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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                >[success] # ajax -- 文件上傳 * 文件上傳時候要使用 `formData` 格式 ~~~ <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> </head> <body> <input class="file" type="file" /> <button class="upload">上傳文件</button> <script> // xhr/fetch const uploadBtn = document.querySelector('.upload') uploadBtn.onclick = function () { // 1.創建對象 const xhr = new XMLHttpRequest() // 2.監聽結果 xhr.onload = function () { console.log(xhr.response) } xhr.onprogress = function (event) { console.log(event) } xhr.responseType = 'json' xhr.open('post', 'url') // 表單 const fileEl = document.querySelector('.file') const file = fileEl.files[0] const formData = new FormData() formData.append('key', file) xhr.send(formData) } </script> </body> </html> ~~~
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