崛起于Springboot2.X之集成工作流Activiti5.22(42)

为什么80%的码农都做不了架构师？>>>   

声明：该博客主要是Springboot1.X和Springboot2.X集成Activiti5.22版本，并说一下两个版本的搭建不同的地方

技术：Springboot2.0.3+mysql+jpa(自动生成25张表)+Activiti5.22 /然后Springboot1.5.9重新集成一下

地址：简单集成activiti地址

1、创建工程，勾选Web模块，然后修改为2.0.3的版本

2、pom文件中添加关于Activiti的依赖包

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <scope>runtime</scope>
    </dependency>
    <!--activiti-->
    <dependency>
        <groupId>org.activiti</groupId>
        <artifactId>activiti-spring-boot-starter-basic</artifactId>
        <version>5.22.0</version>
    </dependency>
    <dependency>
        <groupId>org.activiti</groupId>
        <artifactId>activiti-spring</artifactId>
        <version>5.22.0</version>
    </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.5</version>
    </dependency>
    <dependency>
        <groupId>org.activiti</groupId>
        <artifactId>activiti-modeler</artifactId>
        <version>5.22.0</version>
    </dependency>
    <!--jpa-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>
</dependencies>

3、添加配置文件application.yml

#整合Activit
spring:
  jpa:
    hibernate:
      ddl-auto: update   # first：create table ，next :update table
    database: MYSQL
    #整合JPA
    show-sql: true
  activiti:
    check-process-definitions: false
  datasource:
    url: jdbc:mysql://192.138.3.15:3306/testMdxl?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&useSSL=false
    username: 
    password: 
    driver-class-name: com.mysql.jdbc.Driver
    maxActive: 20
    initialSize: 1
    maxWait: 60000
    minIdle: 1
    testWhileIdle: true
  security:
    user:
      name: user
      password: 1234

4、导入Activiti相关的源码

就是下载activiti的框架，然后从里面拿出部分代码作为自己项目的一部分全的。

一会我上传到码云上面吧，我发现文件挺多的，尴尬,码云地址==》点击  三个java文件，一个public文件夹，还有一个json文件：三部分。

5、编写controller层

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by mujiuitan on 2018/12/17.
 */
@RestController
@RequestMapping(value = "/activiti")
public class ActivitiController {

    //创建模型，这个模型数据写死，主要是没有前台技术支持啊
    @RequestMapping("/create")
    public void create(HttpServletRequest request, HttpServletResponse response) {
        try {
            ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

            RepositoryService repositoryService = processEngine.getRepositoryService();

            ObjectMapper objectMapper = new ObjectMapper();
            ObjectNode editorNode = objectMapper.createObjectNode();
            editorNode.put("id", "canvas");
            editorNode.put("resourceId", "canvas");
            ObjectNode stencilSetNode = objectMapper.createObjectNode();
            stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
            editorNode.put("stencilset", stencilSetNode);
            Model modelData = repositoryService.newModel();

            ObjectNode modelObjectNode = objectMapper.createObjectNode();
            modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, "hello1111");
            modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, 1);
            String description = "hello1111";
            modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, description);
            modelData.setMetaInfo(modelObjectNode.toString());
            modelData.setName("hello1111");
            modelData.setKey("12313123");
            //保存模型
            repositoryService.saveModel(modelData);
            repositoryService.addModelEditorSource(modelData.getId(), editorNode.toString().getBytes("utf-8"));
            response.sendRedirect(request.getContextPath() + "/modeler.html?modelId=" + modelData.getId());
        } catch (Exception e) {
            System.out.println("创建模型失败：");
        }
    }
}

6、在启动类上添加

@EnableAutoConfiguration(exclude = {
        //org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration.class,
        org.activiti.spring.boot.SecurityAutoConfiguration.class
})

7、启动，测试！

访问路径：http://localhost:8080/activiti/create

刚开始访问的时候会有一个弹框：提供用户名和密码，刚刚在配置文件已经写了，user 和 1234 填写这两个就好了，暂时没有想到怎么解决这个麻烦的弹框方法

然后生成的25张表，我记忆里好像是21张，至于多出来不知道哈，用Jpa实现的。

8、Springboot1.X集成Activiti5.22 的不同之处

8.1 在配置文件中，Springboot1.X就不用写下面的配置，也不会有弹框

security:
  user:
    name: user
    password: 1234

7.2 在启动类，Springboot1.X需要多添加一个类

@EnableAutoConfiguration(exclude = {
        org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration.class,
        org.activiti.spring.boot.SecurityAutoConfiguration.class
})

org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration.class 这个类在Springboot2.X已经注释了，因为版本升级已经找不到这个类了，但是1.X还有，把这个加上就不会有弹框出现让填写用户名和密码了。

结束，感谢！

转载于:https://my.oschina.net/mdxlcj/blog/2989622