谷粒学院开发：教师管理模块

Posted 2023-03-15 9ack!?

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前后端分离开发

前端
html, css, js, jq
主要作用：数据显示
ajax
后端
controller service mapper
主要作用：返回数据或操作数据
接口

讲师管理模块（后端）

准备工作

创建数据库，创建讲师数据库表

CREATE TABLE `edu_teacher` (
  `id` char(19) NOT NULL COMMENT '讲师ID',
  `name` varchar(20) NOT NULL COMMENT '讲师姓名',
  `intro` varchar(500) NOT NULL DEFAULT '' COMMENT '讲师简介',
  `career` varchar(500) DEFAULT NULL COMMENT '讲师资历,一句话说明讲师',
  `level` int(10) unsigned NOT NULL COMMENT '头衔 1高级讲师 2首席讲师',
  `avatar` varchar(255) DEFAULT NULL COMMENT '讲师头像',
  `sort` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '排序',
  `is_deleted` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '逻辑删除 1（true）已删除， 0（false）未删除',
  `gmt_create` datetime NOT NULL COMMENT '创建时间',
  `gmt_modified` datetime NOT NULL COMMENT '更新时间',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='讲师';

创建父工程
pom类型，管理版本依赖和公共依赖 springboot工程
- 子模块1 maven工程
  - 子子模块1 maven工程
  - 子子模块2
- 子模块2

创建项目结构

创建父工程，在pom.xml里面加上一个标签，将它修改成pom工程

把dependiences删掉，放在子模块中，父工程只管理版本
添加下面的标签确定依赖版本

<properties>
    <java.version>1.8</java.version>
    <guli.version>0.0.1-SNAPSHOT</guli.version>
    <mybatis-plus.version>3.0.5</mybatis-plus.version>
    <velocity.version>2.0</velocity.version>
    <swagger.version>2.7.0</swagger.version>
    <aliyun.oss.version>2.8.3</aliyun.oss.version>
    <jodatime.version>2.10.1</jodatime.version>
    <poi.version>3.17</poi.version>
    <commons-fileupload.version>1.3.3</commons-fileupload.version>
    <commons-io.version>2.6</commons-io.version>
    <httpclient.version>4.5.1</httpclient.version>
    <jwt.version>0.7.0</jwt.version>
    <aliyun-java-sdk-core.version>4.3.3</aliyun-java-sdk-core.version>
    <aliyun-sdk-oss.version>3.1.0</aliyun-sdk-oss.version>
    <aliyun-java-sdk-vod.version>2.15.2</aliyun-java-sdk-vod.version>
    <aliyun-java-vod-upload.version>1.4.11</aliyun-java-vod-upload.version>
    <aliyun-sdk-vod-upload.version>1.4.11</aliyun-sdk-vod-upload.version>
    <fastjson.version>1.2.28</fastjson.version>
    <gson.version>2.8.2</gson.version>
    <json.version>20170516</json.version>
    <commons-dbutils.version>1.7</commons-dbutils.version>
    <canal.client.version>1.1.0</canal.client.version>
    <docker.image.prefix>zx</docker.image.prefix>
    <cloud-alibaba.version>0.2.2.RELEASE</cloud-alibaba.version>
    <swagger-version>2.0.1</swagger-version>
    <project-version>0.0.1-SNAPSHOT</project-version>
</properties>

配置<dependencyManagement>锁定依赖的版本

<dependencyManagement>
    <dependencies>
        <!--Spring Cloud-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>Hoxton.RELEASE</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-alibaba-dependencies</artifactId>
            <version>$cloud-alibaba.version</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
        <!--mybatis-plus 持久层-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>$mybatis-plus.version</version>
        </dependency>

        <!-- velocity 模板引擎, Mybatis Plus 代码生成器需要 -->
        <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>$velocity.version</version>
        </dependency>

        <!--swagger-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>$swagger.version</version>
        </dependency>
        <!--swagger ui-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>$swagger.version</version>
        </dependency>

        <!--aliyunOSS-->
        <dependency>
            <groupId>com.aliyun.oss</groupId>
            <artifactId>aliyun-sdk-oss</artifactId>
            <version>$aliyun.oss.version</version>
        </dependency>

        <!--日期时间工具-->
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
            <version>$jodatime.version</version>
        </dependency>

        <!--xls-->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>$poi.version</version>
        </dependency>
        <!--xlsx-->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>$poi.version</version>
        </dependency>

        <!--文件上传-->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>$commons-fileupload.version</version>
        </dependency>

        <!--commons-io-->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>$commons-io.version</version>
        </dependency>

        <!--httpclient-->
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>$httpclient.version</version>
        </dependency>

        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>$gson.version</version>
        </dependency>

        <!-- JWT -->
        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt</artifactId>
            <version>$jwt.version</version>
        </dependency>

        <!--aliyun-->
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-sdk-core</artifactId>
            <version>$aliyun-java-sdk-core.version</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun.oss</groupId>
            <artifactId>aliyun-sdk-oss</artifactId>
            <version>$aliyun-sdk-oss.version</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-sdk-vod</artifactId>
            <version>$aliyun-java-sdk-vod.version</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-vod-upload</artifactId>
            <version>$aliyun-java-vod-upload.version</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-sdk-vod-upload</artifactId>
            <version>$aliyun-sdk-vod-upload.version</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>$fastjson.version</version>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>$json.version</version>
        </dependency>

        <dependency>
            <groupId>commons-dbutils</groupId>
            <artifactId>commons-dbutils</artifactId>
            <version>$commons-dbutils.version</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba.otter</groupId>
            <artifactId>canal.client</artifactId>
            <version>$canal.client.version</version>
        </dependency>

        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>knife4j-spring-boot-starter</artifactId>
            <version>$swagger-version</version>
        </dependency>

        <dependency>
            <groupId>com.jack</groupId>
            <artifactId>service</artifactId>
            <version>$project-version</version>
        </dependency>


        <dependency>
            <groupId>com.liuscoding</groupId>
            <artifactId>common_utils</artifactId>
            <version>$project-version</version>
        </dependency>
    </dependencies>
</dependencyManagement>

创建子模块

同样创建之后添加packing标签，导入依赖

<dependencies>

    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
    </dependency>

    <!--hystrix依赖，主要是用  @HystrixCommand -->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
    </dependency>

    <!--服务注册-->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
    </dependency>
    <!--服务调用-->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-openfeign</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <!--mybatis-plus-->
    <dependency>
        <groupId>com.baomidou</groupId>
        <artifactId>mybatis-plus-boot-starter</artifactId>
    </dependency>

    <!--mysql-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
    </dependency>

    <!-- velocity 模板引擎, Mybatis Plus 代码生成器需要 -->
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