溫馨提示×
您好，登錄后才能下訂單哦！
點擊 登錄注冊 即表示同意《億速云用戶服務條款》
您好，登錄后才能下訂單哦！
這篇文章主要介紹了JSP數據庫的基本操作方法有哪些的相關知識，內容詳細易懂，操作簡單快捷，具有一定借鑒價值，相信大家閱讀完這篇JSP數據庫的基本操作方法有哪些文章都會有所收獲，下面我們一起來看看吧。
1. 查看：
<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="java.sql.*" %>
<HTML><style type="text/css">
<!--
body {
background-color: #99CCFF;}
-->
</style>
<BODY>
<font color="#FFFFFF">
<center>
<% Connection con;
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");
Statement sql;
ResultSet rs;
try{
sql=con.createStatement();
rs=sql.executeQuery("SELECT * FROM student");out.print("<Table Border style='font-size: 10pt'>");
out.print("<TR><td colspan=5 align=center>考生數據</td></tr>");
out.print("<TR><td colspan=5 align=center><a href='add.jsp' target='_self'>添加考生信息</a></td></tr>");
out.print("<TR>");
out.print("<Td width=50 >"+"姓名");
out.print("<Td width=100 >"+"年齡");
out.print("<Td width=100>"+"出生日期");
out.print("<Td width=100 colspan=2>"+"操作");
out.print("</TR>");
while(rs.next())
{ out.print("<TR>");
out.print("<TD >"+rs.getString(2)+"</TD>");
out.print("<TD >"+rs.getString(3)+"</TD>");
out.print("<TD >"+rs.getString(4)+"</TD>");
String idstr=rs.getString(1);out.print("<TD><a href='delete.jsp?id="+idstr+"'>刪除</a></TD>");
out.print("<TD><a href='update.jsp?id="+idstr+"'>修改</a></TD>");
out.print("</TR>") ;
}out.print("</Table>");
con.close();
}
catch(SQLException e1)
{
out.print("SQL異常！！！！");
}
%>
</center>
</BODY>
</HTML>2. add 添加：
<%@ page contentType="text/html;charset=gb2312" %><HTML><HEAD><style type="text/css"><!--body { background-image: url(); background-color: #CCCCFF;
}.STYLE5 {font-family: "Courier New", Courier, monospace; font-size: 14px; }.STYLE6 { font-family: "Courier New", Courier, monospace; font-size: 24px;
}--></style><meta http-equiv="Content-Type" content="text/html; charset=gb2312"></HEAD><BODY><Font size=2><p align="center" class="STYLE6">添加考生信息</p><CENTER><FORM action="insert.jsp" name=form><table>
<tr><td height="36"><span class="STYLE5">姓名:</span></td>
<td><Input name="name" type=text size="15" ></td></tr>
<tr>
<td height="36"><span class="STYLE5">年齡:</span></td>
<td><Input name="age" type=text size="15"></td></tr>
<tr>
<td height="36"><span class="STYLE5">出生年月:</span></td>
<td><Input name="birth" type=text size="15"></td></tr>
</table>
<table width="165">
<tr><td width="42" wnameth="42"><Input type=submit name="g" value="添加"></td>
<td width="28" wnameth="50"> </td>
<td width="42" wnameth="50"><Input type="reset" name="h" value="重置"></td>
<td width="33" wnameth="42"> </td>
</tr></table></Form></CENTER></Body></HTML>3. delete 刪除：
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.sql.*" %>
<html>
<head>
<title>刪除操作</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><style type="text/css">
<!--
body {
background-color: #FFCCFF;}
-->
</style></head>
<body>
<center>
<% Connection con;
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");
Statement stmt;
Statement s;
ResultSet rs;
String id=request.getParameter("id");try{
stmt=con.createStatement();
String sql="delete from student where id="+id;
stmt.executeUpdate(sql);
s=con.createStatement();
rs=s.executeQuery("SELECT * FROM student");
out.print("<Table Border style='font-size: 10pt'>");
out.print("<TR><td colspan=5 align=center>考生數據</td></tr>");out.print("<TR><td colspan=5 align=center><a href='add.jsp' target='_self'>添加考生信息</a></td></tr>");
out.print("<TR>");
out.print("<Td width=50 >"+"姓名");
out.print("<Td width=100 >"+"年齡");
out.print("<Td width=100>"+"出生日期");
out.print("<Td width=100 colspan=2>"+"操作");
out.print("</TR>");
while(rs.next())
