• 摘要

    本篇随笔主要记录springBoot2集成activiti流程引擎,并且嵌入activiti的在线设计器,可以通过浏览器直接编辑出我们需要的流程,不需要通过eclipse或者IDEA的actiBpm插件设计流程再直接部署到项目下,页面保存流程后可直接发布、发起流程。

  • 所需软件版本
    springBoot  2.0.1.RELEASE
    activiti 5.22.0    官网下载地址
    activiti-webapp-explorer2   我的github上的explorer项目

  • 集成方法
    activiti支持多种数据库,本身还有个h2的内存数据库,我这里用的是Mysql
    1、pom.xml引入依赖,这里主要是activiti的依赖包,${activiti.version}为5.22.0

     <!--spring activiti start-->
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-spring-boot-starter-basic</artifactId>
    <version>${activiti.version}</version>
    <exclusions>
    <exclusion>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
    </exclusion>
    <exclusion>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    </exclusion>
    <exclusion>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-config</artifactId>
    </exclusion>
    </exclusions>
    </dependency>
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-spring-boot-starter-actuator</artifactId>
    <version>${activiti.version}</version>
    <exclusions>
    <exclusion>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    </exclusion>
    </exclusions>
    </dependency>
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-rest</artifactId>
    <version>${activiti.version}</version>
    <exclusions>
    <exclusion>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-config</artifactId>
    </exclusion>
    </exclusions>
    </dependency>
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-explorer</artifactId>
    <version>${activiti.version}</version>
    <exclusions>
    <exclusion>
    <groupId>com.vaadin</groupId>
    <artifactId>vaadin</artifactId>
    </exclusion>
    <exclusion>
    <groupId>org.vaadin.addons</groupId>
    <artifactId>dcharts-widget</artifactId>
    </exclusion>
    <exclusion>
    <groupId>activiti-simple-workflow</groupId>
    <artifactId>org.activiti</artifactId>
    </exclusion>
    </exclusions>
    </dependency>
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-diagram-rest</artifactId>
    <version>${activiti.version}</version>
    </dependency>
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-simple-workflow</artifactId>
    <version>${activiti.version}</version>
    </dependency>
    <dependency>
    <groupId>org.activiti</groupId>
    <artifactId>activiti-spring</artifactId>
    <version>${activiti.version}</version>
    </dependency>
    <dependency>
    <groupId>org.apache.xmlgraphics</groupId>
    <artifactId>batik-codec</artifactId>
    <version>1.7</version>
    </dependency>
    <dependency>
    <groupId>org.apache.xmlgraphics</groupId>
    <artifactId>batik-css</artifactId>
    <version>1.7</version>
    </dependency>
    <dependency>
    <groupId>org.apache.xmlgraphics</groupId>
    <artifactId>batik-svg-dom</artifactId>
    <version>1.7</version>
    </dependency>
    <dependency>
    <groupId>org.apache.xmlgraphics</groupId>
    <artifactId>batik-svggen</artifactId>
    <version>1.7</version>
    </dependency>
    <dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-config</artifactId>
    <version>4.1.3.RELEASE</version>
    </dependency> <!--spring activiti end-->

    2、拷贝项目资源
      解压activiti-webapp-explorer2,把webapp下面的diagram-viewer、editor-app、modeler.html复制到springboot项目下的static下,这是activiti的在线设计器,modeler.html就是设计的主界面,复制resources下stencilset.json到自己的resources下。
      

      解压activiti-5.22.0的包,将libs下的activiti-modeler-5.22.0-sources.jar解压出来,把org\activiti\rest\editor路径下的main、model文件夹复制到springboot项目的源码路径下,里面有三个类,主要用于读取stencilset.json。


    3、修改拷贝过来的资源文件
      修改StencilsetRestResource.java、ModelEditorJsonRestResource.java、ModelSaveRestResource.java3个controller,加上@RequestMapping("/service")

      修改editor-app下的app-cfg.js,把contextRoot后面改成 /service,和controller里面加的requestMapping要一致

  • var ACTIVITI = ACTIVITI || {};
    
    ACTIVITI.CONFIG = {
    'contextRoot' : '/service',
    };

    4、新增service、controller
      service实现,这里只放实现类,接口就不放了,自己可以根据实现类自己添加接口方法,这个service实现了把流程和自定义表单结合的功能,completeTask方法通过java反射执行不同任务节点执行不同form

    package com.djkj.activiti.service.Impl;
    
