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Java基础 中的 利用JBuilder 2005 开发Spring


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  1. 下载spring包,网址如下:

  http://www.springframework.org/download.html

  解压后的目录中包含了dist、lib等子目录

  2. 在JBuilder2005中增加spring库,选择菜单Tools-Configure-Libraries,在弹出的对话框中点击New按钮,输入spring库的名称:spring,点击Add按钮,将dist目录中的所有jar文件增加到spring库中

  3. 新建工程文件,选菜单File-New Project,给工程文件取名为myProject

  设置工程文件的属性,选菜单Project-Project Properties,选择Tomcat作为服务器,将spring库加入Path/Required Libraries。因为例子中用到了log4j,将包含了log4j的库加入Path/Required Libraries,注意到lib目录下有两个子目录log4j和jakarta-commons,它们的用法是不同的,如下面的代码片断所示:

  log4j

  import org.apache.log4j.Level;
  import org.apache.log4j.Logger;

  public class SpringappController implements Controller {
  /** Logger for this class and subclasses */

  static Logger logger = Logger.getLogger(SpringappController.class);
  jakarta-commons
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  public class SpringappController implements Controller {
  /** Logger for this class and subclasses */
  protected final Log logger = LogFactory.getLog(getClass());

  4. 新建Web模块,选菜单File-New,给Web模块取名为springapp

  5. 新建hello.jsp文件如下:

  <%@ page contentType="text/html; charset=Big5" %>
  <html>
  <head><title>Example :: Spring Application</title></head>
  <body>
  <h1>Hello - Spring Application</h1>
  <p>Greetings.</p>
  </body>
  </html>

  6. 新建类文件SpringappController.java如下:

  package spring;

  import org.springframework.web.servlet.mvc.Controller;
  import org.springframework.web.servlet.ModelAndView;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;

  //import org.apache.commons.logging.Log;
  //import org.apache.commons.logging.LogFactory;

  import org.apache.log4j.Level;
  import org.apache.log4j.Logger;

  public class SpringappController implements Controller {
  /** Logger for this class and subclasses */
  // protected final Log logger = LogFactory.getLog(getClass());

  static Logger logger = Logger.getLogger(SpringappController.class);
  public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  logger.info("SpringappController - returning hello view");
  return new ModelAndView("hello.jsp");
  }
  }

  7. 修改web.xml文件

  <?xml version="1.0" encoding="UTF-8"?>
  <!DOCTYPE web-app PUBLIC '-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN' 'http://java.sun.com/dtd/web-app_2_3.dtd'>

  <web-app>

  <servlet>
  <servlet-name>springapp</servlet-name>
  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  <load-on-startup>1</load-on-startup>
  </servlet>

  <servlet-mapping>
  <servlet-name>springapp</servlet-name>
  <url-pattern>*.htm</url-pattern>
  </servlet-mapping>

  <welcome-file-list>
  <welcome-file>
   index.jsp
  </welcome-file>
  </welcome-file-list>

  </web-app>

  8. 在web-inf目录中新建springapp-servlet.xml文件如下

  <?xml version="1.0" encoding="UTF-8"?>

  <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">


  <!-- - Application context definition for "springapp" DispatcherServlet. -->

  <beans>
  <bean id="spr"