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實(shí)戰(zhàn)Jbuilder7+JBoss3+SQL Server200
瀏覽:78日期:2023-10-27 12:02:42
0 內(nèi)容: 內(nèi)容介紹: 本文講述了建立一個(gè)典型的3層結(jié)構(gòu)的J2EE的實(shí)現(xiàn)過(guò)程,主要是實(shí)現(xiàn)過(guò)程,沒(méi)有理論說(shuō)明。這完全是根據(jù)我個(gè)人的經(jīng)驗(yàn)所寫(xiě),希望能夠?qū)Υ蠹矣兴鶐椭瑲g迎大家多多批評(píng)指正! 假設(shè)Jbuilder7和JBoss3x 安裝完畢,操作系統(tǒng)為:windows2000 server(SP2),數(shù)據(jù)庫(kù)為: SQLServer2000(SP2)。JDBC為Microsoft SQLServer2000的驅(qū)動(dòng)。例子源碼:http://weisoft.myrice.com/download/JBossDemo.rar,(SQLServer sa密碼為csdn)一. 環(huán)境設(shè)置1. 下載并安裝JBossOpenTool For JBuilder 7http://weisoft.myrice.com/download/JBuilder_JBossOT.jar將下載的JbossOpenTool.jar拷貝至Jbuilder7的libext目錄下,重起JBuilder。1. 配置MS SQL Server 2000 JDBCJBoss設(shè)置:將msbase.jar, msutil.jar, mssqlserver.jar三個(gè)文件拷貝至Jboss的Serverdefaultlib目錄下。將Jboss的docsexamplesjca目錄下的mssql-service.xml, mssql-xa-service.xml文件拷貝至Jboss的serverdefaultdeploy目錄下,并做如下修改:mssql-service.xml(紅色是修改部分,分別是數(shù)據(jù)庫(kù)名,用戶名,密碼,根據(jù)你的環(huán)境調(diào)整即可):jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Northwindsacsdnmssql-xa-service.xml(紅色是修改部分,分別是sqlserver服務(wù)器名,數(shù)據(jù)庫(kù)名):ServerName=localhost;DatabaseName=Northwind;SelectMethod=cursorJBuilder配置:選擇:Tools->Enterprise Setup,單擊Database Drivers頁(yè)上的Add, 在彈出的對(duì)話框中單擊New,. 在彈出的對(duì)話框中填寫(xiě)Name為MS SQL Server JDBC, Location選擇User Home,單擊Add按鈕,選擇msbase.jar, msutil.jar, mssqlserver.jar,單擊OK關(guān)閉當(dāng)前對(duì)話框,可以看到MS SQL Server JDBC已被加入,單擊OK關(guān)閉當(dāng)前對(duì)話框,再次單擊OK,配置完成。重起JBuilder 7。2. 啟動(dòng)Jbuilder7,選擇:Tools->Configure Servers選中左側(cè)的JBoss 3.X,選中右邊的Enable Server,按下表信息填寫(xiě):General頁(yè):Home Directiry = F:jboss-3.0.4_tomcat-4.1.12 // Project properties,在Path頁(yè)的Required Libraries中單擊Add按鈕,在彈出的對(duì)話框中選擇我們剛才建立的JBoss Libs,單擊OK。選擇Server頁(yè),選中Single Server For All Service in Project,在下拉列表中選擇JBoss 3.X,單擊OK。2. 新建一個(gè)EJB Module:選擇File->New,在彈出的對(duì)話框中選擇Enterprise頁(yè)中的EJB Module圖標(biāo),單擊OK。在彈出的對(duì)話框中Name欄填寫(xiě)JBossDemoModule,其它不變,單擊OK。3. 新建兩個(gè)CMP右鍵單擊左下角的DataSource,選擇Import Schema From Database,按如下信息在彈出的對(duì)話框中填寫(xiě):Driver = com.microsoft.jdbc.sqlserver.SQLServerDriverURL = jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=NorthwindUserName = sa // ßSQLServer用戶名Password = “ // ßSQLServer密碼JNDI Name = java:/MSSQLDS在Extended properties中添加一項(xiàng)DatabaseName = Northwind選中All Schemas和Views項(xiàng)單擊OK。成功的話,在DataSource下面將出現(xiàn)一個(gè)java:/MSSQLDS項(xiàng),單擊其左側(cè)的+號(hào),將其展開(kāi),將會(huì)看到表名。右鍵單擊Employees表,選擇CMP 2.0 Entity Bean, 同樣右鍵單擊Orders表,選擇CMP 2.0 Entity Bean。4. 建立表關(guān)系右鍵單擊右側(cè)的代表Employees表的矩形,選擇Add->Relationship后,單擊指向代表Oderss表的矩形后,將會(huì)看到一條線把兩個(gè)矩形連接起來(lái)了,同時(shí)Employees表多了一個(gè)orders字段。單擊右下角的JBossCMP-JDBC頁(yè),按如下填寫(xiě),其它不變:datasource = MSSQLDSdatasource-mapping = Hypersonic SQL選擇File->Save All保存項(xiàng)目。選擇Project->“Make Project JbossDemo.jpx編譯項(xiàng)目。5. 建立Session Bean在右邊的空白處單擊右鍵,選擇Create EJB-> Session Bean, 將Bean Name改為GetData,右鍵單擊代表這個(gè)Session Bean的矩形,選擇Add->Method,按如下填寫(xiě):Method Name = GetOrdersByEmployeesIDReturn Type = VectorInput Parameters = Integer IDInterface = Remote選擇File->Save All保存項(xiàng)目。選擇Project->“Make Project JbossDemo.jpx編譯項(xiàng)目。6. 編寫(xiě)代碼右鍵單擊代表GetData的矩形,選擇 View Bean Source。在開(kāi)始處加入以下語(yǔ)句:import java.util.*;import javax.naming.*;按如下填寫(xiě)GetOrdersByEmployeesID: public Vector GetOrdersByEmployeesID(Integer ID) { Vector result = new Vector(); result.add(ID); try { Context ctx = new InitialContext(); EmployeesHome home = (EmployeesHome)ctx.lookup('Employees'); Employees emp = home.findByPrimaryKey(ID); Collection orders = emp.getOrders(); Iterator it = orders.iterator(); while(it.hasNext()) { Orders order = (Orders)it.next(); result.add(order.getOrderID()); } } catch (Exception ex) { System.out.println('ShowOrdersByEmployeesID() error : ' + ex.getMessage()); } return result; }7. 建立Servlet選擇File->New,在彈出的對(duì)話框中選擇Web頁(yè)中的Servlet圖標(biāo),單擊OK。在彈出的對(duì)話框中Class Name欄填寫(xiě)FormServlet,其它不變,單擊Next,選中doGet()項(xiàng),其它不變,單擊Finish。按如下填寫(xiě)FormServlet.java的doGet()函數(shù): public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println('Enter the Employees ID'); out.println('Enter Employees ID in the input fields below.'); out.println('
標(biāo)簽:
Sql Server
數(shù)據(jù)庫(kù)
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