    import com.djkj.activiti.bean.ActivitiVariable;
    import com.djkj.activiti.common.BusinessTaskUtil;
    import com.djkj.activiti.service.ActivitiService;
    import com.djkj.activiti.service.ActivitiVariableService;
    import org.activiti.bpmn.model.BpmnModel;
    import org.activiti.engine.HistoryService;
    import org.activiti.engine.RepositoryService;
    import org.activiti.engine.RuntimeService;
    import org.activiti.engine.TaskService;
    import org.activiti.engine.delegate.DelegateExecution;
    import org.activiti.engine.history.HistoricActivityInstance;
    import org.activiti.engine.history.HistoricProcessInstance;
    import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
    import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
    import org.activiti.engine.impl.pvm.PvmTransition;
    import org.activiti.engine.impl.pvm.process.ActivityImpl;
    import org.activiti.engine.runtime.ProcessInstance;
    import org.activiti.engine.task.Task;
    import org.activiti.image.ProcessDiagramGenerator;
    import org.apache.log4j.Logger;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    import sun.misc.BASE64Encoder; import javax.imageio.ImageIO;
    import java.awt.image.BufferedImage;
    import java.io.ByteArrayOutputStream;
    import java.io.File;
    import java.io.FileOutputStream;
    import java.io.InputStream;
    import java.lang.reflect.Method;
    import java.util.*; @Service
    public class ActivitiServiceImpl implements ActivitiService { @Autowired
    private RuntimeService runtimeService;
    @Autowired
    private TaskService taskService;
    @Autowired
    private HistoryService historyService;
    @Autowired
    private RepositoryService repositoryService;
    @Autowired
    private ProcessEngineConfigurationImpl processEngineConfiguration;
    @Autowired
    private ActivitiVariableService activitiVariableService; private static final Logger logger=Logger.getLogger(ActivitiServiceImpl.class); /**
    * 启动流程
    */
    @Override
    public void startProcesses(String id,String business_key) {
    ProcessInstance pi = runtimeService.startProcessInstanceByKey(id, business_key);//流程图id,业务表id
    System.out.println("流程启动成功,流程id:"+pi.getId());
    } /**
    *
    * <p>描述: 根据用户id查询待办任务列表</p>
    * @author 范相如
    * @date 2018年2月25日
    */
    @Override
    public List<Task> findTasksByUserId(String userId) {
    List<Task> resultTask = taskService.createTaskQuery().processDefinitionKey("process").taskCandidateOrAssigned(userId).list();
    return resultTask;
    } @Override
    public Task findTaskById(String taskId){
    List<Task> resultTask = taskService.createTaskQuery().taskId(taskId).list();
    if(resultTask!=null){
    return resultTask.get(0);
    }
    return null;
    } /**
    *
    * <p>描述:任务审批 (通过/拒接) </p>
    * @author 范相如
    * @date 2018年2月25日
    * @param taskId 任务id
    * @param userId 用户id
    * @param result false OR true
    */
    @Override
    public void completeTask(String taskId,String userId,String result) {
    //获取流程实例
    taskService.claim(taskId, userId);
    //获取任务
    Task task=taskService.createTaskQuery().taskId(taskId).singleResult();
    //获取流程实例ID
    String proInsId = task.getProcessInstanceId();
    //获取流程实例
    ProcessInstance process = runtimeService.createProcessInstanceQuery().processInstanceId(proInsId).singleResult();
    //获取业务外键
    String business_key = process.getBusinessKey();
    String[] array = business_key.split(":");
    String business_Id = array[1];
    //业务处理
    try {
    Class clazz=BusinessTaskUtil.class;
    Object obj = clazz.newInstance();
    Method method = clazz.getMethod("actBusiness_"+task.getFormKey(),String.class,String.class,String.class);
    method.invoke(obj,userId,business_Id,result);
    }catch (Exception e){
    e.printStackTrace();
    logger.error("执行业务方法错误!"); }
    taskService.complete(taskId);
    } /**
    * 更改业务流程状态#{ActivityDemoServiceImpl.updateBizStatus(execution,"tj")}
    * @param execution
    * @param status
    */
    @Override
    public void updateBizStatus(DelegateExecution execution, String status) {
    String bizId = execution.getProcessBusinessKey();
    //根据业务id自行处理业务表
    System.out.println("业务表["+bizId+"]状态更改成功,状态更改为:"+status);
    } //流程节点权限用户列表${ActivityDemoServiceImpl.findUsers(execution,sign)}
    @Override
    public List<String> findUsersForSL(DelegateExecution execution){
    return Arrays.asList("sly1","sly2");
    } //流程节点权限用户列表${ActivityDemoServiceImpl.findUsers(execution,sign)}
    @Override
    public List<String> findUsersForSP(DelegateExecution execution){
    return Arrays.asList("spy1","uspy2");
    } /**
    *
    * <p>描述: 生成流程图
    * 首先启动流程,获取processInstanceId,替换即可生成</p>
