From 9cfc9a1ce8ccc1b0bf4b958b2fe10fd3b64c2a37 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=8D=A2=E6=AF=94=E4=BC=A6?= <1531071679@qq.com> Date: Thu, 19 Dec 2024 16:04:07 +0800 Subject: [PATCH 1/2] test --- .../.idea/.gitignore" | 8 + ...2\345\212\250\350\243\205\351\205\215.iml" | 14 + .../.idea/misc.xml" | 6 + .../.idea/modules.xml" | 8 + .../.idea/vcs.xml" | 6 + .../jdbc.properties" | 0 ...06\347\232\204\346\241\206\346\236\266.md" | 239 ++++++++++++++++++ .../spring04/.idea/.gitignore" | 8 + .../spring04/.idea/compiler.xml" | 13 + .../spring04/.idea/jarRepositories.xml" | 20 ++ .../spring04/.idea/misc.xml" | 12 + .../spring04/pom.xml" | 44 ++++ .../kfc/controller/TeacherController.java" | 27 ++ .../main/java/com/kfc/dao/TeacherDao.java" | 18 ++ .../java/com/kfc/dao/TeacherDaoImpl.java" | 56 ++++ .../main/java/com/kfc/entity/Teacher.java" | 13 + .../java/com/kfc/service/TeacherService.java" | 14 + .../com/kfc/service/TeacherServiceImpl.java" | 30 +++ .../spring04/src/main/resources/bean.xml" | 23 ++ .../test/java/com/kfc/test/TestTeacher.java" | 26 ++ .../spring04/target/classes/bean.xml" | 23 ++ .../kfc/controller/TeacherController.class" | Bin 0 -> 2343 bytes .../classes/com/kfc/dao/TeacherDao.class" | Bin 0 -> 202 bytes .../classes/com/kfc/dao/TeacherDaoImpl.class" | Bin 0 -> 2681 bytes .../classes/com/kfc/entity/Teacher.class" | Bin 0 -> 2024 bytes .../com/kfc/service/TeacherService.class" | Bin 0 -> 229 bytes .../com/kfc/service/TeacherServiceImpl.class" | Bin 0 -> 2247 bytes .../com/kfc/test/TestTeacher.class" | Bin 0 -> 1082 bytes 28 files changed, 608 insertions(+) create mode 100644 "\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/.gitignore" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215.iml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/misc.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/modules.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/vcs.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/jdbc.properties" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/03 Spring\345\256\266\346\227\217\357\274\214\344\270\200\345\240\206\347\232\204\346\241\206\346\236\266.md" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/.gitignore" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/compiler.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/jarRepositories.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/misc.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/pom.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/controller/TeacherController.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDao.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDaoImpl.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/entity/Teacher.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherService.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherServiceImpl.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/resources/bean.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/test/java/com/kfc/test/TestTeacher.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/bean.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/controller/TeacherController.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/dao/TeacherDao.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/dao/TeacherDaoImpl.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/entity/Teacher.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/service/TeacherService.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/service/TeacherServiceImpl.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/test-classes/com/kfc/test/TestTeacher.class" diff --git "a/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/.gitignore" "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/.gitignore" new file mode 100644 index 0000000..35410ca --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/.gitignore" @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git "a/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215.iml" "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215.iml" new file mode 100644 index 0000000..9fcbf08 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215.iml" @@ -0,0 +1,14 @@ + + + + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/misc.xml" "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/misc.xml" new file mode 