Activiti7工作流引擎:实战篇 准备工作

Posted vbirdbest

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本来我是想买块肉的,但是现在我只能买块豆腐。

1. pom.xml

引入最新版本 activiti-spring-boot-starter依赖和spring-boot-starter-security。

<dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-spring-boot-starter</artifactId>
    <version>7.1.0.M6</version>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
    <version>2.2.0.RELEASE</version>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.2.0</version>
</dependency>

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <scope>runtime</scope>
</dependency>
<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <optional>true</optional>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-test</artifactId>
    <scope>test</scope>
</dependency>

2. application.yml

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/activiti?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT
    username: root
    password: root123
    driver-class-name: com.mysql.cj.jdbc.Driver
  activiti:
    #1.flase: 默认值。activiti在启动时,会对比数据库表中保存的版本,如果没有表或者版本不匹配,将抛出异常
    #2.true: activiti会对数据库中所有表进行更新操作。如果表不存在,则自动创建
    #3.create_drop: 在activiti启动时创建表,在关闭时删除表(必须手动关闭引擎,才能删除表)
    #4.drop-create: 在activiti启动时删除原来的旧表,然后在创建新表(不需要手动关闭引擎)
    database-schema-update: true
    #检测历史表是否存在 activiti7默认没有开启数据库历史记录 启动数据库历史记录
    db-history-used: true
    #记录历史等级 可配置的历史级别有none, activity, audit, full
    history-level: full
    #校验流程文件,默认校验resources下的processes文件夹里的流程文件
    check-process-definitions: false

3. database

-- 用户表,用于登录和Spring Security集成, 密码: 123456
CREATE TABLE `tb_user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `age` int(40) DEFAULT NULL,
  `username` varchar(100) DEFAULT NULL,
  `password` varchar(100) DEFAULT NULL,
  `email` varchar(100) DEFAULT NULL,
  `gender` int(40) DEFAULT NULL,
  `role` varchar(100) DEFAULT NULL,
  `rolegroup` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT;

INSERT INTO `tb_user` VALUES (1, 20, 'jack', '$2a$10$9FIX76XUZgIyiOTjy5iswe9fJrWuaxAwTLsJb0QFJAcu5OqTb/TJS', '123@123.com', 1, 'ADMIN', 'activiti_user');
INSERT INTO `tb_user` VALUES (2, 25, 'rose', '$2a$10$9FIX76XUZgIyiOTjy5iswe9fJrWuaxAwTLsJb0QFJAcu5OqTb/TJS', '234@234.com', 2, 'ADMIN', 'activiti_user');
INSERT INTO `tb_user` VALUES (3, 22, 'tom', '$2a$10$9FIX76XUZgIyiOTjy5iswe9fJrWuaxAwTLsJb0QFJAcu5OqTb/TJS', '345@35.com', 1, 'ADMIN', 'activiti_user');
INSERT INTO `tb_user` VALUES (4, 30, 'jerry', '$2a$10$9FIX76XUZgIyiOTjy5iswe9fJrWuaxAwTLsJb0QFJAcu5OqTb/TJS', '456@456.com', 2, 'ADMIN', 'activiti_user');

-- 出差表:保存业务相关数据
CREATE TABLE `tb_evection` (
  `id` int(10) NOT NULL AUTO_INCREMENT,
  `evectionName` varchar(100) DEFAULT NULL,
  `num` double DEFAULT NULL,
  `destination` varchar(100) DEFAULT NULL,
  `begindate` date DEFAULT NULL,
  `enddate` date DEFAULT NULL,
  `reson` varchar(100) DEFAULT NULL,
  `state` int(4) DEFAULT NULL,
  `userid` int(20) DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT;

4. entity

需要实现SpringSecurity中的UserDetails接口。

@Data
public class User implements Serializable, UserDetails 
    private Long id;
    private String username;
    private String password;
    private String email;
    private Integer gender;
    private Integer age;
    private String role;

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() 
        return null;
    

    @Override
    public String getPassword() 
        return password;
    

    @Override
    public String getUsername() 
        return username;
    

    @Override
    public boolean isAccountNonExpired() 
        return false;
    

    @Override
    public boolean isAccountNonLocked() 
        return false;
    

