Jsp --- set the scope of the JavaBean

Last Update:2013-12-09 Source: Internet

Author: User

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Set the JavaBean in the page range

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<% @ Page language = "java" contentType = "text/html; charset = gb2312" %>
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<! DOCTYPE html>
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<Html>
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<Head>
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<Title> set the page range </title>
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</Head>
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<Body>
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<% -- Call JavaBean through useBean Action Command -- %>
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<Jsp: useBean id = "user" scope = " page " class = "com. javaweb. ch07.UserBean "> </jsp: useBean>
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<% -- Set attributes in JavaBean based on all parameters -- %>
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<Jsp: setProperty name = "user" property = "username" value = "page_username"/>
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<Jsp: setProperty name = "user" property = "password" value = "page_password"/>
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<Jsp: forward page = "PageJavaBeanDemo2.jsp"/>
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</Body>
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</Html>
01
<% @ Page language = "java" contentType = "text/html; charset = gb2312" %>
02
<! DOCTYPE html>
03
<Html>
04
<Head>
05
<Title> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
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<Jsp: useBean id = "user" scope = " page " class = "com. javaweb. ch07.UserBean "> </jsp: useBean>
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<% -- Set attributes in JavaBean based on all parameters -- %>
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<Jsp: getProperty name = "user" property = "username"/>
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<Jsp: getProperty name = "user" property = "password"/>
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</Body>
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</Html>
Set the JavaBean in the request range
01
<% @ Page language = "java" contentType = "text/html; charset = gb2312" %>
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<! DOCTYPE html>
03
<Html>
04
<Head>
05
<Title> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
09
<Jsp: useBean id = "user" scope = " request " class = "com. javaweb. ch07.UserBean "> </jsp: useBean>
10
<% -- Set attributes in JavaBean based on all parameters -- %>
11
<Jsp: setProperty name = "user" property = "username" value = "request_username"/>
12
<Jsp: setProperty 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> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
09
<Jsp: useBean id = "user" scope = " request " class = "com. javaweb. ch07.UserBean "> </jsp: useBean>
10
<% -- Set attributes in JavaBean based on all parameters -- %>
11
<Jsp: getProperty name = "user" property = "username"/>
12
<Jsp: getProperty name = "user" property = "password"/>
13
</Body>
14
</Html>
Set the session an in the session range
01
<% @ Page language = "java" contentType = "text/html; charset = gb2312" %>
02
<! DOCTYPE html>
03
<Html>
04
<Head>
05
<Title> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
09
<Jsp: useBean id = "user" scope = "session" class = "com. javaweb. ch07.UserBean"> </jsp: useBean>
10
<% -- Set attributes in JavaBean based on all parameters -- %>
11
<Jsp: setProperty name = "user" property = "username" value = "session_username"/>
12
<Jsp: setProperty name = "user" property = "password" value = "session_password"/>
13
<A href = "PageJavaBeanDemo2.jsp"> jump to PageJavaBeanDemo2.jsp </a>
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</Body>
15
</Html>
01
<% @ Page language = "java" contentType = "text/html; charset = gb2312" %>
02
<! DOCTYPE html>
03
<Html>
04
<Head>
05
<Title> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
09
<Jsp: useBean id = "user" scope = "session" class = "com. javaweb. ch07.UserBean"> </jsp: useBean>
10
<% -- Set attributes in JavaBean based on all parameters -- %>
11
<Jsp: getProperty name = "user" property = "username"/>
12
<Jsp: getProperty name = "user" property = "password"/>
13
</Body>
14
</Html>
Set the JavaBean in the application range
01
<% @ Page language = "java" contentType = "text/html; charset = gb2312" %>
02
<! DOCTYPE html>
03
<Html>
04
<Head>
05
<Title> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
09
<Jsp: useBean id = "user" scope = "application" class = "com. javaweb. ch07.UserBean"> </jsp: useBean>
10
<% -- Set attributes in JavaBean based on all parameters -- %>
11
<Jsp: setProperty name = "user" property = "username" value = "application_username"/>
12
<Jsp: setProperty name = "user" property = "password" value = "application_password"/>
13
<A href = "PageJavaBeanDemo2.jsp"> jump to 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> set the page range </title>
06
</Head>
07
<Body>
08
<% -- Call JavaBean through useBean Action Command -- %>
09
<Jsp: useBean id = "user" scope = "application" class = "com. javaweb. ch07.UserBean"> </jsp: useBean>
10
<% -- Set attributes in JavaBean based on all parameters -- %>
11
<Jsp: getProperty name = "user" property = "username"/>
12
<Jsp: getProperty name = "user" property = "password"/>
13
</Body>
14
</Html>

From Zhang Dapeng's blog

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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