100644 index 0000000..b0af9cd --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/misc.xml" @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/modules.xml" "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/modules.xml" new file mode 100644 index 0000000..63eca9a --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/modules.xml" @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/vcs.xml" "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/vcs.xml" new file mode 100644 index 0000000..b2bdec2 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/.idea/vcs.xml" @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/jdbc.properties" "b/\345\215\242\346\257\224\344\274\246/20241217\346\225\260\346\215\256\346\272\220\350\207\252\345\212\250\350\243\205\351\205\215/jdbc.properties" new file mode 100644 index 0000000..e69de29 diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/03 Spring\345\256\266\346\227\217\357\274\214\344\270\200\345\240\206\347\232\204\346\241\206\346\236\266.md" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/03 Spring\345\256\266\346\227\217\357\274\214\344\270\200\345\240\206\347\232\204\346\241\206\346\236\266.md" new file mode 100644 index 0000000..34fa36c --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/03 Spring\345\256\266\346\227\217\357\274\214\344\270\200\345\240\206\347\232\204\346\241\206\346\236\266.md" @@ -0,0 +1,239 @@ +## 一、初体验 +1. 官网：https://spring.io/ +2. Spring要和，JDK版本对应得上，否则会报错信息类似：Failed to read candidate component class，也就是注解扫描不了，这是版本兼容问题引起的，根据Spring官网Spring Framework与JDK版本对应表： + +| Spring Framework版本 | JDK版本 | +| -------------------- | --------- | +| 6.0.x | JDK 17-21 | +| 5.3.x | JDK 8-19 | +| 5.2.x | JDK 8-15 | +| 5.1.x | JDK 8-12 | +| 5.0.x | JDK 8-10 | +| 4.3.x | JDK 6-8 | +3. Spring Framework的特点 + 1. 控制反转：IoC，反转资源获取方向；把自己创建的资源、向环境索取资源变为环境将资源准备好，我们享受资源注入。 + 2. 面向切面编程：AOP，在不修改源代码的基础上增强代码功能。 + 3. 容器：Spring IoC是一个容器，因为它包含并管理组件对象的生命周期；组件享受到了容器化的管理，替程序员屏蔽了组件创建过程中的大量细节，极大降低了使用门槛，大幅度提高了开发效率。 + 4. 一站式：在IOC和AOP的基础上可以整合各种企业应用的开源框架和优秀的第三方库，而且在Spring旗下的项目已经覆盖了广泛领域，很多方面的功能性需求可以在Spring Framework 的基础上全部使用Spring来实现。 +4. 入门案例 + 1. 环境要求： + - JDK : 1.8 + - Spring : 5.3.39 + 2. 构建工程项目 + 3. pom.xml中引入相关依赖，并 刷新maven +-------------------------- +```xml + + + org.springframework + spring-context + 5.3.39 + + + junit + junit + 4.13.2 + test + + +``` +------------------------- + 4. 创建软件包 + ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215222659.png) + 5. 创建用于测试的实体类Teacher + ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215222947.png) + 6. **创建spring配置文件：resources目录下创建bean.xml** +![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215223246.png) +![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016646.png) +![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016805.png) +![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215223436.png) + 7. **在bean.xml中用标签完成对象创建** +------------------- +```xml + + + + + +``` +---------------------------- + 8. **创建测试类com.md.test.TestTeacher进行测试** +------------ +```java +public class TestTeacher { + @Test + public void t1() { + // 1.加载spring配置文件，得到IOC容器context + ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml"); + // 2.从IOC容器获取spring创建好的对象 + Teacher teacher = (Teacher) context.getBean("teacher"); + // 3.使用对象调用方法测试 + System.out.println("teacher = " + teacher); + teacher.teach(); + } +} +``` +![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215224418.png) + +----------------------- +## 二、一些术语概念 +### 1. IoC容器 +1. IoC 是 Inversion of Control 的简写，译为 控制反转。 +2. IoC容器 + 1. 管理着所有的Java对象的实例化和初始化， + 2. 控制着对象与对象之间的依赖关系。 + 3. IoC容器管理的Java对象称为 Spring Bean， + 4. 它与使用关键字 new 创建的Java对象没有任何区别。 +3. IoC容器是Spring框架中最重要的核心组件之一，它贯穿了Spring从诞生到成长的整个过程。 + +### 2. 控制反转（ IoC ） +> 控制反转是一种思想 + +1. 将对象的创建权利交出去，交给第三方容器（IOC容器）负责 +2. 将对象和对象之间的关系维护权交出去，交给第三方容器负责 + +>如何实现控制反转 + +- 通过依赖注入DI的方式实现 + +### 3. 依赖注入（ DI ） +DI （Dependency Injection）：依赖注入，依赖注入实现了控制反转的思想，是指Spring创建对象的过程中，将对象依赖属性通过配置进行注入。 + +>依赖注入常见的实现方式有两种： + +1. set注入 ,常用 +2. 构造器注入 + +>结论： IoC 是一种控制反转的思想，而 DI 是对IoC的一种具体实现。 + +Bean管理：指对IOC容器中的Bean对象的创建，以及Bean对象中属性的赋值（或Bean对象之间关系的维护） + +### 4. IoC容器的实现 +>Spring中的IoC容器就是IoC思想的一个落地产品实现。IoC容器中管理的组件也叫做bean。在创建bean之前，首先需要创建IoC容器，Spring提供了IoC容器的两种实现方式 + +① BeanFactory + +这是IoC容器的基本实现，是Spring内部使用的接口。面向Spring本身，不提供给开发人员使用。 + +② ApplicationContext + +BeanFactory的子接口，提供了更多高级特性，面向Spring的使用者，几乎所有场合都使用 ApplicationContext，而不是底层的BeanFactory + +③ ApplicationContext的主要实现类 +![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215230030.png) + +--------------- +| 类型 | 说明 | 路径示例 | +| ------------------------------ | -------------------------------------------------- | -------------------------------------------- | +| ClassPathXmlApplicationContext | 通过读取类路径下的xml格式配置文件创建IoC容器对象 | appcontext.xml | +| FileSystemApplicationContext | 通过文件系统路径读取xml格式配置文件创建IoC容器对象 | file:F:/workspace/example/src/appcontext.xml | +--------------- + +## 三、如何通过XML管理Bean + +1. 还是 com.mdd.entity.Teacher 为例，来演示 +2. 获取bean方式 + 1. 根据id获取： + 1. id属性是bean的唯一标识，所以根据bean标签的id属性可以精确获取到一个组件对象。 + 2. ![](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016571.png) + 2. 根据类型获取 + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016728.png) + + 3. 根据id和类型获取 + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215231631.png) + + + +>注意： 当根据类型获取bean时，要求IoC容器中指定类型的bean只能有一个，当配置两个时会抛出异常 + + +### * 依赖注入的两种常见方式 +>类是有属性的，创建对象过程中，如何向属性注入具体的值？ + +1. 方式1：使用set方法完成（使用xml中的标签实现） +2. 方式2：基于构造器完成 + + +1. 使用set方法完成 + 1. 类中补充setter toString + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016811.png) + + 2. 修改bean.xml，进行属性值注入 + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215232345.png) + 2. 测试： + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215232424.png) + + +3. 基于构造器依赖注入 + 1. 补全类中的构造器 + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016440.png) + + 2. 修改bean.xml + 1. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016644.png) + + 3. 测试 + 1. !![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/202412191016926.png)[image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241215232915.png) + + +4. 不同类型的属性有不同的表示方式 + 1. 简单类型 ： value + 2. 对象引用类型 : ref + 3. 数组 \value或ref\ + 4. 集合\value或ref\ + 5. 空值 \\ + + + +5. 练习 + 1. 使用spring框架完成以下操作 + 2. 分别创建老师，课程，学生三个类，每个类要有三个属性，做成javabean + 3. 配置bean.xml进入Bean管理，分别创建老师，课程，学生的bean + 4. 老师有：姓名,多门课程（数组），多个学生（集合） + 5. 课程有：课程名称，学分 + 6. 学生有：姓名，年龄，一个任课老师。 + 7. 编写测试类，对每种bean进行测试。 + + +## 进阶一： +1. 使用lombok 快速创建javabean的类 +2. 特殊类型的注入，实体符< > +3. ]]> +4. 4. druid数据源 https://zhuanlan.zhihu.com/p/690241776 +5. 外部属性文件的引入， +6. 自动装配 +7. 三层架构：dao,service,controller + 1. 详解三层架构 是什么? 为什么? 怎么做? + 2. ![image.png](https://gitee.com/onesheet/images_backup/raw/master/images/20241219150430.png) + + 3. https://blog.csdn.net/S_yyuan/article/details/121554927 + 5. 步骤 + 1. 创建好各个软件包：entity->dao->service->controller + 2. 创建实体类 User（用来封装数据），（相当于做菜品材料） + 3. 创建数据访问层 （采购员） + 1. UserDao 接口 ，相当于采购员岗位，接口中的方法。相当于岗位职责 + 2. UserDao 接口的实现类UserDaoImpl，相当于聘请的具体采购员，要符合岗位职责，所以要实现所有方法 + 3. 在UserDaoImpl实现类中，写操作数据库的具体逻辑（具体的采购办法） + 4. 创建业务逻辑层 （厨师） + 1. UserService 接口，明确厨师的岗位职责，编写业务层要实现的功能方法 + 2. UserService 接口的实现类UserServiceImpl，相当于根据厨师岗位职责招聘来的厨师，所有要具备厨师岗位所有技巧，即实现接口的所有方法 + 3. 在UserServiceImpl实现类中，厨师做菜，要有材料，所以依赖于采购员，把采购员UserDao做为一个类属性注入进来 + 4. 在UserServiceImpl实现类中，对UserDao传过来的数据，做进一步处理。相当于加工材料做成菜。 + 1. 厨师做菜的材料，是依赖采购员来采购的。所以 + 2. 在UserServiceImpl实现类中要定义一个UserDao的属性 + 3. 在Bean中将UserDao对象入注入进来 + 5. 创建表示层 （服务员） + 1. UserController 类， + 1. 负责接收用户请求，并转发给UserServiceImpl：相当于服务员接收顾客点菜后，将菜单订单转发给厨师，厨师会根据这个订单开始做菜 + 2. 负责接收UserServiceImpl的响应，将转发给用户：相当于服务员将厨师做好的菜。端给前面点菜的顾客。 + 3. 因为厨师做好了菜之后，服务员才能将菜端给顾客，所以服务员的工作是依赖于厨师的。 + 1. controller 类中要定义一个 UserService的属性 + 2. 在Bean中将UserServicec对象注入进来 + 6. 总结 + 1. Controller依赖Service,Service依赖Dao + 2. 所以controller的bean要注入Service，Service的bean要注入Dao +8. 注解开发 diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/.gitignore" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/.gitignore" new file mode 100644 index 0000000..35410ca --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/.gitignore" @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/compiler.xml" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/compiler.xml" new file mode 100644 index 0000000..cfb07e5 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/compiler.xml" @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/jarRepositories.xml" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/jarRepositories.xml" new file mode 100644 index 0000000..abb532a --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/jarRepositories.xml" @@ -0,0 +1,20 @@ + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/misc.xml" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/misc.xml" new file mode 100644 index 0000000..d5cd614 