55 lines
1012 B
Markdown
55 lines
1012 B
Markdown
# Nut
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## Advanced, Powerful and easy to use ORM for Qt5
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## Features:
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- Easy to use
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- Automatically create and update database
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- IDE auto complete support
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- Table join detect
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## Sample Codes
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### Read data from database:
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```cpp
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autoq = FROM(db.posts())
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WHERE(Post::id() == %1)
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BIND(postId);
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auto posts = q->toList();
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// now posts is a QList<Post*> contain all posts in
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// database that has id equal to postId variable
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```
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### Adding to database:
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```cpp
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Post*newPost = new Post;
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newPost->setTitle("post title");
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db.posts()->append(newPost);
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for(int i = 0 ; i < 3; i++){
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Comment *comment = new Comment;
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comment->setMessage("comment #" + QString::number(i));
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newPost->comments()->append(comment);
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}
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db.saveChanges();
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```
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### Modify database data:
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```cpp
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auto q = FROM(db.posts())
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WHERE(Post::id() == %1)
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BIND(postId);
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Post *post = q->first();
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if(post) {
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post->setTitle("new name");
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db.saveChanges();
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} else {
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qWarning("No post found!");
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}
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``` |