摘要： 1.多对一（单向）关联映射（员工表-部门表）： 员工类：package com.xudong.po;public class Employee { private int id; private String name; private Department department; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { ... 阅读全文