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inPort=infile("fileName")
when(inPort
    while(gets(nextLine inPort)
        labels=parseString(nextLine)
        label=nth(0 labels)
        x=nth(1 labels)
        y=nth(2 labels)
        layer=nth(3 labels)
        sublayer=nth(4 labels)
        ......
        dbCreateLabel(...)
        ......
    );end while
    close(inPort)
);end when
更优写法:
labelsList=tconc(nil nil)
inPort=infile("fi ...