可以使用try-catch语句,通过捕捉异常来判断blob是否存在。示例如下:
try { const exists = await blobClient.exists(); if (exists) { console.log("Blob exists"); } else { console.log("Blob does not exist"); } } catch (error) { if (error.statusCode === 404) { console.log("Blob does not exist"); } else { console.log(error); } }