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Eclipse uses STRUTS2 to develop Web applications to build quickly

Source: Internet
Author: User
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Eclipse Downloads Java EE version, here with 4.5 (Mars).

TOMCAT8 decompression, set the JAVA_HOME environment variable.

Download the Lib package from the Struts2 website, struts-2.3.24-lib.zip, and unlock the jar pack that contains more than 100 of the jars we might use.

Download Struts2 Online example Pack, Struts-2.3.24-apps.zip, untie

Navigate to the blank example: Struts-2.3.24\apps\struts2-blank, the main content is in its Web-inf directory.

1. Create a new project, Dynamic Web project, use the next wizard, do not directly finish, and finally choose to build Web. Xml.

2. Copy the *.jar file under Web-inf\lib in the example to the Web-inf\lib directory of the new project.

3. Locate the Web. XML in the example Web-inf, and copy the following, under the Web-inf Web. XML node under the new project.

    <Filter>        <Filter-name>Struts2</Filter-name>        <Filter-class>Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</Filter-class>    </Filter>    <filter-mapping>        <Filter-name>Struts2</Filter-name>        <Url-pattern>/*</Url-pattern>    </filter-mapping>

This means that struts2 will be used to intercept all access requests and how the request distribution needs to be configured in Struts.xml.

4. Locate the instance: \web-inf\src\java\struts.xml file and copy it to the SRC folder of the new project.

Comment out the contents of all <struts> tags and add the following:

< Packagename= "Default"namespace="/"extends= "Struts-default">        <Actionname= "H">            <result>/hehe.jsp</result>        </Action></ Package>

This defines the relative url:.../h or .../h.action will use hehe.jsp as the output response.

5. Create the hehe.jsp file and add it to the,<body> tag in the automatically generated HTML:

6. Save all files and confirm that no error has been filed. Servers Select Tomcat8, right-click, start, see Tomcat is started.

Browser input: http://localhost:8080/project name/h

You should be able to see the output of the JSP page.

Eclipse uses struts2 to develop web App quick build

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