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/.idea/misc.xml" @@ -0,0 +1,12 @@ + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/pom.xml" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/pom.xml" new file mode 100644 index 0000000..7627e01 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/pom.xml" @@ -0,0 +1,44 @@ + + + 4.0.0 + + org.example + spring04 + 1.0-SNAPSHOT + + + + org.springframework + spring-context + 5.3.39 + + + + junit + junit + 4.13.2 + test + + + org.projectlombok + lombok + 1.18.36 + compile + + + + com.alibaba + druid + 1.1.21 + + + + com.mysql + mysql-connector-j + 8.3.0 + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/controller/TeacherController.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/controller/TeacherController.java" new file mode 100644 index 0000000..eb3c21a --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/controller/TeacherController.java" @@ -0,0 +1,27 @@ +package com.kfc.controller; + +import com.kfc.entity.Teacher; +import com.kfc.service.TeacherService; +import lombok.Data; + +// 服务员 +@Data +public class TeacherController { + // 从厨师那里得到菜品 + // 菜品的获取是依赖厨师 + private TeacherService teacherService; // 接口 + + // 服务员，可以接收顾客的点菜数据，id + public Teacher orderTeacher(int id) { + Teacher teacher = teacherService.getOneTeacherById(id); + return teacher; + } + + // id =1 + public String deleteById(int id) { + Boolean rs = teacherService.deleteById(id); + return rs ? "删除成功" : "删除失败"; + } + + +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDao.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDao.java" new file mode 100644 index 0000000..1de95e5 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDao.java" @@ -0,0 +1,18 @@ +package com.kfc.dao; + +import com.kfc.entity.Teacher; +// 数据处理层，类比采购员 +// 接口，好比，拟定采购员岗位职责 +public interface TeacherDao { + // 增 + + // 删 + int deleteTeacherById(int id); // int 表示的是sql语句执行后，数据库中受影响的行数 + + + // 换，改 + + // 查 + // 根据编号查询 + Teacher selectOneById(int id); +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDaoImpl.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDaoImpl.java" new file mode 100644 index 0000000..59daae6 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/dao/TeacherDaoImpl.java" @@ -0,0 +1,56 @@ +package com.kfc.dao; + +import com.alibaba.druid.pool.DruidDataSource; +import com.alibaba.druid.pool.DruidPooledConnection; +import com.kfc.entity.Teacher; +import org.springframework.context.ApplicationContext; +import org.springframework.context.support.ClassPathXmlApplicationContext; + +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Statement; + +// 具体招聘来的采购 +public class TeacherDaoImpl implements TeacherDao{ + @Override + public int deleteTeacherById(int id) { + // 真实从数据库拿数据，通过druid连接池 + ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml"); + DruidDataSource dataSource = context.getBean(DruidDataSource.class); + DruidPooledConnection conn = null; + try { + conn = dataSource.getConnection(); + Statement st = conn.createStatement(); + int i = st.executeUpdate("delete from student01 where id =" + id); + return i; + } catch (SQLException e) { + throw new RuntimeException(e); + } + + } + + @Override + public Teacher selectOneById(int id) { + + // 这个采购，会去超市采购对应的食材 + // 假设 一个数组是一个超市 + Teacher[] teachers = {new Teacher(1,"张三"),new Teacher(2,"李四")}; + + // 真实从数据库拿数据，通过druid连接池 + ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml"); + DruidDataSource dataSource = context.getBean(DruidDataSource.class); + try { + DruidPooledConnection conn = dataSource.getConnection(); + Statement st = conn.createStatement(); + ResultSet rs = st.executeQuery("select * from mybatis.teacher where teacher_id=" + id); + while (rs.next()){ + Teacher teacher = new Teacher(rs.getInt("teacher_id"), rs.getString("teacher_name")); + return teacher; + } + } catch (SQLException e) { + throw new RuntimeException(e); + } + + return null; + } +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/entity/Teacher.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/entity/Teacher.java" new file mode 100644 index 0000000..8225bb5 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/entity/Teacher.java" @@ -0,0 +1,13 @@ +package com.kfc.entity; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@AllArgsConstructor +@NoArgsConstructor +public class Teacher { + private int teacherId; + public String teacherName; +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherService.