opencv_java340-x64.dll

java 调用 opencv处理图像时所需的dll文件 将文件放在工程根目录，在程序开始时加载下面的语句 String relativelyPath = System.getProperty("user.dir"); System.load(relativelyPath + "\\opencv_java340-x64.dll"); 如果不添加，会报错 Exception in thread "main" java.lang.UnsatisfiedLinkError: org.opencv.imgcodecs.Imgcodecs.imread_1(Ljava/lang/String;)J