ADD file via upload

UserDaoTest.java

@@ -0,0 +1,61 @@
+package com.example.web;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+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 org.junit.jupiter.api.Test;
+ 
+public class UserDaoTest {
+ 
+    @Test
+    public void insert() throws IOException {
+        //用PrintWriter架设一个管道，到mybatis-config.xml文件
+        InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
+        SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
+        SqlSession sqlSession = sessionFactory.openSession();
+ 
+        sqlSession.insert("insert",new User1(1,"杨星","123"));
+        sqlSession.commit();
+    }
+ 
+    @Test
+    public void updateTest() throws IOException {
+        InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
+        SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
+        SqlSession sqlSession = sessionFactory.openSession();
+ 
+        sqlSession.update("updateUser",new User1(3,"小俊俊","123"));
+        sqlSession.commit();
+    }
+ 
+    @Test
+    public void deleteTest() throws IOException {
+        InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
+        SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
+        SqlSession sqlSession = sessionFactory.openSession();
+ 
+        sqlSession.delete("deleteUser",new User1(2));
+        sqlSession.commit();
+    }
+ 
+    @Test
+    public void seletTest() throws IOException {
+        InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
+        SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
+        SqlSession sqlSession = sessionFactory.openSession();
+ 
+        List<Object> userList = sqlSession.selectList("selectAll");
+        for (Object o : userList) {
+            System.out.println(o);
+        }
+ 
+        User1 user = sqlSession.selectOne("selectUserById", 1);
+        System.out.println(user);
+        sqlSession.commit();
+    }
+}