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherService.java" new file mode 100644 index 0000000..bb723d0 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherService.java" @@ -0,0 +1,14 @@ +package com.kfc.service; + +import com.kfc.entity.Teacher; + +// 指定厨师的岗位职责 +public interface TeacherService { + // 能根据采购员给的食材，进行加工 + + // 根据编号查询（根据客户订单加工食材），得到一个加工过的售票，得到菜品 + Teacher getOneTeacherById(int id); + + // 根据id删除 + Boolean deleteById(int id); // 根据dao反馈的结果，进一步处理，0false 1 true +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherServiceImpl.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherServiceImpl.java" new file mode 100644 index 0000000..2ffa70f --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/java/com/kfc/service/TeacherServiceImpl.java" @@ -0,0 +1,30 @@ +package com.kfc.service; + +import com.kfc.dao.TeacherDao; +import com.kfc.entity.Teacher; +import lombok.Data; + +@Data +public class TeacherServiceImpl implements TeacherService{ + // 厨师要加工食材，首先得到有食材，由采购员提供，就是要依赖采购员 + private TeacherDao teacherDao; // 接口 + + + @Override + public Teacher getOneTeacherById(int id) { + // 从采购员那里得到食材 + Teacher teacher = teacherDao.selectOneById(id); + // 加工食材 +// teacher.setTeacherName("王老五"); +// if (teacher==null){ +// teacher= new Teacher(10086, "佚名"); +// } + return teacher; // 返回菜品 + } + + @Override + public Boolean deleteById(int id) { + int i = teacherDao.deleteTeacherById(id); + return i>0; + } +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/resources/bean.xml" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/resources/bean.xml" new file mode 100644 index 0000000..4e313b2 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/main/resources/bean.xml" @@ -0,0 +1,23 @@ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/test/java/com/kfc/test/TestTeacher.java" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/test/java/com/kfc/test/TestTeacher.java" new file mode 100644 index 0000000..50e7c8a --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/src/test/java/com/kfc/test/TestTeacher.java" @@ -0,0 +1,26 @@ +package com.kfc.test; + +import com.kfc.controller.TeacherController; +import com.kfc.entity.Teacher; +import org.junit.Test; +import org.springframework.context.ApplicationContext; +import org.springframework.context.support.ClassPathXmlApplicationContext; +// 顾客 +public class TestTeacher { + @Test + public void t1(){ + // 模拟客户点菜，勾了菜单中，编号为1的菜 + int id = 10; + // Spring框架，不自己new,从IOC容器拿 + ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml"); + TeacherController controller = context.getBean(TeacherController.class); +// Teacher teacher = controller.orderTeacher(id); +// System.out.println("teacher = " + teacher); + String s = controller.deleteById(id); + System.out.println(s); + } + + + + +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/bean.xml" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/bean.xml" new file mode 100644 index 0000000..4e313b2 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/bean.xml" @@ -0,0 +1,23 @@ + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/controller/TeacherController.class" "b/\345\215\242\346\257\224\344\274\246/20241219 \344\270\211\345\261\202\346\236\266\346\236\204/spring04/target/classes/com/kfc/controller/TeacherController.class" new file mode 100644 index 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-> 755 bytes .../classes/com/md/coll/DeptColl.class" | Bin 0 -> 2193 bytes .../target/classes/com/md/entity/Dept.class" | Bin 0 -> 1977 bytes .../classes/com/md/service/DeptService.class" | Bin 0 -> 252 bytes .../com/md/service/DeptServiceImp.class" | Bin 0 -> 2197 bytes .../target/classes/javabean.xml" | 31 +++++++ .../target/classes/jdbc.properties" | 4 + .../target/classes/org/example/Main.class" | Bin 0 -> 540 bytes .../target/test-classes/TextDept.class" | Bin 0 -> 1638 bytes 19 files changed, 304 insertions(+) create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/pom.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/Dao/DeptDao.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/coll/DeptColl.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/entity/Dept.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptService.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptServiceImp.