<?xml version="1.0" encoding="UTF-8"?>

<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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" typeLanguage="http://www.w3.org/2001/XMLSchema"

    expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test">

    <process id="my-process">

        <!--startEvent/userTask都可以配置的表单项-->

        <!-- 1.activiti:formKey指定表单的key，也就是一个url，获取到这个值以后，

        后端可以设置一些算法，和逻辑，解析出所定义的模板 -->

        <startEvent id="start" activiti:formKey="/rest/process/form/start">

            <!--扩展属性，设置表单内容-->

            <extensionElements>

                <activiti:formProperty id="message" name="信息" type="string" required="true"/>

            </extensionElements>

        </startEvent>

        <sequenceFlow id="flow1" sourceRef="start" targetRef="someTask" />

        <userTask id="someTask" name="Activiti is awesome!"

                  activiti:formKey="/rest/process/form/userTask">

            <extensionElements>

                <activiti:formProperty id="yesORno" name="审批" type="string" required="true"/>

            </extensionElements>

        </userTask>

        <sequenceFlow id="flow2" sourceRef="someTask" targetRef="end" />

        <endEvent id="end" />

    </process>

</definitions>

public class FormServiceTest {

    private static final Logger LOGGER =  LoggerFactory.getLogger(FormServiceTest.class);

    @Rule

    public ActivitiRule activitiRule = new ActivitiRule();

    @Test

    @Deployment(resources = {"my-process-form.bpmn20.xml"})//部署定义文件

    public void testFormService(){

        FormService formService = activitiRule.getFormService();

        //获取流程定义文件

        ProcessDefinition processDefinition = activitiRule.getRepositoryService().createProcessDefinitionQuery().singleResult();

        //用formService获取前面在流程定义文件里的内容

        //获取startFormKey

        String startFormKey = formService.getStartFormKey(processDefinition.getId());

        LOGGER.info("startFormKey = {}",startFormKey);

        //获取表单内容（区分start还是task表单）,要先获取FromData，然后从中解析出表单的数量跟列表

        StartFormData startFormData = formService.getStartFormData(processDefinition.getId());

        //通过startFormData获取表单集合、列表

        List<FormProperty> formProperties = startFormData.getFormProperties();

        for (FormProperty formProperty : formProperties) {

            LOGGER.info("formProperty = {}",ToStringBuilder.reflectionToString(formProperty,ToStringStyle.JSON_STYLE));

        }

        //获取task内容.这里用到的getTaskFormData()需要获取TaskID但是只有流程启

        // 动后运行到Task才会有TaskID，所以在这里需要启动流程

        //假装一个表单提交需要用到的内容

        Map<String,String> properties = Maps.newHashMap();

        properties.put("message","my test message");

        //用提交表单的方式 启动流程

        ProcessInstance processInstance = formService.submitStartFormData(processDefinition.getId(), properties);

        //Task就会生成了，接着获取Task

        Task task = activitiRule.getTaskService().createTaskQuery().singleResult();

        //接着就可以获取Task表单了

        TaskFormData taskFormData = formService.getTaskFormData(task.getId());

        List<FormProperty> taskFormDataFormProperties = taskFormData.getFormProperties();

        for (FormProperty property : taskFormDataFormProperties) {

            LOGGER.info("property = {}",ToStringBuilder.reflectionToString(property,ToStringStyle.JSON_STYLE));

        }

        //让表单继续执行

        // 这里Task里的yesORno设的是必填属性，所以必须给予其值

        HashMap<String,String> properties1 = Maps.newHashMap();

        properties1.put("yesORno","yes");

        formService.submitTaskFormData(task.getId(),properties1);

        //查询一下表单是否还存在

        Task task1 = activitiRule.getTaskService().createTaskQuery().taskId(task.getId()).singleResult();

        LOGGER.info("task1 = {}",task1);

    }

}

ProcessEngine default created

startFormKey = /rest/process/form/start

formProperty = {"id":"message","name":"\u4FE1\u606F","type":"org.activiti.engine.impl.form.StringFormType@352c308","isRequired":true,"isReadable":true,"isWritable":true,"value":null}

property = {"id":"yesORno","name":"\u5BA1\u6279","type":"org.activiti.engine.impl.form.StringFormType@352c308","isRequired":true,"isReadable":true,"isWritable":true,"value":null}

task1 = null