Cannot find class: com.mysql.jdbc.Driver
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mybatis-config.xml: StudentMapper:package com.ljh.mybatis.mapper;import java.util.ArrayList;import com.ljh.mybatis.pojo.Student;public interface StudentMapper { public ArrayList getallstudents();}StudentMapper.xml: select * from student where 1=1 Student:package com.ljh.mybatis.pojo;public class Student { private int id; private String stuid; private String password; private String name; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getStuid() { return stuid; } public void setStuid(String stuid) { this.stuid = stuid; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Student(int id, String stuid, String password, String name) { super(); this.id = id; this.stuid = stuid; this.password = password; this.name = name; } public Student() { } }Test:package com.ljh.mybatis.test;import java.io.IOException;import java.io.Reader;import java.util.ArrayList;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.ljh.mybatis.mapper.StudentMapper;import com.ljh.mybatis.pojo.Student;public class Test { public static void main(String[] args) { try { //1、加载配置文件 Reader reader=Resources.getResourceAsReader("mybatis-config.xml"); //2、得到sessionfactorybuilder SqlSessionFactoryBuilder sfb=new SqlSessionFactoryBuilder(); //3、得到sqlsessionfactory SqlSessionFactory factory=sfb.build(reader); //4、得到sqlsession SqlSession session=factory.openSession(); //5、得到Mapper映射器 StudentMapper mapper=session.getMapper(StudentMapper.class); ArrayList stu=mapper.getallstudents(); for(int i=0;i |
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先检查一下，项目里是否引入了，mysql的jar包。 |
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