简单测试java - properties
import java.io.BufferedInputStream;
import
java.io.FileInputStream;
import java.io.FileOutputStream;
import
java.io.InputStream;
import java.util.Enumeration;
import
java.util.Properties;
public class TestPorperty {
/**
* 写入-properties文件：
*
conf 传递过来的content里边的字符串
* xmlPath是指定的路径
* */
public void writeProperty(String conf,String
xmlPath) throws Exception{
Properties
prop = new Properties();
/**
*
通过"<,>"符号截
*
prop.setProperty(key,value)
*
prop.store()写入到传递过来的xmlPath
*
*/
String values[] =
conf.split("<,>");
for (String
value : values) {
int index = value.indexOf("=");
prop.setProperty(value.substring(0,
index),
value.substring(index + 1));
prop.store(new
FileOutputStream(xmlPath),
xmlPath);
}
}
/**
* 读取：
* 格式化-properties文件内容为字符串格式
*
xmlPath是-properties文件路径
* */
public void fotmatXml(String
xmlPath){
Properties prop = new
Properties();
StringBuffer content =
new StringBuffer();
String cont =
"";
try {
InputStream in = new
BufferedInputStream(new FileInputStream(
xmlPath));
prop.load(in);
//返回属性列表中所有键的枚举，如果在主属性列表中未找到同名的键，则包括默认属性列表中不同的键
Enumeration<?> en =
prop.propertyNames();
while (en.hasMoreElements()) {
//如果此枚举对象至少还有一个可提供的元素，则返回此枚举的下一个元素
String key = (String)
en.nextElement();
//用指定的键在此属性列表中搜索属性
String property =
prop.getProperty(key);
cont = key + "=" + property +"<,>";
content.append(cont);
}
String con = content.substring(0, content.length()-3);
System.out.println(con);
} catch
(Exception e) {
e.printStackTrace();
}
}
/**
* 1、把字符串写入到-properties文件
* 2、格式化文件-properties为字符串
* */
public static void main(String args[]) throws Exception {
Properties prop = new
Properties();
String conf =
"";
String values[] =
conf.split("<,>");
for (String
value : values) {
int index = value.indexOf("=");
prop.setProperty(value.substring(0,
index),
value.substring(index + 1));
prop.store(new
FileOutputStream("devoment.properties"),
"devoment.properties");
}
StringBuffer content = new
StringBuffer();
String cont =
"";
try {
InputStream in = new
BufferedInputStream(new FileInputStream(
"devoment.properties"));
prop.load(in);
Enumeration<?> en =
prop.propertyNames();
while (en.hasMoreElements()) {
String key = (String)
en.nextElement();
String property =
prop.getProperty(key);
cont = key + "=" + property +"<,>";
content.append(cont);
}
String con = content.substring(0, content.length()-3);
System.out.println(con);
} catch
(Exception e) {
e.printStackTrace();
}
}
}