • YES: Output to both console and file (DEBUG)
  • “NO” : output only to files

extern void setLogMode(NSUInteger mode,NSUInteger clean, BOOL both);
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0x02 Log File Is Cut

If the log mode is set to 2 and local files are stored, set the log file size threshold. The unit is K and the default value is 1024K/1M. If a single.

Logs are saved in the sandbox, for example, 2018_XX_XX-1. log, 2018_XX_XX-2.log

extern void setLogMaxSize(NSUInteger threshold);
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Log filter

1. Filter by log level
2. Filter by log writer name
3. Filter by time

0x00 Console mode

Log level: You can observe logs with naked eyes using the printed log prefix or search keywords (DEBUG,INFO,WARNING,ERROR) using COMMAND+F in the console.

Author name: In the console COMMAND+F search for author name

Time: Console log output is in chronological order. You can view the timestamp in the log prefix yourself

0x01 In database mode

Database table structure, table name Logger

Log level:

SELECT * FROM `Logger` WHERE level = 2
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Author name:

SELECT * FROM `Logger` WHERE author = 'FinderTiwk'
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Time:

SELECT * FROM `Logger` WHERE time > 'the 2018-11-13 12:12:12'
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Multi-conditional filtering:

SELECT * FROM `Logger` WHERE author = 'FinderTiwk' AND level = 2 AND time > 'the 2018-11-13 12:12:12'
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0x02 Local File Mode

Use Console of the Mac system to open the 2018_xx_XX-1. log file and search by keyword

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