js ajax调用rest接口

var _init = function(){
        $.ajax({
            url :ip:port/restname,
            dataType :'json',
//          type : "POST",
            async : false,
            success : function(result) {
                if (result["code"] === 200){

                }else {
                    Messager.alert({
                          Msg: result["msg"],
                          iconImg: "warning",
                          isModal: false
                     });
                }
            }
        });
    };