jsp页面表单的数据怎么提交到后台的oracle数据库，并用servelet接受数据？？有例子更好

答案：首先：jsp的form表单
<form action="servlet/Student" method="post">
		<table>
			<tr>
				<td>课程名称：</td>
				<td><input type="text" name="courseName"/><span style="color:red;">*</span><html:errors property="userName"/></td>
			</tr> 
						<tr>
				<td colspan="2" align="center">
					<input type="submit" value="提交"> 
				</td>
			</tr>
		</table>
    </form>

其次：servlet 的内容：
public class Student extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

			doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//通过request.getParameter("name属性值");来获取表单中的值
		Connection conn=null;
		String userName =request.getParameter("userName");
		try {
			Class.forName("com.mysql.jdbc.Driver");//注册驱动
		
			conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/t59", "aa", "aa");//参数分别为url username password
			
			PreparedStatement pStatement =conn.prepareStatement("insert into course  values (null,?)");
			pStatement.setString(1, userName);
			
			pStatement.executeUpdate();//执行增删改时用
                            //对于查询用ResultSet rSet=pStatement.executeQuery();；接着进行遍历			
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		
	}

}

注意：
1.form表单中的action值：是根据web.xml里面的来确定
2.获取表单中的值采用:request.getParameter("name属性值");
3.要加数据库驱动包
4.该例子是采用mysql做的
5,sql语句中的占位符“？”，设置值时索引从1开始

希望对你有帮助

其他：String s = request.getParamenter("youdata");
利用jdbc执行语句:update 表 set  列=s 。。。。

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