javascript - How to access the controller value from service in angularjs? -

i want access controller values service, how can access it. try access controller values using following code. the code here jsbin.com

    <script>      var app = angular.module('app', []) .controller("ctrl1",['$scope','svc',function($scope,svc){      $scope.fun1=function(){       svc.service_set();        alert(svc.txt1);       alert(svc.txt2);      }  }]) .controller("ctrl2",['$scope','svc',function($scope,svc){      $scope.fun2=function(){         svc.service_set();          alert(svc.txt1);         alert(svc.txt2);     }  }]). service("svc",function(){       var svc={};       svc.service_set=function()       {         //i want access controller values here         svc.txt1=ctrl1.c1txt1;          svc.txt2=ctrl2.c2txt1;        }        return svc;     }) ;      </script> 

you should not use controllers inside service. services meant used container reusable logic. instead of calling controller service, call service methods controller