    @Override
    public boolean isCredentialsNonExpired() 
        return false;
    

    @Override
    public boolean isEnabled() 
        return false;
    

/**
 * 出差申请
 */
@Data
public class Evection implements Serializable 

    private Long id;

    private Long userid;
    /** 出差申请单名称 */
    private String evectionName;
    /** 出差天数 */
    private Double num;
    /** 预计开始时间 */
    private Date beginDate;
    /** 预计结束时间 */
    private Date endDate;
    /** 目的地 */
    private String destination;
    /** 出差事由 */
    private String reson;
    /** 0-初始录入,1-开始审批,2-审批完成 */
    private int state;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Result 
    private Integer status;
    private String message;

5. bpmn


evection.bpmn

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" 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:tns="http://www.activiti.org/test" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" expressionLanguage="http://www.w3.org/1999/XPath" id="m1585999805036" name="" targetNamespace="http://www.activiti.org/test" typeLanguage="http://www.w3.org/2001/XMLSchema">
  <process id="evection" isClosed="false" isExecutable="true" name="出差申请" processType="None">
    <startEvent id="_2" name="StartEvent"/>
    <userTask activiti:assignee="$assignee0" activiti:exclusive="true" id="_3" name="创建出差申请">
      <extensionElements>
        <activiti:taskListener class="com.itheima.listener.MyTaskListener" event="assignment"/>
      </extensionElements>
    </userTask>
    <userTask activiti:assignee="$assignee1" activiti:exclusive="true" id="_4" name="部门经理审核">
      <extensionElements>
        <activiti:taskListener class="com.itheima.listener.MyTaskListener" event="assignment"/>
      </extensionElements>
    </userTask>
    <userTask activiti:assignee="$assignee2" activiti:exclusive="true" id="_5" name="总经理审批">
      <extensionElements>
        <activiti:taskListener class="com.itheima.listener.MyTaskListener" event="assignment"/>
      </extensionElements>
    </userTask>
    <userTask activiti:assignee="$assignee3" activiti:exclusive="true" id="_6" name="财务审批">
      <extensionElements>
        <activiti:taskListener class="com.itheima.listener.MyTaskListener" event="assignment"/>
      </extensionElements>
    </userTask>
    <endEvent id="_7" name="EndEvent">
      <extensionElements>
        <activiti:executionListener class="com.itheima.listener.MyExecutionListener" event="end"/>
      </extensionElements>
    </endEvent>
    <sequenceFlow id="_8" sourceRef="_2" targetRef="_3"/>
    <sequenceFlow id="_9" sourceRef="_3" targetRef="_4"/>
    <sequenceFlow id="_10" sourceRef="_4" targetRef="_6">
      <conditionExpression xsi:type="tFormalExpression">
        <![CDATA[$evection.num<3]]>
      </conditionExpression>
    </sequenceFlow>
    <sequenceFlow id="_11" sourceRef="_4" targetRef="_5">
      <conditionExpression xsi:type="tFormalExpression">
        <![CDATA[$evection.num>=3]]>
      </conditionExpression>
    </sequenceFlow>
    <sequenceFlow id="_12" sourceRef="_5" targetRef="_6"/>
    <sequenceFlow id="_13" sourceRef="_6" targetRef="_7"/>
  </process>
  <bpmndi:BPMNDiagram documentation="background=#FFFFFF;count=1;horizontalcount=1;orientation=0;width=842.4;height=1195.2;imageableWidth=832.4;imageableHeight=1185.2;imageableX=5.0;imageableY=5.0" id="Diagram-_1" name="New Diagram">
    <bpmndi:BPMNPlane bpmnElement="evection">
      <bpmndi:BPMNShape bpmnElement="_2" id="Shape-_2">
        <omgdc:Bounds height="32.0" width="32.0" x="5.0" y="160.0"/>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="32.0" width="32.0" x="0.0" y="0.0"/>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="_3" id="Shape-_3">
        <omgdc:Bounds height="55.0" width="85.0" x="100.0" y="150.0"/>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height=以上是关于Activiti7工作流引擎:实战篇 准备工作的主要内容,如果未能解决你的问题,请参考以下文章

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