区分普通图片和pdf格式Base64 静音模式 2022-05-20 581 阅读1分钟 1.如果是jpg格式图片转base64 base64字符串之前加"data:application/jpg;base64," 2.如果是png格式图片转base64 base64字符串之前加"data:application/png;base64," 3.如果是pdf格式图片转base64 base64字符串之前加"data:application/pdf;base64,"
