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Hoe je Java Struts Zorg
De vaardigheid , productiviteit , overdraagbaarheid van platforms en de beveiliging van Java maken het de ideale technologie voor netwerkcomputers en Web ontwikkelingsprojecten , zoals Apache Struts integratie en uitvoering . Java is overal te vinden , van laptops tot datacenters , mobiele telefoons met het internet , en gaming systemen om state - of-the - art supercomputers . Java integreert goed met de Apache Struts Project, dat is de reden waarom de laatste is de meest erkende Web applicatie framework voor Java . Instructies

ingang 1 van de onderstaande code om een JSP- bestand en noem het logon.jsp . Deze vorm illustreert het effect van Struts Action Framework met uw HTML en JSP -elementen , in het bijzonder de vorm - handling gedeelte :

< % @ page language = " java " % >

< % @ taglib uri = " /WEB-INF/struts-html.tld " prefix = " html " % >

< % @ taglib uri = " /WEB-INF/struts-bean.tld " prefix = " bean " % >

<p> <br> < bean : bericht key = " logon.title " /> <br> <p> < /title > <br> <p> < /head > <p> <body <br> bgcolor="white"> < <html:errors/> <br> <p> <html:form action="/logon" <br> <p> < table border = " 0 br > <p> focus="username"> 100 % " width = " " > <p> <tr> <br> <p> <th class="right"> <br> <p> <br> < bean : bericht key = " prompt username " > <br> <p> < /th > <br> <p> <td class="left"> <br> <p> < html /: text eigenschap = " username "formaat . = " 16 " > <br> <p> < /td > <br> <p> < /tr> <p> <tr> <br> <p> <br> < e klasse /= " rechts" key="prompt.password"/> <br> <p> < /th > <p> <bean:message <br>> <p> < td class = "left " > <br> <p> <html:password property="password" size="16"/> <br> <p> < /td > <br> <p> < /tr> < > <p> <tr> <br> <p> <td class="right"> <p> <html:submit> <br> <p> <br> < bean br : bericht key = " button.submit " > <br> <p> < /html /: > <br> <p> < /td > <br> <p> <td class="right"> < br indienen > <p> <html:reset> <br> <p> < bean : bericht Pagina 2 <p> Plak de onderstaande code om gegevens van een ActionForm een zakelijk object : <p> PropertyUtils.copyProperties <br> ( ActionForm , BusinessObject ) ; <br> <p> Reverse de parameters als je plaats wilt om gegevens van een business object over te dragen aan een ActionForm : <p> PropertyUtils.copyProperties <br> ( BusinessObject , ActionForm ) ; <br> <p> Ingang 3 van de code naar uw presentatie pagina te maken met de struts - html -tag library . Dit bestand zal als uw meerdelige formulier dienen : <br> <p> < % @ page action = " uploadAction.do " enctype = " multipart /form - data " > <br> <p> Input Tekst : <html:text property="myText"> <br> <p> Input De File u wilt uploaden : <html:file property="myFile"> <p> <html:submit <br> /> <br> <p> < /html : formulier > <br> 4 <p> Plak de volgende code om uw Struts project om uw ActionForm bean creëren . Dit FormFile zal uw actie klas uitvoeren en ophalen van de informatie voor uw Struts project : <p> import javax.servlet.http.HttpServletRequest <br> ; <p> import javax.servlet.http.HttpServletResponse <br> ; <br> <p > import org.apache.struts.action.ActionForm ; <p> import org.apache.struts.action.ActionMapping <br> ; <p> import org.apache.struts.upload.FormFile <br> ; <br> <p> public class uploadformulier breidt ActionForm { <br> <p> beschermd String myText ; <br> <p> beschermd FormFile myFile ; <p> public void setMyText <br> ( String tekst ) { <p> myText <br> = tekst ; <br> <p> } <p> public String getMyText <br> ( ) { return <p> myText <br> ; <p> } <p> public void setMyFile ( FormFile bestand <br> ) { <p> myFile <br> = bestand ; <p> <br> } <p> openbare FormFile getMyFile ( <br> ) { return <p> <br> myFile ; <br> <p> } <br> <p> } <br> <br></td> </tr> </table> <table border=0 cellSpacing=0 cellPadding=0 width=970 align=center height=90> <tr> <td bgColor=#e7edf4 align=middle><script 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