Example

#[macro_use]externcrate rocket;use rocket::Data;use rocket::http::ContentType;use rocket_multipart_form_data::{mime,MultipartFormDataOptions,MultipartFormData,MultipartFormDataField,Repetition};#[post("/", data ="<data>")]asyncfnindex(content_type:&ContentType,data:Data<'_>) ->&'staticstr{letmut options =MultipartFormDataOptions::with_multipart_form_data_fields(vec![MultipartFormDataField::file("photo").content_type_by_string(Some(mime::IMAGE_STAR)).unwrap(),MultipartFormDataField::raw("fingerprint").size_limit(4096),MultipartFormDataField::text("name"),MultipartFormDataField::text("email").repetition(Repetition::fixed(3)),MultipartFormDataField::text("email"),]);letmut multipart_form_data =MultipartFormData::parse(content_type, data, options).await.unwrap();let photo = multipart_form_data.files.get("photo");// Use the get method to preserve file fields from moving out of the MultipartFormData instance in order to delete them automatically when the MultipartFormData instance is being droppedlet fingerprint = multipart_form_data.raw.remove("fingerprint");// Use the remove method to move raw fields out of the MultipartFormData instance (recommended)let name = multipart_form_data.texts.remove("name");// Use the remove method to move text fields out of the MultipartFormData instance (recommended)let email = multipart_form_data.texts.remove("email");ifletSome(file_fields) = photo{let file_field =&file_fields[0];// Because we only put one "photo" field to the allowed_fields, the max length of this file_fields is 1.let _content_type =&file_field.content_type;let _file_name =&file_field.file_name;let _path =&file_field.path;// You can now deal with the uploaded file.}ifletSome(mut raw_fields) = fingerprint{let raw_field = raw_fields.remove(0);// Because we only put one "fingerprint" field to the allowed_fields, the max length of this raw_fields is 1.let _content_type = raw_field.content_type;let _file_name = raw_field.file_name;let _raw = raw_field.raw;// You can now deal with the raw data.}ifletSome(mut text_fields) = name{let text_field = text_fields.remove(0);// Because we only put one "text" field to the allowed_fields, the max length of this text_fields is 1.let _content_type = text_field.content_type;let _file_name = text_field.file_name;let _text = text_field.text;// You can now deal with the text data.}ifletSome(text_fields) = email{for text_fieldin text_fields{// We put "email" field to the allowed_fields for two times and let the first time repeat for 3 times, so the max length of this text_fields is 4.let _content_type = text_field.content_type;let _file_name = text_field.file_name;let _text = text_field.text;// You can now deal with the text data.}}"ok"}

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