cors.php

ajax.js

$.ajax({
  dataType : "text/plain",
  contentType: "application/json;",
  type: "post",
  url: "http://172.16.8.22/AgroRuralMovil/SvcAsistencia.svc/ConsultaAsistencia",
  data: {"cDni":"44069967","dFechaInicio":"2012-01-01","dFechaFin":"2017-07-04","iOpcion":1},
  success: function(e){
  	console.log(e);
  },
  error: function(e){
  	console.log(e);
  }
});

gistfile1.txt

<?php

return [
    /*
     |--------------------------------------------------------------------------
     | Laravel CORS
     |--------------------------------------------------------------------------
     |
     | allowedOrigins, allowedHeaders and allowedMethods can be set to array('*')
     | to accept any value.
     |
     */
    'supportsCredentials' => false,
    'allowedOrigins' => ['*'],
    'allowedHeaders' => ['*'],
    'allowedMethods' => ['*'],
    'exposedHeaders' => [],
    'maxAge' => 0,
];