【Activiti 基础篇四】流程变量设置与获取方式-白红宇

【Activiti 基础篇四】流程变量设置与获取方式

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发布时间：2019-02-25

本文共 3224 字，大约阅读时间需要 10 分钟。

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1. ???????

??????????????????????????????????????????JavaBean?????????String?Integer?Date??JavaBean???????????POJO???

2. ???????

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3. ?????????

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@Testpublic void setProcessVariables() {    String processInstanceId = "1704";    String assignee = "??";    TaskService taskService = processEngine.getTaskService();    Task task = taskService.createTaskQuery()        .processInstanceId(processInstanceId)        .taskAssignee(assignee)        .singleResult();    taskService.setVariable(task.getId(), "???", assignee);    taskService.setVariableLocal(task.getId(), "????", 3);    taskService.setVariable(task.getId(), "????", new Date());    System.out.println("????");}

JavaBean????

??JavaBean???????????????????POJO??????????

package cn.itcast.d_processVariables;import java.io.Serializable;public class Person implements Serializable {    private static final long serialVersionUID = 6757393795687480331L;    private Integer id;    private String name;    // ??get/set??}

??????JavaBean????????

@Testpublic void setProcessVariables() {    String processInstanceId = "1704";    String assignee = "??";    TaskService taskService = processEngine.getTaskService();    Task task = taskService.createTaskQuery()        .processInstanceId(processInstanceId)        .taskAssignee(assignee)        .singleResult();    Person p = new Person();    p.setId(1);    p.setName("huohuo");    taskService.setVariable(task.getId(), "????", p);    System.out.println("????");}

4. ?????????

??????????????????????JavaBean???????

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@Testpublic void getProcessVariables() {    String processInstanceId = "1701";    String assignee = "??";    TaskService taskService = processEngine.getTaskService();    Task task = taskService.createTaskQuery()        .processInstanceId(processInstanceId)        .taskAssignee(assignee)        .singleResult();    String person = (String) taskService.getVariable(task.getId(), "???");    Integer day = (Integer) taskService.getVariableLocal(task.getId(), "????");    Date date = (Date) taskService.getVariable(task.getId(), "????");    System.out.println(person + "  " + day + "   " + date);    System.out.println("????");}

JavaBean????

??JavaBean????????????

POJO?????Serializable???????????????????

POJO??????????????????????????????????????ID???????

?????JavaBean????????????

@Testpublic void getProcessVariables() {    String processInstanceId = "2601";    String assignee = "??";    TaskService taskService = processEngine.getTaskService();    Task task = taskService.createTaskQuery()        .processInstanceId(processInstanceId)        .taskAssignee(assignee)        .singleResult();    Person person = (Person) taskService.getVariable(task.getId(), "????");    System.out.println(person.getId() + "           " + person.getName());    System.out.println("????");}