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2016-7-8 JDBC for Mysql

时间:2021-07-01 10:21:17 帮助过:2人阅读

com.mysql.cj.api.jdbc.Statement; public class test { public static void main(String[] args) { try { Class.forName("com.mysql.cj.jdbc.Driver").newInstance(); Connection conn = null; String urlString = "jdbc:mysql://localhost:3306/javademo?user=root&password=123" + "&characterEncoding=utf8" + "&useSSL=true&serverTimezone=UTC"; conn = DriverManager.getConnection(urlString); Statement sat = (Statement) conn.createStatement(); String sql = "select * from student"; ResultSet result = sat.executeQuery(sql); int numCol = result.getMetaData().getColumnCount(); while (result.next()) { for (int i = 1; i <= numCol; i++) { System.out.println(result.getString(i)); } } } catch (Exception ex) { ex.printStackTrace(); } } }

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更新:

1.Class.forName("com.mysql.cj.jdbc.Driver").newInstance();

2."&useSSL=true&serverTimezone=UTC" 必须滴

2016-7-8 JDBC for Mysql

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