activiti请假流程系统--流程部署和定义，业务
用户信息和分组的表，按组分配权限。
管理员权限（流程部署管理，流程定义管理）
流程部署管理---上传流程部署文件，流程部署查询，删除流程部署
package com.java1234.controller; import java.util.List; import java.util.zip.ZipInputStream; import javax.annotation.Resource; import javax.servlet.http.HttpServletResponse; import org.activiti.engine.RepositoryService; import org.activiti.engine.repository.Deployment; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import com.java1234.entity.PageBean; import com.java1234.util.ResponseUtil; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import net.sf.json.JsonConfig; /** * 部署管理Controller * @author user * */ @Controller @RequestMapping("/deploy") public class DeployController { @Resource private RepositoryService repositoryService; /** * 上传流程部署文件 * @param deployFile * @param response * @return * @throws Exception */ @RequestMapping("/deploy") public String deploy(@RequestParam("deployFile") MultipartFile deployFile,HttpServletResponse response)throws Exception{ repositoryService.createDeployment() // 创建部署 .name(deployFile.getOriginalFilename()) // 流程名称 .addZipInputStream(new ZipInputStream(deployFile.getInputStream())) // 添加zip输入流 .deploy(); // 部署 JSONObject result=new JSONObject(); result.put("success", true); ResponseUtil.write(response, result); return null; } /** * 流程部署查询 * @param page * @param rows * @param s_name * @param response * @return * @throws Exception */ @RequestMapping("/list") public String list(@RequestParam(value="page",required=false)String page,@RequestParam(value="rows",required=false)String rows,String s_name,HttpServletResponse response)throws Exception{ if(s_name==null){ s_name=""; } PageBean pageBean=new PageBean(Integer.parseInt(page),Integer.parseInt(rows)); List<Deployment> deploymentList=repositoryService.createDeploymentQuery() // 创建流程部署查询 .orderByDeploymenTime().desc() // 根据部署时间降序排列 .deploymentNameLike("%"+s_name+"%") // 根据部署名称模糊查询 .listPage(pageBean.getStart(), pageBean.getPageSize()); // 返回带分页的结果集合 long total=repositoryService.createDeploymentQuery().deploymentNameLike("%"+s_name+"%").count(); // 获取总记录数 JsonConfig jsonConfig=new JsonConfig(); jsonConfig.setExcludes(new String[]{"resources"}); jsonConfig.registerJsonValueProcessor(java.util.Date.class, new DateJsonValueProcessor("yyyy-MM-dd hh:mm:ss")); JSONObject result=new JSONObject(); JSONArray jsonArray=JSONArray.fromObject(deploymentList,jsonConfig); result.put("rows", jsonArray); result.put("total", total); ResponseUtil.write(response, result); return null; } /** * 删除流程部署 * @param ids * @param response * @return * @throws Exception */ @RequestMapping("/delete") public String delete(@RequestParam(value="ids",required=false)String ids,HttpServletResponse response)throws Exception{ String []idsStr=ids.split(","); for(int i=0;i<idsStr.length;i++){ repositoryService.deleteDeployment(idsStr[i], true); } JSONObject result=new JSONObject(); result.put("success", true); ResponseUtil.write(response, result); return null; } }
流程定义管理---流程定义查询，查看流程图（通过任务ID，或者部署ID）
package com.java1234.controller; import java.io.InputStream; import java.io.OutputStream; import java.util.List; import javax.annotation.Resource; import javax.servlet.http.HttpServletResponse; import org.activiti.engine.HistoryService; import org.activiti.engine.RepositoryService; import org.activiti.engine.history.HistoricTaskInstance; import org.activiti.engine.repository.ProcessDefinition; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import com.java1234.entity.PageBean; import com.java1234.util.ResponseUtil; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import net.sf.json.JsonConfig; /** * 流程定义管理Controller * @author user * */ @Controller @RequestMapping("/processDefinition") public class ProcessDefinitionController { @Resource private RepositoryService repositoryService; @Resource private HistoryService historyService; /** * 流程定义查询 * @param page * @param rows * @param s_name * @param response * @return * @throws Exception */ @RequestMapping("/list") public String list(@RequestParam(value="page",required=false)String page,@RequestParam(value="rows",required=false)String rows,String s_name,HttpServletResponse response)throws Exception{ if(s_name==null){ s_name=""; } PageBean pageBean=new PageBean(Integer.parseInt(page),Integer.parseInt(rows)); List<ProcessDefinition> processDefinition=repositoryService.createProcessDefinitionQuery() // 