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[Web]99 FormData实现文件上传
【web前端工程师】177/341
![[Web]98 xml数据返还](http://p3-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=O23ANQo9G%2BJaKmCzLJp3MkdNIWM%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=gUz%2BRy96b1d5s99vDUa4uMO%2Bkos%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=1U2G%2BLbyufbxxBt1DLjT1ZH0NKs%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=tKnknkTiwKYtr7QEr9vnPYyxQX0%3D)
App11:40![[Web]102 上传单位处理及总结](http://p3-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=y9gcYE%2Foy5d4RSrAN6AgAmpnsPA%3D)
App10:22![[Web]103.0 第九章第1节： 前后端交互-1](http://p26-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=Wnw%2FARl5czAhA99Cdo7h%2Fi3%2BpQE%3D)
App18:00![[Web]103.1 第九章第1节： 前后端交互-1](http://p26-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=b4vfLM%2BoRpEHMmmoEHgrICzsEec%3D)
App15:19![[Web]103.2 第九章第1节： 前后端交互-1](http://p3-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=PR6qVWicYMWlevLvhvdZryWL6%2FI%3D)
App16:27![[Web]103.3 第九章第1节： 前后端交互-1](http://p26-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=HpUw18arn8buKksyNkEKWtBFDvM%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=chwTtSNxOcB7R9VzCZL3GVn9wxE%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=ddURf1eLBFL6%2FOcXrwsqiKmbN4U%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=5hVp4S8EjjwGW8hhjUEJb8Om4CU%3D)
App13:02![[Web]104 ajax不能跨域](http://p3-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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=uxoPlOWDResrAK9CmUv78g4jAOE%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=V4d63s%2Ffg7g0umB2tud%2FEx%2FhG8A%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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=4DlzEfxzjl2vEVl4yrOAMX8sWHA%3D)
App10:18![[Web]107 jsonp的ajax封装](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9718ae1edc134bb0af17939f807d6f13~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=trK%2B3faSIN9%2BsEfaGA7MuO3ovQU%3D)
App14:55![[Web]108 请求百度jsonp接口](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/0c5413f52ac246ef8510ad5b93d06f90~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=QRA2T%2B3HLecDRwXCuv9il9KAxkw%3D)
App08:55![[Web]109 蘑菇街动态数据获取](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/215b9f2f5934484c944386364d2cdf27~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=93jvozCF3JfPdHrwKmpmPeIp%2BeI%3D)
App14:04![[Web]110 蘑菇街下拉加载功能](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/d69a9530330e4d8b9947c826984ed5b8~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=M%2BlIp4JhdM7xJ2pyYoqjWzcLzA0%3D)
App06:47![[Web]111.0 前后端交互 - 2](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/aa0e6f4dfeec4f608ebb54ecf995df34~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=Lr%2FC4dqUiEzvoW86a4Anavxc9CU%3D)
App30:20![[Web]111.1 前后端交互 - 2](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/93b8028a082f4201903cfac243517b10~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=FXAmMmHtgAnM%2FSxRkRB7FavKOiI%3D)
App23:23![[Web]111.2 前后端交互 - 2](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/4456288e46724db3bceb896f43a7f69d~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=bifDkmTkk6qeUHmKklDnFlsVr%2FY%3D)
App24:17![[Web]111.3 前后端交互 - 2](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/a577f468252746d3932b9ebe021c2f76~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=%2BU2yM42WijstaRJ3hZWiWNSeClM%3D)
App14:30![[Web]111.4 前后端交互 - 2](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/730cc67a2e8249d18f17af0b952aa55f~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=vroth6zk061SutkDfrLm4M8fEpc%3D)
App14:06![[Web]111.5 前后端交互 - 2](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/ffd852fb6eb64fd3b1b3ecf8a8b4476c~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=wy53UokHvtupyCrfHShQF9dm6Do%3D)
App16:56![[Web]112.0 前后端交互 - 3](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/bc50e61f227644bab3b93f370774d954~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=iGvSAYJyEhLEoTElWeb4aU2eGUI%3D)
App32:03![[Web]112.1 前后端交互 - 3](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/7de3be1c9b774ec1996f5a923db4a7fd~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=JRMJVKYEeA9LJruvLlkXBp%2BaXRs%3D)
App17:44![[Web]112.2 前后端交互 - 3](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b29285dee89e410e8ba222c9f064fbf4~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=tKFNknkHvlwY1HOxK6lGEkumOrk%3D)
App13:39![[Web]112.3 前后端交互 - 3](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/28975ae562a14384ac66b506efafd7ce~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=QxPZ6oEa%2F1SIQ82L7ntdCWy6nWw%3D)
App14:50![[Web]112.4 前后端交互 - 3](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/3c9f392ac68a40208f30ccfa0eb79b33~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=imQOl58M5zGWznYX3hqZJYY8Zxs%3D)
App15:14![[Web]112.5 前后端交互 - 3](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/d33ec197167946d09842e6fda82f0c8d~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=202502030936384BD5BED636F3D6FD1173&requestFrom=704&version_code=80402&x-expires=1770082599&x-signature=BJZtu%2Fk7PyJNnJCSwm4sAiy1cMI%3D)
App30:05打开App观看
