封装WinHTTP类API，提供与WinHTTP对象一致或相似的类调用方法，支持自动管理Cookie，支持默认报文头，支持GZIP自动解压，支持状态查询，支持选项设置，支持身份认证，支持代理服务器，支持文本自动转换编码。-Package the WinHTTP class API provides WinHTTP object identical or similar class to call the method supports automatic management cookie support default packet header, support GZIP automatic decompression, support status queries support option is set to support authentication, support for proxy server support the text automatically transcoding.