undefined reference to `cv::VideoCapture::VideoCapture()'
今天在qt平臺下調用攝像頭髮現以下錯誤：web 一開始本人看錯誤是未定義是以爲頭文件沒有添加，一查看顯然不是，諮詢好友後發現，是lib的動態庫沒有添加徹底。 這裏給出解決方法·在.pro文件夾下添加：ide LIBS+=/usr/local/lib/libopencv_shape.so
LIBS+=/usr/local/lib/libopencv_videoio.so 便可 添加完的pro以下圖：
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