Jakarta-Common-Configuration使用笔记

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这是一个读取配置文件的工具包。

  下载地址 : http://commons.apache.org/configuration/

  A.读取XML配置文件:

<config>
  <ip>10.10.1.1</ip>
  <account>jini</account>
  <password>jakarta99</password>
  <roles>
    <role>admin</role>
    <role>manager</role>
    <role>user</role>
  </roles>
</config>

  测试代码:

package demo;
  
import Java.util.List;
  
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.XMLConfiguration;
  
public class XMLConfigurationDemo ...{
  
  public static void main(String[] args) throws ConfigurationException ...{
  
    Configuration config = new XMLConfiguration(XMLConfigurationDemo.class
        .getResource("/demo/system-config.xml"));
    String ip = config.getString("ip");
    String account = config.getString("account");
    String password = config.getString("password");
    List<?> roles = config.getList("roles.role");
  
    System.out.println("IP: " + ip);
    System.out.println("Account: " + account);
    System.out.println("Password: " + password);
  
    System.out.println("★★★★★ Roles Begin ★★★★★");
    for (int i = 0; i < roles.size(); i++) ...{
      System.out.println("Role: " + roles.get(i));
    }
    System.out.println("★★★★★ Roles End ★★★★★");
  }
}

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