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    JSP学生信息管理系统设计

    作者:i_belive_my_love 时间:2021-08-28 19:00

    本文实例为大家分享了JSP学生信息管理系统源码,供大家参考,具体内容如下

    新建学生信息数据库

    1.添加记录模块

    <%@ page contentType="text/html" pageEncoding="UTF-8"%>
    
    <html>
     <head> 
     <title>添加新学生</title> 
     </head>
    
     <body>
     <form action="stuinsert2.jsp" method="post">
     <table border="0" width="238" heigth="252">
     <tr><td>学号:</td><td><input type="text" name="id"></td></tr>
     <tr><td>姓名</td><td><input type="text" name="name"></td></tr>
     <tr><td>性别</td><td><input type="text" name="sex"></td></tr>
     <tr><td>年龄</td><td><input type="text" name="age"></td></tr>
     <tr><td>专业</td><td><input type="text" name="sdept"></td></tr>
     <tr align="center">
     <td colspan="2">
     <input type="submit" value="提交">&nbsp;&nbsp;&nbsp;
     <input type="reset" value="取消">
     </td>
     </tr>
     </table>
     </form>
     </body>
    </html>
    
    
    <%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
    <html>
     <head>
     <title>添加学生处理程序</title>
     </head>
     <body>
     <% Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); 
        String url="jdbc:sqlserver://localhost:1433; DatabaseName=p"; 
        String user="sa";
        String password="123456"; 
      Connection conn=DriverManager.getConnection(url,user,password);
      request.setCharacterEncoding("UTF-8");
      String id=request.getParameter("id");
      String name=request.getParameter("name");
      String sex=request.getParameter("sex");
      int age=Integer.parseInt(request.getParameter("age"));
      String sdept=request.getParameter("sdept");
      String sql=String.format("select * from student where Sno=%s",id);
      Statement stmt=conn.createStatement();
      PreparedStatement pstmt;
      ResultSet rs=stmt.executeQuery(sql);
      if(!(rs.next())){
      pstmt=conn.prepareStatement("insert into Student values(?,?,?,?,?)");
      pstmt.setString(1,id);
      pstmt.setString(2,name);
      pstmt.setString(3,sex);
      pstmt.setInt(4,age);
      pstmt.setString(5,sdept);
      pstmt.executeUpdate();
      out.print("添加成功");  
      %>
      <a href="stuinsert.jsp" rel="external nofollow" rel="external nofollow" >返回菜单</a><br>
      <a href="main.jsp" rel="external nofollow" ></a>
      <%}else{
      out.println("该学号已存在");%>
      <a href="stuinsert.jsp" rel="external nofollow" rel="external nofollow" >重新添加</a>
      <%}%>
     </body>
    </html>
    

    2.查询(all)模块

    <%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
    <%@ page import="javax.sql.*" %>
    <%@ page import="javax.naming.*" %>
    <html>
     <head>
     <title>信息查看页面</title>
     </head> 
     <body>
     <center>
     <% DataSource ds=null;
      InitialContext ctx=new InitialContext();
      ds=(DataSource)ctx.lookup("java:comp/env/jdbc/sqlserver");
      Connection conn=ds.getConnection();
      PreparedStatement pstmt=conn.prepareStatement("select * from Student");
      ResultSet rs=pstmt.executeQuery();
     %>   
     <table border="2" bgcolor="ccceee" width="650">
     <tr bgcolor="CCCCCC" align="center">
      <td>记录条数</td><td>学号</td><td>姓名</td>
      <td>性别</td><td>年龄</td><td>专业</td>
     </tr>
     <%
      while(rs.next()){
     %> 
     <tr align="center">
     <td><%=rs.getRow()%></td>
     <td><%=rs.getString(1)%></td>
     <td><%=rs.getString(2)%></td>
     <td><%=rs.getString(3)%></td>
     <td><%=rs.getString(4)%></td>
     <td><%=rs.getString(5)%></td>
     </tr>
     <%}%>
     </center>
     <%if(rs!=null){rs.close();}
      if(pstmt!=null){pstmt.close();}
      if(conn!=null){conn.close();}
      %>
     </table> 
     </body>
    </html>
    

