huanan
/
pkg.daxia.dev


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>FileReader实现文件上传</title>
    <style>
        body {
            width: 20%;
            margin: 100px auto;
        }
    </style>
</head>

<body>
    <input type="file" onchange="handleFileChange(this)" />
    <br />
    <br />
    <script src="dart_js.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/axios/0.24.0/axios.min.js"></script>
    <script>
        let key = "c2AkIbxQLQSToEZQ"

        function uint8ArrayToArray(uint8Array) {
            var array = [];

            for (var i = 0; i < uint8Array.byteLength; i++) {
                array[i] = uint8Array[i];
            }

            return array;
        }

        
        function handleFileChange(instance) {
            const file = instance.files[0];
            const reader = new FileReader();
            reader.readAsArrayBuffer(file);
            reader.onload = (e) => {
                const buf = e.target.result;
                let data = uint8ArrayToArray(new Uint8Array(buf))
                let encData = dx_encrypt(data, key).o;

                const fileRes = axios.post("/upload", { fileData: encData, fileName: file.name });
            };
        }
    </script>
</body>

</html>