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@@ -1,82 +1,82 @@
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-package org.lsy.servlet;
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-
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-import java.io.IOException;
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-import java.io.PrintWriter;
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-import java.sql.Connection;
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-import java.sql.DriverManager;
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-import java.sql.Statement;
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-
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-import javax.servlet.ServletException;
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-import javax.servlet.http.HttpServlet;
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-import javax.servlet.http.HttpServletRequest;
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-import javax.servlet.http.HttpServletResponse;
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-
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-public class Update extends HttpServlet
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-{
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- // 驱动程序就是之前在classpath中配置的jdbc的驱动程序的jar包中
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-
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-
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-
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- // 连接地址是由各个数据库生产商单独提供的，所以需要单独记住
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- public static final String DBURL = "jdbc:mysql://localhost:3306/kui";
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- // 连接数据库的用户名
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- public static final String DBUSER = "root";
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- // 连接数据库的密码
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- public static final String DBPASS = "001011";
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-
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-
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- public void doGet(HttpServletRequest request, HttpServletResponse response)
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- throws ServletException, IOException
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- {
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- try
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-
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- {
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- request.setCharacterEncoding("UTF-8");
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- response.setCharacterEncoding("UTF-8");
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- response.setContentType("text/html;UTF-8");
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- PrintWriter out = response.getWriter();
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- Connection conn = null; // 表示数据库的连接的对象
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- Statement stmt = null; // 表示数据库的更新操作
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- //获取表单提交的参数
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- String name=request.getParameter("name");
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-
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-
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- String grent=request.getParameter("grent");
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- String result=request.getParameter("result");
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- //更新SQL
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- String sqlString="update student set name='"+name+"' ," +
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- "calssGrent='"+grent+"',result='"+result+"' where name='"+name+"' ";
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- // 1、使用Class类加载驱动程序
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- Class.forName("com.mysql.jdbc.Driver");
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- // 2、连接数据库
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- conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
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- // 3、Statement接口需要通过Connection接口进行实例化操作
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- stmt = conn.createStatement();
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- int pd=stmt.executeUpdate(sqlString);
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- if(pd!=0)
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- {
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- out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
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- out.println("<HTML>");
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- out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
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- out.println(" <BODY>");
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- out.print(" 更新成功<br><a href=MMC_01>查看列表</a> ");
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- out.println(" </BODY>");
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- out.println("</HTML>");
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- }
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- out.flush();
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- out.close();
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- stmt.close();
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- conn.close();
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- }
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- catch (Exception e)
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- {
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- // TODO: handle exception
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- }
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- }
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- public void doPost(HttpServletRequest request, HttpServletResponse response)
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- throws ServletException, IOException
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- {
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- doGet(request, response);
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- }
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-
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+package org.lsy.servlet;
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+
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+import java.io.IOException;
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+import java.io.PrintWriter;
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+import java.sql.Connection;
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+import java.sql.DriverManager;
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+import java.sql.Statement;
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+
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+import javax.servlet.ServletException;
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+import javax.servlet.http.HttpServlet;
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+import javax.servlet.http.HttpServletRequest;
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+import javax.servlet.http.HttpServletResponse;
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+
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+public class Update extends HttpServlet
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+{
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+ // 椹卞姩绋嬪簭灏辨槸涔嬪墠鍦╟lasspath涓�厤缃�殑jdbc鐨勯┍鍔ㄧ▼搴忕殑jar鍖呬腑
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+
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+
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+
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+ // 杩炴帴鍦板潃鏄�敱鍚勪釜鏁版嵁搴撶敓浜у晢鍗曠嫭鎻愪緵鐨勶紝鎵€浠ラ渶瑕佸崟鐙��浣�
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+ public static final String DBURL = "jdbc:mysql://localhost:3306/kui";
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+ // 杩炴帴鏁版嵁搴撶殑鐢ㄦ埛鍚�
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+ public static final String DBUSER = "root";
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+ // 杩炴帴鏁版嵁搴撶殑瀵嗙爜
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+ public static final String DBPASS = "001011";
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+
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+
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+ public void doGet(HttpServletRequest request, HttpServletResponse response)
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+ throws ServletException, IOException
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+ {
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+ try
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+
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+ {
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+ request.setCharacterEncoding("UTF-8");
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+ response.setCharacterEncoding("UTF-8");
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+ response.setContentType("text/html;UTF-8");
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+ PrintWriter out = response.getWriter();
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+ Connection conn = null; // 琛ㄧず鏁版嵁搴撶殑杩炴帴鐨勫�璞�
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+ Statement stmt = null; // 琛ㄧず鏁版嵁搴撶殑鏇存柊鎿嶄綔
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+ //鑾峰彇琛ㄥ崟鎻愪氦鐨勫弬鏁�
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+ String name=request.getParameter("name");
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+
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+
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+ String grent=request.getParameter("grent");
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+ String result=request.getParameter("result");
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+ //鏇存柊SQL
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+ String sqlString="update student set name='"+name+"' ," +
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+ "calssGrent='"+grent+"',result='"+result+"' where name='"+name+"' ";
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+ // 1銆佷娇鐢–lass绫诲姞杞介┍鍔ㄧ▼搴�
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+ Class.forName("com.mysql.jdbc.Driver");
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+ // 2銆佽繛鎺ユ暟鎹�簱
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+ conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
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+ // 3銆丼tatement鎺ュ彛闇€瑕侀€氳繃Connection鎺ュ彛杩涜�瀹炰緥鍖栨搷浣�
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+ stmt = conn.createStatement();
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+ int pd=stmt.executeUpdate(sqlString);
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+ if(pd!=0)
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+ {
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+ out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
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+ out.println("<HTML>");
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+ out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
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+ out.println(" <BODY>");
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+ out.print(" 鏇存柊鎴愬姛<br><a href=MMC_01>鏌ョ湅鍒楄〃</a> ");
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+ out.println(" </BODY>");
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+ out.println("</HTML>");
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+ }
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+ out.flush();
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+ out.close();
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+ stmt.close();
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+ conn.close();
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+ }
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+ catch (Exception e)
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+ {
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+ // TODO: handle exception
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+ }
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+ }
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+ public void doPost(HttpServletRequest request, HttpServletResponse response)
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+ throws ServletException, IOException
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+ {
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+ doGet(request, response);
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+ }
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+
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}
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