如何解决如何将图像保存到sqlite数据库？
我创建了一个PHP文件index.php，该文件用于面罩检测程序，一旦用户按下该按钮，它将在本地保存到桌面中。我的问题是如何将其保存到数据库中并在index.php中进行通知？
我的index.php文件
<!DOCTYPE html>
<h1>COVID-19 Mask Detection<h1>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.9.0/p5.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.9.0/addons/p5.dom.min.js"></script>
<script src="https://unpkg.com/ml5@latest/dist/ml5.min.js"></script>
<button type="button" onclick="save()">Save Now</button>
<script type="text/javascript">
// Classifier Variable
let classifier;
// Model URL
let imageModelURL = 'https://teachablemachine.withgoogle.com/models/QLX6cenjl/';
// Video
let video;
let flippedVideo;
// To store the classification
let label = "";
// Load the model first
function preload() {
classifier = ml5.imageClassifier(imageModelURL + 'model.json');
}
function setup() {
createCanvas(1920,750);
// Create the video
video = createCapture(VIDEO);
video.size(1920,750);
video.hide();
flippedVideo = ml5.flipImage(video);
// Start classifying
classifyVideo();
}
function save() {
<?php
$database = SQLITE3_OPEN_READWRITE('data.db');
?>
}
function draw() {
background(0);
// Draw the video
image(flippedVideo,0);
// Draw the label
fill(255);
textSize(16);
textAlign(CENTER);
text(label,width / 2,height - 4);
}
// Get a prediction for the current video frame
function classifyVideo() {
flippedVideo = ml5.flipImage(video);
classifier.classify(flippedVideo,gotResult);
flippedVideo.remove();
}
// When we get a result
function gotResult(error,results) {
// If there is an error
if (error) {
console.error(error);
return;
}
// The results are in an array ordered by confidence.
// console.log(results[0]);
label = results[0].label;
// Classifiy again!
classifyVideo();
}
</script>
在function save()处是用于保存图像的回调函数。但是现在，我陷入了如何将图像保存到sqlite数据库的问题。
错误日志：
Fatal error: Uncaught Error: Call to undefined function SQLITE3_OPEN_READWRITE() in C:\wamp64\www\Tester\index.php on line 80
Error: Call to undefined function SQLITE3_OPEN_READWRITE() in C:\wamp64\www\Tester\index.php on line 80
解决方法
您不应该将图像直接存储在数据库中。我假设您想将其保存为Blob。更好的方法是为图像创建一个单独的文件夹，并将这些图像的路径存储在数据库中。