try {
//beanName 名称后面没有指定调用方法时。直接调用IToolAppAction.execute
int index = beanName.indexOf("#");
IToolAppAction action = ApplicationContextHolder.getBean(beanName, IToolAppAction.class);
if(index == -1) {
return action.execute(cloneProcessInstance, cloneActivityInst);
} else {
//反射调用bean指定的方法。
String methodName = beanName.substring(index + 1);
if("".equals(beanName))
throw new ProcessEngineException("IToolAppAction 实现类Bean："+beanName+"，没有指定方法名称");