package org.lsy.servlet; import java.io.IOException; import java.io.PrintWriter; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.Statement; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class Add extends HttpServlet { public static final String DBURL = "jdbc:mysql://localhost:3306/kui"; // 连接数据库的用户名 public static final String DBUSER = "root"; // 连接数据库的密码 public static final String DBPASS = "001011"; @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // TODO Auto-generated method stub doGet(req, resp); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //设置请求和响应的编码 ,不然页面上容易出现乱码 request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); response.setContentType("text/html;UTF-8"); //输出流 PrintWriter out = response.getWriter(); //数据库连接代码 try { Connection conn = null; // 表示数据库的连接的对象 Statement pstmt = null; // 表示数据库的更新操作 String nameString=request.getParameter("name"); String grentString=request.getParameter("grent"); String resultString=request.getParameter("result"); System.out.print(nameString); String sql="insert into student(name,calssGrent,result) values('"+nameString+"','"+grentString+"','"+resultString+"')"; // 1、使用Class类加载驱动程序 Class.forName("com.mysql.jdbc.Driver"); // 2、连接数据库 conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS); pstmt=conn.createStatement(); int pd=pstmt.executeUpdate(sql); if (pd!=0) { out.println("添加成功"); out.println("
查看列表"); } conn.close(); } catch (Exception e) { e.printStackTrace(); } out.flush(); out.close(); } }