java中的Properties文件操作使用举例

weightpath=D:/harrypotter/xml/weight.xml
dicpath=D:/harrypotter/xml/dictionary.xml
dictionarypath=D:/harrypotter/cpv_dataset
CHANGEPI=1
CHANGEPN=1
CHANGEPM=1
CHANGEPIC=1
CHANGEPIP=1
name=zhujiadun

package com.taobao.jifeng.properties;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
public class TestProperties {
public static void main(String[] args) {
Properties properties = new Properties();
InputStream is = null;
is = TestProperties.class.getResourceAsStream("/com/taobao/jifeng/properties/config.default.properties");
try {
properties.load(is);
String key = "name";
System.out.println(TestProperties.getValue(properties, key));

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public static String getValue(Properties properties,String key)
{

if(properties.containsKey(key))
{
String value = properties.getProperty(key);
return value;
}
else
{
return "";
}
}

public static void clear(Properties properties)
{
properties.clear();
}

public static void setValue(Properties properties,String key,String value)
{
properties.setProperty(key,value);
}
}

zhujiadun