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ActionContext (FastUnit API version 2.5)
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com.fastunit.context</FONT>
<BR>
接口 ActionContext</H2>
<DL>
<DT><B>所有超级接口：</B> <DD>java.io.Serializable</DD>
</DL>
<HR>
<DL>
<DT><PRE>public interface <B>ActionContext</B><DT>extends java.io.Serializable</DL>
</PRE>
<P>
上下文数据集合，存储了request、session等数据。
<P>
<P>
<DL>
<DT><B>另请参见：</B><DD><A HREF="../../../com/fastunit/context/LocalContext.html#getActionContext()"><CODE>LocalContext.getActionContext()</CODE></A></DL>
<HR>
<P>
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<B>方法摘要</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/fastunit/context/ActionResult.html" title="com.fastunit.context 中的接口">ActionResult</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getActionResult()">getActionResult</A></B>()</CODE>
<BR>
取得Action执行结果对象。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getAttribute(java.lang.String)">getAttribute</A></B>(java.lang.String key)</CODE>
<BR>
取得定制属性，此属性通过setAttribute()设置。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getRequestParameter(int, java.lang.String)">getRequestParameter</A></B>(int i,
java.lang.String key)</CODE>
<BR>
取得HttpServletRequest参数值，指定序号的值不存在时返回null。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getRequestParameter(java.lang.String)">getRequestParameter</A></B>(java.lang.String key)</CODE>
<BR>
取得HttpServletRequest参数值，存在多个值时返回第一个。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getRequestParameter(java.lang.String, java.lang.String)">getRequestParameter</A></B>(java.lang.String key,
java.lang.String defaultValue)</CODE>
<BR>
取得HttpServletRequest参数值，存在多个值时返回第一个，值不存在时返回默认值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getRequestParameterDouble(java.lang.String, double)">getRequestParameterDouble</A></B>(java.lang.String key,
double defaultValue)</CODE>
<BR>
取得HttpServletRequest参数值，并且转换为double类型，值不存在或为空时返回默认值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getRequestParameterInt(java.lang.String, int)">getRequestParameterInt</A></B>(java.lang.String key,
int defaultValue)</CODE>
<BR>
取得HttpServletRequest参数值，并且转换为int类型，值不存在或为空时返回默认值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getRequestParameters(java.lang.String)">getRequestParameters</A></B>(java.lang.String key)</CODE>
<BR>
取得HttpServletRequest参数值的数组。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getSessionAttribute(java.lang.String)">getSessionAttribute</A></B>(java.lang.String key)</CODE>
<BR>
取得HttpSession参数值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getSessionAttribute(java.lang.String, java.lang.String)">getSessionAttribute</A></B>(java.lang.String key,
java.lang.String defaultValue)</CODE>
<BR>
取得HttpSession参数值，并转换为String类型，值不存在时返回默认值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.List</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getTables()">getTables</A></B>()</CODE>
<BR>
取得Table对象集合，Action元素如果指定了命令行，系统会自动生成需要执行的Table对象集合。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/fastunit/Visitor.html" title="com.fastunit 中的类">Visitor</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#getVisitor()">getVisitor</A></B>()</CODE>
<BR>
取得访问者对象。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#setAttribute(java.lang.String, java.lang.Object)">setAttribute</A></B>(java.lang.String key,
java.lang.Object value)</CODE>
<BR>
设置定制的属性，可用于进程间传递参数。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#setRequestParameter(int, java.lang.String, java.lang.String)">setRequestParameter</A></B>(int i,
java.lang.String key,
java.lang.String value)</CODE>
<BR>
按序号修改指定参数的值，参数不存在或序号不合法时不做任何操作。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#setRequestParameter(java.lang.String, java.lang.String)">setRequestParameter</A></B>(java.lang.String key,
java.lang.String value)</CODE>
<BR>
修改指定参数的值，如果有多个值时，修改第一个，参数不存在时不做任何操作。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/fastunit/context/ActionContext.html#setSessionAttribute(java.lang.String, java.lang.Object)">setSessionAttribute</A></B>(java.lang.String key,
java.lang.Object value)</CODE>
<BR>
设置HttpSession参数值，参数存在时覆盖。</TD>
</TR>
</TABLE>
<P>
<!-- ============ METHOD DETAIL ========== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>方法详细信息</B></FONT></TH>
</TR>
</TABLE>
<A NAME="getTables()"><!-- --></A><H3>
getTables</H3>
<PRE>
java.util.List <B>getTables</B>()</PRE>
<DL>
<DD>取得Table对象集合，Action元素如果指定了命令行，系统会自动生成需要执行的Table对象集合。
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>返回：</B><DD>List Table对象集合<DT><B>另请参见：</B><DD><A HREF="../../../com/fastunit/jdbc/Table.html" title="com.fastunit.jdbc 中的类"><CODE>Table</CODE></A>,
<A HREF="../../../com/fastunit/jdbc/DB.html#save(java.util.List)"><CODE>DB.save(List)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getRequestParameter(java.lang.String)"><!-- --></A><H3>
getRequestParameter</H3>
<PRE>
java.lang.String <B>getRequestParameter</B>(java.lang.String key)</PRE>
<DL>
<DD>取得HttpServletRequest参数值，存在多个值时返回第一个。
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>参数：</B><DD><CODE>key</CODE> - 参数名
<DT><B>返回：</B><DD>参数值</DL>
</DD>
</DL>
<HR>
<A NAME="getRequestParameter(java.lang.String, java.lang.String)"><!-- --></A><H3>
getRequestParameter</H3>
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