    条件查询模块

    <%@ page language="java" pageEncoding="UTF-8"%>
    <html>
     <head>
     <title>My JSP 'stufind2.jsp' starting page</title>
     </head>
     <body>
     请选择查询条件<hr width="100%" size="3">
     <form action="stufind3.jsp" method="post">
     性别<input type="radio" value="男" name="sex" checked="checked">男
     <input type="radio" value="女" name="sex">女
     年龄范围:<p>&nbsp;&nbsp;
     最小:<input type="text" name="a1"><br><br>&nbsp;
     最大:<input type="text" name="a2"><p>
     <input type="submit" value="提交">
     <input type="reset" value="取消">
     </form>
     </body>
    </html>
    
    <%@ page contentType="text/html" import="java.sql.*" pageEncoding="UTF-8"%>
    <html>
     <head>
     <title>条件查询处理页面</title>
     </head>
     <body>
     <center>
     <%Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
     String user="sa";
     String password="123456";
     String url="jdbc:sqlserver://localhost:1433;DatabaseName=p";
     Connection conn=DriverManager.getConnection(url,user,password);
     request.setCharacterEncoding("UTF-8");
     String sex=request.getParameter("sex");
     int age1=Integer.parseInt(request.getParameter("a1"));
     int age2=Integer.parseInt(request.getParameter("a2"));
     String sql="select * from Student where Ssex=? and Sage>=? and Sage<=?";
     PreparedStatement pstmt=conn.prepareStatement(sql);
     pstmt.setString(1,sex);
     pstmt.setInt(2,age1);
     pstmt.setInt(3,age2);
     ResultSet rs=pstmt.executeQuery();
     %>
     <table border="2" bgcolor="ccceee" width="650">
     <tr bgcolcor="CCCCCC" align="center">
     <td>记录条数</td><td>学号</td><td>姓名</td>
     <td>性别</td><td>年龄</td><td>专业</td>
     </tr>
     <%while(rs.next()){ %>
     <tr align="center">
     <td><%=rs.getRow()%></td>
     <td><%=rs.getString(1)%></td>
     <td><%=rs.getString(2)%></td>
     <td><%=rs.getString(3)%></td>
     <td><%=rs.getString(4)%></td>
     <td><%=rs.getString(5)%></td>
     </tr>
     <%}%>
     </table>
     <%if(rs!=null){rs.close();}
      if(pstmt!=null){pstmt.close();}
      if(conn!=null){conn.close();}
     %>
     </center>
     </body>
    </html>
    

    3.修改模块

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <html>
     <head> 
     <title>修改提交页面</title>
     </head>
     <body>
     <center>
      请选择修改记录所满足的条件
     <form action="stuupdate2.jsp" method="post">
      姓名: <input type="text" name="name"><br><br>
      性别: 男<input type="radio" value="男" name="sex">
          女<input type="radio" value="女" name="sex"><br><br>
      <input type="submit" value="提交">&nbsp;&nbsp;&nbsp;
      <input type="reset" value="取消">
     </form>
     </center>
     </body>
    </html>
    
    <%@ page contentType="text/html" import="java.sql.*" pageEncoding="UTF-8"%>
    <html>
     <head> 
     <title>修改编辑页面</title>
     </head>
     <body>
     <% Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
      String user="sa";
      String password="123456";
      String url="jdbc:sqlserver://localhost:1433;DatabaseName=p";
      Connection conn=DriverManager.getConnection(url,user,password);
      request.setCharacterEncoding("UTF-8");
      String name=request.getParameter("name");
      String sex=request.getParameter("sex");
      session.setAttribute("sex",sex);
      session.setAttribute("name",name);
      String sql="select * from Student where Ssex=? and Sname=?";
      PreparedStatement pstmt=conn.prepareStatement(sql);
      pstmt.setString(1,sex);
      pstmt.setString(2,name);
      ResultSet rs=pstmt.executeQuery();
      if(rs.next()){
      String id=rs.getString("Sno");
      String name2=rs.getString("Sname");
      String sex2=rs.getString("Ssex");
      int age=rs.getInt("Sage");
      String sdept=rs.getString("Sdept");
      if(pstmt!=null){pstmt.close();}
      if(rs!=null){rs.close();}
      if(conn!=null){conn.close();}
      %>
      <form action="stuupdate3.jsp" method="post">
      <table border="0" width="238" height="252">
      <tr><td>学号:</td><td><input type="text" name="id" value=<%=id%>></td></tr>
      <tr><td>姓名:</td><td><input type="text" name="name2" value=<%=name2%>></td></tr>
      <tr><td>性别:</td><td><input type="text" name="sex2" value=<%=sex2%>></td></tr>
      <tr><td>年龄:</td><td><input type="text" name="age" value=<%=age%>></td></tr>
      <tr><td>专业:</td><td><input type="text" name="sdept" value=<%=sdept%>></td></tr>
      <tr align="center">
      <td colspan="2">
      <input type="submit" value="提交">&nbsp;&nbsp;&nbsp;
      <input type="reset" value="取消">
      </td>
      </tr>
      </table>
      </form>
      <%}
      else{%>
          没有找到合适条件的记录!!<%
       if(rs!=null){rs.close();}
       if(pstmt!=null){pstmt.close();}
       if(conn!=null){conn.close();}
     }%>
     </body>
    </html>
    
