使用unicloud上传文件到云存储时提示Access to XMLHttpRequest at https://u.object.cloudrun.cloudbaseapp.cn/miniapp-prod-env-00jy6jupimz6-hz/?use_dynamic1source_productosscreator2021006133643240acldefaultfile_idcloud://env-00jy6jupimz6/8636203_1783841994304_0.jpgcontent_typeimage/jpegparam_signf359263de6143c07261e202d634d26b55e80b105from origin http://localhost:5173 has been blocked by CORS policy: No Access-Control-Allow-Origin header is present on the requested resource.Understand this errorAIuni-file-picker.vue:352POST https://u.object.cloudrun.cloudbaseapp.cn/miniapp-prod-env-00jy6jupimz6-hz/?use_dynamic1source_productosscreator2021006133643240acldefaultfile_idcloud://env-00jy6jupimz6/8636203_1783841994304_0.jpgcontent_typeimage/jpegparam_signf359263de6143c07261e202d634d26b55e80b105 net::ERR_FAILED 204 (No Content)很明显这是遇到了跨域问题。只需到unicloud控制台添加上跨域的域名即可。地址uniCloud控制台注意添加的域名不要带http或https://前缀直接写对应的域名即可也不要以 / 结尾。