MYSQL中如何用JDBC存取BLOB类型？

最新推荐文章于 2022-07-04 23:06:57 发布

转载最新推荐文章于 2022-07-04 23:06:57 发布 · 579 阅读

本文演示了如何使用Java连接MySQL数据库进行数据插入操作，包括设置URL、连接数据库、获取参数并执行SQL语句。

<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.util.*"%>
<%@ page import="java.text.*"%>
<%@ page import="java.io.*"%>

<%
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
// String url="jdbc:mysql://localhost/test?user=root&password=yang900&useUnicode=true&characterEncoding=8859_1";
String url ="jdbc:mysql://192.168.139.101:3306/softxbase?user=root&password=sysroot&useUnicode=true&characterEncoding=8859_1";
Connection conn= DriverManager.getConnection(url);
//String content=request.getParameter("content");
//String filename=request.getParameter("image");
String content=request.getParameter("content");
String filename=request.getParameter("image");
FileInputStream str=new FileInputStream(filename);
//String sql="insert into image(id,content,image) values(1,?,?)";
String sql="insert into UserVmCfg(UserId,GreetingWavData) values(?,?)";
PreparedStatement pstmt=conn.prepareStatement(sql);
//pstmt.setString(1,content);
// pstmt.setBinaryStream(2,str,str.available());
pstmt.setString(1,content);
pstmt.setBinaryStream(2,str,str.available());
pstmt.execute();
out.println("Success,You Have Insert an Image Successfully");
%>