Java获取磁盘使用率

package com; import java.io.BufferedReader; import java.io.File; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Properties; public class DiskControl { /** * 获得磁盘使用率 */ public static void diskSpace() { String userRate = "";//使用率 try { // 读取系统数据库配置文件 InputStream inputStream = DiskControl.class.getClassLoader().getResourceAsStream("default.properties"); Properties p = new Properties(); p.load(inputStream); // 关闭流 inputStream.close(); // windows系统下 if (System.getProperties().getProperty("os.name").toUpperCase().indexOf("WINDOWS") != -1) { // System.out.println("当前DIS：window"); String disk = p.getProperty("window.disk").substring(0, 2);//获取当前数据库保存盘 File file = new File(disk); double totalSpace = file.getTotalSpace(); double freeSpace = file.getFreeSpace(); double usedSpace = totalSpace - freeSpace; //向上取整，21.1处理后为22 userRate = Math.ceil((usedSpace/totalSpace)*100)+"%"; } else { // System.out.println("当前DIS：Linux"); userRate = getDeskUsage(p.getProperty("linux.disk")); } } catch (Exception e) { e.printStackTrace(); System.out.println("获取磁盘使用率异常！！"); } System.out.println("当前磁盘使用率 : " + userRate); } // linux服务器通过命令获取磁盘使用率 public static String getDeskUsage(String cmd) throws Exception { Runtime rt = Runtime.getRuntime(); Process p = rt.exec(cmd); String userRate = "";//使用率 BufferedReader in = null; try { in = new BufferedReader(new InputStreamReader(p.getInputStream())); String str = null; String[] strArray = null; //循环读取Linux窗口显示的内容 while ((str = in.readLine()) != null) { strArray = str.split(" "); for (String tmp : strArray) { if (tmp.trim().length() == 0) { continue; } String abc = tmp.toString(); //当循环出**.%时，执行以下处理 if (abc.indexOf("%") != -1) { if(!(abc.length()>=3?abc.substring(0, 3):abc).toLowerCase().equals("use")){ userRate = abc; // System.out.println("tmp:"+abc); break; } } } } } catch (Exception e) { e.printStackTrace(); } finally { in.close(); } return userRate; } /* public static void main(String[] args){ diskSpace(); }*/ //Linux下通过计算获得磁盘总大小及使用大小 /* public void test() throws Exception { double totalHD = 0; double usedHD = 0; Runtime rt = Runtime.getRuntime(); Process p = rt.exec("df -hl /home");// df -hl 查看硬盘空间 BufferedReader in = null; try { in = new BufferedReader(new InputStreamReader(p.getInputStream())); String str = null; String[] strArray = null; while ((str = in.readLine()) != null) { int m = 0; strArray = str.split(" "); for (String tmp : strArray) { if (tmp.trim().length() == 0){ continue; } if(tmp.toString().indexOf("%")!=-1){ } ++m; System.out.println("----tmp1----" + tmp);//循环获得的列名及参数 if (tmp.indexOf("G") != -1) { if (m == 2) { System.out.println("---G2----" + tmp); if (!tmp.equals("") && !tmp.equals("0")) totalHD += Double.parseDouble(tmp.substring(0, tmp.length() - 1)) * 1024; } if (m == 3) { System.out.println("---G3----" + tmp); if (!tmp.equals("none") && !tmp.equals("0")) usedHD += Double.parseDouble(tmp.substring(0, tmp.length() - 1)) * 1024; } } if (tmp.indexOf("M") != -1) { if (m == 2) { System.out.println("---M4---" + tmp); if (!tmp.equals("") && !tmp.equals("0")) totalHD += Double.parseDouble(tmp.substring(0, tmp.length() - 1)); } if (m == 3) { System.out.println("---M5---" + tmp); if (!tmp.equals("none") && !tmp.equals("0")) usedHD += Double.parseDouble(tmp.substring(0, tmp.length() - 1)); System.out.println("----6----" + usedHD); } } } } } catch (Exception e) { e.printStackTrace(); } finally { in.close(); } System.out.println("----totalHD----" + totalHD);//磁盘总大小 System.out.println("----usedHD----" + usedHD);//使用大小 //计算使用率 int d = (int) Math.ceil((usedHD/totalHD)* 100); }*/ }