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如何在数据库中存储单选按钮数据

[英]how to store radiobutton data in the database

 <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>HTML Tables</title> </head> <body> <%@ page import="java.sql.*"%> <table bgcolor="lightgray" border="5" width="60%" cellpadding="5" cellspacing="0.5" color="blue" > <tr> <th colspan ="3" bgcolor="#999999"><br> <div align="Center" > <font face="verdana" size="5" color="white"> ATTENDANCE </font> </div> </th> </tr> <tr> <td width="14%"><h3>Register No</td> <td><h3> Student Name</td> <td><h3> Attendance</td> </tr> <!-- <tr> <td> 1 </td> <td> Tom </td> <td> <input type="radio" name="rdbutton1">Present <input type="radio" name="rdbutton1">Absent <tr> <td>2</td> <td> Jerry </td> <td> <input type="radio" name="rdbutton2">Present <input type="radio" name="rdbutton2">Absent </tr>--> <% Connection dbcon=null; DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver()); dbcon=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl","scott","tiger"); Statement stmt=dbcon.createStatement(); ResultSet rst=null; rst=stmt.executeQuery("select regno, name from studentreg"); while(rst.next()) {%> <tr> <td><%=rst.getString("regno")%></td> <td><%=rst.getString("name")%></td> <!-- <td><%=1%></td> <td><%=rst.getString("name")%></td>--> <td> <input type="radio" name="rdbutton1">Present <input type="radio" name="rdbutton2">Absent </tr> <% } %> </table> </body> </html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> </body> </html> 

在此代码中,单选按钮无法正常工作,所有单选按钮均已检查。 以及如何在数据库中存储当前值和缺失值。 这些单选按钮是否有其他必须使用的特殊动态表,或者我们可以将此普通表本身使用。

所有单选按钮都已检查

那是因为您的每个radio按钮都有不同的name属性

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