一、經(jīng)典的MVC模二、Struts1.xMVC的實三、Struts1.x的主要組件JavaBeanAction可以分為Action、DispatchAction等不Struts和JSTLStruts-config.xml四、Struts1.x開發(fā)實例-登錄五、Struts2（WebWork）的Struts2MVC六、Struts2的主要組處于Model層的ActionJavaBean配置文件，配置有Action、Result七、Struts2的實例-登MyEclipse環(huán)境中建立一個新的web工程，名稱Struts2Login”，存放路徑在Struts2.0.11版本中找到war包struts2-blank-2.0.11.war，解開該war包，在WEB-下出所有的jar包，這些jar包就是一個Struts2程序所需要的基礎jar包，把它們復制到新建的web工程的WEB-INF/lib 在 下建立一個類，包名mypack，類名UserAction，其代碼如下packagepackageimportpublicclassUserActionextends{privateStringusername;privateStringuserpass;publicString{return}publicvoidsetUsername(String{this.username=}publicString{return}publicvoidsetUserpass(String{this.userpass=}publicStringexecute()throwsExceptionif("Mike".equals(username)&&||" ".equals(username)&&"abc".equals(userpass))return"success";return}}在 <?xml<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" 定義Action(login.action<actionname="login"定義轉(zhuǎn)發(fā)路徑對應的字符串名<result<result過濾所有的url 在 下編寫3個jsp頁面，index.jsp、Success.jsp和Error.jsp，注意這里把指令中pageEncoding設置為“utf-8”，就沒有中文問題<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'index.jsp'starting提交到action--><formaction="login.action"參數(shù)名和action中的屬性名一樣<inputtype=text <inputtype=password<inputtype=submitname=submvalue="提交<inputtype=resetname=resetvalue="取消<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'Success.jsp'starting歡<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'Error.jsp'starting 1-21-3八、Struts2的中文亂碼解中有2種辦法可以解決這個問題：設置JSP頁面的pageEncoding=”utf-8”<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <Connectorport="8080"……2種方法可以解決POSTGET請求中的中文參數(shù)不能解決，GETTomcat<Connectorport="8080"……九、Struts2的Action中web對Struts2的Action就是一個普通的POJOWeb對象request、response、sessionapplicationActionAction中如何這些web對象呢？直接Web對HttpServletRequestrequest=ServletActionContext.getRequest();HttpServletResponseHttpServletRequestrequest=ServletActionContext.getRequest();HttpServletResponseresponse=ServletActionContext.getResponse();HttpSessionsession=ServletContextServletContextapplication=ActionActionContextcontext=com.opensymphony.xwork2.ActionContext是一Action執(zhí)行的上下文，Action執(zhí)行期間ActionContextcontext=Objectget(Object使用key來查找當前ActionContextMap返回一個Application獲得當前線程的ActionContextMapMapMap類型的HttpSession返回一個ValueStack類型OGNL向當前ActionContext設置application設置sessionMap我們推薦在程序中使用此方法來web對象。十、操作實例Struts2實現(xiàn)按類別查詢1-71-4Strut2Web應用配置文件，Struts2框架在其中配置了生成一個webproject，名稱為“Struts2按類別查詢”，指定存放路徑為f:\ packageimportjava.sql.Connection;importjava.sql.SQLException;packageimportjava.sql.Connection;importjava.sql.SQLException;publicclassDbConnpublicstaticConnection{Connectionconn=null;try{ conn=DriverManager.getConnection(}catch(ClassNotFoundExceptione)//TODOAuto-generatedcatchblock}catch(SQLExceptione)//TODOAuto-generatedcatchblock}return}}packagepackageimportjava.sql.Connection;importjava.util.ArrayList;importjava.util.List;importpublicclassBookOperpublicList<Book>selectByType(String{Connectionconn=db.DbConn.getConn();java.sql.PreparedStatementpstmt=null;java.sql.ResultSetrs=null;List<Book>data=newArrayList<Book>();try{pstmt=.prepareStatement("select.prepareStatement("selecttitle_id,title,type,pricefromtitleswheretype=?");pstmt.setString(1,type);rs=pstmt.executeQuery();while(rs.next()){Bookbook=newBook();}}catch(SQLExceptione)//TODOAuto-generatedcatchblock}finallyif(rs!=null)try{}catch(SQLExceptione)//TODOAuto-generatedcatchblock}if(pstmt!=null)try{}catch(SQLExceptione)//TODOAuto-generatedcatchblock}if(conn!