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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>
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