条码技术在教学中的应用

The application of the code bar technology to the teaching

从开发带有学生信息的条码证件这个应用角度出发 ,介绍了在研制开发学生证件过程中条码的码制、代码长度和校验符等设计条件的要求 ;条码的单元宽度、字符宽度和条码总长度等参数的设置 。

Staring from developing the bar code certificate with students' messages, the design conditions of the code order, the code length and the proofreader's mark etc., the settlement of the parameters of the unit width, the character width and the whole length etc. are introduced. The realization of a practical example is given.