postgresql的java实例肯定可用

概述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 {

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();		}	}}

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