讲述QT编程的经典书籍，无需都说，英文第二版，带源码- Table of Contents| Index Copyright Series Editor s Note Foreword Preface Acknowledgments A Brief History of Qt Part I: Basic Qt Chapter 1. Getting Started Hello Qt Making Connections La

一个班级成绩管理系统，要求可录入、编辑、查询学生信息和学生成绩，可按成绩名次列出某门课的班级成绩表。-A class performance management system requirements can input, edit, query student information and student achievement, according to the finishing order of a class of classes are listed in the table r