vfp一道题X="Y"Y="X"&X+&Y结果是XY为什么啊 不是YX?为什么X="Y"&X显示X
2个回答
因为:
X="Y"
Y="X"
所以:
&X+&Y
=Y+X (此处的Y和X是变量)
="X"+"Y"
="XY"
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