代码：
1 public String Run(String _strsIp) throws Exception 2 { 3 String strRst = ""; 4 try 5 { 6 String str = "ping -c 1 "+_strsIp; 7 Runtime runtime = Runtime.getRuntime(); 8 Process process = runtime.exec(str); 9 10 //等待进程执行完毕 11 if(process.waitFor() != 0) 12 { 13 //如果进程运行结果不为0,表示进程是错误退出的 14 //获得进程实例的错误输出 15 InputStream streamErr = process.getErrorStream(); 16 //do something 17 18 strRst = InputStream2String(streamErr); 19 if (streamErr != null) 20 streamErr.close(); 21 22 if (strRst.isEmpty()) 23 { 24 InputStream streamIn = process.getInputStream(); 25 strRst = InputStream2String(streamIn); 26 if (streamIn != null) 27 streamIn.close(); 28 29 if (strRst.isEmpty()) 30 strRst = "Failed : ping failed . "; 31 } 32 return strRst; 33 } 34 35 InputStream streamIn = process.getInputStream(); 36 strRst = InputStream2String(streamIn); 37 if (streamIn != null) 38 streamIn.close(); 39 40 if (strRst.isEmpty()) 41 strRst = "Succeed : ping failed . "; 42 } 43 catch (Exception ex) 44 { 45 //ex.printStackTrace(); 46 StringWriter sw = new StringWriter(); 47 PrintWriter pw = new PrintWriter(sw); 48 ex.printStackTrace(pw); 49 strRst = "Err : "+sw.toString(); 50 } 51 return strRst; 52 }