    <%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
    <html>
     <head> 
     <title>修改后重写页面</title> 
     </head>
     <body>
     <% Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); 
      String url="jdbc:sqlserver://localhost:1433; DatabaseName=p"; 
      String user="sa";
      String password="123456"; 
      Connection conn=DriverManager.getConnection(url,user,password);
      String sql="update Student set Sno=?,Sname=?,Ssex=?,Sage=?,Sdept=? where Sname=? and Ssex=?";
      PreparedStatement pstmt=conn.prepareStatement(sql);
      request.setCharacterEncoding("UTF-8");
      String id=request.getParameter("id");
      String name2=request.getParameter("name2");
      String sex2=request.getParameter("sex2");
      int age=Integer.parseInt(request.getParameter("age"));
      String sdept=request.getParameter("sdept");
      String name=(String)session.getAttribute("name");
      String sex=(String)session.getAttribute("sex");
      pstmt.setString(1,id); pstmt.setString(2,name2);
      pstmt.setString(3,sex2); pstmt.setInt(4,age);
      pstmt.setString(5,sdept); pstmt.setString(6,name);
      pstmt.setString(7,sex);
      int n=pstmt.executeUpdate();
      if(n>=1){%>重写数据库操作成功!<br><%}
      else{%>重写数据库操作失败!<br><%}
      if(pstmt!=null){pstmt.close();}
      if(conn!=null){conn.close();}
     %>
     </body>
    </html>
    

    4.删除记录模块

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <html>
     <head> 
     <title>条件删除提交页面</title>
     </head>
     <body>
      请选择删除记录条件<<hr width="100%" size="3">
      <form action="studelete2.jsp" method="post">
      姓名:<input type="text" name="name"><br><br>
      性别:男<input type="radio" value="男" name="sex">
      女<input type="radio" value="女" name="sex"><br><br>
      年龄范围:<br><p>
      最小:<input type="text" name="a1"><br>
      最大:<input type="text" name="a2">
      </p>
      <input type="submit" value="提交">
      <input type="reset" value="取消">
    
      </form>
     </body>
    </html>
    
    
    <%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
    <html>
     <head> 
     <title>条件删除处理页面</title>
     </head> 
     <body>
     <% Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
      String user="sa";
      String password="123456";
      String url="jdbc:sqlserver://localhost:1433;DatabaseName=p";
      Connection conn=DriverManager.getConnection(url,user,password);
      request.setCharacterEncoding("UTF-8");
      String name=request.getParameter("name");
      String sex=request.getParameter("sex");
      String ag1=request.getParameter("a1");
      String ag2=request.getParameter("a2");
      int a3,a4;
      String sql="delete from Student where Sname=? and Ssex=? and Sage>=? and Sage<=?";
      PreparedStatement pstmt=conn.prepareStatement(sql);
      if(!name.equals("")) pstmt.setString(1,name);
      if(sex!=null) pstmt.setString(2,sex);
      if(!ag1.equals("")){a3=Integer.parseInt(ag1); pstmt.setInt(3,a3);}
      if(!ag2.equals("")){a4=Integer.parseInt(ag2); pstmt.setInt(4,a4);}
      int n=pstmt.executeUpdate();
      if(n==1){%>数据删除成功<br><%}
      else{%>数据删除失败!<br><%}
      if(pstmt!=null){pstmt.close();}
      if(conn!=null){conn.close();}
     %>
     </body>
    </html>
    
    
    jsjbwy
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