    * @author 范相如
    * @date 2018年2月25日
    * @param processInstanceId
    * @throws Exception
    */
    @Override
    public void queryProImg(String processInstanceId) throws Exception {
    //获取历史流程实例
    HistoricProcessInstance processInstance = historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).singleResult(); //根据流程定义获取输入流
    InputStream is = repositoryService.getProcessDiagram(processInstance.getProcessDefinitionId());
    BufferedImage bi = ImageIO.read(is);
    File file = new File("demo2.png");
    if(!file.exists()) file.createNewFile();
    FileOutputStream fos = new FileOutputStream(file);
    ImageIO.write(bi, "png", fos);
    fos.close();
    is.close();
    System.out.println("图片生成成功"); List<Task> tasks = taskService.createTaskQuery().taskCandidateUser("userId").list();
    for(Task t : tasks) {
    System.out.println(t.getName());
    }
    } /**
    * 流程图高亮显示
    * 首先启动流程,获取processInstanceId,替换即可生成
    * @throws Exception
    */
    @Override
    public String queryProHighLighted(String processInstanceId) throws Exception {
    //获取历史流程实例
    HistoricProcessInstance processInstance = historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();
    //获取流程图
    BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getProcessDefinitionId()); ProcessDiagramGenerator diagramGenerator = processEngineConfiguration.getProcessDiagramGenerator();
    ProcessDefinitionEntity definitionEntity = (ProcessDefinitionEntity)repositoryService.getProcessDefinition(processInstance.getProcessDefinitionId()); List<HistoricActivityInstance> highLightedActivitList = historyService.createHistoricActivityInstanceQuery().processInstanceId(processInstanceId).list();
    //高亮环节id集合
    List<String> highLightedActivitis = new ArrayList<String>(); //高亮线路id集合
    List<String> highLightedFlows = getHighLightedFlows(definitionEntity,highLightedActivitList); for(HistoricActivityInstance tempActivity : highLightedActivitList){
    String activityId = tempActivity.getActivityId();
    highLightedActivitis.add(activityId);
    }
    //配置字体
    InputStream imageStream = diagramGenerator.generateDiagram(bpmnModel, "png", highLightedActivitis, highLightedFlows,"宋体","微软雅黑","黑体",null,2.0);
    BufferedImage bi = ImageIO.read(imageStream);
    // File file = new File("demo2.png");
    // if(!file.exists()) file.createNewFile();
    // FileOutputStream fos = new FileOutputStream(file);
    ByteArrayOutputStream bos= new ByteArrayOutputStream();
    ImageIO.write(bi, "png", bos);
    byte[] bytes = bos.toByteArray();//转换成字节
    BASE64Encoder encoder = new BASE64Encoder();
    String png_base64 = encoder.encodeBuffer(bytes);//转换成base64串
    png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");//删除 \r\n
    bos.close();
    imageStream.close();
    return png_base64;
    }
    /**
    * 获取需要高亮的线
    * @param processDefinitionEntity
    * @param historicActivityInstances
    * @return
    */
    private List<String> getHighLightedFlows(
    ProcessDefinitionEntity processDefinitionEntity,
    List<HistoricActivityInstance> historicActivityInstances) { List<String> highFlows = new ArrayList<String>();// 用以保存高亮的线flowId
    for (int i = 0; i < historicActivityInstances.size() - 1; i++) {// 对历史流程节点进行遍历
    ActivityImpl activityImpl = processDefinitionEntity
    .findActivity(historicActivityInstances.get(i)
    .getActivityId());// 得到节点定义的详细信息
    List<ActivityImpl> sameStartTimeNodes = new ArrayList<ActivityImpl>();// 用以保存后需开始时间相同的节点
    ActivityImpl sameActivityImpl1 = processDefinitionEntity
    .findActivity(historicActivityInstances.get(i + 1)
    .getActivityId());
    // 将后面第一个节点放在时间相同节点的集合里
    sameStartTimeNodes.add(sameActivityImpl1);
    for (int j = i + 1; j < historicActivityInstances.size() - 1; j++) {
    HistoricActivityInstance activityImpl1 = historicActivityInstances
    .get(j);// 后续第一个节点
    HistoricActivityInstance activityImpl2 = historicActivityInstances
    .get(j + 1);// 后续第二个节点
    if (activityImpl1.getStartTime().equals(
    activityImpl2.getStartTime())) {
    // 如果第一个节点和第二个节点开始时间相同保存
    ActivityImpl sameActivityImpl2 = processDefinitionEntity
    .findActivity(activityImpl2.getActivityId());
    sameStartTimeNodes.add(sameActivityImpl2);
    } else {
    // 有不相同跳出循环
    break;
    }
    }
    List<PvmTransition> pvmTransitions = activityImpl
    .getOutgoingTransitions();// 取出节点的所有出去的线
    for (PvmTransition pvmTransition : pvmTransitions) {
    // 对所有的线进行遍历
    ActivityImpl pvmActivityImpl = (ActivityImpl) pvmTransition
    .getDestination();
    // 如果取出的线的目标节点存在时间相同的节点里,保存该线的id,进行高亮显示
    if (sameStartTimeNodes.contains(pvmActivityImpl)) {
    highFlows.add(pvmTransition.getId());
    }
    }
    }
    return highFlows;
    }
    }