=null)try{}catch(SQLExceptione)//TODOAuto-generatedcatchblock}}return}}數(shù)據(jù)持久化類packagepackage publicpublicclass{privateStringtitleid;privateStringtitle;privateStringtype;privatefloatpublicfloat{return}publicvoidsetPrice(float{this.price=}publicString{return}publicvoidsetTitle(String{this.title=}publicString{return}publicvoidsetTitleid(String{this.titleid=}publicString{return}publicvoidsetType(String{this.type=}生成Struts2的Action對象，在 packagepackageimportimportpublicclassBookActionextendsprivateStringtypeprivateBookOperbonewBookOperpublicStringgetType()returnreturn}publicvoidsetType(String{this.type=}publicStringexecute()throwsException//TODOAuto-generatedmethod//查詢結(jié)果放在requestreturnSUCCESS;"success"}}<?xml<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <actionname="typequery"<!--name="success"--JSPindex.jsp<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'index.jsp'starting <formaction="typequery.action"<inputtype=submitname=submvalue="查詢<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<%@taglib /jsp/jstl/core"prefix="c"Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'booklist.jsp'starting<table <c:forEachvar="book"<td>${book.type修改web.xml，在其中配置Struts2<?xml<?xmlversion="1.0"encoding="UTF-<web-appversion="2.4"xmlns="h" tomcat5.5以上版本中web程序為“type”，運行效果如圖1-8和1-91-81-9Action的分繼承ActionSupportpackagepackageimportcom.opensymphony.xwork2.ActionSupport;publicclass oWorldextendsActionSupport{privateStringmessage;publicStringgetMessage(){return}publicvoidsetMessage(String{this.message=}publicStringexecute()throwsExceptionTODOAuto-generatedmethodstubmessage="大家好!";return}}ActionSupport實現(xiàn)了Action接口，這個接口中定義了一些常量和execute interfacepublicstaticfinaljava.lang.StringSUCCESS="success";publicstaticfinaljava.lang.StringNONE="none";publicstaticfinaljava.lang.StringERROR="error";publicstaticfinaljava.lang.StringINPUT="input";publicstaticfinaljava.lang.StringLOGIN="login"; java.lang.Stringexecute()throws}publicclasscom.opensymphony.xwork2.ActionSupportimplements publicclasscom.opensymphony.xwork2.ActionSupportimplements publicvoidaddFieldError(java.lang.StringpublicStringexecute()throwspublicvoid}<?xmlversion="1.0"<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <action o" Struts2的ActionMVC模型層，Action中的方法代表業(yè)務邏輯，Action中的屬性代表請求中的參數(shù)，當頁面請求參數(shù)較多的時候，把過多的參數(shù)對象的屬性定義在Action中JavaBeanModelDrivenActionActionAction實現(xiàn)ModelDriven接口，假如登錄頁面需要傳輸參數(shù)usernameuserpass2個參數(shù)封裝在一JavaBean中，然后Action中定義JavaBeanModel即可，代碼如下：packagepackage publicclassUserinfo{privateStringusername;privateStringpublicStringgetUsername(){returnusername;}publicvoidsetUsername(String{this.username=}publicString{return}publicvoidsetUserpass(Stringuserpass)this.userpassthis.userpass=}}packagepackageimportimportcom.opensymphony.xwork2.ModelDriven;publicclassUserActionextendsActionSupportimplementsModelDriven<Userinfo>{privateUserinfomodel=newUserinfo();publicStringexecute()throwsException//TODOAuto-generatedmethodstubreturnSUCCESS;}publicUserinfogetModel()//TODOAuto-generatedmethodstubreturnmodel;}}/>Userinfo中的屬性usernameModelDriven接口中的方法getModel()必須<?xml<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <actionname="user"<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<%@tagliburi="/struts-tags"Stringpath=request.getContextPath();StringStringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'new.jsp'starting多方法的ActionAction來處理呢？我們有2種辦法來處理這個問題：一個Action對應一個業(yè)務邏輯，實現(xiàn)方便，但是Action數(shù)量多，struts.xml中需要配置一個Action對應多個業(yè)務邏輯，例如表的CRUD操作，含有多個業(yè)務邏輯，我們只寫一個Action來實現(xiàn)，Action的數(shù)量沒有增加，struts.xml的配置也簡單，所以這種方法Action中自定義方法的和execute方法一樣，方法的調(diào)用路徑為“Action名稱!