📄 updateuser.jsp
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<%@ page contentType="text/html;charset=gb2312" language="java"%><%@ page import="java.sql.*,java.io.*"%><jsp:useBean id="rst" scope="page" class="com.mingri.dbconn.DBResult"/><jsp:useBean id="trans" scope="page" class="com.mingri.chinese.ToChinese"/><jsp:useBean id="calendar" scope="page" class="com.mingri.showtime.ShowTime"/><% request.setCharacterEncoding("gb2312"); String username=request.getParameter("username"); String password=request.getParameter("newpw1"); String strSql="select * from tb_user where username='"+username+"'"; String strAdd=""; ResultSet rs=rst.getResult(strSql); if(rs.next()){ out.println("<script language='javascript'>alert('该用户名已存在');"+ "window.location.href='addUser.jsp';</script>"); } else{ String strLast=calendar.getDate(); strAdd="insert into tb_user values ('"+username+"','"+password+"','"+strLast+"')"; rst.doExecute(strAdd); out.println("<script language='javascript'>alert('注册成功');"+ "window.location.href='addUser.jsp';</script>"); }%>
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