springboot activiti工作流简单示例
最近一直研究springboot,根据工作需求,工作流需要作为一个单独的微服务工程来提供给其他服务调用,现在简单的写下工作流(使用的activiti)微服务的搭建与简单使用
jdk:1.8
数据库:mysql 5.7
IDE:eclipse
springboot:1.5.8
activiti:6.0.0
1.新建空白的maven微服务架构
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<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">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.xxx</groupId>
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<artifactId>xxx</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.8.RELEASE</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.activiti</groupId>
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<artifactId>activiti-spring-boot-starter-basic</artifactId>
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<version>6.0.0</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-tomcat</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
确认服务是可用
2.连接服务名、服务端口、数据库配置
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spring.datasource.driver-class-name=com.mysql.jdbc.Driver
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spring.datasource.url=jdbc:mysql://127.0.0.1:3306/activity?characterEncoding=utf8&useSSL=true
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spring.datasource.username=root
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spring.datasource.password=root
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spring.jpa.properties.hibernate.hbm2ddl.auto=update
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spring.jpa.show-sql=true
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server.port=8081
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server.context-path=/activity
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server.session.timeout=10
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server.tomcat.uri-encoding=UTF-8
确认配置的数据库可用
3.main
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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/**
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* Created by Guo on 2017/11/15.
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*/
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@SpringBootApplication
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public class ActivityApp
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{
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public static void main(String[] args)
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{
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SpringApplication.run(ActivityApp.class, args);
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}
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}
4.service及实现
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import org.activiti.engine.task.TaskQuery;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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@RequestMapping("/activityService")
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public interface ActivityConsumerService {
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/**
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* 流程demo
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* @return
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*/
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@RequestMapping(value="/startActivityDemo",method=RequestMethod.GET)
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public boolean startActivityDemo();
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}
impl
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import java.util.HashMap;
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import java.util.Map;
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import org.activiti.engine.RuntimeService;
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import org.activiti.engine.TaskService;
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import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
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import org.activiti.engine.task.Task;
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import org.activiti.engine.task.TaskQuery;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import com.hongguaninfo.activity.service.ActivityConsumerService;
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@Service("activityService")
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public class ActivityConsumerServiceImpl implements ActivityConsumerService {
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@Autowired
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private RuntimeService runtimeService;
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@Autowired
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private TaskService taskService;
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@Override
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public boolean startActivityDemo() {
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System.out.println("method startActivityDemo begin....");
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Map<String,Object> map = new HashMap<String,Object>();
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map.put("apply","zhangsan");
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map.put("approve","lisi");
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//流程启动
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ExecutionEntity pi1 = (ExecutionEntity) runtimeService.startProcessInstanceByKey("leave",map);
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String processId = pi1.getId();
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String taskId = pi1.getTasks().get(0).getId();
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taskService.complete(taskId, map);//完成第一步申请
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Task task = taskService.createTaskQuery().processInstanceId(processId).singleResult();
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String taskId2 = task.getId();
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map.put("pass", false);
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taskService.complete(taskId2, map);//驳回申请
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System.out.println("method startActivityDemo end....");
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return false;
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}
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}
5.bpmn
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<?xml version="1.0" encoding="UTF-8"?>
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<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/testm1510735932336" id="m1510735932336" name="">
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<process id="leave" isExecutable="true" isClosed="false" processType="None">