方法publicString方法名()throws 以用戶表Userinfo的CRUD操作為例，看一下多方法Actionpackagepackageimportimportimportcom.opensymphony.xwork2.ModelDriven;crudprivateUserServiceuserservice=newUserService();privateUserinfouserinfo=newUserinfo();//模型對象publicpublicUserinfogetModel()//TODOAuto-generatedmethodstubreturnuserinfo;}publicStringcreate()throwsreturnSUCCESS;}publicStringretrive()throwsException查詢結(jié)果放在requestreturn"list";}publicStringupdate()throwsreturnSUCCESS;}publicStringdelete()throws{;return}//默認的publicStringexecute()throws{return}}<?xmlversion="1.0"encoding="UTF-8"<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <actionname="CrudUser"<result2-1多方法ActionAction中表示跳轉(zhuǎn)的目的地使用了在struts.xml配置的字符串，格式為：<resultname=””type=””></result>，type可以有多種選擇，Struts2支持各種視圖技術，例如JSP、JSF、XML等，默認的是JSP。常見的type類型配置如下：<result<resultname=”b”<result<resultname=”b”重定向到JSP頁面，和response.sendRedirect(“”)<resultname=”a” <param<param的Action<param<param<result<param<param<result<param<param<param<param<param<param<param類型在用 文件（例如PDF文件等）等情況下非常有意義<resultname="success"<param<resultname="success"<paramjsfJSF的resulttitles：用于整合Titlesresultxslt：用于整合XML/XSLTresult這些視圖技術的支持，有些還需要導入相應的插件包，即Struts2提供的含有plugin字樣的jar包。packagepackageimportjavax.servlet.http.HttpServletRequest;importoper.UserOper;importimportcom.opensymphony.xwork2.ActionContext;importcom.opensymphony.xwork2.ActionSupport;importcom.opensymphony.xwork2.ModelDriven;publicclassUserActionextendsActionSupportimplementsModelDriven<Userinfo>{privateUserinfouser=newprivateUserOperuo=newUserOper();publicUserinfogetModel(){//TODOAuto-generatedmethodreturn}publicStringprecreate()throws{return}publicStringcreate()throwsreturnselect();}publicStringdelete()throwsreturnselect();}publicStringupdate()throwsreturnselect();}publicStringselect()throws{ActionContext.getContext().put("userlist",uo.retriveAll());returnSUCCESS;}publicStringretrive()throwsExceptionUserinfomyuser=uo.retriveOne(user.getUserid()); return}publicvoid{}publicvoid{checkForm();","}publicvoidcheckForm()HttpServletRequestrequest=ifuser.getUsernamenull||user.getUsername().equals(""))this.addFieldError("username","用戶名不能為空"); ifuser.getUserpassnull||user.getUsername().equals(""))this.addFieldError("userpass"," //2 elseif if(user.getSfznull||user.getSfz().equals(""))this.addFieldError("sfz"," elseifuser.getSfz().matches("^\\d{17}[\\d|X]|\\d{15}$"))this.addFieldError("sfz"," if(user.get ()==null||user.get "," elseif(!user.get "," if(user.getBirthday()==null) if(user.getInterest()==null)this.addFieldError("interest"," if(user.getWorktime()<1||user.getWorktime()>100)ififuser.getIntronull||user.getIntro().equals(""))this.addFieldError("intro","簡介不能為空");}}<?xmlversion="1.0"encoding="UTF-8"<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" 修改后的xml自動加載<actionname="user"<result<result<?xmlversion="1.0"encoding="UTF-<!DOCTYPEvalidators"-//OpenSymphonyGroup//XWorkValidator"<fieldname--<field-validator<?xmlversion="1.0"encoding="UTF-<!DOCTYPEvalidators"-//OpenSymphonyGroup//XWorkValidator"<fieldname--<field-validator <field-validator<param<param age--<field<field-validator<param<param <field<field-validator<param<param<field<field-validator<field-validator行，即Action的局部資源文件StuAperties做如下修改，這樣當數(shù)據(jù)類型轉(zhuǎn)換異常的時2-9Strut2的在struts.xml在 下建立中文和英文的資源文件，中文資源文使用native2ascii工具把該文件轉(zhuǎn)換為unicodeerror=Sorry!YoucannotloginStringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'Login.jsp'starting<s:form<s:textfieldname="username"<s:passwordname="userpass"<s:submit<%@page<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<%@tagliburi="/struts-tags"Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'Success.jsp'starting<s:property<s:text登錄失敗頁面Error.jspStringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++Stringpath=request.getContextPath();StringbasePath=request.getScheme()+"://"+request.getServerName()+":"++path+<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<base<title>MyJSP'Error.jsp'starting<s:text中的屬性key用于資源文件，<s:textname=””/>中的name屬性用于資源文件在jsp頁面中使用庫指令引入后<%tagliburi=”/struts-tags”prefix=”s”%>，就可以使用所有的Struts2了。