通过检查 IntelliJ IDEA 的日志输出，我注意到对齐非常好(其中一个原因是类名是右对齐和修剪的)。
如何使用 log4J 执行此操作？你需要一个特殊的 appender 吗？
2011-01-08 00:48:53,938 [ 2537] INFO - ellij.vfs.persistent.FSRecords - Marking VFS as corrupted
2011-01-08 00:48:53,987 [ 2586] INFO - api.vfs.impl.local.FileWatcher - Native file watcher is operational.
2011-01-08 00:48:54,034 [ 2633] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/other.xml file is null
2011-01-08 00:48:54,035 [ 2634] INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/other.xml
2011-01-08 00:48:54,046 [ 2645] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/project.default.xml file is null
2011-01-08 00:48:54,047 [ 2646] INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/project.default.xml
2011-01-08 00:48:54,051 [ 2650] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/options.xml file is null
2011-01-08 00:48:54,051 [ 2650] INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/options.xml
2011-01-08 00:48:54,295 [ 2894] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/filetypes.xml file is null
2011-01-08 00:48:54,295 [ 2894] INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/filetypes.xml
2011-01-08 00:48:54,342 [ 2941] INFO - .history.utils.LocalHistoryLog - local history version mismatch (was: 0, expected: 5), rebuilding...
2011-01-08 00:48:54,342 [ 2941] INFO - .history.utils.LocalHistoryLog - FS has been rebuild, rebuilding local history...
最佳答案
您可以使用 PatternLayout 执行此操作.例如，您可以将记录器类别定义为:
%20.20c
这会导致字段始终恰好为 20 个字符宽，如果值小于 20 个字符则用空格向左填充，如果大于 20 个字符则将其截断。
您问题中日志的 PatternLayout 可能类似于:
%d [%7.7r] %6.6p - %c{30} - %m%n
关于java - log4j对齐，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/4763988/