//ajax传值                                var str= JSON.stringify(arr1);//数组转string                                //alert(typeof(str));                                $.ajax({                                  url:‘test.php‘                                  ,type:‘POST‘                                  ,data:{str:str}                                  ,success:function(rst){alert(‘接受成功！‘);}                                  ,error:function(xhr){alert(‘php页面有错误！‘+xhr.responseText);}                              });