qt实现txt日志记录功能

[{"title":"（ 26 个子文件 731KB ） qt实现txt日志记录功能","children":[{"title":"LogTest","children":[{"title":"dialog.h <span style='color:#111;'> 365B </span>","children":null,"spread":false},{"title":"Singleton.h <span style='color:#111;'> 3.04KB </span>","children":null,"spread":false},{"title":"LogHandler.cpp <span style='color:#111;'> 1.04KB </span>","children":null,"spread":false},{"title":"LogHandler.h <span style='color:#111;'> 335B </span>","children":null,"spread":false},{"title":"Log.h <span style='color:#111;'> 1.89KB </span>","children":null,"spread":false},{"title":"LogTest.pro.user <span style='color:#111;'> 18.19KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"build-debug","children":[{"title":"log","children":[{"title":"log.txt <span style='color:#111;'> 408B </span>","children":null,"spread":false}],"spread":true},{"title":"release","children":null,"spread":false},{"title":"debug","children":[{"title":"moc_Log.cpp <span style='color:#111;'> 3.45KB </span>","children":null,"spread":false},{"title":"main.o <span style='color:#111;'> 317.23KB </span>","children":null,"spread":false},{"title":"log","children":[{"title":"log.txt <span style='color:#111;'> 405B </span>","children":null,"spread":false}],"spread":false},{"title":"Log.o <span style='color:#111;'> 201.14KB </span>","children":null,"spread":false},{"title":"dialog.o <span style='color:#111;'> 360.49KB </span>","children":null,"spread":false},{"title":"moc_dialog.o <span style='color:#111;'> 176.71KB </span>","children":null,"spread":false},{"title":"LogHandler.o <span style='color:#111;'> 160.84KB </span>","children":null,"spread":false},{"title":"moc_Log.o <span style='color:#111;'> 195.35KB </span>","children":null,"spread":false},{"title":"LogTest.exe <span style='color:#111;'> 1.31MB </span>","children":null,"spread":false},{"title":"moc_dialog.cpp <span style='color:#111;'> 3.48KB </span>","children":null,"spread":false}],"spread":true},{"title":"Makefile <span style='color:#111;'> 21.38KB </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 55.54KB </span>","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'> 55.64KB </span>","children":null,"spread":false},{"title":"ui_dialog.h <span style='color:#111;'> 1.83KB </span>","children":null,"spread":false}],"spread":true},{"title":"LogTest.pro <span style='color:#111;'> 517B </span>","children":null,"spread":false},{"title":"dialog.ui <span style='color:#111;'> 1.00KB </span>","children":null,"spread":false},{"title":"dialog.cpp <span style='color:#111;'> 1.08KB </span>","children":null,"spread":false},{"title":"Log.cpp <span style='color:#111;'> 6.63KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]