XSL样式表：根据查询item_id创建超链接 [英] XSL stylesheet: creating Hyperlink based of query item_id

问题描述

我是编码的新手。从过去1个月开始进行XSL编码。
我想根据item_id创建一个超链接。
但我的concat没有按预期工作。

I am new to coding. Started XSL coding from past 1 month. I want to creat a hyperlink according to the item_id. But my concat is not working as desired.

我的要求是我必须根据变量item_id
创建超链接例如：
https://xyz.com/webpr/ webpr.php？objtype = frames& g_startlink = maintain& g_startdata = 194970 & g_userid = msbzzh& g_session_id = 6017650`

My requirement is that i have to get create hyperlinks based on the variable item_id For example: https://xyz.com/webpr/webpr.php?objtype=frames&g_startlink=maintain&g_startdata=194970&g_userid=msbzzh&g_session_id=6017650`

https://xyz.com/webpr/webpr.php ？objtype = frames& g_startlink = maintain& g_startdata = 194971 & g_userid = msbzzh& g_session_id = 6017650

https://xyz.com/webpr/webpr.php?objtype=frames&g_startlink=maintain&g_startdata=194971&g_userid=msbzzh&g_session_id=6017650

其中变量item_id介于链接之间。 （194970,194971等）

where the variable item_id comes inbetween the link. (194970, 194971 and so on)

所以这是我的代码：

<xsl:when test ="$propName ='item_id'">
<td>
<xsl:variable name="itemId" select="$occRef/@*[local-name()=$propName]" />
<a href = "{concat('https://xyz.com/webpr/webpr.php?objtype=frames&g_startlink=maintain&g_startdata=','<xsl:value-of select="$itemId"/>','&g_userid=msbzzh&g_session_id=6017650')}" target="_blank"> <xsl:value-of select="$itemId" /></a> 
<xsl:text disable-output-escaping="yes">&amp;nbsp;</xsl:text>
</td>
</xsl:when>

我也试过这样..但是他们两个都没有用完。

and i also tried like this.. But both of them didn't work out.

<a href = "{concat('https://xyz.com/webpr/webpr.php?objtype=frames&g_startlink=maintain&g_startdata=','$itemId','&g_userid=msbzzh&g_session_id=6017650')}" target="_blank"> <xsl:value-of select="$itemId" /></a>

推荐答案

更新：你忘了逃避&符号和变量使用不当。请参阅下面正确的语法。

UPDATED: You forgot to escape ampersands and indeed the variable was used incorrectly. See below the correct syntax.

<xsl:when test="$propName='item_id'">
  <td>
    <xsl:variable name="itemId" select="$occRef/@*[local-name()=$propName]"/>
    <a href="{concat('https://xyz.com/webpr/webpr.php?objtype=frames&amp;g_startlink=maintain&amp;g_startdata=', $itemId, '&amp;g_userid=msbzzh&amp;g_session_id=6017650')}" target="_blank">
      <xsl:value-of select="$itemId"/>
    </a>
    <xsl:text disable-output-escaping="yes">&amp;nbsp;</xsl:text>
  </td>
</xsl:when>

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