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)+"\n");

    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)+"\n");

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

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

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


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