uuid模块
由时间戳以及某种算法组合而成,会产生一串世界上独一无二的随机字符串
<span>import</span><span> time </span><span>import</span><span> <a href="https://www.gaodaima.com/tag/uuid" title="查看更多关于uuid的文章" target="_blank">uuid</a> <br><span># 每次打印字符串都不一样 </span></span><span>print</span>(uuid.uuid4()) <span>#</span><span> 第一次执行</span> time.sleep(1<span>) </span><span>print</span>(uuid.uuid4()) <span>#</span><span> 第二次执行</span> time.sleep(1<span>) </span><span>print</span>(uuid.uuid4()) <span>#</span><span> 第三次执行</span>
www#gaodaima.com来源gaodai#ma#com搞*代#码网搞代码
执行结果:
a8357461-9d49-40e3-ad49-51fc6d826fd7 <span>#</span><span> 第一次执行</span> 02425ce3-bafe-49b1-b155-7420bc91b102 <span>#</span><span> 第二次执行</span> f7660b83-f75d-45e9-98b6-81a70a8328e4 <span>#</span><span> 第三次执行</span>