jsp---设置JavaBean的范围
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 | 设置page范围的javaBean 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="<span style="color:#e53333;">page</span>" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jspetProperty name="user" property="username" value="page_username"/> 12 <jspetProperty name="user" property="password" value="page_password"/> 13 <jsp:forward page="PagejavaBeanDemo2.jsp"/> 14 </body> 15 </html> 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="<span style="color:#e53333;">page</span>" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jsp:getProperty name="user" property="username" /> 12 <jsp:getProperty name="user" property="password" /> 13 </body> 14 </html> 设置request范围的javaBean 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="<b><span style="color:#e53333;">request</span></b>" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jspetProperty name="user" property="username" value="request_username"/> 12 <jspetProperty name="user" property="password" value="request_password"/> 13 <jsp:forward page="PagejavaBeanDemo2.jsp"/> 14 </body> 15 </html> 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="<span style="color:#e53333;">request</span>" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jsp:getProperty name="user" property="username" /> 12 <jsp:getProperty name="user" property="password" /> 13 </body> 14 </html> 设置session范围的javaBean 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="session" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jspetProperty name="user" property="username" value="session_username"/> 12 <jspetProperty name="user" property="password" value="session_password"/> 13 <a href="PagejavaBeanDemo2.jsp">跳转到PagejavaBeanDemo2.jsp</a> 14 </body> 15 </html> 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="session" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jsp:getProperty name="user" property="username" /> 12 <jsp:getProperty name="user" property="password" /> 13 </body> 14 </html> 设置application范围的javaBean 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="application" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jspetProperty name="user" property="username" value="application_username"/> 12 <jspetProperty name="user" property="password" value="application_password"/> 13 <a href="PagejavaBeanDemo2.jsp">跳转到PagejavaBeanDemo2.jsp</a> 14 </body> 15 </html> 01 <%@page language="java" contentType="text/html;charset=gb2312"%> 02 <!DOCTYPE html> 03 <html> 04 <head> 05 <title>设置page的范围</title> 06 </head> 07 <body> 08 <%--通过useBean动作指令调用javaBean--%> 09 <jsp:useBean id="user" scope="application" class="com.javaweb.ch07.UserBean"></jsp:useBean> 10 <%--根据所有的参数设置javaBean中属性--%> 11 <jsp:getProperty name="user" property="username" /> 12 <jsp:getProperty name="user" property="password" /> 13 </body> 14 </html> | |
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