简单的学生信息管理系统(2)

来源：网络收集时间：2026-07-22

导读： { varuserName=document.forms[form2].name.value; varpassword=document.forms[form2].password.value; varrepassword=document.forms[form2].repassword.value; if(userName.length=0) { alert(用户名不能为空！)

{

varuserName=document.forms["form2"].name.value;

varpassword=document.forms["form2"].password.value;

varrepassword=document.forms["form2"].repassword.value;

if(userName.length<=0)

{

alert("用户名不能为空！");

}

else if

(password<=0) <head> <title>My JSP 'register.jsp' starting page</title> <script type="text/javascript"> functionfdate()

jsp中简单的学生管理系统,可以基本实现对数据库的增删查改

alert("密码不能为空！");

}

else if(password!=repassword)

{

alert("两次输入密码不一致！");

}

else

{

document.forms["form2"].submit();

}

</script>

jsp中简单的学生管理系统,可以基本实现对数据库的增删查改

</tr> <tr> <td colspan="2">         <input type="button" value="注册"

onclick="fdate()"/>

     <input type="reset" value="重置" /> </td> </tr> </table> </form> <p><%=request.getAttribute("success") %></p> <a href="index.jsp">返回登录界面</a> </body>

</html>

//用户注册写入数据库servlet

package servlet;

importgj.JDBCConnection;

importgj.getSQL;

importjava.io.IOException;

importjava.sql.SQLException;

importjavax.servlet.ServletException;

importjavax.servlet.http.HttpServlet;

importjavax.servlet.http.HttpServletRequest;

importjavax.servlet.http.HttpServletResponse;

publicclass register extendsHttpServlet {

publicvoiddoGet(HttpServletRequest request, HttpServletResponse response) publicvoid destroy() { } super.destroy(); // Just puts "destroy" string in log // Put your code here public register() { } super();

jsp中简单的学生管理系统,可以基本实现对数据库的增删查改

} doPost(request, response); publicvoiddoPost(HttpServletRequest request, HttpServletResponse } throwsServletException, IOException { response) request.setCharacterEncoding("GB2312"); String name = request.getParameter("name"); String password = request.getParameter("password"); JDBCConnection j = newJDBCConnection(); try { } getSQLgl = newgetSQL(name, password); try { } request.setAttribute("success", "注册成功！"); request.getRequestDispatcher("register.jsp").forward(request, gl.getValue(); // TODO Auto-generated catch block e.printStackTrace(); // TODO Auto-generated catch block e.printStackTrace(); } catch (ClassNotFoundException e) { j.getConnection(); // TODO Auto-generated catch block e.printStackTrace(); // TODO Auto-generated catch block e.printStackTrace(); } catch (SQLException e) { } catch (ClassNotFoundException e) { } catch (SQLException e) { response);

//向数据库中添加数据类

packagegj;

importjava.sql.Connection;

importjava.sql.SQLException;

importjava.sql.Statement;

publicclassgetSQL {

private String name; private String password;

jsp中简单的学生管理系统,可以基本实现对数据库的增删查改

} publicvoidgetValue() throwsClassNotFoundException, SQLException { super(); = name; this.password = password;

JDBCConnectionkkk=newJDBCConnection();

Connection con=kkk. getConnection() ;

Statement statement = con.createStatement();

String sql ="insert into user_list3

values('"+name+"','"+password+"')";

statement. executeUpdate(sql);

statement.close();

con.close();

}

//用户查询界面

Query.jsp

<html>

<head> <title>My JSP 'success.jsp' starting page</title> </head>

jsp中简单的学生管理系统,可以基本实现对数据库的增删查改

数据查询 </p> <form action="query.jsp" method="post" name="form3"> <p align="center"> 按用户查询： <input type="text" name="StuName" /> </p> <p align=center> <input type="submit" value="查询"> </p> </form> <p align="center"> 查询内容如下： </p> <% %> <center> <table border="2" bgcolor="ccceee" width="600"> <trbgcolor="CCCCCC" align="center"> <% %> <tralign="center"> <% <td><%=stu[i].getNumber()%></td> <td><%=stu[i].getName()%></td> <td><%=stu[i].getEmail() …… 此处隐藏：3262字，全部文档内容请下载后查看。喜欢就下载吧 ……

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