From f15d3b1dfa9c573e3e170bd0f69bfba76fb8a273 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A9=AC=E5=AE=8F=E8=BE=BE?= <2657224306@qq.com>
Date: Mon, 1 Jan 2024 23:03:46 +0800
Subject: [PATCH] zuoye

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+# 复习
+
+### JdbcConfig
+
+```java
+package com.mdd.config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import org.springframework.context.annotation.Bean;
+
+import javax.sql.DataSource;
+
+public class JdbcConfig {
+    @Bean
+    public DataSource dataSource(){
+        DruidDataSource ds = new DruidDataSource();
+        ds.setDriverClassName("com.mysql.cj.jdbc.Driver");
+        ds.setUrl("jdbc:mysql:///masql");
+        ds.setUsername("root");
+        ds.setPassword("123456");
+        return ds;
+    }
+}
+
+```
+
+### MybatisConfig
+
+```java
+package com.mdd.config;
+
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.mybatis.spring.mapper.MapperScannerConfigurer;
+import org.springframework.context.annotation.Bean;
+
+import javax.sql.DataSource;
+
+public class MybatisConfig {
+    @Bean
+    public SqlSessionFactoryBean sessionFactoryBean(DataSource dataSource){
+        SqlSessionFactoryBean ssfy = new SqlSessionFactoryBean();
+        ssfy.setTypeAliasesPackage("com.mdd.domain");
+        ssfy.setDataSource(dataSource);
+        return ssfy;
+    }
+    @Bean
+    public MapperScannerConfigurer mapperScannerConfigurer(){
+        MapperScannerConfigurer mc = new MapperScannerConfigurer();
+        mc.setBasePackage("com.mdd.mapper");
+        return mc;
+    }
+}
+
+```
+
+### SpringConfig
+
+```java
+package com.mdd.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+
+@Configuration
+@ComponentScan("com.mdd")
+@Import({JdbcConfig.class,MybatisConfig.class})
+public class SpringConfig {
+
+}
+
+```
+
+### User
+
+```java
+package com.mdd.domain;
+
+public class User {
+  private Integer  id;
+  private String  name;
+  private String  sex;
+  private Integer  age;
+
+    public User() {
+    }
+
+    public User(Integer id, String name, String sex, Integer age) {
+        this.id = id;
+        this.name = name;
+        this.sex = sex;
+        this.age = age;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public void setSex(String sex) {
+        this.sex = sex;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return "User{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", sex='" + sex + '\'' +
+                ", age=" + age +
+                '}';
+    }
+}
+
+```
+
+### UserMapper
+
+```java
+package com.mdd.mapper;
+
+import com.mdd.domain.User;
+import org.apache.ibatis.annotations.Delete;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
+
+import java.util.List;
+
+public interface UserMapper {
+    @Select("select * from tb_ures")
+   List<User> findAll();
+
+    @Select("select * from tb_ures where id=#{id}")
+    User findByid(int id);
+
+    @Delete("delete from tb_ures where id=#{id}")
+    void deleteByid(int id);
+
+    @Update("Updata tb_ures set name=#{name},sex=#{sex},age=#{age} where id=#{id}")
+    void updetaByid(User user);
+
+    @Insert("insert into tb_ures(name,sex,age) values(#{name},#{sex},#{age})")
+    void insertByid(User user);
+}
+
+```
+
+### App 测试类
+
+```java
+import com.mdd.config.SpringConfig;
+import com.mdd.domain.User;
+import com.mdd.mapper.UserMapper;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import java.util.List;
+
+public class App {
+    public static void main(String[] args) {
+       ApplicationContext ctx=new AnnotationConfigApplicationContext(SpringConfig.class);
+        UserMapper bean = ctx.getBean(UserMapper.class);
+        List<User> all = bean.findAll();
+        System.out.println(all);
+    }
+}
+
+```
+
+### 架包
+
+```xml
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.mdd</groupId>
+    <artifactId>spring_10_review</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <!--        1.spring-context spring框架的基础包-->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>5.2.25.RELEASE</version>
+        </dependency>
+        <!--        2.spring-jdbc -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+            <version>5.2.25.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>5.2.25.RELEASE</version>
+        </dependency>
+        <!--        4.mybatis-->
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis</artifactId>
+            <version>3.5.13</version>
+        </dependency>
+        <!--        4.mybatis整合spring-->
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis-spring</artifactId>
+            <version>2.0.5</version>
+        </dependency>
+        <!--mysql驱动-->
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <version>8.1.0</version>
+        </dependency>
+        <!--junit测试框架的坐标-->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
+        </dependency>
+<!--    阿里巴巴，drui 数据源连接池对应的坐标-->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>1.1.23</version>
+        </dependency>
+
+    </dependencies>
+
+</project>
+```
-- 
Gitee