xianxianhancun 发表于 2014-11-16 15:28:15

请看看这个程序有什么错

macro_command main()
chara,b=12,c=13
bool off=0
GetData(a, "Local HMI", LW, 10, 1)
if a==’yh’ then
SetData(b, "Local HMI", LW, 0, 1)
else if a==’YH ‘then
SetData(c, "Local HMI", LW, 0, 1)
end if
SetData(off, "Local HMI", LB, 0, 1)
end macro_command

wwjdtmf 发表于 2014-11-20 06:33:32

if a==’y' and 'h’ then
SetData(b, "Local HMI", LW, 0, 1)
else if a==’Y' and 'H ‘ then
SetData(c, "Local HMI", LW, 0, 1)
end if
SetData(off, "Local HMI", LB, 0, 1)
试过可用。
但不明白，a=='yh' 或a=="yh"都不行。求解答！
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