过敏的原因很多, 但是症状差不多. 就是鼻子里血管扩张充血, 导致鼻子堵, 流鼻涕, 打喷嚏. 最快最有效的方法就是吸烟, 让烟从鼻子通过. 吸烟的效果就是收缩血管, 很快过敏的症状就可以被抑止了. 这是我特别研究的成果. 吸烟导致阳萎的理论估计就是这样来的. 不过不是JB吸烟, 所以是无效的理论. 就象拿脚气的药来治疗头皮屑一样的可笑.
singleton Scopes the bean definition to a single instance per Spring container (default). prototype Allows a bean to be instantiated any number of times (once per use). request Scopes a bean definition to an HTTP request. Only valid when used with a web capable Spring context (such as with Spring MVC). session Scopes a bean definition to an HTTP session. Only valid when used with a webcapableSpring context (such as with Spring MVC). global-session Scopes a bean definition to a global HTTP session. Only valid when used in a portlet context.
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