package temp; /** * * @author JadeLuo */ import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import org.postgresql.ds.PGSimpleDataSource; public class PostgreSQLDataSource { /** CREATE TABLE lfchat.auto_id_test ( id SERIAL primary key , username character(8) NOT NULL, password character(6) NOT NULL, email character(6) NOT NULL ) WITH ( OIDS=FALSE ); ALTER TABLE lfchat.auto_id_test OWNER TO sdbadmin; * * @param args * @throws SQLException */ public static void main(String[] args) throws SQLException { PGSimpleDataSource pgSimpleDataSource = new PGSimpleDataSource(); pgSimpleDataSource.setServerName("ip:11780"); // pgSimpleDataSource.setServerName("192.168.1.8");//default 5432 // pgSimpleDataSource.setDatabaseName("postgres"); // pgSimpleDataSource.setDatabaseName("foo"); pgSimpleDataSource.setDatabaseName("foo"); // pgSimpleDataSource.setUser("lv"); // pgSimpleDataSource.setPassword("lv"); pgSimpleDataSource.setUser("sdbadmin"); pgSimpleDataSource.setPassword("sa"); Connection conn = pgSimpleDataSource.getConnection(); Statement state = conn.createStatement(); String sql = "insert into lfchat.auto_id_test (username,password,email) values (?,?,?);"; PreparedStatement pstmt = (PreparedStatement) conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);//传入参数:Statement.RETURN_GENERATED_KEYS pstmt.setString(1, "username"); pstmt.setString(2, "pwd"); pstmt.setString(3, "email"); pstmt.executeUpdate();//执行sql int autoInckey = -1; ResultSet rs = pstmt.getGeneratedKeys(); //获取结果 if (rs.next()) { int autoIncKey = rs.getInt(1);//取得ID System.out.println("autoIncKey=>>>>>>>>>>" + autoIncKey); } else { // throw an exception from here } } static void showResultSet(ResultSet resultSet) throws SQLException { ResultSetMetaData resultSetMetaData = resultSet.getMetaData(); int num = resultSetMetaData.getColumnCount(); while (resultSet.next()) { for (int i = 1; i <= num; i++) { System.out.print(resultSetMetaData.getCatalogName(i) + " " + resultSet.getString(i)); } System.out.println(); } } }
java 连接postgresql测试
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转载自jadeluo.iteye.com/blog/2227032
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