antd upload校驗圖片的格式大小尺寸

beforeUpload = file => { const isPNG = file.type === "image/png"; if (!isPNG) { message.error("圖片格式不正確，請修改後從新上傳！", 0.8); return isPNG; } const isLt2M = file.size / 1024 / 1

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