postgresql的java实例肯定可用
发布时间:2020-12-13 17:25:49 所属栏目:百科 来源:网络整理
导读:package com.post;import org.postgresql.*;import java.sql.*;public class TestDB {public TestDB() {}public static void main(String args[]) {System.out.print(" this is a test ");try {Class.forName("org.postgresql.Driver").newInstance();String
package com.post; import org.postgresql.*; import java.sql.*; public class TestDB { public TestDB() { } public static void main(String args[]) { System.out.print(" this is a test "); try { Class.forName("org.postgresql.Driver").newInstance(); String url = "jdbc:postgresql://1.1.1.1/a"; Connection con = DriverManager.getConnection(url,"b","c"); Statement st = con.createStatement(); String sql = "select * from testtable "; ResultSet rs = st.executeQuery(sql); while (rs.next()) { System.out.print(rs.getInt(1)); System.out.println(rs.getString(2)); } rs.close(); st.close(); con.close(); } catch (Exception ee) { // System.out.print(ee.getMessage()); ee.printStackTrace(); } } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |