From 1f710543bc270d41a96a3e71f3475df532252b5b Mon Sep 17 00:00:00 2001 From: zyx <1029606625@qq.com> Date: Fri, 19 May 2023 10:57:01 +0800 Subject: [PATCH] 5/19 10:56 --- .idea/compiler.xml | 1 + .idea/encodings.xml | 2 + .idea/misc.xml | 1 + mybatis519/pom.xml | 51 +++++++++ .../main/java/cn/czyx007/bean/Computers.java | 51 +++++++++ .../cn/czyx007/mapper/ComputersMapper.java | 46 ++++++++ .../java/cn/czyx007/utils/SqlSessionUtil.java | 32 ++++++ .../cn/czyx007/mapper/ComputersMapper.xml | 101 ++++++++++++++++++ mybatis519/src/main/resources/jdbc.properties | 4 + mybatis519/src/main/resources/log4j.xml | 21 ++++ .../src/main/resources/mybatis-config.xml | 50 +++++++++ mybatis519/src/test/java/TestComputers.java | 43 ++++++++ mybatis519/src/test/java/TestWife.java | 15 +++ 13 files changed, 418 insertions(+) create mode 100644 mybatis519/pom.xml create mode 100644 mybatis519/src/main/java/cn/czyx007/bean/Computers.java create mode 100644 mybatis519/src/main/java/cn/czyx007/mapper/ComputersMapper.java create mode 100644 mybatis519/src/main/java/cn/czyx007/utils/SqlSessionUtil.java create mode 100644 mybatis519/src/main/resources/cn/czyx007/mapper/ComputersMapper.xml create mode 100644 mybatis519/src/main/resources/jdbc.properties create mode 100644 mybatis519/src/main/resources/log4j.xml create mode 100644 mybatis519/src/main/resources/mybatis-config.xml create mode 100644 mybatis519/src/test/java/TestComputers.java create mode 100644 mybatis519/src/test/java/TestWife.java diff --git a/.idea/compiler.xml b/.idea/compiler.xml index d9d6f1e..2c035a1 100644 --- a/.idea/compiler.xml +++ b/.idea/compiler.xml @@ -11,6 +11,7 @@ + diff --git a/.idea/encodings.xml b/.idea/encodings.xml index 4293575..b2c2558 100644 --- a/.idea/encodings.xml +++ b/.idea/encodings.xml @@ -9,5 +9,7 @@ + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml index e9735ca..fe581c9 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -12,6 +12,7 @@ diff --git a/mybatis519/pom.xml b/mybatis519/pom.xml new file mode 100644 index 0000000..cf3b154 --- /dev/null +++ b/mybatis519/pom.xml @@ -0,0 +1,51 @@ + + + 4.0.0 + + cn.czyx007 + mybatis519 + 1.0-SNAPSHOT + + + 11 + 11 + UTF-8 + + + + + mysql + mysql-connector-java + 8.0.31 + runtime + + + org.projectlombok + lombok + 1.18.20 + + + org.mybatis + mybatis + 3.5.10 + + + junit + junit + 4.13.2 + test + + + log4j + log4j + 1.2.17 + + + com.github.pagehelper + pagehelper + 5.2.0 + + + \ No newline at end of file diff --git a/mybatis519/src/main/java/cn/czyx007/bean/Computers.java b/mybatis519/src/main/java/cn/czyx007/bean/Computers.java new file mode 100644 index 0000000..e95bc9c --- /dev/null +++ b/mybatis519/src/main/java/cn/czyx007/bean/Computers.java @@ -0,0 +1,51 @@ +package cn.czyx007.bean; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.io.Serializable; + +/** + * (Computers)实体类 + * + * @author 张宇轩 + * @since 2023-05-18 14:50:06 + */ +@Data +@NoArgsConstructor +@AllArgsConstructor +public class Computers implements Serializable { + private static final long serialVersionUID = 943332959360147693L; + /** + * 主键 + */ + private Long id; + /** + * 名牌 + */ + private String brand; + /** + * 价格 + */ + private Float price; + /** + * 内存 + */ + private Float runmem; + /** + * cpu类型 + */ + private String cpu; + /** + * 显卡 + */ + private Float xianka; + /** + * 1 显示 0隐藏 + */ + private String status; + + private Float startPrice; + private Float endPrice; +} diff --git a/mybatis519/src/main/java/cn/czyx007/mapper/ComputersMapper.java b/mybatis519/src/main/java/cn/czyx007/mapper/ComputersMapper.java new file mode 100644 index 0000000..10bb7e8 --- /dev/null +++ b/mybatis519/src/main/java/cn/czyx007/mapper/ComputersMapper.java @@ -0,0 +1,46 @@ +package cn.czyx007.mapper; + +import cn.czyx007.bean.Computers; +import org.apache.ibatis.annotations.Select; + +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2023/5/18 - 14:55 + */ +public interface ComputersMapper { + List getComputers(); + + @Select("") + List queryByConditionIf(Computers computers); + + int updateByConditionSet(Computers computers); + List queryByConditionChoose(Computers computers); + List queryByConditionTrim(Computers computers); + int updateByConditionTrim(Computers computers); + + List queryByForEach(long[] ids); +} \ No newline at end of file diff --git a/mybatis519/src/main/java/cn/czyx007/utils/SqlSessionUtil.java b/mybatis519/src/main/java/cn/czyx007/utils/SqlSessionUtil.java new file mode 100644 index 0000000..fdf0ccf --- /dev/null +++ b/mybatis519/src/main/java/cn/czyx007/utils/SqlSessionUtil.java @@ -0,0 +1,32 @@ +package cn.czyx007.utils; + +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 java.io.IOException; +import java.io.InputStream; + +/** + * @author : 张宇轩 + * @createTime : 2023/5/16 - 14:08 + */ +public class SqlSessionUtil { + public static SqlSession getSqlSession(){ + SqlSession sqlSession = null; + InputStream is; + try { + //1.