Question

java mysql blob 写入

import java.io.FileInputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;

public class BlobDemo {
public static final String driver = "com.mysql.jdbc.Driver";
public static final String url = "jdbc:mysql://localhost:3306/nnnn";
public static final String user = "root";
public static final String password = "mysqladmin";

public static void main(String[] args)throws Exception{
Connection con = null;
java.sql.PreparedStatement ps =null;
String name = "n";
Class.forName(driver);
con = DriverManager.getConnection(url, user, password);
ps = con.prepareStatement("insert into userblob(name,photo) values(?,?)");
InputStream input = new FileInputStream("d:\\n.jpg");
ps.setString(1, name);
ps.setBinaryStream(2, input,input.available());
ps.executeUpdate();
ps.close();
con.close();
}
}
总是报错，不懂问题出在哪里

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Answer 1

报什么错你要贴出来啊