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1.新建一个动态的web项目
2.在lib目录下加入以下jar包（由于用到fileupload的上传，所以还要加入fileupload的依赖库）
引用
*JBPM4_HOME/jbpm.jar
*JBPM4_HOME/lib/*.jar
*jakarta-taglibs-standard-1.1.2_HOME/lib/jstl.jar
*jakarta-taglibs-standard-1.1.2_HOME/lib/standard.jar
*commons-fileupload-1.2.1_HOME/lib/commons-fileupload-1.2.1.jar
3.绘制流程图（在resources目录下建立一个leave.jpdl.xml文件）
&?xml version="1.0" encoding="UTF-8"?&
&process name="leave" xmlns="http://jbpm.org/4.0/jpdl"&
&start g="201,14,48,48" name="开始"&
&transition g="-42,-10" name="请假" to="填写请假单"/&
&task assignee="Kayzhan" g="178,87,92,52" name="填写请假单"&
&transition g="-97,2" name="判断是不是经理" to="是不是经理"/&
&decision expr="#{manager}" g="204,158,48,48" name="是不是经理"&
&transition g="-23,-11" name="否" to="经理审核"/&
&transition g="14,-11" name="是" to="老板审批"/&
&/decision&
&task assignee="Lingo" g="103,252,92,52" name="经理审核"&
&transition g="150,450:10,-21" name="经理批准" to="结束"/&
&transition g="-22,-22" name="请假天数&3" to="老板审批"/&
&transition g="-61,-1" name="经理不批准" to="终止"/&
&transition g="149,114:-55,82" name="经理驳回" to="填写请假单"/&
&task assignee="ForgetDavi" g="278,251,92,52" name="老板审批"&
&transition g="326,450:-58,-24" name="老板批准" to="结束"/&
&transition g="7,0" name="老板不批准" to="终止"/&
&transition g="323,114:13,61" name="老板驳回" to="填写请假单"/&
&end g="219,429,48,48" name="结束" state="confirm"/&
&end g="220,360,48,48" name="终止" state="dissent"/&
&/process&
4.编写流程发布及控制的类
import java.io.IOE
import java.lang.reflect.M
import java.util.ArrayL
import java.util.HashM
import java.util.I
import java.util.LinkedHashM
import java.util.L
import java.util.M
import java.util.S
import java.util.zip.ZipInputS
import javax.servlet.ServletC
import javax.servlet.ServletE
import javax.servlet.http.HttpS
import javax.servlet.http.HttpServletR
import javax.servlet.http.HttpServletR
import org.apache.commons.fileupload.DiskFileU
import org.apache.commons.fileupload.FileI
import org.jbpm.api.C
import org.jbpm.api.E
import org.jbpm.api.ExecutionS
import org.jbpm.api.ProcessD
import org.jbpm.api.ProcessDefinitionQ
import org.jbpm.api.ProcessE
import org.jbpm.api.ProcessI
import org.jbpm.api.RepositoryS
import org.jbpm.api.TaskS
import org.jbpm.api.task.T
* Servlet implementation class LeaveServlet
public class LeaveServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private ProcessEngine processEngine =
private RepositoryService repositoryService =
private ExecutionService executionService =
private ProcessInstance processInstance =
private TaskService taskService =
private Task task =
private Execution execution =
private String url =
private List list =
private List&Task& taskList =
/* 初始化ProcessEngine. */
public void init(ServletConfig config) throws ServletException {
super.init(config);
// 获取流程引擎
processEngine = new Configuration().buildProcessEngine();
repositoryService = processEngine.getRepositoryService();
executionService = processEngine.getExecutionService();
taskService = processEngine.getTaskService();
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
process(request, response);
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
process(request, response);
protected void process(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String zzg = request.getParameter("zzg");
if (zzg.equals("deploy")) {
deploy(request, response);
} catch (Exception e) {
e.printStackTrace();
list = getLatestProcessDefinition(request, response);
request.setAttribute("process", list);
request.getRequestDispatcher("/index.jsp").forward(request,
response);
} else if (zzg.equals("leave")) {
url = leave(request, response);
request.getRequestDispatcher(url).forward(request, response);
} else if (zzg.equals("query")) {
