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[Web]90.2 nodejs-4
【web前端工程师】161/341
![[Web]90.1 nodejs-4](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/f0373ebce443432291fe2680e8820b49~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=la6X9LP3CVnBKgjrXaR4hX70LBY%3D)
App22:15![[Web]90.2 nodejs-4](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/ad8c433b5af34af1abba8e8cc87deb20~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=nUnJaxJ2hTKEp4i%2BnpIbrDcOS10%3D)
App41:06![[Web]90.3 nodejs-4](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/a0b767aa5174447e81062c246bd5935d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=kXNZn5%2Bimca%2BD2%2FICvzkdsq1FXI%3D)
App21:31![[Web]90.4 nodejs-4](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/44e5138cdec3401fb73c362d3af3a28d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=WBHEjIV4wxpmBGANmCz0%2B5tubOA%3D)
App16:40![[Web]90.5 nodejs-4](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/4af2f9baa6ae4559aa3a61b1ad72ac7b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=K8rdy0d6r%2BN51YjrSLA%2FtNzVNvI%3D)
App28:42![[Web]91.0 nodejs - 5](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/dd991d3eb7d2436cbac0b52350e5b5c1~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=WVV%2BAVW2X8kZmeVSUQCt2OAbneE%3D)
App33:03![[Web]91.1 nodejs - 5](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/ace55cf83ff44efea539d9fc09551ac9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=6Yt4yJ%2FFccyuCqTWB%2BbOWDhlGro%3D)
App21:40![[Web]91.2 nodejs - 5](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/d795a23859b2412485c74aa9a0784a10~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=lmSqLH%2BGzjtOeiWoHr0m%2B6eDsuQ%3D)
App31:13![[Web]91.3 nodejs - 5](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c18bffac200548ab816e4f5c1bbdf72b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=A5M%2BMiM%2BVI%2FI%2Bta8PbD6k9l15TA%3D)
App26:57![[Web]91.4 nodejs - 5](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5a1d55010b944757891c0bf991bfeed5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=JM%2F9sElaVgINfXsXpZa0i9uuffc%3D)
App33:24![[Web]92 如何验证用户名](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5736ae205bce4b53894070905eee9af0~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=0bJiNozWV8DcDtusTD2Wtqqj90Y%3D)
App11:10![[Web]93 ajax的前端实现（补）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/1ff1718c0c7846aebcf3bcad99189122~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=LVyCuteCE8s6g5ePVs%2F2y8ufakE%3D)
App12:18![[Web]94 ajax后端实现](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/09b738eccbf84c7c9f1e3e0ea0ce157d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=7Va%2FMJ9adBsOrW4gKHwtPl4GWVE%3D)
App09:36![[Web]95 ajax中的get请求](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/53e6666371554b09bc517c856c1c61c9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=Nk2o7Fq%2FAMF%2FB2ii2IKmpem8KKk%3D)
App09:06![[Web]96 ajax中的post请求](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/ed8fc953460a4b53b6ff15342418517e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=wKEetxEJXxWKv1lkrVCzzsEdbfw%3D)
App12:51![[Web]97 同步及异步ajax](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9a3068b878f943fca6ec83fece34f087~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=bJNOJTWx6kvnOMmrkIairxxYwRs%3D)
App11:39![[Web]98 xml数据返还](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/e3b8eb4f5ee94e359a53aa233df4c24a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=vsdgTa%2BXOcyzE%2Bh7BTAo8gcROD8%3D)
App08:00![[Web]99 FormData实现文件上传](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/12d793c5cfae41a49afb14e9990d8d9b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=1PHAux4E4uf%2F0Kudnx%2B0uruF%2BpY%3D)
App12:34![[Web]100 上传文件事件钩子](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/1534b06468264a6a8688a8c36bfa1ffb~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=Ie0AeOzZgWn0%2BtKrliyWDL0tQNY%3D)
App12:23![[Web]101 上传进度及速度](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/62fbd2e39b1e4dbaa3be31f942393e52~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=JZ%2FDmrRSSPH%2BoQ0Zf%2F2WuSApzIM%3D)
App11:40![[Web]102 上传单位处理及总结](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/2e68cc6b54cd49ad83cce3b672022527~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=h8kx29LrWdBs4MbCZB6ewDlkSO4%3D)
App10:22![[Web]103.0 第九章第1节： 前后端交互-1](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9ea3283a951c45ab9b40d8fcecab6a81~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=z6E2Y%2Bq49eDHAshTCqWs9u9Ckxc%3D)
App18:00![[Web]103.1 第九章第1节： 前后端交互-1](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/fca12099c27b4a9d98d29d2f2d5ab86e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=xI7wqZMjYRA8QVk8hlE28AOFokk%3D)
App15:19![[Web]103.2 第九章第1节： 前后端交互-1](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/2d4b1e95e0794076ba6a5b52022ad3c7~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=P2VISJO0lk9mD%2FkmWLgK%2FuP%2FaEA%3D)
App16:27![[Web]103.3 第九章第1节： 前后端交互-1](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/4ac558cce7034be39a98f23e179cef45~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=GlZVa4gUYKC5%2FY8AXYOdFaIA5fM%3D)
App18:32![[Web]103.4 第九章第1节： 前后端交互-1](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/5e49cdbfb637404bae937f154d68da52~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=BHZQfJxeY3ISX6gakeQqexDdcHc%3D)
App19:03![[Web]103.5 第九章第1节： 前后端交互-1](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/d69ca65a29ec459bb336460081b7e956~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=zws21YUI2OvABsOksDrg8yMTUj8%3D)
App27:04![[Web]103.6 第九章第1节： 前后端交互-1](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/d1f9363b13484b96b1e5d6d3f22bddc5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=9CdRjW5h8AbdrlLtPyz2U2czax0%3D)
App13:02![[Web]104 ajax不能跨域](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/79e7b8c288524c5e9387e950cf6834d0~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=17%2F6IoQm%2BP8%2ByzOINx8k8frdiq0%3D)
App14:10![[Web]105 jsonp原理](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/4359b6a3e77c45da957b554906f5ecfe~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=HO7Ih24wznA7PA8GIbYcld4nsvE%3D)
App08:10![[Web]106 动态创建script实现请求](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/953432f9738a437e9024e59c2d853904~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250124063310912F01C13B23D57DA029&requestFrom=704&version_code=80402&x-expires=1769207591&x-signature=OzdqQ8D%2BdJQAWeFf3y8Asq3gdk8%3D)
App10:18打开App观看
