-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "formhash"
cb531121
-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "id"
WU_FILE_0
-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "name"
1.mp4
-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "type"
video/mp4
-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "lastModifiedDate"
Sat Mar 24 2018 19:03:57 GMT+0800 (China Standard time)
-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "size"
44525317
-WebKitFormBoundaryCingJkAoxrCeERpl
Content-Disposition: form-data; name= "file"; filename= "1.mp4"
Content-Type: video/mp4
-WebKitFormBoundaryCingJkAoxrCeERpl--
how does the name= "id" WU_FILE_0 customize the name= "id" name, instead of setting it to id, such as name= "filename"