      controller实现,我写了两个controller,主要当时写的时候没有写在一起,你们可以把这两部分的内容合并在一起

    package com.djkj.activiti.controller;
    
    import com.fasterxml.jackson.databind.JsonNode;
    import com.fasterxml.jackson.databind.ObjectMapper;
    import com.fasterxml.jackson.databind.node.ObjectNode;
    import org.activiti.bpmn.converter.BpmnXMLConverter;
    import org.activiti.bpmn.model.BpmnModel;
    import org.activiti.editor.constants.ModelDataJsonConstants;
    import org.activiti.editor.language.json.converter.BpmnJsonConverter;
    import org.activiti.engine.ProcessEngine;
    import org.activiti.engine.RepositoryService;
    import org.activiti.engine.repository.Deployment;
    import org.activiti.engine.repository.Model;
    import org.apache.commons.lang3.StringUtils;
    import org.apache.log4j.Logger;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    import org.springframework.web.bind.annotation.RestController; import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import java.io.IOException;
    import java.io.UnsupportedEncodingException;
    import java.util.List; @Controller
    @RequestMapping("/models")
    public class MyActivitiController { private static final Logger LOGGER = Logger.getLogger(MyActivitiController.class); @Autowired
    private RepositoryService repositoryService;
    @Autowired
    private ObjectMapper objectMapper; @RequestMapping("/modelList")
    public String modelList(org.springframework.ui.Model model,HttpServletRequest request){
    LOGGER.info("-------------列表页-------------");
    List<Model> models = repositoryService.createModelQuery().orderByCreateTime().desc().list();
    model.addAttribute("models",models);
    String info = request.getParameter("info");
    if(StringUtils.isNotEmpty(info)){
    model.addAttribute("info",info);
    }
    return "model/list";
    } @RequestMapping("/create")
    public void newModel(HttpServletRequest request, HttpServletResponse response) throws UnsupportedEncodingException {
    try {
    //初始化一个空模型
    Model model = repositoryService.newModel(); //设置一些默认信息
    String name = "new-process";
    String description = "";
    int revision = 1;
    String key = "process"; ObjectNode modelNode = objectMapper.createObjectNode();
    modelNode.put(ModelDataJsonConstants.MODEL_NAME, name);
    modelNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, description);
    modelNode.put(ModelDataJsonConstants.MODEL_REVISION, revision); model.setName(name);
    model.setKey(key);
    model.setMetaInfo(modelNode.toString()); repositoryService.saveModel(model);
    String id = model.getId(); //完善ModelEditorSource
    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);
    repositoryService.addModelEditorSource(id, editorNode.toString().getBytes("utf-8")); response.sendRedirect(request.getContextPath() + "/static/modeler.html?modelId=" + id);
    }catch (IOException e){
    e.printStackTrace();
    LOGGER.info("模型创建失败!");
    } } @RequestMapping("/delete/{id}")
    public @ResponseBody String deleteModel(@PathVariable("id")String id){
    repositoryService.deleteModel(id);
    return "删除成功!";
    } @RequestMapping("/deployment/{id}")
    public @ResponseBody String deploy(@PathVariable("id")String id) throws Exception { //获取模型
    Model modelData = repositoryService.getModel(id);
    byte[] bytes = repositoryService.getModelEditorSource(modelData.getId()); if (bytes == null) {
    return "模型数据为空,请先设计流程并成功保存,再进行发布。";
    } JsonNode modelNode = new ObjectMapper().readTree(bytes); BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode);
    if(model.getProcesses().size()==0){
    return "数据模型不符要求,请至少设计一条主线流程。";
    }
    byte[] bpmnBytes = new BpmnXMLConverter().convertToXML(model); //发布流程
    String processName = modelData.getName() + ".bpmn20.xml";
    Deployment deployment = repositoryService.createDeployment()
    .name(modelData.getName())
    .addString(processName, new String(bpmnBytes, "UTF-8"))
    .deploy();
    modelData.setDeploymentId(deployment.getId());
    repositoryService.saveModel(modelData);
    return "流程发布成功";
    } @RequestMapping("/start/{id}")
    public @ResponseBody String startProcess(@PathVariable("id") String id){
    try { }catch (Exception e){
    e.printStackTrace();
    return "流程启动失败!";
    }
    return "流程启动成功";
    } }

    显示所有流程列表,以及流程的增删改

    package com.djkj.activiti.controller;
    