器（interceptor）是Struts2框架組成部分。很多功能都是構建在器基礎之上的，例如文件的上傳和、、數(shù)據(jù)類型轉(zhuǎn)換和數(shù)據(jù)有效性驗證等，Struts2利用器就是動態(tài)Action調(diào)用的對象。它提供了一種機制，使開發(fā)者可以定義一個特定的功能模塊，這個模塊可以在Action執(zhí)行之前或之后運行，也可以在一個Action執(zhí)行之前Action執(zhí)行。同時也提供了一種可以提取Action中可重用部分的方式。Struts2框架的Action被一個或者多個器（器棧）所包圍，所有的用戶請求都會被器所，然后交給Action處理，處理結(jié)果以邏輯視圖的方式返回給用戶。而這個調(diào)用的執(zhí)行流程，是由Strut2的配置文件（struts.xml）來實現(xiàn)的。面幾章中，沒有明確說明器，為什么可以直接調(diào)用Action呢？那是因為在Struts2框架中如果沒有顯式的器配置，則系統(tǒng)會調(diào)用默認的器來調(diào)用Action，在假設我們需要實現(xiàn)這么一個功能，在調(diào)用每個Action之前都能在控制臺打印出“oWorld”。這樣的一個功能使用Struts2器來實現(xiàn)最簡單。下面介紹一個具體的實現(xiàn)建立一個Action類MyAction.javapackagepackagepublicclassMyActionextendsActionSupportprivateintage;//publicprivateintage;//publicintgetAge(){return}publicvoidsetAge(int{this.age=}publicStringexecute()throwsException//TODOAuto-generatedmethodstubSystem.out.println("Actionexecute return}}packageinterceptor;packageinterceptor;importimportpublic oWorldInterceptorInterceptorpublicStringintercept(ActionInvocationarg0)throwsException//獲得被調(diào)用的ActionObjectaction=//打 //執(zhí)行Action或調(diào)用下一 Stringresult=//執(zhí)行完action后提returnresult; oWorldInterceptor.java，其代碼如下<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <actionname="test" 在struts.xml中加 器的配置，見struts.xml內(nèi)容<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <interceptorname=" <actionname="test"<!--action <interceptor-ref }}<%@pagelanguage="java"import="java.util.*"<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<%@tagliburi="/struts-tags"prefix="s"<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<title>MyJSP'Success.jsp'starting<h1>調(diào)用成功<s:property運行該web程序，在地址欄輸入，運行效果如圖4-1到4-2所示。4-1Action后的輸<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <!--定 器--<interceptorname=" <actionname="test" 器--<!--action 器<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <!--定 器--<interceptorname=" <actionname="test" 器--<!--action 器-- oworld"圖4-3加入默認器后的執(zhí)行結(jié)Struts2框架默認使用Common-fileUpload組件實現(xiàn)文件上傳，該組件將解析出HttpServletRequest請求中的文件域信息，并使用IO流方式，將文件保存在服務器的指定位Struts2框架中本身不帶有Common-fileUpload組件的jar包，需要自己后放在程序的WEB-INF/lib 中，需要2個jar包，一個是commons-fileupload-1.2.1.jar，可從網(wǎng)址mons/fileupload，另一個是commons-io-1.4.jar，可從mons/io/。<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<%@taglib<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<%@tagliburi="/struts-tags"prefix="s"<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<title>MyJSP'index.jsp'starting上傳文件:<s:fileformenctypemultipart/form-data。enctype用來指定表單數(shù)據(jù)的編碼方式，有如下3個值。application/x-www-form-urlencoded：指定該值，則表單中的數(shù)據(jù)被編碼為Key-Value對，multipart/form-data：使用mime編碼，會以二進制流的方式來處理表單數(shù)據(jù)，文件上傳privatejava.io.Filexxx;//封裝上傳文件的二進制內(nèi)容privateStringxxxFileName;//封裝上傳文件的文件名file類型表單域docAction中的java.io.Filedoc對于Action中的屬性docContentType。一般說來，為了上傳文件，如果表單稱為xxx，那么在privatejava.io.Filexxx;//封裝上傳文件的二進制內(nèi)容privateStringxxxFileName;//封裝上傳文件的文件名packagepackageimportjava.io.File;publicclassFileInfo{privateFiledoc;privateStringdocFileName;//封裝上傳文件的名稱屬性privateStringdocContentType封裝上傳文件的類型屬性privateStringtargetdir;//保存路徑privateStringtargetfilename保存的文件名publicFilegetDoc(){return}}publicvoidsetDoc(File{this.doc=}publicString{return}publicvoidsetDocContentType(String{this.docContentType=}publicString{return}publicvoidsetDocFileName(String{this.docFileName=}publicString{return}publicvoidsetTargetdir(String{this.targetdir=}publicString{return}publicvoidsetTargetfilename(String{this.targetfilename=}}用于文件上傳的Actionpackageaction;packageaction; importpo.FileInfo;importcom.opensymphony.xwork2.ModelDriven;publicclassFileUploadActionextendsActionSupportimplementsModelDriven<FileInfo>{FileInfofileinfo=newFileInfo();publicFileInfogetModel(){//TODOAuto-generatedmethodreturnreturn}publicStringexecute()throwsException//TODOAuto-generatedmethod//獲得服務器上保存上傳文件的 