为java类起别名

<typeAliases>
<!-- 1、typeAlias:为某个java类型起别名
type:指定要起别名的类型全类名;默认别名就是类名小写;employee
alias:指定新的别名
-->
<!-- <typeAlias type="com.atguigu.mybatis.bean.Employee" alias="emp"/> -->//为单个的java类起别名

<!-- 2、package:为某个包下的所有类批量起别名
name:指定包名(为当前包以及下面所有的后代包的每一个类都起一个默认别名(类名小写),)
-->
<package name="com.atguigu.mybatis.bean"/>

<!-- 3、批量起别名的情况下,使用@Alias注解为某个类型指定新的别名 -->


</typeAliases>

@Alias("emp")
public class Employee {

private Integer id;
private String lastName;
private String email;
private String gender;


public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
@Override
public String toString() {
return "Employee [id=" + id + ", lastName=" + lastName + ", email="
+ email + ", gender=" + gender + "]";
}

}

原文地址:https://www.cnblogs.com/zhangzhiqin/p/8542770.html