JAXB treets empty int XML attribute as 0, which is fine with me, but I\'ve got requirement to store it as a null. Seems I can\'t change DataConverterImpl class to custom implementation. What could be
目录一、说明二、示例和代码一、说明 到目前为止介绍的功能共享一对一的关系:即一个进程发送和一个进程接收。链接是通过标签建立的。本节介绍在多个进程中调用相同参数但执行不同操作的函数。对于一个进程,函数可能