• 第七周作业 张垚


    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    
      
      <body>
                      <form action="index.jsp"method="post">
                      用户名:<input  type="text" name="uname">
                      密码:<input type="password" name="upsw">
                      验证码:<img src="yanzhengma.jsp"/>
                   <input type="text" name="code"/><br>
                      <input type="submit" name="login" value="注册">
                      </form>
      </body>
    </html>
    

      

    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
     
     
     
    <html>
      <head>
    
     
      </head>
       
      <body>
      <h1>注册失败</h1><hr>
        <h2>点击重新<a href="MyJsp.jsp">注册</a></h2>
      </body>
    </html>
    

      

    <%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
       <style type="text/css">
       body{
      background-image:url(lvsecaodifengjingkuanpingbizhi_381861_m.jpg);
       background-size:cover;
       }
       </style>
    </head>
    <body>
     
    <%
        String name = (String) request.getSession().getAttribute("uname");
    %>
    welcome<%=name%>!<br>
    您已注册成功了!<br>
     
     
    </body>
    </html>
    

      

      

    <%@ page contentType="image/jpeg" language="java" import="java.util.*,java.awt.*,java.awt.image.*,javax.imageio.*" pageEncoding="utf-8"%>
      
    <%!
        Color getRandColor(int fc,int bc){
            Random random = new Random();
            if(fc > 255){
                fc = 255;
            }
            if(bc < 255){
                bc = 255;
            }
            int r = fc +random.nextInt(bc-fc);
            int g = fc +random.nextInt(bc-fc);
            int b = fc +random.nextInt(bc-fc);
      
      
            return new Color(r,g,b);
        }
    %>
      
    <%
        
        response.setHeader("Pragma","no-cache");
        response.setHeader("Cache-Control","no-catch");
        response.setDateHeader("Expires",0);
      
        
        int width = 60;
        int height = 20;
        BufferedImage image = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);
      
        
        Graphics g = image.getGraphics();
        Random random = new Random();
        g.setColor(getRandColor(200,250));
        g.fillRect(0,0,width,height);
        g.setFont(new Font("Tines Nev Roman",Font.PLAIN,18));
        g.setColor(getRandColor(160,200));
        for(int i = 0; i < 255; i++){
            int x = random.nextInt(width);
            int y = random.nextInt(height);
            int xl = random.nextInt(12);
            int yl = random.nextInt(12);
        }
        
        String sRand = "";
        for(int i = 0; i < 4; i++){
            String rand = String.valueOf(random.nextInt(10));
            sRand  += rand;
            g.setColor(new Color(20 + random.nextInt(110),20 + random.nextInt(110),20 + random.nextInt(110)));
            g.drawString(rand,13*i+6,16);
        }
        session.setAttribute("rCode",sRand);
        g.dispose();
        ImageIO.write(image,"JPEG",response.getOutputStream());
        out.clear();
        out = pageContext.pushBody();
    %>
    

     

      

    package  Dao;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.PreparedStatement;
    import bean.jony;
    
    public class StuDao {
    
         // 学生数据访问类
    
        // 添加学生
        public int addStu(jony j) {
            int i = 0;
    
            try {
                // 加载驱动
                Class.forName("com.mysql.jdbc.Driver");
                // 建立连接
                Connection con = DriverManager.getConnection(
                        "jdbc:mysql://localhost:3306/mysql", "root", "root");
                // 写SQL语句
                String sql = "insert into Stu values(?,?,?)";
                // 执行
                PreparedStatement ps = con.prepareStatement(sql);
                ps.setInt(1, j.getUid());
                ps.setString(2, j.getUname());
                ps.setString(3, j.getUpsw());
                i = ps.executeUpdate();
    
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            return i;
    
        }
    
        //登录
    }
    

      

  • 相关阅读:
    C++内存泄露问题
    高级自动化排程 几种前沿算法浅析
    python读写excel
    翻译】geosoft C++ Programming Style Guidelines (已翻译完毕,大家看看自己总结出了哪些吧!)
    python画图库
    pytho:栈和队列
    有监督分类:支持向量机support vector machine(svm)
    恢复数据工具比较
    SQL公式一直设不成功
    WriteFile写磁盘扇区是87错误的原因
  • 原文地址:https://www.cnblogs.com/ZXCVBNM1314/p/14678016.html
Copyright © 2020-2023  润新知