Wex5
生成?/p>
APP
连接扫描枪进行扫码的实现方法
一:外?/p>
扫描枪型号(测试使用?/p>
?/p>
HoneyWell 1400g
连接手机数据线:
OTG
二、实现原?/p>
扫描枪的功能就是阅读条码?/p>
然后把它转换为文本字符,
转换完成时在文本字符后面?/p>
加回车事?/p>
(如果你的扫描枪扫描过程中没有回车事件,
查阅扫描枪的说明书,
找到自动?/p>
车设置图。扫描一遍后即可自动增加回车功能?/p>
。我们在
APP
中光标定位在输入框,用输?/p>
框接收文本字符信息,并利用回车事件触发方法保存扫码结果?/p>
三、实现步?/p>
W
文件代码?/p>
<?
xml
version
=
"1.0"
encoding
=
"utf-8"
?>
<
div
xmlns
=
"http://www.w3.org/1999/xhtml"
component
=
"$UI/system/components/justep/window/window"
design
=
"device:m;"
xid
=
"window"
class
=
"window"
>
<
div
component
=
"$UI/system/components/justep/model/model"
xid
=
"model"
style
=
"left:18px;top:83px;height:244px;"
onLoad
=
"modelLoad"
/>
<
div
component
=
"$UI/system/components/justep/panel/panel"
class
=
"x-panel x-full"
xid
=
"panel1"
>
<
div
class
=
"x-panel-top"
xid
=
"top1"
>
<
div
component
=
"$UI/system/components/justep/titleBar/titleBar"
title
=
"
扫描枪界?/p>
"
class
=
"x-titlebar"
>
<
div
class
=
"x-titlebar-left"
>
<
a
component
=
"$UI/system/components/justep/button/button"
label
=
""
class
=
"btn btn-link btn-only-icon"
icon
=
"icon-chevron-left"
onClick
=
"backBtnClick"
xid
=
"backBtn"
>
<
i
class
=
"icon-chevron-left"
/>
<
span
/>
</
a
>
</
div
>
<
div
class
=
"x-titlebar-title"
>
扫描枪界?/p>
</
div
>
<
div
class
=
"x-titlebar-right reverse"
/>
</
div
>
</
div
>