<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mssql_select_db</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="Microsoft SQL Server Functions" HREF="ref.mssql.html"><LINK REL="PREVIOUS" TITLE="mssql_rows_affected" HREF="function.mssql-rows-affected.html"><LINK REL="NEXT" TITLE="Microsoft SQL Server and Sybase Functions (PDO_DBLIB)" HREF="ref.pdo-dblib.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.mssql-rows-affected.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ref.pdo-dblib.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mssql-select-db" ></A >mssql_select_db</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN129180" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >mssql_select_db -- Select MS SQL database</DIV ><DIV CLASS="refsect1" ><A NAME="AEN129183" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >mssql_select_db</B > ( string database_name [, resource link_identifier] )<BR ></BR ><P > <B CLASS="function" >mssql_select_db()</B > sets the current active database on the server that's associated with the specified link identifier. </P ><P > Every subsequent call to <A HREF="function.mssql-query.html" ><B CLASS="function" >mssql_query()</B ></A > will be made on the active database. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN129198" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >database_name</CODE ></DT ><DD ><P > The database name. </P ><P > To escape the name of a database that contains spaces, hyphens ("-"), or any other exceptional characters, the database name must be enclosed in brackets, as is shown in the example, below. This technique must also be applied when selecting a database name that is also a reserved word (such as <TT CLASS="literal" >primary</TT >). </P ></DD ><DT ><CODE CLASS="parameter" >link_identifier</CODE ></DT ><DD ><P > A MS SQL link identifier, returned by <A HREF="function.mssql-connect.html" ><B CLASS="function" >mssql_connect()</B ></A > or <A HREF="function.mssql-pconnect.html" ><B CLASS="function" >mssql_pconnect()</B ></A >. </P ><P > If no link identifier is specified, the last opened link is assumed. If no link is open, the function will try to establish a link as if <A HREF="function.mssql-connect.html" ><B CLASS="function" >mssql_connect()</B ></A > was called, and use it. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN129218" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN129223" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN129226" ></A ><P ><B >例 1. <B CLASS="function" >mssql_select_db()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$conn </font><font color="#007700">= </font><font color="#0000BB">mssql_connect</font><font color="#007700">(</font><font color="#DD0000">'MYSQLSERVER'</font><font color="#007700">, </font><font color="#DD0000">'sa'</font><font color="#007700">, </font><font color="#DD0000">'password'</font><font color="#007700">);<br /></font><font color="#0000BB">mssql_select_db</font><font color="#007700">(</font><font color="#DD0000">'[my data-base]'</font><font color="#007700">, </font><font color="#0000BB">$conn</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN129230" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.mssql-connect.html" ><B CLASS="function" >mssql_connect()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mssql-pconnect.html" ><B CLASS="function" >mssql_pconnect()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mssql-query.html" ><B CLASS="function" >mssql_query()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.mssql-rows-affected.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="ref.pdo-dblib.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mssql_rows_affected</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mssql.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Microsoft SQL Server and Sybase Functions (PDO_DBLIB)</TD ></TR ></TABLE ></DIV ></BODY ></HTML >