我用弹簧3.0.2 来做我的“在线考试”项目
将商业逻辑纳入服务层,使控制器易于感知。
如果发生坏事(例外),服务层能提供的最佳方式是告诉主计长部分(例外)
急于听到!
我用弹簧3.0.2 来做我的“在线考试”项目
将商业逻辑纳入服务层,使控制器易于感知。
如果发生坏事(例外),服务层能提供的最佳方式是告诉主计长部分(例外)
急于听到!
抛出自己的例外,然后,在控制器内捕捉它们,这样你就可以准确定义最佳行为
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