文件上传及预览 Form提交 Ajax 上传文件 时机: 如果发送的[文件]:->iframe, jQurey(),伪Ajax 预览 import os img_path = os.path.join('static/img', fafafa.name) with open(img.path, 'wb') as f: for item in fafafa.chunks(): f.write(item) function iframeSubmit(){ $('#ifm1').load(functi