mybatis change 4

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

@@ -0,0 +1,10 @@
+package com.mapper;
+
+import com.pojo.entity.UserEntity;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+public interface UserMapper {
+    List<UserEntity> findUserListByCondition(UserEntity userEntity);
+}

mybatis_train/src/main/java/com/pojo/entity/UserEntity.java

@@ -0,0 +1,11 @@
+package com.pojo.entity;
+
+import lombok.Data;
+
+@Data
+public class UserEntity {
+    private Integer id;
+    private String name;
+    private Integer age;
+    private String address;
+}

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

@@ -0,0 +1,10 @@
+<?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="com.mapper.UserMapper">
+<select id="findUserListByCondition" resultType="com.pojo.entity.UserEntity"
+        parameterType="com.pojo.entity.UserEntity" >
+    select * from user;
+</select>
+</mapper>

mybatis_train/src/main/resources/mybatisConfig.xml

@@ -7,6 +7,7 @@
     <!--    Mapper文件注册-->
     <typeAliases>
         <typeAlias type="com.pojo.entity.AccountEntity" alias="account"></typeAlias>
+        <typeAlias type="com.pojo.entity.UserEntity" alias="user"></typeAlias>
     </typeAliases>
     <!--    核心配置信息-->
     <environments default="xmq_config">
@@ -25,9 +26,11 @@
     </environments>
 
     <mappers>
-        <mapper resource="mapper/AccountMapper.xml"/>
+<!--        <mapper resource="mapper/UserMapper.xml"/>-->
 <!--        使用class方式引入-->
-<!--        <mapper class="com.mapper.AccountMapper"></mapper>-->
+        <mapper class="com.mapper.AccountMapper"></mapper>
+        <mapper class="com.mapper.UserMapper"></mapper>
+<!--        <package name="com.mapper"/>-->
     </mappers>
 
 </configuration>

mybatis_train/src/test/java/Test3.java

@@ -0,0 +1,33 @@
+import com.mapper.UserMapper;
+import com.pojo.entity.UserEntity;
+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.Test;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+/**
+ * 动态sql查询
+ */
+
+public class Test3 {
+    @Test
+    public void testCondition() 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);
+        UserEntity userEntity = new UserEntity();
+        userEntity.setId(1);
+        userEntity.setName("name");
+        userEntity.setAge(13);
+        userEntity.setAddress("address");
+        List<UserEntity> userListByCondition = mapper.findUserListByCondition(userEntity);
+        sqlSession.close();
+
+    }
+}