web页面中利用jsp执行linux shell脚本实现主机在线检测(ping)

刺骨的言语ヽ痛彻心扉 2022-11-06 11:56 103阅读 0赞

\# vi index.jsp

<%@ page session="false" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %>
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    </head>
    <body>
      <div>
        <table>
          <tr>
            <td height="35px" class="td2"><h4><a href="http://192.168.1.10/runshell_hostcheck.jsp" target="_blank">runshell_hostcheck</a></h4></td>
          </tr>
        </table>
      </div>
    </body>
    </html>

\# vi runshell\_hostcheck.jsp

<%@ page language="java" import="java.io.*" pageEncoding="UTF-8"%>
    
    <%
        String path = request.getContextPath();
        String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
    %>
    
    <html>
    <head>
    <title> runshell </title>
    </head>
    <body>
    
    <%
    
    try {
        Process process;
        process = Runtime.getRuntime().exec("/bin/sh /opt/shell/hostCheck.sh");
        InputStreamReader inStreamReader = new InputStreamReader(process.getInputStream());
        LineNumberReader input = new LineNumberReader(inStreamReader);
        String line;
    
        Integer ret = process.waitFor();
        out.print("Runshell ret:  ");
        out.print(ret);
        out.print("<br/>");
    
        while ((line = input.readLine()) != null) {
            out.print(line);
            out.print("<br/>");
        }  
        if (input!=null) {
            input.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    %>
    
    </body>
    </html>

\# vi /opt/shell/hostCheck.sh

#!/bin/sh
    
    host_arr=()
    
    init(){
      host_arr[${#host_arr[@]}]=192.168.1.120
      host_arr[${#host_arr[@]}]=192.168.1.121
      host_arr[${#host_arr[@]}]=192.168.1.140
      host_arr[${#host_arr[@]}]=192.168.1.145
      host_arr[${#host_arr[@]}]=192.168.1.180
      host_arr[${#host_arr[@]}]=192.168.1.200
    }
    
    
    init
    
    for i in ${host_arr[@]}; do
      ret_str="OK"
      ping $i -c 1 -W 1 1>/dev/null
      ret_code=$?
      if [ $ret_code = 1 ]; then
        ret_str="Failed"
      fi
      printf "%-20s  $ret_str\n" $i
    done