QT中QFileDialog文件读写另存为操作

[{"title":"（ 15 个子文件 358KB ） QT中QFileDialog文件读写另存为操作","children":[{"title":"fileDialog","children":[{"title":"fileDialog-build-desktop","children":[{"title":"ui_filedialog.h <span style='color:#111;'> 2.19KB </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 6.03KB </span>","children":null,"spread":false},{"title":"release","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'> 6.11KB </span>","children":null,"spread":false},{"title":"Makefile <span style='color:#111;'> 6.24KB </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"fileDialog.exe <span style='color:#111;'> 842.23KB </span>","children":null,"spread":false},{"title":"moc_filedialog.o <span style='color:#111;'> 123.33KB </span>","children":null,"spread":false},{"title":"filedialog.o <span style='color:#111;'> 289.63KB </span>","children":null,"spread":false},{"title":"main.o <span style='color:#111;'> 112.71KB </span>","children":null,"spread":false},{"title":"moc_filedialog.cpp <span style='color:#111;'> 2.47KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"fileDialog","children":[{"title":"main.cpp <span style='color:#111;'> 189B </span>","children":null,"spread":false},{"title":"filedialog.cpp <span style='color:#111;'> 2.45KB </span>","children":null,"spread":false},{"title":"fileDialog.pro.user <span style='color:#111;'> 7.79KB </span>","children":null,"spread":false},{"title":"fileDialog.pro <span style='color:#111;'> 332B </span>","children":null,"spread":false},{"title":"filedialog.h <span style='color:#111;'> 385B </span>","children":null,"spread":false},{"title":"filedialog.ui <span style='color:#111;'> 1.36KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]