1、Data objects

<dataObject id="dObj1" name="StringTest" itemSubjectRef="xsd:string"/>
<dataObject id="dObj2" name="BooleanTest" itemSubjectRef="xsd:boolean"/>
<dataObject id="dObj3" name="DateTest" itemSubjectRef="xsd:datetime"/>
<dataObject id="dObj4" name="DoubleTest" itemSubjectRef="xsd:double"/>
<dataObject id="dObj5" name="IntegerTest" itemSubjectRef="xsd:int"/>
<dataObject id="dObj6" name="LongTest" itemSubjectRef="xsd:long"/>

<process id="dataObjectScope" name="Data Object Scope" isExecutable="true">
  <dataObject id="dObj123" name="StringTest123" itemSubjectRef="xsd:string">
    <extensionElements>
      <flowable:value>Testing123</flowable:value>
    </extensionElements>
  </dataObject>
  ...

SELECT * FROM flowable.act_ru_execution;
SELECT * FROM flowable.act_ru_task;

public void getVariablesLocal() {
		String executionId = "32508";
		Map<String, Object> vars = runtimeService.getVariables(executionId);
		for (Map.Entry<String, Object> entity: vars.entrySet()) {
      	  String key = entity.getKey();
      	  Object value = entity.getValue();
      	  System.out.println("============获取流程变量：【key:" + key + "】,【value:" + value + "】============");
        }
}

public void complete() {
		String taskId = "7505";
		taskService.complete(taskId);
}