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angularjs和PHP:请求头字段Access-Control-Allow-Origin在预检响应中不允许使用Access-Control-Allow-Origin

我正在尝试从angularjs到虚拟php文件进行简单的POST,以了解其工作原理.在我的angularjs部分:

<html ng-app="loginApp">
  <head>
    <meta charset="utf-8">
    <title>Login</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
      <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.26/angular.min.js"></script>
    <script>
      var logindata = {username:'abc', password:'abc'}
      var loginApp = angular.module('loginApp', []);
      loginApp.controller('loginCtrl', function ($scope, $http){        
        var request = $http({
            method: "POST",
            url: "http://different-ip/a.php",                    
            data: logindata,
            headers: { 'Content-Type': 'multipart/form-data', 'Authorization': 'Basic ' + btoa(logindata.username + logindata.password), 
            'Access-Control-Allow-Origin': "*"}
        });

        request.success(
            function( data ) {
                $scope.someVariableName = data;
            }
        );
    });
    </script>
  </head>
  <body ng-controller="loginCtrl">
    <h2>Angular.js JSON Fetching Example</h2>
    <p> {{ someVariableName }} </p>
  </body>
</html>

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这是我的PHP部分(a.php),它位于http:// different-ip …

php cors angularjs

Pra*_*gde

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