Stringrealpath=//把doc內(nèi)容 returnSUCCESS;}privatesynchronizedStringgenerateFileName(String{intposition=filename.lastIndexOf(".");Stringext=filename.substring(position);returnSystem.nanoTime()+ext;}}<?xmlversion="1.0"encoding="UTF-8"<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <actionname="fileupload"顯示結(jié)果頁面Success.jsp<%@<%@pagelanguage="java"import="java.util.*"<%@tagliburi="/struts-tags"prefix="s"<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<title>MyJSP'Success.jsp'starting上傳文件類型：<s:propertyvalue="docContentType"/><br>上傳成功后文件位置：<s:propertyvalue="targetdir"/><br>上傳：<imgwidth=200height=200src="<s:property4-4圖4-5上傳后顯<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration <?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration <actionname="fileupload"<result允許上傳的文件類型<param<!--上傳文件的最大容量單位字節(jié)<param 4-64-7錯誤提示都是英文，如果要改成中文提示，需要配置全局資源文件轉(zhuǎn)換編碼成為unicode編碼。然后在struts.xml中引入該資源文件<constantname="struts.custom.i18n.resources"value="globalMessage"/>。4-84-9在struts.xml中配置<constantname="struts.multipart.saveDir"value="/tmp"/>用于指定上 packageimportimportcom.opensymphony.xwork2.ActionSupport;publicclassFileDownloadActionextends{privateStringinputpath;// privateStringcontenttype;//文件類型privateStringfilename;//文件名packageimportimportcom.opensymphony.xwork2.ActionSupport;publicclassFileDownloadActionextends{privateStringinputpath;// privateStringcontenttype;//文件類型privateStringfilename;//文件名publicjava.io.InputStream{}publicStringexecute()throwsException//調(diào)用相關業(yè)務邏輯方法動態(tài)設置信息inputpathupdfile/Bliss.jpg";contenttype="image/jpeg";//解決的中文文件名問.URLEncoder.encode("文件.jpg","utf-8");returnSUCCESS;}publicString{return}publicvoidsetContenttype(String{this.contenttype=}publicString{return}publicpublicvoidsetFilename(String{this.filename=}publicString{return}publicvoidsetInputpath(String{this.inputpath=}}Actionresult類型為stream<actionname="filedownload"<resultActionresult類型為stream<actionname="filedownload"<resultname="success"<param<param<param 地址欄輸 4-4-2-192-53Actionupdate()方法時執(zhí)行的驗證框架文Action局部資源文件，用于自帶的提示信packageaction;importpo.Userinfo;importcom.opensymphony.xwork2.ActionContext;importcom.opensymphony.xwork2.ActionSupport;importcom.opensymphony.xwork2.ModelDriven;publicclassUserActionextendsActionSupportimplementspackageaction;importpo.Userinfo;importcom.opensymphony.xwork2.ActionContext;importcom.opensymphony.xwork2.ActionSupport;importcom.opensymphony.xwork2.ModelDriven;publicclassUserActionextendsActionSupportimplementsprivateUserinfouser=newprivateUserOperuo=newUserOper();publicUserinfogetModel(){//TODOAuto-generatedmethodstubreturnuser;}publicStringprecreate()throws{return}publicStringcreate()throwsreturnselect();}publicStringdelete()throwsreturnselect();}publicStringupdate()throwsreturnselect();}publicpublicStringselect()throws{ActionContext.getContext().put("userlist",uo.retriveAll());returnSUCCESS;}publicStringretrive()throwsExceptionUserinfomyuser=uo.retriveOne(user.getUserid()); return}publicUserinfo{return}publicvoidsetUser(Userinfo{this.user=}}<?xml<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN" <!--修改后的xml<actionname="user*"class="action.UserAction"<result<result為create和update方法編寫驗證框架文件，命名方式為：<Action類名>-<別名>-validation.xml，和Action類放在同一個 <?xml<?xmlversion="1.0"encoding="UTF-<!DOCTYPEvalidators"-//OpenSymphonyGroup//XWorkValidator