index prev 5. Content-Type Header Field Content-Type ヘッダフィールド The purpose of the Content-Type field is to describe the data contained in the body fully enough that the receiving user agent can pick an appropriate agent or mechanism to present the data to the user, or otherwise deal with the data in an appropriate manner. The value in this field is called a media type. Content-Typeフィールドの目的は、受け取っている