📄 findpwd.java
字号:
package webmailservlet;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*;import java.sql.*;public class findpwd extends HttpServlet { private static final String CONTENT_TYPE = "text/html; charset=GBK"; /**Initialize global variables*/ public void init() throws ServletException { String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver"; try { Class.forName(sDBDriver); } catch(java.lang.ClassNotFoundException e) { System.err.println( e.getMessage()); } } public ResultSet executeQuery(String sql) { String sConnStr = "jdbc:odbc:webmail"; Connection connect = null; ResultSet rs = null; rs = null; try { connect = DriverManager.getConnection(sConnStr); Statement stmt = connect.createStatement(); rs = stmt.executeQuery(sql); } catch(SQLException ex) { System.err.println(ex.getMessage()); } return rs; } public String getStr(String str) { try { String temp_p=str; byte[] temp_t=temp_p.getBytes("ISO8859-1"); String temp=new String(temp_t); return temp; } catch(Exception e) { } return "null"; } /**Process the HTTP Get request*/ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head><title>findpwd</title></head>"); out.println("<body>"); out.println("<p>The servlet has received a GET. This is the reply.</p>"); out.println("</body></html>"); } /**Process the HTTP Post request*/ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head><title>findpwd</title></head>"); out.println("<body>"); out.println(" <table border=0 width=100% cellspacing=0 cellpadding=0 height=> "); out.println(" <tr> "); out.println("<td width=100% height=20 bgcolor=#3399ff> <font color=#ffffff>取回密码</font>"); out.println("</td>"); out.println("</tr>"); String logname,email; boolean loginAttempt = false; String errorMessage = ""; if(request.getParameterValues("findpass") != null&&request.getParameterValues("logname") != null&&request.getParameterValues("email") != null){ loginAttempt = true;}if (loginAttempt){ logname=request.getParameter("logname"); email=request.getParameter("email"); logname=getStr(logname); email=getStr(email); String sql="select * from member where logname='"+logname+"' and email='"+email+"'"; //out.println(sql); ResultSet RS=executeQuery(sql); int rowscount=0; try { while(RS.next()) { rowscount++; errorMessage=RS.getString("password"); } } catch(Exception e) { } if(rowscount!=0) { //errorMessage=RS.getString("password"); }else errorMessage="您的用户名或者email不正确";} out.println("<tr><td height=40 >"); out.println("<font color=red>您的密码:"); out.println(errorMessage); out.println("</font>"); out.println("</td>"); out.println("</tr>"); out.println("<tr> "); out.println("<td height=40 > <a href=../webmail_sev/findpass.jsp>返回</a>"); out.println(" <a href=../webmail_sev/login.jsp>登录</a>"); out.println("</td>"); out.println("</tr>"); out.println("</table> "); out.println("</td>"); out.println("</tr>"); out.println("</table>"); out.println("</body></html>"); } /**Clean up resources*/ public void destroy() { }}⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -