https://ruby-china.org/fwl123456 en-us <p><img src="https://l.ruby-china.com/photo/2019/ce4079da-8f7f-4822-b671-9adab13608dd.jpg!large" title="" alt=""></p> <p>如图所示，接口返回显示图片，代码测试返回一串 16 进制字符串，我如何才能把这个 16 进制字符串装换为图片保存到数据库呢？<img src="https://l.ruby-china.com/photo/2019/4e0be4a7-46ce-42f0-8c06-585a2bcdc8bb.jpg!large" title="" alt=""></p> fwl123456 Mon, 09 Sep 2019 12:57:33 +0800 https://ruby-china.org/topics/39028 https://ruby-china.org/topics/39028