AjaxFileUpload.js 是一個用于實現(xiàn)文件分塊上傳的 JavaScript 庫。要實現(xiàn)斷點續(xù)傳,你需要在客戶端和服務器端都進行一些配置和編碼。以下是實現(xiàn)斷點續(xù)傳的基本步驟:
首先,確保你已經在 HTML 文件中引入了 AjaxFileUpload.js 庫。然后,對需要實現(xiàn)斷點續(xù)傳的文件上傳元素進行配置:
<input type="file" id="fileInput" />
<script src="ajaxFileUpload.js"></script>
<script>
$(document).ready(function () {
$("#fileInput").ajaxFileUpload({
url: "your_server_upload_url", // 服務器端上傳接口地址
secureuri: false,
fileElementId: "fileInput",
dataType: "json",
success: function (data, status) {
console.log("上傳成功");
},
error: function (data, status, e) {
console.log("上傳失敗");
},
progress: function (data, status) {
console.log("上傳進度:" + data.percent);
},
});
});
</script>
服務器端需要支持斷點續(xù)傳,這通常涉及到處理文件的分塊和合并。以下是一個使用 Python Flask 的簡單示例:
from flask import Flask, request, jsonify
import os
app = Flask(__name__)
UPLOAD_FOLDER = "uploads"
CHUNK_SIZE = 1024 * 1024 # 1MB
if not os.path.exists(UPLOAD_FOLDER):
os.makedirs(UPLOAD_FOLDER)
@app.route("/upload", methods=["POST"])
def upload():
file = request.files["file"]
filename = file.filename
chunk_index = int(request.form["chunk_index"])
total_chunks = int(request.form["total_chunks"])
file_path = os.path.join(UPLOAD_FOLDER, filename)
temp_file_path = f"{file_path}.part{chunk_index}"
with open(temp_file_path, "wb") as f:
f.write(file.read())
if chunk_index == total_chunks - 1:
with open(file_path, "wb") as f:
for i in range(total_chunks):
chunk_file_path = f"{file_path}.part{i}"
with open(chunk_file_path, "rb") as chunk_file:
f.write(chunk_file.read())
os.remove(chunk_file_path)
return jsonify({"status": "success"})
if __name__ == "__main__":
app.run()
在這個示例中,我們使用 Flask 框架創(chuàng)建了一個簡單的文件上傳接口。服務器端接收文件的分塊,并將其保存為臨時文件。當所有分塊都接收完畢時,服務器端將它們合并為一個完整的文件。
注意:這個示例僅用于演示目的,實際應用中可能需要考慮更多的錯誤處理和安全性問題。