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ASP ServerVariables 集合
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The ServerVariables collection is used to retrieve the server variable values.
ServerVariables集合的作用是获取服务器变量的值。
Syntax
语法
Request.ServerVariables (server_variable) |
| Parameter 参数 | Description 描述 |
|---|---|
| server_variable | Required. The name of the server variable to retrieve 必要参数。获取服务器变量的名称 |
Server Variables
| Variable 变量 | Description 描述 |
|---|---|
| ALL_HTTP | Returns all HTTP headers sent by the client. Always prefixed with HTTP_ and capitalized 客户端发送的所有 HTTP 标题文件 |
| ALL_RAW | Returns all headers in raw form 返回所有raw form中的标题 |
| APPL_MD_PATH | Returns the meta base path for the application for the ISAPI DLL 返回ISAPI DLL的请求meta基础路径 |
| APPL_PHYSICAL_PATH | Returns the physical path corresponding to the meta base path 返回与meta基础路径相关的物理路径 |
| AUTH_PASSWORD | Returns the value entered in the client's authentication dialog 返回认证用户会话的值 |
| AUTH_TYPE | The authentication method that the server uses to validate users 服务器用来鉴定有效用户的方法。 |
| AUTH_USER | Returns the raw authenticated user name 返回认证用户的名称 |
| CERT_COOKIE | Returns the unique ID for client certificate as a string 以字符串形式返回认证客的独立ID |
| CERT_FLAGS | bit0 is set to 1 if the client certificate is present and bit1 is set to 1 if the cCertification authority of the client certificate is not valid 如果该认证客户存在，那么则将数位0设置成1；如果认证客户不存在，则将数位1设置成1。 |
| CERT_ISSUER | Returns the issuer field of the client certificate 用户验证中的颁布者字段（O=MS，OU=IAS，CN=user name，C=USA） |
| CERT_KEYSIZE | Returns the number of bits in Secure Sockets Layer connection key size 安全套接字层连接关键字的位数，如 128。 |
| CERT_SECRETKEYSIZE | Returns the number of bits in server certificate private key 服务器验证私人关键字的位数。如 1024 |
| CERT_SERIALNUMBER | Returns the serial number field of the client certificate 用户验证的序列号字段 |
| CERT_SERVER_ISSUER | Returns the issuer field of the server certificate 服务器验证的颁发者字段 |
| CERT_SERVER_SUBJECT | Returns the subject field of the server certificate 服务器验证的主字段 |
| CERT_SUBJECT | Returns the subject field of the client certificate 客户端验证的主字段 |
| CONTENT_LENGTH | Returns the length of the content as sent by the client 客户端发出内容的长度 |
| CONTENT_TYPE | Returns the data type of the content 内容的数据类型。同附加信息的查询一起使用，如 HTTP 查询 GET、 POST 和 PUT |
| GATEWAY_INTERFACE | Returns the revision of the CGI specification used by the server 服务器使用的 CGI 规格的修订。格式为 CGI/revision |
| HTTP_<HeaderName> | Returns the value stored in the header HeaderName HeaderName存储在标题文件中的值。未列入该表的标题文件必须以 HTTP_ 作为前缀，以使 ServerVariables 集合检索其值。注意 服务器将 HeaderName 中的下划线（_）解释为实际标题中的破折号。例如，如果您指定 HTTP_MY_HEADER，服务器将搜索以 MY-HEADER 为名发送的标题文件。 |
| HTTP_ACCEPT | Returns the value of the Accept header 返回允许的header[标头]值 |
| HTTP_ACCEPT_LANGUAGE | Returns a string describing the language to use for displaying content |
| HTTP_COOKIE | Returns the cookie string included with the request 返回一个包含请求指令的cookie字符串 |
| HTTP_REFERER | Returns a string containing the URL of the page that referred the request to the current page using an <a> tag. If the page is redirected, HTTP_REFERER is empty |
| HTTP_USER_AGENT | Returns a string describing the browser that sent the request |
| HTTPS | Returns ON if the request came in through secure channel or OFF if the request came in through a non-secure channel 如果请求穿过安全通道（SSL），则返回 ON。如果请求来自非安全通道，则返回 OFF |
| HTTPS_KEYSIZE | Returns the number of bits in Secure Sockets Layer connection key size 安全套接字层连接关键字的位数，如 128 |
