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); //读取properties文件
writePropertiesFile(writefile); //写properties文件
readPropertiesFileFromXML(readxmlfile); //读取XML文件
writePropertiesFileToXML(writexmlfile); //写XML文件
readPropertiesFile(readtxtfile); //读取txt文件
writePropertiesFile(writetxtfile); //写txt文件
}
//读取资源文件,并处理中文乱码
public static void readPropertiesFile(String filename)
{
Properties properties = new Properties();
try
{
InputStream inputStream = new FileInputStream(filename);
properties.load(inputStream);
inputStream.close(); //关闭流
}
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"); // 处理中文乱码
}
catch (UnsupportedEncodingException e)
{
e.printStackTrace();
}
System.out.println(username);
System.out.println(passsword);
System.out.println(chinese);
}
//读取XML文件,并处理中文乱码
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中的中文不用处理乱码，正常显示
System.out.println(username);
System.out.println(passsword);
System.out.println(chinese);
}
//写资源文件，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: shixing_11@sina.com");
outputStream.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
//写资源文件到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: shixing_11@sina.com");
outputStream.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
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