{ out.print("<TR>");
out.print("<TD >"+rs.getString(2)+"</TD>");
out.print("<TD >"+rs.getString(3)+"</TD>");
out.print("<TD >"+rs.getString(4)+"</TD>");
String idstr=rs.getString(1);out.print("<TD >"+idstr+"</TD>");
out.print("<TD><a href='delete.jsp?id="+idstr+"'>刪除</a></TD>");
out.print("<TD><a href='update.jsp?id="+idstr+"'>修改</a></TD>");
out.print("</TR>") ;
}
out.print("</Table>");
con.close();
}
catch(SQLException e1)
{
out.print("SQL異常！！！！");
}
%>
</center>
</body>
</html>4. update 示例1：
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>無標題文檔</title><style type="text/css"><!--
body {
background-color: #FFCCFF;
}
--></style></head><body><%String id=request.getParameter("id"); Connection con;
String name=null;
String age=null;
String birth=null;
String id1=null;Class.forName("com.mysql.jdbc.Driver");con = DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");Statement sql;
ResultSet rs;
try{
sql=con.createStatement(); rs=sql.executeQuery("SELECT * FROM student");while(rs.next())
{
name=rs.getString(2);
age=rs.getString(3);
birth=rs.getString(4);
id1=rs.getString(1);}con.close();
}
catch(SQLException e1)
{
out.print("SQL異常！！！！");
}
%><center><form action="update2.jsp"><center>
<p> </p>
<p>姓名： <input name="name" type="text" size="15" value="<%=name%>">
</p>
<p>
年齡： <input name="age" type="text" size="15" value="<%=age%>">
</p>
<p>出生日期： <input name="birth" type="text" size="15" value="<%=birth%>">
<input name="id1" type="hidden" value="<%=id1%>" /></p>
<p><input name="g" type="submit" value="修改"> <input name="h" type="reset" value="重置"></p></form></center></body></html>5. update 示例2：
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.sql.*" %>
<%
String name=request.getParameter("name");
String age=request.getParameter("age");
String birth=request.getParameter("birth");
String id1=request.getParameter("id1");
System.out.println(id1);
Connection con=null;try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");
Statement sql;
sql=con.createStatement();
String sql2="update student set name='"+name+"',age='"+age+"',birth='"+birth+"' where id="+id1;
System.out.print(sql2);int s=sql.executeUpdate(sql2);
}catch(Exception e){
System.out.println(e);
}
%>
恭喜你，修改成功！<br />
<a href="chakan.jsp">查看</a>6. insert 插入
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.sql.*" %>
<%
String name=request.getParameter("name");
String age=request.getParameter("age");
String birth=request.getParameter("birth");
Connection con=null;try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");
Statement sql;
sql=con.createStatement();
String sql2="insert into student(name,age,birth) values('"+name+"','"+age+"','"+birth+"')";
System.out.print(sql2);int s=sql.executeUpdate(sql2);
}catch(Exception e){
System.out.println(e);
}
%>
恭喜你，添加成功！<br />
<a href="chakan.jsp">查看</a>7. 創建數據庫
/* MySQL Data Transfer Source Host: localhost Source Database: student Target Host: localhost Target Database: student Date: 2009-3-27 13:24:01 */SET FOREIGN_KEY_CHECKS=0;create database student;use student;-- ------------------------------ Table structure for student-- ----------------------------CREATE TABLE `student` ( `id` int(11) NOT NULL auto_increment, `name` varchar(255) default NULL, `age` varchar(255) default NULL, `birth` varchar(255) default NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=gbk;
關于“JSP數據庫的基本操作方法有哪些”這篇文章的內容就介紹到這里，感謝各位的閱讀！相信大家對“JSP數據庫的基本操作方法有哪些”知識都有一定的了解，大家如果還想學習更多知識，歡迎關注億速云行業資訊頻道。
免責聲明：本站發布的內容（圖片、視頻和文字）以原創、轉載和分享為主，文章觀點不代表本網站立場，如果涉及侵權請聯系站長郵箱：is@yisu.com進行舉報，并提供相關證據，一經查實，將立刻刪除涉嫌侵權內容。
