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The param of java-jsp action elements

Source: Internet
Author: User
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Summary of results:
1. Used to transfer parameters, generally with <jsp:include>, <jsp:forward> joint use.
2.<jsp:param name= "parameter value" value= "parameter value"/>
3.name is used to set the name of the parameter. Value is used to set the values of the parameters.

<jsp:include> action elements paired with <jsp:param> action elements

contentdemo.jsp (single parameter)

1 <%@ page language= "java" contenttype= "text/html; charset=gb2312 "%>2 3 <p> parameters received </p>4 <%5    String strage = Request.getparameter ("Age");   receive parameter 6 %>7 <%--output parameter content--%>8 <%= "The Age parameter value is:" +strage%>
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param1.jsp

  1  <%@ Page language= "java" contenttype= "text/html; charset=gb2312 "%> 2   3   <title> contains JSP files and passes parameters </title> 5   6  <body> 7  Use the include action element to include a JSP file and pass parameters <br> <jsp:include page= " contentdemo.jsp "> 9  <jsp:param name=" age "value=" "/>10  </jsp:include>11  </body> 12
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CONTENTDEMO2.JSP (multi-parameter)

1<%@ page language= "java" contenttype= "text/html; charset=gb2312 "%>23<p> Parameters received </p>4<%5String strName = request.getparameter ("name");//Receive Parameters6String strage = Request.getparameter ("Age");//Receive Parameters7String strsex = request.getparameter ("Sex");//Receive Parameters8%>9<%--Output parameter Content--%>Ten<%= "Name parameter value is:" +strname%> One<%= "Age parameter value is:" +strage%> A<%= "Sex parameter value is:" +strsex%>
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params.jsp

1<%@ page language= "java" contenttype= "text/html; charset=gb2312 "%>234<title> include JSP files and pass multiple parameters </title>56<body>7Use the include action element to include a JSP file and pass multiple parameters <br>8<jsp:include page= "contentdemo2.jsp" >9<jsp:param name= "name" value= "Jame"/>Ten<jsp:param name= "age" value= "/>" One<jsp:param name= "Sex" value= "man"/> A</jsp:include> -</body> -
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<jsp:forward> action elements paired with <jsp:param> action elements

forwardeddemo.jsp (single parameter)

1<%@ page language= "java" contenttype= "text/html; charset=gb2312 "%>234<title> jump to the page </title>56<body>78<p> Parameters received:</p>9<%TenString strage = Request.getparameter ("Age");//Receive Parameters One%> A<%--Output parameter Content--%> -<%= "Age parameter value is:" + strage%> -</body> the
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paramforward.jsp

  1  <%@ Page language= "java" contenttype= "text/html; charset=gb2312 "%> 2   3   <title> jump and pass parameters </title>   6  <body> 7  Use the forward action element to jump to another JSP file and pass the parameter <br> 8  <jsp:forward page= " forwardeddemo.jsp "> 9  <jsp:param name=" age "value=" "/>10  </jsp:forward>11  </body> 12
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FORWARDEDDEMO2.JSP (multi-parameter)

1<%@ page language= "java" contenttype= "text/html; charset=gb2312 "%>234<title> jump to the page </title>56<body>78<p> Parameters received:</p>9<%TenString strName = request.getparameter ("name");//Receive Parameters OneString strage = Request.getparameter ("Age");//Receive Parameters AString strsex = request.getparameter ("Sex");//Receive Parameters -%> -<%--Output parameter Content--%> the<%= "Name parameter value is:" + strName%> -<%= "Age parameter value is:" + strage%> -<%= "Sex parameter value is:" + strsex%> -</body> +
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paramforward2.jsp

1<%@ page language= "java" contenttype= "text/html; charset=gb2312 "%>234<title> jump and pass parameters </title>56<body>7Use the forward action element to jump to another JSP file and pass parameters <br>8<jsp:forward page= "forwardeddemo2.jsp" >9<jsp:param name= "name" value= "name"/>Ten<jsp:param name= "age" value= "/>" One<jsp:param name= "Sex" value= "man"/> A</jsp:forward> -</body> -
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The param of java-jsp action elements

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