    import com.djkj.activiti.bean.ActivitiVariable;
    import com.djkj.activiti.bean.FormData;
    import com.djkj.activiti.service.ActivitiService;
    import com.djkj.activiti.service.ActivitiVariableService;
    import org.activiti.engine.HistoryService;
    import org.activiti.engine.TaskService;
    import org.activiti.engine.task.Task;
    import org.apache.commons.lang3.StringUtils;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    import org.springframework.web.servlet.mvc.support.RedirectAttributesModelMap; import javax.annotation.Resource;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map; @Controller
    @RequestMapping("/activiti")
    public class ActivitiProcessController {
    @Resource
    private ActivitiService activitiServiceImpl;
    @Autowired
    private TaskService taskService;
    @Autowired
    private HistoryService historyService;
    @Autowired
    private ActivitiVariableService activitiVariableService; // private static final String business = "testtask"; //启动流程---215001
    @RequestMapping("/start/{key}")
    public String startProcess(@PathVariable("key") String key, RedirectAttributesModelMap modelMap) {
    // Map<String,Object> map = new HashMap<String,Object>();
    // map.put("userId",userIdSl);
    // map.put("businessKey",business_key);
    // String business_key = key + ":" + key;
    ActivitiVariable activitiVariable = new ActivitiVariable();
    int resul=activitiVariableService.insert(activitiVariable);
    if(resul==1){
    modelMap.addFlashAttribute("info","流程启动成功!");
    String business_key = key+":"+activitiVariable.getId();
    activitiServiceImpl.startProcesses(key,business_key);
    }else{
    modelMap.addFlashAttribute("info","流程启动失败!");
    }
    return "redirect:/models/modelList";
    } //获取受理员任务列表
    @RequestMapping("/queryTaskSl")
    public String findTasksForSL(ModelMap modelMap,FormData formData) {
    List<Task> lists = activitiServiceImpl.findTasksByUserId(formData.getUserId());
    modelMap.addAttribute("tasks",lists);
    modelMap.addAttribute("userId",formData.getUserId());
    return "model/taskList";
    } @RequestMapping("/form")
    public String form(FormData formData,ModelMap modelMap){
    Task task=activitiServiceImpl.findTaskById(formData.getId());
    modelMap.addAttribute("data",formData);
    modelMap.addAttribute("task",task);
    if(StringUtils.isNotEmpty(task.getFormKey())){
    return "activitiForm/"+task.getFormKey();
    }
    return "model/form";
    } //受理员受理数据
    @RequestMapping("/completeTaskSl")
    public String completeTasksForSL(ModelMap modelMap,FormData formData) {
    activitiServiceImpl.completeTask(formData.getId(), formData.getUserId(), formData.getAttr1());//受理后,任务列表数据减少
    return findTasksForSL(modelMap,formData);
    } // //获取审批员任务列表
    // @RequestMapping("/queryTaskSp")
    // public void findTasksForSP() {
    // List<Task> lists = activitiServiceImpl.findTasksByUserId(userIdSp);
    // System.out.println("任务列表:"+lists);//任务列表:[Task[id=220004, name=审批]]
    // }
    //
    // //审批员通过审核
    // @RequestMapping("/completeTaskSp/{id}")
    // public void completeTasksForSP(@PathVariable("id")String id) {
    // activitiServiceImpl.completeTask(id, userIdSp, "true");//审批后,任务列表数据减少
    // } //设置流程变量
    //设置流程变量【基本类型】
    public void setTasksVar() {
    List<Task> lists = activitiServiceImpl.findTasksByUserId("sly1");
    for(Task task : lists) {//不知为何,变量保存成功,但数据表只有请假天数含有任务id,单获取流程变量时,根据任务id均可获取到(如下一测试)
    taskService.setVariable(task.getId(), "请假人", "sly1");
    taskService.setVariableLocal(task.getId(), "请假天数",3);
    taskService.setVariable(task.getId(), "请假日期", new Date());
    }
    } // //获取流程变量
    // @Test
    // public void getTasksVar() {
    // List<Task> lists = activitiServiceImpl.findTasksByUserId("sly1");
    // for(Task task : lists) {
    // //获取流程变量【基本类型】
    // String person = (String) taskService.getVariable(task.getId(), "请假人");
    // Integer day = (Integer) taskService.getVariableLocal(task.getId(), "请假天数");
    // Date date = (Date) taskService.getVariable(task.getId(), "请假日期");
    //
    // System.out.println("流程变量:"+person+"||"+day+"||"+date+"||");
    // }
    // }
    //
    // //设置流程变量【实体】
    // @Test
    // public void setTasksVarEntity() {
    // List<Task> lists = activitiServiceImpl.findTasksByUserId("sly1");
    // for(Task task : lists) {
    // Person p = new Person();
    // p.setName("翠花");
    // p.setId(20);
    // p.setDate();;
    // p.setNote("回去探亲,一起吃个饭123");
    // taskService.setVariable(task.getId(), "人员信息(添加固定版本)", p);
    //
    // System.out.println("设置流程变量成功!");
    // }
    // }
    //
    // //获取流程变量【实体】 实体必须序列化
    // @Test
    // public void getTasksVarEntity() {
    // List<Task> lists = activitiServiceImpl.findTasksByUserId("sly1");
    // for(Task task : lists) {
    // // 2.获取流程变量,使用javaBean类型
    // Person p = (Person)taskService.getVariable(task.getId(), "人员信息(添加固定版本)");
    // System.out.println(" 请假人: "+p.getName()+" 请假天数: "+p.getId()+" 请假时间:"+ p.getDate()+ " 请假原因: "+p.getNote());
    // }
    // }
    //
    //
    // //生成流程图---232501
    // @RequestMapping("/queryProImg")
    // public void queryProImg() throws Exception {
    // activitiServiceImpl.queryProImg("232501");
    // } //生成流程图(高亮)---232501
    @RequestMapping("/queryProHighLighted")
    public @ResponseBody String queryProHighLighted(String proInsId) throws Exception {
    String imageByteArray = activitiServiceImpl.queryProHighLighted(proInsId);
    return imageByteArray;
    }
    //
    // /**
    // * 查询流程变量的历史表,可以根据变量名称查询该变量的所有历史信息
    // */
    // @Test
    // public void findHistoryProcessVariables(){
    // List<HistoricVariableInstance> list = historyService.createHistoricVariableInstanceQuery()//创建一个历史的流程变量查询对象
    // .variableName("请假天数")
    // .list();
    // if (list!=null &&list.size()>0) {
    // for (HistoricVariableInstance hvi : list) {
    // System.out.println(hvi.getId()+" "+hvi.getProcessInstanceId()+" "+hvi.getVariableName()
    // +" "+hvi.getVariableTypeName()+" "+hvi.getValue());
    // System.out.println("########################################");
    // }
    // }
    //
    // }
    //
    //
    // /**
    // * 历史流程实例查询
    // * http://blog.csdn.net/luckyzhoustar/article/details/48652783
    // */
    // @Test
    // public void findHistoricProcessInstance() {
    // // 查询已完成的流程
    // List<HistoricProcessInstance> datas = historyService
