Rick's: 使用 Java 的執行SQL 類別物件

2009年6月23日星期二

簡單的使用Statement、ResultSet 類別
建立資料和查詢資料。

瑞克提到...: package home.shitRick;

import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class StatementResultDemo {

public static void main(String[] args) {
DBSource dbsource = null;
Connection conn = null;
Statement stmt = null;
try {
dbsource = new SimpleDBSource();
conn = dbsource.getConnection();
stmt = conn.createStatement();
stmt.executeUpdate("INSERT INTO t_message VALUES(1, 'justin', " +
"'justin@mail.com', 'this is new message...')");
ResultSet result = stmt.executeQuery(
"SELECT * FROM t_message");
while(result.next()) {
System.out.print(result.getInt(1) + "\t");
System.out.print(result.getString(2) + "\t");
System.out.print(result.getString(3) + "\t");
System.out.println(result.getString(4));
}
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
finally {
if(stmt != null) {
try {
stmt.close();
}
catch(SQLException e) {
e.printStackTrace();
}
}
if(conn != null) {
try {
dbsource.closeConnection(conn);
}
catch(SQLException e) {
e.printStackTrace();
}
}
}
}
}; 2009年6月23日凌晨12:07