使用ToroPHP创建Restful api的示例； 具体见blog：http://dxjia.cn/2016/04/14/write-restful-api-in-blog-space/
http://api.dxjia.cn/v0
http://api.dxjia.cn/v0/users
http://api.dxjia.cn/v0/users/10001
http://api.dxjia.cn/v0/users/10001/book/God
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