list = getProcessInstanceById(request, response);
request.setAttribute("pi", list);
request.getRequestDispatcher("/index.jsp").forward(request,
response);
} else if (zzg.equals("apply")) {
apply(request, response);
list = getProcessInstanceById(request, response);
request.setAttribute("pi", list);
request.getRequestDispatcher("/index.jsp").forward(request,
response);
} else if (zzg.equals("getTask")) {
list = getTask(request, response);
request.setAttribute("taskList", list);
request.getRequestDispatcher("/check.jsp").forward(request,
response);
} else if (zzg.equals("view")) {
Map&String, Object& map = view(request, response);
request.setAttribute("map", map);
request.getRequestDispatcher("/view.jsp")
.forward(request, response);
} else if (zzg.equals("confirm")) {
confirm(request, response);
list = getTask(request, response);
request.setAttribute("taskList", list);
request.getRequestDispatcher("/check.jsp").forward(request,
response);
} else if (zzg.equals("dissent")) {
dissent(request, response);
list = getTask(request, response);
request.setAttribute("taskList", list);
request.getRequestDispatcher("/check.jsp").forward(request,
response);
* try { Class clz = this.getClass(); Method method =
* clz.getDeclaredMethod(action, HttpServletRequest.class,
* HttpServletResponse.class); method.invoke(this, request, response); }
* catch (Exception ex) { ex.printStackTrace(); }
protected void deploy(HttpServletRequest request,
HttpServletResponse response) throws Exception, IOException {
String temp = getServletContext().getRealPath("/temp");
String upload = getServletContext().getRealPath("/upload");
DiskFileUpload diskFileUpload = new DiskFileUpload();
diskFileUpload.setFileSizeMax(1 * 1024 * 1024);
diskFileUpload.setSizeThreshold(4096);
diskFileUpload.setRepositoryPath(temp);
List fileItems = diskFileUpload.parseRequest(request);
Iterator iter = fileItems.iterator();
if (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
if (!item.isFormField()) {
String name = item.getName();
long size = item.getSize();
System.out.println("name: " + name + "&size:" + size);
if (name != null && !name.equals("") && size & 0) {
// Deploying a process部署流程
repositoryService.createDeployment()
.addResourcesFromZipInputStream(
new ZipInputStream(item.getInputStream()))
.deploy();
protected String leave(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// 根据流程定义的KEY值启动一个新的流程实例
processInstance = executionService.startProcessInstanceByKey("leave");
//判断流程定义的活动是否是“填写请假单”的活动
if (processInstance.isActive("填写请假单")) {
url = "/apply.jsp";
protected Map&String, Object& apply(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
Map&String, Object& variables = new HashMap&String, Object&();
String name = request.getParameter("applyName");
String time = request.getParameter("applyTime");
String leaveDay = request.getParameter("leaveDay");
String content = request.getParameter("content");
String position = request.getParameter("position");
variables.put("name", name);
variables.put("time", time);
variables.put("leaveDay", leaveDay);
variables.put("content", content);
variables.put("position", position);
if (position.trim().equals("经理")) {
//"manager"变量名与leave.jpdl.xml中decision里面的变量一致，同时设置的值也要保持一致
variables.put("manager", "是");
variables.put("manager", "否");
//获取任务列表，因为我们在填写请假单的时候是分配给“zzg”的，见leave.jpdl.xml
taskList = taskService.findPersonalTasks("zzg");
//根据任务列表获取任务
task = taskList.get(0);
//把设置好的变量放到任务服务里面并根据任务ID结束任务
taskService.setVariables(task.getId(), variables);
taskService.completeTask(task.getId());
//判断任务活动是否到达老板审批活动
execution = executionService.findExecutionById(task.getExecutionId());
System.out.println("isActive:
