查询数据

医手

于 2012-12-20 14:31:09 发布

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分类专栏： Google App Engine

本文链接：https://blog.youkuaiyun.com/youfayoutian/article/details/8349751

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class VImage(webapp.RequestHandler):
    def get(self):
        id = self.request.get('id')
        if id and len(id) > 0:
            id=int(id)
#            q = db.GqlQuery("SELECT * FROM Image WHERE ID = :1", id)
#            q=img.all()
#            q.filter("fileName =", name) # 等号前面的空格是必须的
#            r = q.fetch(1)
#            img = r[0]
            img = Image.get_by_id(id)
            if img:
#                id = img.key().id()
                self.response.headers['Content-Type'] = str(img.contentType)
                self.response.out.write(img.fileData)
                return
        YiShou.showMsg(self, "not find: %s" % (id,))