[請益] 如何用browser列印、和信用卡讀卡機做IO
就我所知,browser-based架構的死穴之一是:browser不能控制device。其傳說原因是「安全考量」。但是,曾經在某車商見到這種景象:用IE browser。可以選擇桌子旁邊的印表機,可以列印發票,可以刷卡。簡直太不可思議了!請教先進:(1) 如果是從http server下載PDF之類的檔案,然後列印的話,可以理解。但是,如果不是採用這種「間接」方法,是怎樣設計,才能這樣「直接」列印呢?難道Adobe有IE的printer API的plug-in,讓程式師去呼叫javascript或M$ ActiveX,把PDF送去plug-in的API,直接輸出?(2)
Browser是怎樣和信用卡的讀卡機做I/O的?還是我看錯了:信用卡的讀卡機其實是獨立設備,根本沒有和他們的browser-based application整合,是用手工在browser輸入信用卡號、失效日、金額?
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 61.64.87.186
※ 文章網址: http://www.ptt.cc/bbs/Web_Design/M.1403713932.A.C44.html
→
06/26 02:53, , 1F
06/26 02:53, 1F
→
06/26 02:54, , 2F
06/26 02:54, 2F
→
06/26 02:54, , 3F
06/26 02:54, 3F
→
06/26 02:55, , 4F
06/26 02:55, 4F
→
06/26 02:56, , 5F
06/26 02:56, 5F
推
06/26 08:42, , 6F
06/26 08:42, 6F
→
06/26 11:40, , 7F
06/26 11:40, 7F
→
06/26 11:46, , 8F
06/26 11:46, 8F
推
06/26 11:56, , 9F
06/26 11:56, 9F
推
06/26 12:03, , 10F
06/26 12:03, 10F
→
06/26 12:03, , 11F
06/26 12:03, 11F
→
06/26 12:04, , 12F
06/26 12:04, 12F
→
06/26 12:08, , 13F
06/26 12:08, 13F
→
06/26 15:42, , 14F
06/26 15:42, 14F
→
06/26 15:44, , 15F
06/26 15:44, 15F
→
06/26 15:45, , 16F
06/26 15:45, 16F
→
06/26 15:47, , 17F
06/26 15:47, 17F
→
06/26 15:50, , 18F
06/26 15:50, 18F
→
06/26 15:50, , 19F
06/26 15:50, 19F
推
06/26 15:55, , 20F
06/26 15:55, 20F
→
06/26 16:01, , 21F
06/26 16:01, 21F
→
06/28 00:02, , 22F
06/28 00:02, 22F
→
06/28 00:04, , 23F
06/28 00:04, 23F
→
06/28 00:05, , 24F
06/28 00:05, 24F
→
06/28 00:19, , 25F
06/28 00:19, 25F
→
06/28 00:21, , 26F
06/28 00:21, 26F
推
06/29 14:35, , 27F
06/29 14:35, 27F
→
06/29 14:37, , 28F
06/29 14:37, 28F