获取核心配置文件的输入流 + is = Resources.getResourceAsStream("mybatis-config.xml"); + //2.获取SqlSessionFactoryBuilder对象 + SqlSessionFactoryBuilder sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder(); + //3.获取SqlSessionFactory对象 + SqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(is); + sqlSession = sqlSessionFactory.openSession(true); + } catch (IOException e) { + e.printStackTrace(); + } + return sqlSession; + } +} diff --git a/mybatis519/src/main/resources/cn/czyx007/mapper/ComputersMapper.xml b/mybatis519/src/main/resources/cn/czyx007/mapper/ComputersMapper.xml new file mode 100644 index 0000000..57bcfb5 --- /dev/null +++ b/mybatis519/src/main/resources/cn/czyx007/mapper/ComputersMapper.xml @@ -0,0 +1,101 @@ + + + + + + + update person_info.computers + + + price = #{price}, + + + xianka = #{xianka} + + + where id = #{id} + + + update person_info.computers + + + price = #{price}, + + + xianka = #{xianka} + + + where id = #{id} + + + + id,brand,price,cpu,xianka + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybatis519/src/main/resources/jdbc.properties b/mybatis519/src/main/resources/jdbc.properties new file mode 100644 index 0000000..0058fcd --- /dev/null +++ b/mybatis519/src/main/resources/jdbc.properties @@ -0,0 +1,4 @@ +jdbc.driver=com.mysql.cj.jdbc.Driver +jdbc.url=jdbc:mysql://localhost:3306/person_info?serverTimezone=Asia/Shanghai +jdbc.username=root +jdbc.password=zyx007 \ No newline at end of file diff --git a/mybatis519/src/main/resources/log4j.xml b/mybatis519/src/main/resources/log4j.xml new file mode 100644 index 0000000..b19fad6 --- /dev/null +++ b/mybatis519/src/main/resources/log4j.xml @@ -0,0 +1,21 @@ + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybatis519/src/main/resources/mybatis-config.xml b/mybatis519/src/main/resources/mybatis-config.xml new file mode 100644 index 0000000..099aee1 --- /dev/null +++ b/mybatis519/src/main/resources/mybatis-config.xml @@ -0,0 +1,50 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/mybatis519/src/test/java/TestComputers.java b/mybatis519/src/test/java/TestComputers.java new file mode 100644 index 0000000..39addcf --- /dev/null +++ b/mybatis519/src/test/java/TestComputers.java @@ -0,0 +1,43 @@ +import cn.czyx007.bean.Brand; +import cn.czyx007.bean.Computers; +import cn.czyx007.mapper.BrandMapper; +import cn.czyx007.mapper.ComputersMapper; +import cn.czyx007.utils.SqlSessionUtil; +import com.github.pagehelper.PageInfo; +import org.junit.Test; + +import java.util.List; + +/** + * @author : 张宇轩 + * @createTime : 2023/5/19 - 8:53 + */ +public class TestComputers { + @Test + public void test1(){ + ComputersMapper mapper = SqlSessionUtil.getSqlSession().getMapper(ComputersMapper.class); + mapper.queryByForEach(new long[]{1,2}).forEach(System.out::println); + } + + @Test + public void test2(){ + int pageNum=1; + int pageSize=3; + com.github.pagehelper.PageHelper.startPage(pageNum, pageSize); + BrandMapper brandMapper = SqlSessionUtil.getSqlSession().getMapper(BrandMapper.class); + List brandList = brandMapper.getBrandAll(); + PageInfo pageInfo = new PageInfo<>(brandList); + System.out.println("总页数： " + pageInfo.getPages()); + System.out.println("总条数： " + pageInfo.getTotal()); + System.out.println("分页数据： " + pageInfo.getList()); + } + + @Test + public void testQueryByConditionIf(){ + ComputersMapper mapper = SqlSessionUtil.getSqlSession().getMapper(ComputersMapper.class); + Computers computers = new Computers(); + computers.setBrand("联想"); + computers.setStartPrice(5000F); + mapper.queryByConditionIf(computers).forEach(System.out::println); + } +} diff --git a/mybatis519/src/test/java/TestWife.java b/mybatis519/src/test/java/TestWife.java new file mode 100644 index 0000000..0f076b4 --- /dev/null +++ b/mybatis519/src/test/java/TestWife.java @@ -0,0 +1,15 @@ +import cn.czyx007.mapper.WifeMapper; +import cn.czyx007.utils.SqlSessionUtil; +import org.junit.Test; + +/** + * @author : 张宇轩 + * @createTime : 2023/5/19 - 10:34 + */ +public class TestWife { + @Test + public void test1(){ + WifeMapper mapper = SqlSessionUtil.getSqlSession().getMapper(WifeMapper.class); + mapper.getWifeAll().forEach(System.out::println); + } +}