public static String FormetFileSize(
long fileS) {
DecimalFormat df =
new DecimalFormat(
"#.00");
String fileSizeString =
"";
if (fileS <
1024) {
fileSizeString = df.format((
double) fileS) +
"B";
} else if (fileS <
1048576) {
fileSizeString = df.format((
double) fileS /
1024) +
"K";
} else if (fileS <
1073741824) {
fileSizeString = df.format((
double) fileS /
1048576) +
"M";
} else {
fileSizeString = df.format((
double) fileS /
1073741824) +
"G";
}
return fileSizeString;
}
/**
* 获取硬盘的每个盘符
*/
public void driver(){
// 当前文件系统类
FileSystemView fsv =
FileSystemView.getFileSystemView();
// 列出所有windows 磁盘
File[] fs =
File.listRoots();
// 显示磁盘卷标
for (
int i =
0; i < fs.length; i++
) {
System.out.println(fsv.getSystemDisplayName(fs[i]));
System.out.print(
"总大小" +
FormetFileSize(fs[i].getTotalSpace()));
System.out.println(
"剩余" +
FormetFileSize(fs[i].getFreeSpace()));
}
}
转载于:https://www.cnblogs.com/kunpengit/archive/2012/11/27/2791212.html
