识别一维码条形码，打印出该条形码的字符串
条形码类型及常见条形码介绍 https://blog.csdn.net/md_shmily92/article/details/56516340
A simple bar code scan recognition by javascript
识别一维码条形码，打印出该条形码的字符串
条形码类型及常见条形码介绍 https://blog.csdn.net/md_shmily92/article/details/56516340
A simple bar code scan recognition by javascript