将txt文件内容（以utf-8）存储到数据库中代码,Java代码库,德仔网

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【Java】将txt文件内容（以utf-8）存储到数据库中
作者:天坤 / 发布于2016/12/21/ 678
package com.test.javaSe01;  
  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileNotFoundException;  
import java.io.InputStream;  
import java.io.InputStreamReader;  
import java.io.Reader;  
import java.io.UnsupportedEncodingException;  
import java.sql.Connection;  
import java.sql.DriverManager;  
import java.sql.PreparedStatement;  
import java.sql.ResultSet;  
import java.sql.SQLException;  
import java.sql.Statement;  
import java.util.Scanner;  
  
/** 
 *  
 * @author Administrator 
 * @see txt中的内容是中文的(utf-8格式)，将txt中的内容存储到数据库中 
 */  
public class JDBCClobTestDemo01 {  
    public static void main(String[] args) throws SQLException,  
            FileNotFoundException, ClassNotFoundException,  
            UnsupportedEncodingException {  
        String url = "jdbc:mysql://localhost:3306/test?unicode=true&characterEncoding=utf8";  
        String driver = "com.mysql.jdbc.Driver";  
        String user = "root";  
        String password = "root";  
  
        Connection conn = null;  
        PreparedStatement ps = null;  
        Statement st = null;  
        ResultSet rs = null;  
        String sql = "insert into userclob values(id,?,?)";  
        Class.forName(driver);  
        File file = new File("H:\\a.txt");  
        InputStream input = new FileInputStream(file);  
        Reader reader = new InputStreamReader(input, "utf-8");  
        conn = DriverManager.getConnection(url, user, password);  
        try {  
            ps = conn.prepareStatement(sql);  
            ps.setString(1, "ctl");  
            // setAsciiStream() setBlob() setCharacterStream()只可以存储英文不可以存储汉字  
            // ps.setAsciiStream(2, input, (int) file.length());  
            ps.setNCharacterStream(2, reader, file.length());  
            ps.executeUpdate();  
            sql = "select * from userclob";  
            rs = ps.executeQuery(sql);  
            while (rs.next()) {  
                System.out.print(rs.getInt(1) + "\t");  
                System.out.print(rs.getString(2) + "\t");  
                // getAsciiStream(), getCharacterStream()  
                // getString()都可以获取类型longtext中的数据  
                // Scanner scanner = new Scanner(rs.getAsciiStream(3));  
                // Scanner scanner = new Scanner(rs.getCharacterStream(3));  
                Scanner scanner = new Scanner(rs.getString(3));  
                scanner.useDelimiter("\r\n");  
                StringBuffer sb = new StringBuffer();  
                while (scanner.hasNext()) {  
                    sb.append(scanner.next()).append("\n");  
                }  
                System.out.println(sb);  
            }  
            ps.close();  
            conn.close();  
        } catch (SQLException e) {  
            e.printStackTrace();  
        }  
    }  
}
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