| HTTPS_SECRETKEYSIZE | Returns the number of bits in server certificate private key 服务器验证私人关键字的位数。如 1024 |
| HTTPS_SERVER_ISSUER | Returns the issuer field of the server certificate 服务器验证的颁发者字段 |
| HTTPS_SERVER_SUBJECT | Returns the subject field of the server certificate 服务器验证的主字段 |
| INSTANCE_ID | The ID for the IIS instance in text format 文本格式 IIS 实例的 ID。如果实例 ID 为 1，则以字符形式出现。使用该变量可以检索请求所属的（元数据库中）Web 服务器实例的 ID |
| INSTANCE_META_PATH | The meta base path for the instance of IIS that responds to the request 响应请求的 IIS 实例的元数据库路径 |
| LOCAL_ADDR | Returns the server address on which the request came in 返回接受请求的服务器地址。如果在绑定多个 IP 地址的多宿主机器上查找请求所使用的地址时，这条变量非常重要 |
| LOGON_USER | Returns the Windows account that the user is logged into 用户登录 Windows NT® 的帐号 |
| PATH_INFO | Returns extra path information as given by the client 客户端提供的额外路径信息。可以使用这些虚拟路径和 PATH_INFO 服务器变量访问脚本。如果该信息来自 URL，在到达 CGI 脚本前就已经由服务器解码了 |
| PATH_TRANSLATED | A translated version of PATH_INFO that takes the path and performs any necessary virtual-to-physical mapping 转换后的版本，该变量获取路径并进行必要的由虚拟至物理的映射。 |
| QUERY_STRING | Returns the query information stored in the string following the question mark (?) in the HTTP request 查询 HTTP 请求中问号（?）后的信息 |
| REMOTE_ADDR | Returns the IP address of the remote host making the request 发出请求的远程主机的 IP 地址 |
| REMOTE_HOST | Returns the name of the host making the request 发出请求的主机名称。如果服务器无此信息，它将设置为空的 MOTE_ADDR 变量 |
| REMOTE_USER | Returns an unmapped user-name string sent in by the user 用户发送的未映射的用户名字符串。该名称是用户实际发送的名称，与服务器上验证过滤器修改过后的名称相对 |
| REQUEST_METHOD | Returns the method used to make the request 该方法用于提出请求。相当于用于 HTTP 的 GET、HEAD、POST 等等 |
| SCRIPT_NAME | Returns a virtual path to the script being executed 执行脚本的虚拟路径。用于自引用的 URL |
| SERVER_NAME | Returns the server's host name, DNS alias, or IP address as it would appear in self-referencing URLs 出现在自引用 UAL 中的服务器主机名、DNS 化名或 IP 地址 |
| SERVER_PORT | Returns the port number to which the request was sent 发送请求的端口号 |
| SERVER_PORT_SECURE | Returns a string that contains 0 or 1. If the request is being handled on the secure port, it will be 1. Otherwise, it will be 0 包含 0 或 1 的字符串。如果安全端口处理了请求，则为 1，否则为 0 |
| SERVER_PROTOCOL | Returns the name and revision of the request information protocol 请求信息协议的名称和修订。格式为 protocol/revision |
| SERVER_SOFTWARE | Returns the name and version of the server software that answers the request and runs the gateway 应答请求并运行网关的服务器软件的名称和版本。格式为 name/version |
| URL | Returns the base portion of the URL 提供 URL 的基本部分 |
Examples
举例
| Example 1 You can loop through all of the server variables like this: <% for each x in Request.ServerVariables response.write(x & "<br />") next %> Example 2 This example demonstrates how to find out the visitor's browser type, IP address, and more: <html>
<body>
<p>
<b>You are browsing this site with:</b>
<%Response.Write(Request.ServerVariables("http_user_agent"))%>
</p>
<p>
<b>Your IP address is:</b>
<%Response.Write(Request.ServerVariables("remote_addr"))%>
</p>
<p>
<b>The DNS lookup of the IP address is:</b>
<%Response.Write(Request.ServerVariables("remote_host"))%>
</p>
<p>
<b>The method used to call the page:</b>
<%Response.Write(Request.ServerVariables("request_method"))%>
</p>
<p>
<b>The server's domain name:</b>
<%Response.Write(Request.ServerVariables("server_name"))%>
</p>
<p>
<b>The server's port:</b>
<%Response.Write(Request.ServerVariables("server_port"))%>
</p>
<p>
<b>The server's software:</b>
<%Response.Write(Request.ServerVariables("server_software"))%>
</p>
</body>
</html> |
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