# 常量字段值

## 目录

- com.hikvision.*

## com.hikvision.*

com.hikvision.artemis.sdk.constant.Constants
`public static final String` `CA_HEADER_TO_SIGN_PREFIX_SYSTEM` `"x-ca-"`
`public static final String` `ENCODING` `"UTF-8"`
`public static final String` `HMAC_SHA256` `"HmacSHA256"`
`public static final String` `LF` `"\n"`
`public static final String` `SPE1` `","`
`public static final String` `SPE2` `":"`
`public static final String` `SPE3` `"&"`
`public static final String` `SPE4` `"="`
`public static final String` `SPE5` `"?"`
`public static final String` `SPE6` `";"`
`public static final String` `USER_AGENT` `"demo/aliyun/java"`

com.hikvision.artemis.sdk.constant.ContentType
`public static final String` `CONTENT_TYPE_FILE_FORM` `"multipart/form-data;charset=UTF-8"`
`public static final String` `CONTENT_TYPE_FORM` `"application/x-www-form-urlencoded;charset=UTF-8"`
`public static final String` `CONTENT_TYPE_JSON` `"application/json;charset=UTF-8"`
`public static final String` `CONTENT_TYPE_STREAM` `"application/octet-stream;charset=UTF-8"`
`public static final String` `CONTENT_TYPE_TEXT` `"application/text;charset=UTF-8"`
`public static final String` `CONTENT_TYPE_XML` `"application/xml;charset=UTF-8"`

com.hikvision.artemis.sdk.constant.HttpHeader
`public static final String` `HTTP_HEADER_ACCEPT` `"Accept"`
`public static final String` `HTTP_HEADER_CONTENT_MD5` `"Content-MD5"`
`public static final String` `HTTP_HEADER_CONTENT_TYPE` `"Content-Type"`
`public static final String` `HTTP_HEADER_DATE` `"Date"`
`public static final String` `HTTP_HEADER_USER_AGENT` `"User-Agent"`

com.hikvision.artemis.sdk.constant.HttpMethod
`public static final String` `DELETE` `"DELETE"`
`public static final String` `GET` `"GET"`
`public static final String` `POST` `"POST"`
`public static final String` `PUT` `"PUT"`

com.hikvision.artemis.sdk.constant.HttpSchema
`public static final String` `HTTP` `"http://"`
`public static final String` `HTTPS` `"https://"`

com.hikvision.artemis.sdk.constant.MsgConstants
`public static final String` `HTTP_SCHEMA_ERROR` `"http\u548chttps\u53c2\u6570\u9519\u8bef"`

com.hikvision.artemis.sdk.constant.SystemHeader
`public static final String` `X_CA_KEY` `"x-ca-key"`
`public static final String` `X_CA_NONCE` `"x-ca-nonce"`
`public static final String` `X_CA_SIGNATURE` `"x-ca-signature"`
`public static final String` `X_CA_SIGNATURE_HEADERS` `"x-ca-signature-headers"`
`public static final String` `X_CA_TIMESTAMP` `"x-ca-timestamp"`