微信几处比较难的引用

    "SyncKey": {  
"Count": 7,  
"List": [{  
"Key": 1,  
"Val": 646985714  
}  
,{  
"Key": 2,  
"Val": 646985938  
}  
,{  
"Key": 3,  
"Val": 646985901  
}  
,{  
"Key": 11,  
"Val": 646985807  
}  
,{  
"Key": 13,  
"Val": 646980079  
}  
,{  
"Key": 201,  
"Val": 1454158485  
}  
,{  
"Key": 1000,  
"Val": 1454151272  
}  
]  
}  

	 $m  = $d->{SyncKey};
	$count = $m->{Count};

    #print "$count is $count
";
    for ( $i = 0 ; $i <= $count - 1 ; $i++ ) {

        #print $m->{List}->[$i]->{Val};
        #print $m->{List}->[$i]->{Key};
        $synckey .= "$m->{List}->[$i]->{Key}\_$m->{List}->[$i]->{Val}|";


    };