+ execution.getProcessInstance().isActive("老板审批"));
* 获取任务列表
* @param request
* @param response
* @throws ServletException
* @throws IOException
protected List&Task& getTask(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String name = request.getParameter("name");
taskList = taskService.findPersonalTasks(name);
return taskL
* 查看任务
* @param request
* @param response
* @throws ServletException
* @throws IOException
protected Map&String, Object& view(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String taskId = request.getParameter("id");
Set&String& set = taskService.getVariableNames(taskId);
Map&String, Object& map = taskService.getVariables(taskId, set);
protected void confirm(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String taskId = request.getParameter("id");
task = taskService.getTask(taskId);
execution = executionService.findExecutionById(task.getExecutionId());
if (execution.getProcessInstance().isActive("老板审批")) {
taskService.completeTask(taskId, "老板批准");
} else if (execution.getProcessInstance().isActive("经理审核")) {
String variable = (String) taskService.getVariable(taskId,
"leaveDay");
if (Integer.valueOf(variable) & 3) {
taskService.completeTask(taskId, "请假天数&3");
taskService.completeTask(taskId, "经理批准");
protected void dissent(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String taskId = request.getParameter("id");
task = taskService.getTask(taskId);
execution = executionService.findExecutionById(task.getExecutionId());
if (execution.getProcessInstance().isActive("老板审批")) {
taskService.completeTask(taskId, "老板不批准");
} else if (execution.getProcessInstance().isActive("经理审核")) {
taskService.completeTask(taskId, "经理不批准");
* 获取最新版本的流程定义
* @param request
* @param response
* @throws ServletException
* @throws IOException
protected List&ProcessDefinition& getLatestProcessDefinition(
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
List&ProcessDefinition& processDefinitions = repositoryService
.createProcessDefinitionQuery().orderAsc(
ProcessDefinitionQuery.PROPERTY_NAME).list();
Map&String, ProcessDefinition& map = new LinkedHashMap&String, ProcessDefinition&();
for (ProcessDefinition pd : processDefinitions) {
String key = pd.getKey();
ProcessDefinition definition = map.get(key);
if ((definition == null)
|| (definition.getVersion() & pd.getVersion())) {
map.put(key, pd);
return new ArrayList(map.values());
* 根据流程定义ID获取流程实例
* @param request
* @param response
* @throws ServletException
* @throws IOException
protected List&ProcessInstance& getProcessInstanceById(
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String pdId = request.getParameter("id");
return executionService.createProcessInstanceQuery()
.processDefinitionId(pdId).list();
5.在webapp目录下创建一个index.jsp页面，用来发布流程、显示流程定义及流程实例
&%@page contentType="text/charset=UTF-8" %&
&%@page import="org.jbpm.api.*" %&
&%@page import="java.util.*" %&
&%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%&
&title&jBPM4流程发布&/title&
&form action="leave?zzg=deploy" method="POST" enctype="multipart/form-data"&
&input type="file" name="upload"&
&input type="submit" value="发布"&
&li&&a href="leave?zzg=leave"&请假&/a&&/li&
&li&&a href="leave?zzg=getTask&name=Lingo" target="_blank"&经理的任务列表&/a&&/li&
&li&&a href="leave?zzg=getTask&name=ForgetDavi" target="_blank"&老板的任务列表&/a&&/li&
&table width=480 border=1&
&tr&&td colspan="5"&流程定义&/td&&/tr&
&td&ID&/td&
&td&Key&/td&
&td&名称&/td&
&td&版本&/td&
&td&操作&/td&
&c:forEach var="process" items="${process}"&
&td&${process.id}&/td&
&td&${process.key}&/td&
&td&${process.name}&/td&
&td&${process.version}&/td&
&td&&a href="leave?zzg=query&id=${process.id }"&查看&/a&&/td&
&/c:forEach&
&table width=480 border=1&
