天黑了……跑路了……随便写点……
看例子:
package org.loon.test;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.TreeMap;
/** *//** * <p>
* Title: LoonFramework
* </p>
* <p>
* Description:
* </p>
* <p>
* Copyright: Copyright (c) 2007
* </p>
* <p>
* Company: LoonFramework
* </p>
*
* @author chenpeng
* @email:[email]ceponline@yahoo.com.cn[/email]
* @version 0.1
*/public class SystemInfo ...{
public final static String envStr[] = ...{ "unknown OS type",
"unknown OS version", "unknown OS architecture",
"unknown JRE version", "unknown JRE vendor" };
/** *//** * 遍历所有设置
* @param <K>
* @param <V>
*/ @SuppressWarnings("unchecked")
public static <K, V> void systemProperties() ...{
Properties p = System.getProperties();
TreeMap<K, V> map = new TreeMap<K, V>();
map.putAll((Map<? extends K, ? extends V>) p);
Iterator itr = map.keySet().iterator();
while (itr.hasNext()) ...{
String key = (String) itr.next();
String value = (String) map.get(key);
System.out.println(key + "=" + value);
} }
/** *//** * sun制造标记
* @param type
* @return */ public boolean isSun(String type) ...{
return type.indexOf("Sun") != -1;
}
/** *//** * applet制造标记
* @param type
* @return */ public boolean isApple(String type) ...{
return type.indexOf("Apple") != -1;
}
/** *//** * hp制造标记
* @param type
* @return */ public static boolean isHPUX(String type) ...{
return type.indexOf("Hewlett-Packard Company") != -1;
}
/** *//** * ibm制造标记
* @param type
* @return */ public static boolean isIBM(String type) ...{
return type.indexOf("IBM") != -1;
}
/** *//** * Blackdown制造标记
* @param type
* @return */ public static boolean isBlackdown(String type) ...{
return type.indexOf("Blackdown") != -1;
}
/** *//** * bea制造标记
* @param type
* @return */ public static boolean isBEAWithUnsafeSupport(String type) ...{
if (type.indexOf("BEA") != -1) ...{
String vmVersion = System.getProperty("java.vm.version");
if (vmVersion.startsWith("R")) ...{
return true;
} String vmInfo = System.getProperty("java.vm.info");
if (vmInfo != null) ...{
return (vmInfo.startsWith("R25.1") || vmInfo
.startsWith("R25.2"));
} } return false;
}
void getEnv() ...{
// os.name 主机操作系统的名称
// os.version 主机操作系统的版本
// os.arch 主机操作系统的体系结构
// java.version java版本
// java.vendor java厂商 String as[] = ...{ "os.name", "os.version", "os.arch", "java.version",
"java.vendor" };
for (int i = 0; i < as.length; i++) ...{
try ...{
envStr[i] = System.getProperty(as[i]);
System.out.println((as[i] + "=" + ((i==4)?envStr[i]+" "+isSun(envStr[i]):envStr[i])).intern());
} catch (Exception ex) ...{
} }
}
public static void main(String[] args) ...{
new SystemInfo().getEnv();
System.out.println(" 全部设置 ");
//显示所有设置 systemProperties();
}
}