我不能理解Sql和node.js。文件app.js: host: 'localhost', password(req, res, next) {
connection.query ('SELECT * FROM user_contacts AS ucINNER JOIN users AS u ON u.
然而,opencv.js读取的图像是RGBA8位(mat.type() == 24 == cv.CV_8UC4 -我想要cv.CV_16UC1),这似乎是因为图像是由浏览器本身和Because canvasonly support 8-bit RGBA image with continuous storage, the cv.Mat type is cv.CV_8UC4解码的,正如所指示的那样。调试后,我看到它读取了正确的16位灰度值,但用R=G=B=gray 8位和