工具

<h1>hutool</h1> <p><a href="https://hutool.cn/docs/">https://hutool.cn/docs/</a>#/</p> <h1>字段映射</h1> <p><a href="https://mp.weixin.qq.com/s/pPiNQI2QTNA4_Jig2VZ6iQ">https://mp.weixin.qq.com/s/pPiNQI2QTNA4_Jig2VZ6iQ</a></p> <h1>重试</h1> <p><a href="https://mp.weixin.qq.com/s/0d6cMyWqXmjCkNxdZ15NGw">https://mp.weixin.qq.com/s/0d6cMyWqXmjCkNxdZ15NGw</a></p> <h1>统计耗时(秒表)</h1> <p><a href="https://mp.weixin.qq.com/s?__biz=MzU2NDEyMzIzOA==&mid=2247496435&idx=1&sn=6eeff79ebc3df7d0893a330bf0e8ab89&chksm=fc4d71facb3af8ec0defa72f26614267a0af08d9a00f53f413bdd32b39dfc23f22bb5ddbcd63&scene=21#wechat_redirect">https://mp.weixin.qq.com/s?__biz=MzU2NDEyMzIzOA==&mid=2247496435&idx=1&sn=6eeff79ebc3df7d0893a330bf0e8ab89&chksm=fc4d71facb3af8ec0defa72f26614267a0af08d9a00f53f413bdd32b39dfc23f22bb5ddbcd63&scene=21#wechat_redirect</a></p>