    // .createHistoricProcessInstanceQuery().finished().list();
    // System.out.println("使用finished方法:" + datas.size());
    // // 根据流程定义ID查询
    // datas = historyService.createHistoricProcessInstanceQuery()
    // .processDefinitionId("processDefinitionId").list();
    // System.out.println("使用processDefinitionId方法: " + datas.size());
    // // 根据流程定义key(流程描述文件的process节点id属性)查询
    // datas = historyService.createHistoricProcessInstanceQuery()
    // .processDefinitionKey("processDefinitionKey").list();
    // System.out.println("使用processDefinitionKey方法: " + datas.size());
    // // 根据业务主键查询
    // datas = historyService.createHistoricProcessInstanceQuery()
    // .processInstanceBusinessKey("processInstanceBusinessKey").list();
    // System.out.println("使用processInstanceBusinessKey方法: " + datas.size());
    // // 根据流程实例ID查询
    // datas = historyService.createHistoricProcessInstanceQuery()
    // .processInstanceId("processInstanceId").list();
    // System.out.println("使用processInstanceId方法: " + datas.size());
    // // 查询没有完成的流程实例
    // historyService.createHistoricProcessInstanceQuery().unfinished().list();
    // System.out.println("使用unfinished方法: " + datas.size());
    // }
    //
    // /**
    // * 历史任务查询
    // * @throws ParseException
    // */
    // @Test
    // public void findHistoricTasks() throws ParseException {
    // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    //
    // //历史数据查询
    // List<HistoricTaskInstance> datas = historyService.createHistoricTaskInstanceQuery()
    // .finished().list();
    // System.out.println("使用finished方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .processDefinitionId("processDefinitionId").list();
    // System.out.println("使用processDefinitionId方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .processDefinitionKey("testProcess").list();
    // System.out.println("使用processDefinitionKey方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .processDefinitionName("testProcess2").list();
    // System.out.println("使用processDefinitionName方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .processFinished().list();
    // System.out.println("使用processFinished方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .processInstanceId("processInstanceId").list();
    // System.out.println("使用processInstanceId方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .processUnfinished().list();
    // System.out.println("使用processUnfinished方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .taskAssignee("crazyit").list();
    // System.out.println("使用taskAssignee方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .taskAssigneeLike("%zy%").list();
    // System.out.println("使用taskAssigneeLike方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .taskDefinitionKey("usertask1").list();
    // System.out.println("使用taskDefinitionKey方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .taskDueAfter(sdf.parse("2020-10-11 06:00:00")).list();
    // System.out.println("使用taskDueAfter方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .taskDueBefore(sdf.parse("2022-10-11 06:00:00")).list();
    // System.out.println("使用taskDueBefore方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .taskDueDate(sdf.parse("2020-10-11 06:00:00")).list();
    // System.out.println("使用taskDueDate方法查询:" + datas.size());
    // datas = historyService.createHistoricTaskInstanceQuery()
    // .unfinished().list();
    // System.out.println("使用unfinished方法查询:" + datas.size());
    // }
    // /**
    // * 历史行为查询
    // * 流程在进行过程中,每每走一个节点,都会记录流程节点的信息,包括节点的id,名称、类型、时间等,保存到ACT_HI_ACTINST表中。
    // * @throws ParseException
    // */
    // @Test
    // public void findHistoricActivityInstance() {
    // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    //
    // //查询数据
    // List<HistoricActivityInstance> datas = historyService.createHistoricActivityInstanceQuery()
    // .activityId("endevent1").list();
    // System.out.println("使用activityId查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery()
    // .activityInstanceId(datas.get(0).getId()).list();
    // System.out.println("使用activityInstanceId查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery()
    // .activityType("intermediateSignalCatch").list();
    // System.out.println("使用activityType查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery()
    // .executionId("executionId").list();
    // System.out.println("使用executionId查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery().finished().list();
    // System.out.println("使用finished查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery()
    // .processInstanceId("processInstanceId").list();
    // System.out.println("使用processInstanceId查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery()
    // .taskAssignee("crazyit").list();
    // System.out.println("使用taskAssignee查询:" + datas.size());
    // datas = historyService.createHistoricActivityInstanceQuery().unfinished().list();
    // System.out.println("使用unfinished查询:" + datas.size());
    // }
    //
    // /**
    // * 历史流程明细查询
    // * 在流程进行的过程中,会产生许多明细数据,只有将History设置为最高级别的时候,才会被记录到ACT_HI_DETAIL表中。
    // * @throws ParseException
    // */
    // @Test
    // public void findHistoricDetail() {
    // // 查询历史行为
    // HistoricActivityInstance act = historyService.createHistoricActivityInstanceQuery()
    // .activityName("First Task").finished().singleResult();
    // List<HistoricDetail> datas = historyService.createHistoricDetailQuery()
    // .activityInstanceId(act.getId()).list();
    // System.out.println("使用activityInstanceId方法查询:" + datas.size());
    // datas = historyService.createHistoricDetailQuery().excludeTaskDetails().list();
    // System.out.println("使用excludeTaskDetails方法查询:" + datas.size());
    // datas = historyService.createHistoricDetailQuery().formProperties().list();
    // System.out.println("使用formProperties方法查询:" + datas.size());
    // datas = historyService.createHistoricDetailQuery().processInstanceId("processInstanceId").list();
    // System.out.println("使用processInstanceId方法查询:" + datas.size());
    // datas = historyService.createHistoricDetailQuery().taskId("taskId").list();
    // System.out.println("使用taskId方法查询:" + datas.size());
    // datas = historyService.createHistoricDetailQuery().variableUpdates().list();
    // System.out.println("使用variableUpdates方法查询:" + datas.size());
    // } }

