@PathVariable只支持一个属性value,类型是为String,代表绑定的属性名称.默认不传递时,绑定为同名的形参. 用来便捷地提取URL中的动态参数.其英文注释如下: Annotation which indicates that a method parameter should be bound to a URI template variable. Supported for {@link RequestMapping} annotated handler methods in…