Angular1: Send POST request with regular 'post'

Untitled-1

 var req = {
    method: 'POST',
    url: 'http://',
    headers: {'Content-Type': 'application/x-www-form-urlencoded'},
    transformRequest: function(obj) {
        var str = [];
        for(var p in obj)
        str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
        return str.join("&");
    },
    data: {
        info: info
    }
}
$http(req).then(function(ev){
    console.log('Success');    
}, function(error){
    alert('Not success!');
});