    启动流程、用户任务task查询、业务处理、流程进度查看等等,历史流程查看功能没有验证过,这部分代码是注释掉的

    5、页面实现
      在templates放置显示页面,可自己根据喜好放置,我这里主要是跟controller里返回的路径对应

      model文件夹下放的是模型列表页和用户任务列表页,form.html已经废弃,改为上面的activitiForm里面的form页面,不同的页面对应不同流程节点

      
    list.html模型列表页

  • <!DOCTYPE html>
    <html lang="zh" xmlns:th="http://www.thymeleaf.org">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="/static/js/jquery.min.js"></script>
    <script th:inline="javascript">
    function deployment(obj){
    var id=obj.attributes['objectid'].nodeValue;
    $.ajax({
    url:"/models/deployment/"+id,
    type:"GET",
    success:function(res){
    alert(res);
    }
    }); } function deleteProcess(obj){
    var id=obj.attributes['objectid'].nodeValue;
    $.ajax({
    url:"/models/delete/"+id,
    type:"GET",
    success:function(res){
    alert(res);
    } }); } function start(obj){
    var id=obj.attributes['objectid'].nodeValue;
    $.ajax({
    url:'/models/start/'+id,
    type:'GET',
    success:function(res){
    alert(res);
    }
    }); } function taskList(){
    $("#taskList").submit();
    }
    </script>
    </head>
    <body>
    <div class="info"><span th:text="${info}"></span></div>
    <a href="/models/create">新建</a>
    <form id="taskList" action="/activiti/queryTaskSl">
    <div>
    <div style="float:left;width:50%;">
    <select id="userId" name="userId">
    <option value="userzhou">userzhou</option>
    <option value="usertest">usertest</option>
    </select>
    </div>
    <div style="width:50%;">
    <button onclick="taskList();">任务列表</button>
    </div>
    </div>
    </form> <table class="table">
    <thead>
    <tr>
    <th>ID</th>
    <th>模型名称</th>
    <th>key</th>
    <th>版本</th>
    <th>部署ID</th>
    <th>创建时间</th>
    <th>最后更新时间</th>
    <th>操作</th>
    </tr>
    </thead>
    <tbody>
    <tr th:each="data : ${models}">
    <td th:text="${data.id}"></td>
    <td><a th:href="@{/static/modeler.html(modelId=${data.id})}" class="font-blue" th:text="${data.name}"></a>
    </td>
    <td th:text="${data.key}"></td>
    <td th:text="${data.version}"></td>
    <td th:text="${data.deploymentId}"></td>
    <td th:text="${data.createTime}"> 2018-02-25 17:28:35</td>
    <td th:text="${data.lastUpdateTime}"> 2018-02-25 17:28:35</td>
    <td><a href="javascript:void(0);" onclick="deployment(this);" th:attrappend="objectId=${data.id}" lass="font-blue deployBtn">发布</a>
    <a th:href="${'/activiti/start/'+data.key}" th:attrappend="objectId=${data.id}" lass="font-blue deployBtn">发起流程</a>
    <a th:href="@{/crm/model/export/{modelId}(modelId=${data.id})}" class="font-blue">导出</a>
    <a href="javascript:void(0);" onclick="deleteProcess(this);" th:attrappend="objectId=${data.id}" class="font-blue delBtn">删除</a></td>
    </tr>
    </tbody>
    </table>
    </body>
    </html>


    taskList.html任务列表页

    <!DOCTYPE html>
    <html lang="zh" xmlns:th="http://www.thymeleaf.org">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="/static/js/jquery.min.js"></script>
    </head>
    <body>
    <a href="/models/modelList"><button>返回模型列表页</button></a>
    <div>
    <span th:text="'用户:'+${userId}"></span>
    <table>
    <thead>
    <tr>
    <th>ID</th>
    <th>任务名称</th>
    <th>受理人</th>
    <th>任务ID</th>
    <th>流程ID</th>
    <th>创建时间</th>
    <th>操作</th>
    </tr>
    </thead>
    <tbody>
    <tr th:each="data : ${tasks}">
    <td th:text="${data.id}">LeaveBill:1:4</td>
    <td th:text="${data.name}"></td>
    <td th:text="${data.assignee}">1</td>
    <td th:text="${data.taskDefinitionKey}"></td>
    <td th:text="${data.processDefinitionId}"></td>
    <td th:text="${data.createTime}"> 2018-02-25 17:28:35</td>
    <td>
    <a th:href="${'/activiti/form?id='+data.id+'&userId='+data.assignee}" th:attrappend="objectId=${data.id}" lass="font-blue deployBtn">处理</a>
    </td>
    </tr>
    </tbody>
    </table>
    </div>
    </body>
    </html>

