关于DBUtils中QueryRunner的基本用法

读取一个Excel文件里面的内容，进行批量插入数据库中；

一开始想的是，最基本的操作：遍历一个一个的提交到数据库里面，这样效率太低；

用了DBUtils中QueryRunner.batch()方法；

参考代码如下：

 import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException;  import org.apache.commons.dbutils.QueryRunner;  public class Test { 	      private static final String DRIVER_CLASS_NAME = "com.mysql.jdbc.Driver";     private static final String JDBC_URL = "jdbc:mysql://localhost:3306/taotao?characterEncoding=utf-8";     private static final String USER = "root";     private static final String PASSWORD = "123456";       public static void main(String[] args) {     	long a = System.currentTimeMillis();         int count = 1000; // 插入记录的数目         Object[][] params = new Object[count][];         for (int i = 0; i < count; i++)             // 将每条记录的数据插入数组             params[i] = new Object[] { (i+1)+"", "2", "3" };         batch(params);         System.out.println(System.currentTimeMillis()-a);     }       public static Connection getConnection() {         Connection conn = null;         try {             Class.forName(DRIVER_CLASS_NAME);             conn = DriverManager.getConnection(JDBC_URL, USER, PASSWORD);             return conn;         } catch (Exception e) {             return null;         }     }       public static void batch(Object[][] params) {         QueryRunner queryRunner = new QueryRunner(true);         String sql = "INSERT INTO TABLE_NAME VALUES (?,?,?)";         try {             queryRunner.batch(getConnection(), sql, params);         } catch (SQLException e) {             e.printStackTrace();         }     }   }

参考链接：

https://www.cnblogs.com/wang-meng/p/5525389.html

https://blog.csdn.net/wang_shuyu/article/details/53232529

文章来源: 关于DBUtils中QueryRunner的基本用法

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queryrunner