maya,mel,eval,stringarray

mel里,当要eval("client()"),并且要传递stirngarray参数给函数client()时,正确的写法应该是:
global proc intermediator_good(string $array[])
{
    print(">intermediator(): ["+stringArrayToString($array, ",")+"], size="+size($array)+"
");

    if( size($array) == 0 ){
        $cmd = "client({})";
    }else{  
        $cmd = "client({""+stringArrayToString($array,"", "")+""})";
    }
    eval $cmd;
}
要命的是,如果误写成:
global proc intermediator(string $array[])
{
    print(">intermediator(): ["+stringArrayToString($array, ",")+"], size="+size($array)+"
");

    $cmd = "client({""+stringArrayToString($array,"", "")+""}) 
";
    eval $cmd;
}

在client()里:
global proc client(string $array[])
{
    print(">client(): ["+stringArrayToString($array, ",")+"]
");
}

对于$array={""}和$array={}两种情况,print出来的信息是一样的(都是[])。调试的时候会被误导


原文地址:https://www.cnblogs.com/yaoyansi/p/3162419.html