摘要:
簽到二維碼根據(jù)課程名稱(chēng)與課程時(shí)間信息生成,用戶(hù)點(diǎn)擊簽到時(shí)獲取當(dāng)前時(shí)間,當(dāng)前時(shí)間應(yīng)該>簽到開(kāi)始時(shí)間并<課程開(kāi)始時(shí)間,在這個(gè)范圍內(nèi)允許用戶(hù)簽到,簽到開(kāi)始時(shí)間=課程時(shí)間-簽到持續(xù)時(shí)間, var CourseID = getUrlParam('ID'); var Classtime = new Date(g 閱讀全文