&tr&&td colspan="5"&流程实例&/td&&/tr&
&td&ID&/td&
&td&Key&/td&
&td&状态&/td&
&c:forEach var="pi" items="${pi}"&
&td&${pi.id}&/td&
&td&${pi.key}&/td&
&td&${pi.state}&/td&
&/c:forEach&
6.在webapp目录创建一个apply.jsp页面，用来填写请假单
&%@page contentType="text/charset=UTF-8" %&
&title&填写申请单&/title&
&form action="leave?zzg=apply" method="POST"&
&table width="300" border=1&
&td&&label&申请人&/label&&/td&
&td&&input type="text" value="zzg" name="applyName"&&/td&
&td&&label&职位&/label&&/td&
&td&&input type="text" value="经理" name="position"&&/td&
&td&&label&申请时间&/label&&/td&
&td&&input type="text" value="" name="applyTime"&&/td&
&td&&label&请假天数&/label&&/td&
&td&&input type="text" value="3" name="leaveDay"&&/td&
&td&&label&请假原因&/label&&/td&
&td&&textarea name="content" rows=3 cols=200&病假&/textarea&&/td&
&td&&input type="submit" value="申请"&&/td&
&td&&input type="reset" value="取消"&&/td&
7.在webapp目录下创建一个check.jsp文件，用来显示任务列表并添加三个操作
&%@page contentType="text/charset=UTF-8" %&
&%@page import="org.jbpm.api.*" %&
&%@page import="java.util.*" %&
&%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%&
&title&请假审批&/title&
&table width=600 border=1&
&tr&&td colspan="8"&任务列表&/td&&/tr&
&td&ID&/td&
&td&名称&/td&
&td&分配人&/td&
&td&创建时间&/td&
&td&持续时间&/td&
&td&优先级&/td&
&td&描述&/td&
&td&操作&/td&
&c:forEach var="task" items="${taskList}"&
&td&${task.id}&/td&
&td&${task.name}&/td&
&td&${task.assignee}&/td&
&td&${task.createTime}&/td&
&td&${task.duedate}&/td&
&td&${task.priority}&/td&
&td&${task.description}&/td&
&a href="leave?zzg=view&id=${task.id }" target="_blank"&审核&/a&
&a href="leave?zzg=confirm&id=${task.id }&name=${task.assignee}"&批准&/a&
&a href="leave?zzg=dissent&id=${task.id }&name=${task.assignee}"&不批准&/a&
&/c:forEach&
8.在webapp目录下创建一个view.jsp文件，用来显示请假内容
&%@page contentType="text/charset=UTF-8" %&
&%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%&
&title&审核&/title&
&table width="300" border=1&
&td&&label&申请人&/label&&/td&
&td&${map.name }&/td&
&td&&label&职位&/label&&/td&
&td&${map.position }&/td&
&td&&label&申请时间&/label&&/td&
&td&${map.time }&/td&
&td&&label&请假天数&/label&&/td&
&td&${map.leaveDay }&/td&
&td&&label&请假内容&/label&&/td&
&td&${map.content }&/td&
8.修改web.xml
&?xml version="1.0" encoding="UTF-8"?&
&web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"&
&display-name&LeaveJbpm&/display-name&
&description&
&/description&
&display-name&LeaveServlet&/display-name&
&servlet-name&LeaveServlet&/servlet-name&
&servlet-class&
zzg.LeaveServlet&/servlet-class&
&/servlet&
&servlet-mapping&
&servlet-name&LeaveServlet&/servlet-name&
&url-pattern&/leave&/url-pattern&
&/servlet-mapping&
&welcome-file-list&
&welcome-file&index.jsp&/welcome-file&
&/welcome-file-list&
&/web-app&
9.把leave.jpdl.xml文件压缩成zip文件发布即可。
浏览 46502
lynnlysh 写道在研究这个例子可是在点击申请后出现 java.lang.IndexOutOfBoundsException: Index: 0, Size: 0据我所查就是taskList = taskService.findPersonalTasks("zzg");&& 这句有问题可是怎么改呀？是否是除此之外的别的问题呢？数据库中有提交过的痕迹但是状态却是“active-root”能否帮帮我呀~~~*******************忧郁的分割线****************我终于知道怎么回事了，大家在部署此项目时要将leave.jpdl.xml中的assignee="Kayzhan"改为assignee=“zzg”因为申请过程的servlet中就用的"zzg"做为申请人。由此可见，照搬项目时要动脑子啊~~~~我的改过之后，还是出现一样的问题
相关的Hibernate和JBPM配置文件呢？
我把leave.jpdl.xml压缩成ZIP部署怎么在数据库里name属性是null？
在研究这个例子可是在点击申请后出现
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
据我所查就是taskList = taskService.findPersonalTasks("zzg");&& 这句有问题
可是怎么改呀？是否是除此之外的别的问题呢？
数据库中有提交过的痕迹但是状态却是“active-root”
能否帮帮我呀~~~
*******************忧郁的分割线****************
我终于知道怎么回事了，大家在部署此项目时要将leave.jpdl.xml中的assignee="Kayzhan"改为assignee=“zzg”因为申请过程的servlet中就用的"zzg"做为申请人。
由此可见，照搬项目时要动脑子啊~~~~
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wkl17 写道我想知道@Override这个标识是必须的吗? ...
讲的蛮清楚的
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