摘要:
servletString code =""; code = req.getParameter("code"); if (code == null && !"".equals(code)) { code = "duwenlei"; }... 阅读全文
摘要:
1.工具zxing2.1----下载地址:http://code.google.com/p/zxing/downloads/detail?name=ZXing-2.1.zip&can=2&q= 所有版本下载地址:http://code.google.com/p/zxing/download... 阅读全文