日期:2014-05-16 浏览次数:20672 次
<%@ page language="java" contentType="text/html; charset=gb2312"%>
<%@ page import="com.mysql.jdbc.Driver"%>
<%@ page import="java.sql.*"%>
<%
//驱动程序名
String driverName = "com.mysql.jdbc.Driver";
//数据库用户名
String userName = "root";
//密码
String userPasswd = "admin";
//数据库名
String dbName = "footprint";
//表名
String tableName = "user";
//联结字符串
String url = "jdbc:mysql://localhost/" + dbName + "?user="
+ userName + "&password=" + userPasswd;
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection connection = DriverManager.getConnection(url);
Statement statement = connection.createStatement();
String sql = "SELECT * FROM " + tableName;
ResultSet rs = statement.executeQuery(sql);
//获得数据结果集合
ResultSetMetaData rmeta = rs.getMetaData();
//确定数据集的列数,亦字段数
int numColumns = rmeta.getColumnCount();
// 输出每一个数据值
out.print("id");
out.print("|");
out.print("name");
out.print("|");
out.print("password");
out.print("|");
out.print("detail");
out.print("<br>");
while (rs.next()) {
out.print(rs.getInt(1) + " ");
out.print("|");
out.print(rs.getString(2));
out.print("|");
out.print(rs.getString(3));
out.print("|");
out.print(rs.getString(4));
out.print("<br>");
}
out.print("<br>");
out.print("数据库操作成功,恭喜你");
rs.close();
statement.close();
connection.close();
%>
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