java读取本地属性文件

属性文件：users.properties

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#以下是用户信息
usernames=bob,sis,green,pop

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代码示例：PropertyUtil.java

package application;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Locale;
import java.util.Properties;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
public class PropertyUtil {
    public static void main(String[] args){
        PropertyUtil propUtil=new PropertyUtil();
        /**
         * java.util.Properties
         */
//      Properties prop=propUtil.propertiesUtil("C://users.properties");
//      String usernames=(String) prop.get("usernames");
//      System.out.println(usersname.split(","));
        /**
         * java.utul.ResourceBundle
         */
//      propUtil.resourceBundle();
        /**
         * java.util.PropertyResourceBundle
         */
        PropertyResourceBundle prb=propUtil.propResourceBundle("C://users.properties");
        String usernames=prb.getString("usernames");
        System.out.println(usernames);
    }
    /**
     * java.uti.Properties
     * @param file is the absolute path of the property
     * @return
     */
    public Properties propertiesUtil(String file){
        Properties prop=null;
        try {
            BufferedInputStream is=new BufferedInputStream(new FileInputStream(file));
            prop=new Properties();
            prop.load(is);
        } catch (FileNotFoundException e) {
        System.out.println("File Not Found!");
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return prop;
    }
    /**
     * java.util.ResourceBundle
     * @param file is the absolute path of the property
     * @return
     */
    public ResourceBundle resourceBundle(String file){
        ResourceBundle res=ResourceBundle.getBundle(file,Locale.getDefault());
        return res;
        }
    /**
     * java.util.PropertyResourceBundle
     * @param file is the absolute path of the property
     * @return
     */
    public PropertyResourceBundle propResourceBundle(String file){
        BufferedInputStream bis;
        PropertyResourceBundle prs = null;
        try {
            bis = new BufferedInputStream(new FileInputStream(file));
            prs=new PropertyResourceBundle(bis);
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return prs;
    }

 }

package application; import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.util.Locale; import java.util.Properties; import java.util.PropertyResourceBundle; import java.util.ResourceBundle; public class PropertyUtil { public static void main(String[] args){ PropertyUtil propUtil=new PropertyUtil(); /** * java.util.Properties */ // Properties prop=propUtil.propertiesUtil("C://users.properties"); // String usernames=(String) prop.get("usernames"); // System.out.println(usersname.split(",")); /** * java.utul.ResourceBundle */ // propUtil.resourceBundle(); /** * java.util.PropertyResourceBundle */ PropertyResourceBundle prb=propUtil.propResourceBundle("C://users.properties"); String usernames=prb.getString("usernames"); System.out.println(usernames); } /** * java.uti.Properties * @param file is the absolute path of the property * @return */ public Properties propertiesUtil(String file){ Properties prop=null; try { BufferedInputStream is=new BufferedInputStream(new FileInputStream(file)); prop=new Properties(); prop.load(is); } catch (FileNotFoundException e) { System.out.println("File Not Found!"); e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return prop; } /** * java.util.ResourceBundle * @param file is the absolute path of the property * @return */ public ResourceBundle resourceBundle(String file){ ResourceBundle res=ResourceBundle.getBundle(file,Locale.getDefault()); return res; } /** * java.util.PropertyResourceBundle * @param file is the absolute path of the property * @return */ public PropertyResourceBundle propResourceBundle(String file){ BufferedInputStream bis; PropertyResourceBundle prs = null; try { bis = new BufferedInputStream(new FileInputStream(file)); prs=new PropertyResourceBundle(bis); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return prs; } }