1.创建数据表
CREATE TABLE `tb_context` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`context` longtext,
`picture` longblob,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;
2.读写操作
package com.JDBC;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql