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我一开始写连接数据库这部分时，没有想你这样直接出入一个callback，而是直接处理，这样的确容易阻塞。 后来我网上寻找到了你在这种方式，充分发挥nodejs的异步特性。效果真的不错。谢谢：）
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我一开始写连接数据库这部分时，没有想你这样直接出入一个callback，而是直接处理，这样的确容易阻塞。
后来我网上寻找到了你在这种方式，充分发挥nodejs的异步特性。效果真的不错。谢谢：）