- package apistudy;
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.OutputStream;
- import java.io.UnsupportedEncodingException;
- import java.util.Properties;
- public class PropertiesTest
- {
- public static void main(String[] args)
- {
- String readfile = "d:" + File.separator + "readfile.properties";
- String writefile = "d:" + File.separator + "writefile.properties";
- String readxmlfile = "d:" + File.separator + "readxmlfile.xml";
- String writexmlfile = "d:" + File.separator + "writexmlfile.xml";
- String readtxtfile = "d:" + File.separator + "readtxtfile.txt";
- String writetxtfile = "d:" + File.separator + "writetxtfile.txt";
- readPropertiesFile(readfile); //讀取properties文件
- writePropertiesFile(writefile); //寫properties文件
- readPropertiesFileFromXML(readxmlfile); //讀取XML文件
- writePropertiesFileToXML(writexmlfile); //寫XML文件
- readPropertiesFile(readtxtfile); //讀取txt文件
- writePropertiesFile(writetxtfile); //寫txt文件
- }
- //讀取資源文件,並處理中文亂碼
- public static void readPropertiesFile(String filename)
- {
- Properties properties = new Properties();
- try
- {
- InputStream inputStream = new FileInputStream(filename);
- properties.load(inputStream);
- inputStream.close(); //關閉流
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- String username = properties.getProperty("username");
- String passsword = properties.getProperty("password");
- String chinese = properties.getProperty("chinese");
- try
- {
- chinese = new String(chinese.getBytes("ISO-8859-1"), "GBK"); // 處理中文亂碼
- }
- catch (UnsupportedEncodingException e)
- {
- e.printStackTrace();
- }
- System.out.println(username);
- System.out.println(passsword);
- System.out.println(chinese);
- }
- //讀取XML文件,並處理中文亂碼
- public static void readPropertiesFileFromXML(String filename)
- {
- Properties properties = new Properties();
- try
- {
- InputStream inputStream = new FileInputStream(filename);
- properties.loadFromXML(inputStream);
- inputStream.close();
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- String username = properties.getProperty("username");
- String passsword = properties.getProperty("password");
- String chinese = properties.getProperty("chinese"); //XML中的中文不用處理亂碼,正常顯示
- System.out.println(username);
- System.out.println(passsword);
- System.out.println(chinese);
- }
- //寫資源文件,含中文
- public static void writePropertiesFile(String filename)
- {
- Properties properties = new Properties();
- try
- {
- OutputStream outputStream = new FileOutputStream(filename);
- properties.setProperty("username", "myname");
- properties.setProperty("password", "mypassword");
- properties.setProperty("chinese", "中文");
- properties.store(outputStream, "author: [email protected]");
- outputStream.close();
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- }
- //寫資源文件到XML文件,含中文
- public static void writePropertiesFileToXML(String filename)
- {
- Properties properties = new Properties();
- try
- {
- OutputStream outputStream = new FileOutputStream(filename);
- properties.setProperty("username", "myname");
- properties.setProperty("password", "mypassword");
- properties.setProperty("chinese", "中文");
- properties.storeToXML(outputStream, "author: [email protected]");
- outputStream.close();
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- }
- }
username=mynamepassword=mypasswordchinese=中文
#author: [email protected]#Fri May 28 22:19:44 CST 2010password=mypasswordchinese=/u4E2D/u6587username=myname
3. readxmlfile.xml
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd"><properties><entry key="password">mypassword</entry><entry key="chinese">中文</entry><entry key="username">myname</entry></properties>
<?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd"><properties><comment>author: [email protected]</comment><entry key="password">mypassword</entry><entry key="chinese">中文</entry><entry key="username">myname</entry></properties>
#author: [email protected]#Fri May 28 22:25:16 CST 2010password=mypasswordchinese=/u4E2D/u6587username=myname