qt读取excel文件

[{"title":"（ 15 个子文件 100KB ） qt读取excel文件","children":[{"title":"EXCEL","children":[{"title":"MyTest","children":[{"title":"ReadExcelClass.dll <span style='color:#111;'> 170.00KB </span>","children":null,"spread":false},{"title":"testReadExcelDll.exe <span style='color:#111;'> 46.00KB </span>","children":null,"spread":false},{"title":"bbb.xlsx <span style='color:#111;'> 10.40KB </span>","children":null,"spread":false},{"title":"ReadExcelClass.lib <span style='color:#111;'> 5.43KB </span>","children":null,"spread":false},{"title":"ReadExcelClass.exp <span style='color:#111;'> 2.80KB </span>","children":null,"spread":false}],"spread":true},{"title":"ReadExcelClass","children":[{"title":"ReadExcelClass.pro <span style='color:#111;'> 574B </span>","children":null,"spread":false},{"title":"readexcelclass_global.h <span style='color:#111;'> 294B </span>","children":null,"spread":false},{"title":"ReadExcelClass.h <span style='color:#111;'> 1.80KB </span>","children":null,"spread":false},{"title":"ReadExcelClass.cpp <span style='color:#111;'> 4.86KB </span>","children":null,"spread":false}],"spread":true},{"title":"testReadExcelDll","children":[{"title":"mainwindow.cpp <span style='color:#111;'> 2.87KB </span>","children":null,"spread":false},{"title":"testReadExcelDll.pro.user <span style='color:#111;'> 18.12KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 183B </span>","children":null,"spread":false},{"title":"ReadExcelClass.h <span style='color:#111;'> 1.80KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 560B </span>","children":null,"spread":false},{"title":"testReadExcelDll.pro <span style='color:#111;'> 573B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]