servlet+jsp+oracle（配置连接数据库）的java web项目实例

<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <display-name></display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> <welcome-file>index.html</welcome-file> </welcome-file-list> <servlet> <servlet-name>userServlet</servlet-name> <servlet-class>com.hsw.control.userServlet</servlet-class> <init-param> <param-name>name</param-name> <param-value>hsw</param-value> </init-param> <init-param> <param-name>password</param-name> <param-value>123456</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>userServlet</servlet-name> <url-pattern>/userServlet.do</url-pattern> </servlet-mapping> </web-app>