left of '.abbook' must have class/struct/union type这是什么意思?left of '.abbook' must have class/struct/union type这是什么意思 求解

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leftof''.abbook''musthaveclass/struct/uniontype这是什么意思?leftof''.abbook''musthaveclass/struct/uniontype这是什

left of '.abbook' must have class/struct/union type这是什么意思?left of '.abbook' must have class/struct/union type这是什么意思 求解
left of '.abbook' must have class/struct/union type这是什么意思?
left of '.abbook' must have class/struct/union type这是什么意思 求解

left of '.abbook' must have class/struct/union type这是什么意思?left of '.abbook' must have class/struct/union type这是什么意思 求解
你使用了点操作符,左边要求是类或结构体或联合体的实例或变量
abbook是谁的成员?搜索下你的程序.