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/org/example/Main.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/javabean.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/jdbc.properties" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/test/java/TextDept.java" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/Dao/DeptDao.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/coll/DeptColl.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/entity/Dept.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/service/DeptService.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/service/DeptServiceImp.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/javabean.xml" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/jdbc.properties" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/org/example/Main.class" create mode 100644 "\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/test-classes/TextDept.class" diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/pom.xml" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/pom.xml" new file mode 100644 index 0000000..535b448 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/pom.xml" @@ -0,0 +1,80 @@ + + + 4.0.0 + + com.pdd + spring05 + 1.0-SNAPSHOT + + + + org.projectlombok + lombok + 1.18.36 + compile + + + + org.mybatis + mybatis + 3.5.16 + + + + + com.mysql + mysql-connector-j + 8.3.0 + + + + junit + junit + 4.13.2 + test + + + + org.springframework + spring-context + 5.3.39 + + + + + org.springframework + spring-jdbc + 5.3.39 + + + + + + + com.alibaba + druid + 1.1.21 + + + + + + org.mybatis + mybatis-spring + 2.0.6 + + + + + org.springframework + spring-test + 5.3.39 + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/Dao/DeptDao.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/Dao/DeptDao.java" new file mode 100644 index 0000000..69c57ca --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/Dao/DeptDao.java" @@ -0,0 +1,23 @@ +package com.md.Dao; + +import com.md.entity.Dept; +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.Date; + +public interface DeptDao { + @Select("select dept_id deptId,dept_name deptName from dept where dept_id = #{id}") + Dept deptOneId(int id); + + @Delete("delete from dept where dept_id = #{id}") + int deleteById(int id); + + @Insert("insert into dept(dept_name) values (#{deptName})") + int insert(Dept dept); + + @Update("update dept set dept_name = #{deptName} where dept_id = #{deptId}") + int update(Dept dept); +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/coll/DeptColl.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/coll/DeptColl.java" new file mode 100644 index 0000000..2795574 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/coll/DeptColl.java" @@ -0,0 +1,26 @@ +package com.md.coll; + +import com.md.entity.Dept; +import com.md.service.DeptService; +import lombok.Data; + +@Data +public class DeptColl { + private DeptService deptService; + + public Dept deptOneId(int id) { + return deptService.deptOneId(id); + } + + public int deleteById(int id){ + return deptService.deleteById(id); + }; + + public int update(Dept dept){ + return deptService.update(dept); + }; + + public int insert(Dept dept){ + return deptService.insert(dept); + }; +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/entity/Dept.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/entity/Dept.java" new file mode 100644 index 0000000..f4b1604 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/entity/Dept.java" @@ -0,0 +1,13 @@ +package com.md.entity; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@AllArgsConstructor +@NoArgsConstructor +public class Dept { + private int deptId; + private String deptName; +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptService.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptService.java" new file mode 100644 index 0000000..d3f39b2 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptService.java" @@ -0,0 +1,15 @@ +package com.md.service; + +import com.md.entity.Dept; + +import java.util.Date; + +public interface DeptService { + Dept deptOneId(int id); + + int deleteById(int id); + + int insert(Dept dept); + + int update(Dept dept); +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptServiceImp.