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我已经调用了库的 snap 函数。我webcam.js得到了格式的图像 data_uri base64。我想将该文件上传到 nodejs 服务器。我已经调用webcam.upload()了函数,我在request.body. 客户端代码如下所示。

 Webcam.snap( function(data_uri) {
        Webcam.on( 'uploadProgress', function(progress) {
            // Upload in progress
            console.log(progress);
            // 'progress' will be between 0.0 and 1.0
        } );

        Webcam.on( 'uploadComplete', function(code, text) {
            // Upload complete!
            // 'code' will be the HTTP response code from the server, e.g. 200
            console.log(code);
            // 'text' will be the raw response content
            console.log(text);
        } );

        Webcam.upload( data_uri, '/image' );
    } )

服务器端代码如下所示。

var app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.post("/image", function(request, response) {
console.log(request.body);
response.send("OK");
 });
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