Mybatis中helloworld例子

1.helloworld例子：

做一个普通的java project:
例 1.1
package com;
public class Register  {
    public String toString() {  
        return "id:"+id+"\nname:"+name+"\nage:"+age;  
    }  
    private Integer id;
    private String name;
    private Integer age;
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name ;
    }
    public Integer getAge() {
        return age;
    }
    public void setAge(Integer age) {
        this.age = age;
    }
}
package com.mapper;
import com.Register;
public interface RegisterMapper {
    Register selectByPrimaryKey(Integer id);
}
更多内容请见原文，原文转载自：https://blog.csdn.net/qq_44639795/article/details/100056101