我们的客户正在使用Topaz签名板来捕获系统用户的签名。我们正在使用Sigweb驱动程序API。我们以Base64格式保存签名。
但是，当尝试从旧数据库迁移数据时，我们收到的文件格式无法有效转换为Base64。
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我们尝试使用btoa.js从十六进制转换。它根本无法将上述给定的字符串隐藏到任何有意义的base64文件中。任何输入/帮助，表示赞赏。