创建流程流程定义查询 .orderByProcessDefinitionId().desc() // 根据流程定义id降序排列 .processDefinitionNameLike("%"+s_name+"%") // 根据流程定义名称模糊查询 .listPage(pageBean.getStart(), pageBean.getPageSize()); // 返回带分页的结果集合 long total=repositoryService.createProcessDefinitionQuery().processDefinitionNameLike("%"+s_name+"%").count(); // 获取总记录数 JsonConfig jsonConfig=new JsonConfig(); jsonConfig.setExcludes(new String[]{"identityLinks","processDefinition"}); JSONObject result=new JSONObject(); JSONArray jsonArray=JSONArray.fromObject(processDefinition,jsonConfig); result.put("rows", jsonArray); result.put("total", total); ResponseUtil.write(response, result); return null; } /** * 查看流程图 * @param deploymentId * @param diagramResourceName * @param response * @return * @throws Exception */ @RequestMapping("/showView") public String showView(String deploymentId,String diagramResourceName,HttpServletResponse response)throws Exception{ InputStream inputStream=repositoryService.getResourceAsStream(deploymentId, diagramResourceName); OutputStream out=response.getOutputStream(); for(int b=-1;(b=inputStream.read())!=-1;){ out.write(b); } out.close(); inputStream.close(); return null; } /** * 查看流程图 * @param deploymentId * @param diagramResourceName * @param response * @return * @throws Exception */ @RequestMapping("/showViewByTaskId") public String showViewByTaskId(String taskId,HttpServletResponse response)throws Exception{ HistoricTaskInstance hti=historyService.createHistoricTaskInstanceQuery().taskId(taskId).singleResult(); String processDefinitionId=hti.getProcessDefinitionId(); // 获取流程定义id ProcessDefinition pd=repositoryService.createProcessDefinitionQuery().processDefinitionId(processDefinitionId).singleResult(); InputStream inputStream=repositoryService.getResourceAsStream(pd.getDeploymentId(), pd.getDiagramResourceName()); OutputStream out=response.getOutputStream(); for(int b=-1;(b=inputStream.read())!=-1;){ out.write(b); } out.close(); inputStream.close(); return null; } }
请假申请业务（主要是发起请假申请，把业务ID放在流程变量中，启动流程(并完成学生填写请假单任务，返回流程实例ID, 流程变量存储在act_ru_variable act_hi_varinst)， 流程实例ID添加到业务表中;
通过任务id获取请假单，业务的增删改查略）
业务表结构
/** * 发起请假申请，修改请假单 * @param leaveId * @param response * @return * @throws Exception */ @RequestMapping("/startApply") public String startApply(Integer leaveId,HttpServletResponse response)throws Exception{ Map<String,Object> variables=new HashMap<String,Object>(); variables.put("leaveId", leaveId);//业务ID放在流程变量中 ProcessInstance pi= runtimeService.startProcessInstanceByKey("studentLeaveProcess",variables); // 启动流程,流程变量存储在act_ru_variable act_hi_varinst Task task=taskService.createTaskQuery().processInstanceId(pi.getProcessInstanceId()).singleResult(); // 根据流程实例Id查询任务 taskService.complete(task.getId()); // 完成 学生填写请假单任务 Leave leave=leaveService.findById(leaveId); leave.setState("审核中"); leave.setProcessInstanceId(pi.getProcessInstanceId()); //把流程实例ID添加到业务表中 leaveService.update(leave); // 修改请假单状态 JSONObject result=new JSONObject(); result.put("success", true); ResponseUtil.write(response, result); return null; } /** * 通过任务id获取请假单 * @param taskId * @param response * @return * @throws Exception */ @RequestMapping("/getLeaveByTaskId") public String getLeaveByTaskId(String taskId,HttpServletResponse response)throws Exception{ Integer leaveId=(Integer) taskService.getVariable(taskId, "leaveId"); Leave leave=leaveService.findById(leaveId); JSONObject result=new JSONObject(); result.put("leave", JSONObject.fromObject(leave)); ResponseUtil.write(response, result); return null; }
历史批注 通过流程实例id查询
/** * 历史批注 通过流程实例id查询 * @param processInstanceId * @param response * @return * @throws Exception */ @RequestMapping("/listHistoryCommentWithProcessInstanceId") public String listHistoryCommentWithProcessInstanceId(String processInstanceId,HttpServletResponse response)throws Exception{ if(processInstanceId==null){ return null; } List<Comment> commentList=taskService.getProcessInstanceComments(processInstanceId); Collections.reverse(commentList); // 集合元素反转 JsonConfig jsonConfig=new JsonConfig(); jsonConfig.registerJsonValueProcessor(java.util.Date.class, new DateJsonValueProcessor("yyyy-MM-dd hh:mm:ss")); JSONObject result=new JSONObject(); JSONArray jsonArray=JSONArray.fromObject(commentList,jsonConfig); result.put("rows", jsonArray); ResponseUtil.write(response, result); return null; }
