mybatis project change5

mybatis_train/pom.xml

@@ -37,6 +37,26 @@
             <artifactId>lombok</artifactId>
             <version>1.18.24</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>2.11.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>2.11.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-web</artifactId>
+            <version>2.11.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>2.11.1</version>
+        </dependency>
     </dependencies>
 
 </project>

mybatis_train/src/main/java/com/mapper/UserMapper.java

@@ -7,4 +7,6 @@ import java.util.List;
 
 public interface UserMapper {
     List<UserEntity> findUserListByCondition(UserEntity userEntity);
+    List<UserEntity> findUserForEach(List<Integer> users);
+    void deleteOne(Integer id);
 }

mybatis_train/src/main/resources/com/mapper/UserMapper.xml

@@ -3,8 +3,33 @@
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.mapper.UserMapper">
-<select id="findUserListByCondition" resultType="com.pojo.entity.UserEntity"
-        parameterType="com.pojo.entity.UserEntity" >
-    select * from user;
+<!--    sql语句抽取-->
+    <sql id="all">select * from user</sql>
+<select id="findUserListByCondition" resultType="user"
+        parameterType="user" >
+    <include refid="all"></include>
+    <where>
+        <if test="id !=null">
+            and id = #{id}
+        </if>
+        <if test="name !=null">
+            and name = #{name}
+        </if>
+        <if test="age !=null">
+            and age = #{age}
+        </if>
+    </where>
 </select>
+<select id="findUserForEach" parameterType="list" resultType="user">
+    <include refid="all"></include>
+    <where>
+    <foreach collection="list" open="id in(" close=")" item="item" separator=",">
+        #{item}
+    </foreach>
+</where>
+</select>
+<delete id="deleteOne" parameterType="integer">
+    delete from user where id=#{id}
+</delete>
+
 </mapper>

mybatis_train/src/main/resources/log4j2.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %l %msg%n"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Root level="error">
+            <AppenderRef ref="Console"/>
+        </Root>
+        <Logger name="com.mapper" level="DEBUG" additivity="false">
+            <AppenderRef ref="Console"/>
+        </Logger>
+    </Loggers>
+</Configuration>

mybatis_train/src/main/resources/mybatisConfig.xml

@@ -4,6 +4,9 @@
 <configuration>
     <!--数据源的配置信息会单独放在jdbc.properties文件中，这里加载到mybatis配置文件来，使用的时候用EL表达式${}-->
     <properties resource="jdbc.properties"></properties>
+    <settings>
+        <setting name="logImpl" value="LOG4J2"/>
+    </settings>
     <!--    Mapper文件注册-->
     <typeAliases>
         <typeAlias type="com.pojo.entity.AccountEntity" alias="account"></typeAlias>

mybatis_train/src/test/java/Test3.java

@@ -4,10 +4,13 @@ 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.After;
+import org.junit.Before;
 import org.junit.Test;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -15,19 +18,38 @@ import java.util.List;
  */
 
 public class Test3 {
-    @Test
-    public void testCondition() throws IOException {
+    UserMapper userMapper;
+    SqlSession sqlSession;
+    @Before
+    public void before() throws IOException {
         InputStream resourceAsStream = Resources.getResourceAsStream("mybatisConfig.xml");
         SqlSessionFactory build = new SqlSessionFactoryBuilder().build(resourceAsStream);
-        SqlSession sqlSession = build.openSession(true);
-        UserMapper mapper = sqlSession.getMapper(UserMapper.class);
+        sqlSession = build.openSession(true);
+        userMapper = sqlSession.getMapper(UserMapper.class);
+    }
+    @Test
+    public void testCondition()  {
         UserEntity userEntity = new UserEntity();
-        userEntity.setId(1);
+//        userEntity.setId(1);
         userEntity.setName("name");
         userEntity.setAge(13);
         userEntity.setAddress("address");
-        List<UserEntity> userListByCondition = mapper.findUserListByCondition(userEntity);
+        List<UserEntity> userListByCondition = userMapper.findUserListByCondition(userEntity);
+    }
+    @Test
+    public void testForEach() {
+        ArrayList<Integer> integers = new ArrayList<>();
+//        integers.add(1);
+//        integers.add(2);
+        List<UserEntity> userForEach = userMapper.findUserForEach(integers);
+    }
+    @Test
+    public void delete() {
+        userMapper.deleteOne(2);
+    }
+    @After
+    public void after() {
         sqlSession.close();
-
     }
+
 }