Java to read PHP interface data implementation Method _java

And Android is a reason to read JSON data

PHP File:

<?php class test{//log path const log_path= "E:\phpServer\Apache\logs\\error.log";
  The number of rows displayed is const PAGES=50;
    
    public static function main () {header ("content-type:text/html;charset=utf-8");
      if (!empty ($_get[' action ')) {if (!method_exists (' Test ', $_get[' action ')) {echo "404";
      }else{self::$_get[' action '] ();
    } exit;
    The public static function Showapachelogs () {$test =new test ();
    $result = $test->readlogs (self::log_path,self::P ages);
    $json =array ();
      For ($i =0 $i <count ($result); $i + +) {$line = $result [$i];
      Note here if the processing will parse the JSON failure $line =str_replace ("\ r \ n", "", $line);
    $result [$i]=array ("num" => $i +1, "msg" =>urlencode ($line));
    $str =stripslashes (UrlDecode (Json_encode ($result)));
  Echo $str;
    /** * Read Log/Private function readlogs ($filePath, $num =20) {$fp = fopen ($filePath, "R"); 
    $pos =-2; 
    $eof = "";  $head = false; When the total row count is less than NUM, the first line is judged $lInes = Array (); 
          while ($num >0) {while ($eof!= "\ n") {if (Fseek ($fp, $pos, seek_end) ==0) {//fseek successfully returns 0, failure returns-1 
          $eof = fgetc ($FP); 
        $pos--; 
          }else{//When the first row is reached, the beginning of the line sets the $pos failure fseek ($FP, 0,seek_set);          $head = true; 
        The file head is reached, the switch opens the break; 
      } array_unshift ($lines, Fgets ($fp));         if ($head) {break;} 
      This sentence, can only put on a sentence, because to the head of the file, the first line read out and then jump out of the whole cycle $eof = ""; 
    $num--; 
    } fclose ($FP); 
  Return Array_reverse ($lines); } test::main ();

java file:

Import Java.io.InputStream;
Import java.net.HttpURLConnection;

Import Java.net.URL;
Import Org.json.JSONArray;

Import Org.json.JSONObject; public class Readlogs {public static void main (string[] args) throws Exception {URL url = new URL ("Http://localhos
    T/test.php?action=showapachelogs ");
    HttpURLConnection conn = (httpurlconnection) url.openconnection ();
    Conn.setconnecttimeout (10000);
    Conn.setrequestmethod ("get");
    Conn.setdoinput (TRUE);


    Conn.setdooutput (TRUE);
    Output return result InputStream input = Conn.getinputstream ();
    int reslen = 0;
    byte[] res = new byte[1024];
    StringBuilder sb=new StringBuilder ();
    while ((Reslen=input.read (res))!=-1) {sb.append (New String (res, 0, Reslen));
    } String jsonstr=sb.tostring ();
    String converted to JSON Jsonarray jsonarray=new Jsonarray (JSONSTR);
      for (int i=0;i<jsonarray.length (); i++) {jsonobject jsonobject=new jsonobject (jsonarray.getstring (i)); String msg= (String) jsonobjecT.get ("msg");
      int num= (int) jsonobject.get ("num");
    System.out.println (num+ ":" +msg); }
  }
}

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