qt 实现数据库操作和显示

[{"title":"（ 8 个子文件 9KB ） qt 实现数据库操作和显示","children":[{"title":"StudentMangeSystem","children":[{"title":"StudentMangeSystem.pro <span style='color:#111;'> 451B </span>","children":null,"spread":false},{"title":"dbconnect.h <span style='color:#111;'> 428B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 314B </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 7.89KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"dbconnect.cpp <span style='color:#111;'> 2.05KB </span>","children":null,"spread":false},{"title":"dbconnect.ui <span style='color:#111;'> 2.75KB </span>","children":null,"spread":false},{"title":"StudentMangeSystem.pro.user <span style='color:#111;'> 23.31KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]