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<startEvent id="_2" name="StartEvent"></startEvent>
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<endEvent id="_3" name="EndEvent"></endEvent>
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<userTask id="approve" name="经理审批" activiti:assignee="${approve}"></userTask>
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<exclusiveGateway id="_5" name="ExclusiveGateway"></exclusiveGateway>
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<sequenceFlow id="_6" sourceRef="approve" targetRef="_5"></sequenceFlow>
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<sequenceFlow id="_7" name="通过" sourceRef="_5" targetRef="_3">
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<conditionExpression xsi:type="tFormalExpression"><![CDATA[${pass}]]></conditionExpression>
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</sequenceFlow>
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<userTask id="application" name="提交申请" activiti:assignee="${apply}"></userTask>
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<sequenceFlow id="_9" sourceRef="_2" targetRef="application"></sequenceFlow>
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<sequenceFlow id="_10" sourceRef="application" targetRef="approve"></sequenceFlow>
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<userTask id="modify" name="修改申请" activiti:assignee="${apply}"></userTask>
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<sequenceFlow id="_12" name="不通过" sourceRef="_5" targetRef="modify">
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<conditionExpression xsi:type="tFormalExpression"><![CDATA[${!pass}]]></conditionExpression>
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</sequenceFlow>
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<sequenceFlow id="_13" sourceRef="modify" targetRef="approve"></sequenceFlow>
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</process>
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<bpmndi:BPMNDiagram id="BPMNDiagram_leave">
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<bpmndi:BPMNPlane bpmnElement="leave" id="BPMNPlane_leave">
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<bpmndi:BPMNShape bpmnElement="_2" id="BPMNShape__2">
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<omgdc:Bounds height="35.0" width="35.0" x="15.0" y="60.0"></omgdc:Bounds>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNShape bpmnElement="_3" id="BPMNShape__3">
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<omgdc:Bounds height="35.0" width="35.0" x="630.0" y="63.0"></omgdc:Bounds>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNShape bpmnElement="approve" id="BPMNShape_approve">
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<omgdc:Bounds height="55.0" width="85.0" x="315.0" y="50.0"></omgdc:Bounds>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNShape bpmnElement="_5" id="BPMNShape__5">
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<omgdc:Bounds height="40.0" width="40.0" x="505.0" y="60.0"></omgdc:Bounds>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNShape bpmnElement="application" id="BPMNShape_application">
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<omgdc:Bounds height="55.0" width="85.0" x="135.0" y="50.0"></omgdc:Bounds>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNShape bpmnElement="modify" id="BPMNShape_modify">
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<omgdc:Bounds height="55.0" width="85.0" x="315.0" y="150.0"></omgdc:Bounds>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNEdge bpmnElement="_6" id="BPMNEdge__6">
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<omgdi:waypoint x="400.0" y="77.0"></omgdi:waypoint>
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<omgdi:waypoint x="505.0" y="80.0"></omgdi:waypoint>
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</bpmndi:BPMNEdge>
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<bpmndi:BPMNEdge bpmnElement="_7" id="BPMNEdge__7">
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<omgdi:waypoint x="545.0" y="80.0"></omgdi:waypoint>
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<omgdi:waypoint x="630.0" y="80.0"></omgdi:waypoint>
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</bpmndi:BPMNEdge>
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<bpmndi:BPMNEdge bpmnElement="_9" id="BPMNEdge__9">
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<omgdi:waypoint x="50.0" y="77.0"></omgdi:waypoint>
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<omgdi:waypoint x="135.0" y="77.0"></omgdi:waypoint>
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</bpmndi:BPMNEdge>
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<bpmndi:BPMNEdge bpmnElement="_10" id="BPMNEdge__10">
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<omgdi:waypoint x="220.0" y="77.0"></omgdi:waypoint>
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<omgdi:waypoint x="315.0" y="77.0"></omgdi:waypoint>
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</bpmndi:BPMNEdge>
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<bpmndi:BPMNEdge bpmnElement="_12" id="BPMNEdge__12">
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<omgdi:waypoint x="525.0" y="100.0"></omgdi:waypoint>
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<omgdi:waypoint x="525.0" y="177.0"></omgdi:waypoint>
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<omgdi:waypoint x="400.0" y="177.0"></omgdi:waypoint>
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</bpmndi:BPMNEdge>
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<bpmndi:BPMNEdge bpmnElement="_13" id="BPMNEdge__13">
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<omgdi:waypoint x="357.0" y="150.0"></omgdi:waypoint>
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<omgdi:waypoint x="357.0" y="105.0"></omgdi:waypoint>
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</bpmndi:BPMNEdge>
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</bpmndi:BPMNPlane>
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</bpmndi:BPMNDiagram>
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</definitions>
需要认知的问题:.项目启动的时候,activiti会自动在mysql中创建activiti相关表,不用像oracle那样需要手动去创建
6.验证
用浏览器访问地址:http://127.0.0.1:8081/activity/activityService/startActivityDemo
打印了预计的日志,没有报错信息,查看数据库中的act_ru_task表,发现刚才执行形成的数据,项目成功。
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spring:
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activiti:
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####校验流程文件,默认校验resources下的processes文件夹里的流程文件
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check-process-definitions: false
即启动项目,不去校验processes。
原文地址:https://blog.csdn.net/kkkder/article/details/78562349
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