database.java

来自「<设计模式-Java语言中的应用> 的源码」· Java 代码 · 共 23 行

package pagemaker;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

public class Database {
    private Database() {    // 声明private以免new时会产生对象实例
    }
    public static Properties getProperties(String dbname) {	// 从数据库名称
								// 取得Properties
        String filename = dbname + ".txt";
        Properties prop = new Properties();
        try {
            prop.load(new FileInputStream(filename));
        } catch (IOException e) {
            System.out.println("Warning: " + filename + " is not found.");
        }
        return prop;
    }
}