Use angular4 how to use HttpClient to upload image files with other parameters.

the parameters required to be passed in the background are
clipboard.png

:
clipboard.png

:
clipboard.png

this allows you to upload some common parameters, but not the data of the file type. I would like to ask angular4 how to upload the data of the file type, but also with parameters, thank you.


you can refer ng-alain .


has the landlord solved it?

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1be266a-45b86.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be266a-45b86.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?