Java»ñȡϵͳӲÅ̺ÍÄÚ´æʹÓÃÇé¿ö£»

ʹÓÃÀàjava.io.File
1.»ñȡϵͳӲÅÌÐÅÏ¢£º
public static String getDiskInfo() {
StringBuffer sb=new StringBuffer();
File[] roots = File.listRoots();// »ñÈ¡´ÅÅÌ·ÖÇøÁбí
for (File file : roots) {
long totalSpace=file.getTotalSpace();
long freeSpace=file.getFreeSpace();
long usableSpace=file.getUsableSpace();
if(totalSpace>0){
sb.append(file.getPath() + "(×ܼƣº");
sb.append(Math.round(((double)totalSpace/ (1024*1024*1024))*100/100.0) + "GB ");
if(Math.round((((double)usableSpace/ (1024*1024*1024))*100)/100.0)<=1){
sb.append("Ê£Óࣺ" + Math.round((((double)usableSpace/ (1024*1024))*100)/100.0) + "MB)<br>");
}else{
sb.append("Ê£Óࣺ" + Math.round((((double)usableSpace/ (1024*1024*1024))*100)/100.0) + "GB)<br>");
}
// sb.append("ÒÑʹÓÃ" + Math.round((((double)(totalSpace-usableSpace)/(1024*1024*1024))*100)/100.0) + "G<br>");
}
}
return sb.toString();
}
2.ϵͳÄÚ´æÐÅÏ¢£º
public static String getEMS() {
StringBuffer sb=new StringBuffer();
OperatingSystemMXBean osmb = (OperatingSystemMXBean) ManagementFactory
.getOperatingSystemMXBean();
sb.append("ϵͳÎïÀíÄÚ´æ×ܼƣº" + osmb.getTotalPhysicalMemorySize()
/ 1024 / 1024 + "MB<br>");
sb.append("ϵͳÎïÀí¿ÉÓÃÄÚ´æ×ܼƣº" + osmb.getFreePhysicalMemorySize()
/ 1024 / 1024 + "MB");
return sb.toString();
}
3.»ñÈ¡Ó²ÅÌ·ÖÇøϵÄĿ¼ºÍÎļþÁÐ±í£º
public static String getDiskFileList() {
StringBuffer sb = new StringBuffer();
String[] fileList = null;
File[] roots = File.listRoots();// »ñÈ¡Ó²ÅÌ·ÖÇøÁÐ±í£»
for (File file : roots) {
long totalSpace = file.getTotalSpace();
fileList = file.list();
if (totalSpace > 0) {
sb.append(file.getPath() + "ÏÂĿ¼ºÍÎļþ£º");
for (int i = 0; i < fileList.length; i++) {
sb.append(fileList[i] + "\n");
}
}
}
return sb.toS