Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt Extensions
  • Unsolved
Collapse
Brand Logo
  1. Home
  2. International
  3. Chinese
  4. QSqlTableModel的&引用可以查看而不能更改数据库
Forum Updated to NodeBB v4.3 + New Features

QSqlTableModel的&引用可以查看而不能更改数据库

Scheduled Pinned Locked Moved Unsolved Chinese
1 Posts 1 Posters 406 Views
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • T Offline
    T Offline
    Thy3634
    wrote on last edited by
    #1
    //model
        QSqlTableModel model;
        //model->setQuery();
        model.setTable("tablename");
        model->select();
        Wnd wnd(&login, &model);
    

    像上面这样引用,在窗口wnd中可以连接,也可以看到数据,但是不能更改,而且submitAll()的时候会卡一下;
    而用下面的方法能解决,但是不知道为什么。

    //model
        QSqlTableModel *model = new QSqlTableModel(NULL,db);
        model->setTable("tablename");
        model->select();
        Wnd wnd(&login, model);
    
    1 Reply Last reply
    0

    • Login

    • Login or register to search.
    • First post
      Last post
    0
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Groups
    • Search
    • Get Qt Extensions
    • Unsolved