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请问各位大佬为啥会出现图片中的报错
这是测试类的代码
- import java.io.IOException;
- import java.io.Reader;
- import org.apache.ibatis.io.Resources;
- import org.apache.ibatis.session.SqlSession;
- import org.apache.ibatis.session.SqlSessionFactory;
- import org.apache.ibatis.session.SqlSessionFactoryBuilder;
- import com.oracle.po.Student;
- public class Test {
- public static void main(String[] age) {
- Student s=new Student();
- s.setStudent_age(20);
- s.setStudent_email("123@qq.com");
- s.setStudent_id(123456);
- s.setStudent_name("张三");
- try {
- //将主配置文件的内容读到一个 io。Reader中
- Reader reader= Resources.getResourceAsReader("configuration.xml");
- //使用mybatis的一个核心接口 SqlSessionFactory是SqlSession的工厂,生产SqlSession
- SqlSessionFactory factory=new SqlSessionFactoryBuilder().build(reader);
- //创建SqlSession对象 使用mybatis的SqlSession核心接口
- SqlSession sqlsession= factory.openSession();
- //调用sqlsession的insert方法执行SQL语句
- sqlsession.insert("Student.insert",s);
- sqlsession.commit();
- } catch (IOException es) {
- // TODO Auto-generated catch block
- es.printStackTrace();
- }
-
- }
- }
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这是学生类的- package com.oracle.po;
- public class Student {
- private int student_id;
- private String student_name;
- private String student_email;
- private int student_age;
- public int getStudent_id() {
- return student_id;
- }
- public void setStudent_id(int student_id) {
- this.student_id = student_id;
- }
- public String getStudent_name() {
- return student_name;
- }
- public void setStudent_name(String student_name) {
- this.student_name = student_name;
- }
- public String getStudent_email() {
- return student_email;
- }
- public void setStudent_email(String student_email) {
- this.student_email = student_email;
- }
- public int getStudent_age() {
- return student_age;
- }
- public void setStudent_age(int student_age) {
- this.student_age = student_age;
- }
-
- }
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这是映射文件的
- <?xml version="1.0" encoding="UTF-8" ?>
- <!DOCTYPE mapper
- PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
- "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
- <mapper namespace="Student">
- <insert id="insert1" parameterType="com.oracle.po.Student">
- insert into student(student_id,student_name,student_email,student_age)
- values(#{student_id},#{student_name},#{student_email},#{student_age})
- </insert>
-
-
- </mapper>
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