QString解包
使用QString的section函数
QString str = "123,,576";
cout str.section(",,",0,0);
cout str.section(",,",1,1);
cout str.section(",,",0,1);
QString str = "123,,576";
cout str.section(",,",0,0);
cout str.section(",,",1,1);
cout str.section(",,",0,1);