    applyForm.html任务列表页

    <!DOCTYPE html>
    <html lang="zh" xmlns:th="http://www.thymeleaf.org">
    <head>
    <meta charset="UTF-8">
    <title>申请页面</title>
    <script src="/static/js/jquery.min.js"></script>
    <style>
    .title{
    text-align: center;
    }
    </style>
    <script>
    function showProcessImg(processInstanceId) {
    $.ajax({
    url:'/activiti/queryProHighLighted',
    type:'POST',
    data:{
    proInsId:processInstanceId
    },
    success:function(res){
    $("#processImg").attr('src',"data:image/png;base64,"+res);
    }
    })
    }
    function returnBack(userId){
    var form = $("<form></form>");
    form.attr("action","/activiti/queryTaskSl");
    form.attr("method","post"); var input = $("<input type='text' name='userId'/>")
    input.attr("value",userId);
    form.append(input); form.appendTo("body"); form.css("display","none"); form.submit(); }
    </script>
    </head>
    <body>
    <div class="title">申请表单</div>
    <a th:onclick="'javascript:returnBack(\''+${data.userId}+'\');'"><button>返回用户任务列表</button></a>
    <a href="javascript:void(0);" th:onclick="'javascript:showProcessImg(\''+${task.processInstanceId}+'\')'"><button>查看流程图</button></a>
    <form action="/activiti/completeTaskSl">
    <input type="hidden" id="id" name="id" th:value="${data.id}"/>
    <input type="hidden" id="userId" name="userId" th:value="${data.userId}"/>
    <input type="text" id="attr1" name="attr1"/>
    <button type="submit">提交</button>
    <button>取消</button>
    </form>
    <img src="" id="processImg"/>
    </body>
    </html>

     

    approveForm.html任务列表页

    <!DOCTYPE html>
    <html lang="zh" xmlns:th="http://www.thymeleaf.org">
    <head>
    <meta charset="UTF-8">
    <title>审批页面</title>
    <script src="/static/js/jquery.min.js"></script>
    <style>
    .title{
    text-align: center;
    }
    </style>
    <script>
    function showProcessImg(processInstanceId) {
    $.ajax({
    url:'/activiti/queryProHighLighted',
    type:'POST',
    data:{
    proInsId:processInstanceId
    },
    success:function(res){
    $("#processImg").attr('src',"data:image/png;base64,"+res);
    }
    })
    } function returnBack(userId){
    var form = $("<form></form>");
    form.attr("action","/activiti/queryTaskSl");
    form.attr("method","post"); var input = $("<input type='text' name='userId'/>")
    input.attr("value",userId);
    form.append(input); form.appendTo("body"); form.css("display","none"); form.submit(); }
    </script>
    </head>
    <body>
    <div class="title">审批表单</div>
    <a th:onclick="'javascript:returnBack(\''+${data.userId}+'\');'"><button>返回任务列表</button></a>
    <a href="javascript:void(0);" th:onclick="'javascript:showProcessImg(\''+${task.processInstanceId}+'\')'"><button>查看流程图</button></a>
    <form action="/activiti/completeTaskSl">
    <input type="hidden" id="id" name="id" th:value="${data.id}"/>
    <input type="hidden" id="userId" name="userId" th:value="${data.userId}"/>
    <input type="text" id="attr1" name="attr1"/>
    <button type="submit">提交</button>
    <button>取消</button>
    </form>
    <img src="" id="processImg"/>
    </body>
    </html>

  • 运行界面如下
    list.html列表页

    新建页面

    这里主要注意连个地方,assignments表示当前节点的处理人的id,我自己定义了两个用户userzhou和usertest,form key填写处理当前节点所用的form表单,也就是之前的applyForm和approveForm

  • 需要注意的地方

    1、去除activiti的security校验,修改application启动类
     @SpringBootApplication(scanBasePackages = {"com.djkj","org.activiti"} , exclude = { org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration.class, org.activiti.spring.boot.SecurityAutoConfiguration.class,}) 
    这是按照网上的写的,但还是存在校验,最后没办法在act_id_user里面加了一条数据,大家有解决的办法可以在下方给我评论,谢谢。

    springboot配置文件添加security.basic.enabled=false,未验证

    2、访问静态资源的时候,可能会被dispatcherservlet 给拦截掉,我是添加了个资源处理器,拦截static静态资源

    package com.djkj.activiti.common;
    
    import groovy.util.logging.Slf4j;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.web.servlet.config.annotation.EnableWebMvc;
    import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
    import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; @Configuration
    @Slf4j
    @EnableWebMvc
    public class StaticResourceConfig implements WebMvcConfigurer { @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
    registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
    } }

    3、关闭编辑器的时候可以自定义返回的页面
      修改editor-app\configuration下的toolbar-default-actions.js,有俩个地方closeEditor方法和$scope.saveAndClose方法,一个是关闭一个是保存并关闭,可以修改放回路径,对应的是controller里的路径

      closeEditor: function(services) {
    window.location.href = "/models/modelList";
    }, $scope.saveAndClose = function () {
    $scope.save(function() {
    window.location.href = "/models/modelList";
    });
    };

源码已经发到码云,各位可以去拉取
地址: https://gitee.com/zhouyun123/springBoot-activiti-modeler

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