activiti会签直接写死人员

设置：

${test.resolve(execution,"张三,李四")}

需要提供java方法：

@Component
public class Test {
    /**
     * 会签时，动态获取审批人
     * @param execution
     * @return
     */
    public List<String> resolve(DelegateExecution execution, String value) {
        System.out.println(value);
        String[] user = value.split(",");
        String instanceId = execution.getProcessInstanceId();
        System.out.println("实例id:"+instanceId);
        List<String> users = Arrays.asList(user);
        return users;
    }
}