参考API

https://kjur.github.io/jsrsasign/api/symbols/ASN1HEX.html
  1. ASN1HEX.parse(h)
  2. ArrayBuffertohex,
  3. hextoArrayBuffer,
  4. hextob64

预览

http://sangongli.top:8082/#/doc/pdf

ofd测试文件

https://gitee.com/hs-xhl/test-docs/tree/master/ofd

回绝花里胡哨简单讲，用最简略的形式去做