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptServiceImp.java" new file mode 100644 index 0000000..23da11e --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/com/md/service/DeptServiceImp.java" @@ -0,0 +1,32 @@ +package com.md.service; + +import com.md.Dao.DeptDao; +import com.md.entity.Dept; +import lombok.Data; + +import java.util.Date; + + +@Data +public class DeptServiceImp implements DeptService{ + private DeptDao deptDao; + @Override + public Dept deptOneId(int id) { + return deptDao.deptOneId(id); + } + + @Override + public int deleteById(int id) { + return deptDao.deleteById(id); + } + + @Override + public int insert(Dept dept) { + return deptDao.insert(dept); + } + + @Override + public int update(Dept dept) { + return deptDao.update(dept); + } +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/org/example/Main.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/org/example/Main.java" new file mode 100644 index 0000000..407f157 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/java/org/example/Main.java" @@ -0,0 +1,7 @@ +package org.example; + +public class Main { + public static void main(String[] args) { + System.out.println("Hello world!"); + } +} \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/javabean.xml" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/javabean.xml" new file mode 100644 index 0000000..e31dad1 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/javabean.xml" @@ -0,0 +1,31 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/jdbc.properties" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/jdbc.properties" new file mode 100644 index 0000000..ab17b57 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/main/resources/jdbc.properties" @@ -0,0 +1,4 @@ +jdbc.driver = com.mysql.jdbc.Driver +jdbc.url = jdbc:mysql:///student +jdbc.username = root +jdbc.password = 462709894 \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/test/java/TextDept.java" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/test/java/TextDept.java" new file mode 100644 index 0000000..909fb29 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/src/test/java/TextDept.java" @@ -0,0 +1,38 @@ +import com.md.coll.DeptColl; +import com.md.entity.Dept; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(locations = "classpath:javabean.xml") +public class TextDept { + @Autowired + private DeptColl deptColl; + @Test + public void t1(){ + Dept date = deptColl.deptOneId(1); + System.out.println(date); + } + @Test + public void t2(){ + int i = deptColl.deleteById(1); + System.out.println(i); + } + + @Test + public void t3(){ + Dept dept = new Dept(); + dept.setDeptName("小黑"); + int insert = deptColl.insert(dept); + System.out.println(insert); + } + + @Test + public void t4(){ + Dept dept = new Dept(2,"xiaoabai"); + int update = deptColl.update(dept); + System.out.println(update); + } +} diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/Dao/DeptDao.class" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/com/md/Dao/DeptDao.class" new file mode 100644 index 0000000000000000000000000000000000000000..04def18924062ece89e4bbb0f59e44b54028f86b GIT binary patch literal 755 zcma)4OH0E*5T31l*jlyLNA(sclorJG;7vSKiWn#sEPC-!w#nLVNj4?fR7&X|^WYEg zM~Sl=jS7W&2=n-6=9~R8?;o#k0B`}v1vn}|jX=@mQ`M8)b_vv)cB|_IKJ{J7r4njR zJBVHqIJu88_W7fT#L(kyDFeln2xLT{(G9{8WmD#iITb@pN0j{(&_4ILqle^X%!@gJ z+sI@r%{&mUv9^0^Ldkq?5_j5p4g=pr*2|cO37|W!tolN@O9CYqM=5?i*Xw6-eS7^r z9n*sQG?M1^EO{X#9x5%+DtZ1xYMTj2dY;U(gj9ifS~Goj%Q6B*R&IwWZ)9f@=iSH>9_ZMAgi@D;LZ%r?^YgE(~fjqs4U+`)8*1!ogBV+5*S zM}ir1A!rFyG)6rpN3=Jb;4jY;Adtax1IT6xY(N&{97a26^Y|5>fJCr~SP@FUu&op; cBereozx#Gmtb*9yAFP^U`{*4YQw9z{0aR$y;{X5v literal 0 HcmV?d00001 diff --git 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spring\346\225\264\345\220\210mybatis/target/classes/javabean.xml" @@ -0,0 +1,31 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/jdbc.properties" "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/jdbc.properties" new file mode 100644 index 0000000..ab17b57 --- /dev/null +++ "b/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/jdbc.properties" @@ -0,0 +1,4 @@ +jdbc.driver = com.mysql.jdbc.Driver +jdbc.url = jdbc:mysql:///student +jdbc.username = root +jdbc.password = 462709894 \ No newline at end of file diff --git "a/\345\215\242\346\257\224\344\274\246/20241220 spring\346\225\264\345\220\210mybatis/target/classes/org/example/Main.class" "b/\345\215\242\346\257\224\344\274\246/20241220 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