[英]Unable to update value of particular element if it is empty in xml using NSIS installer
我正在研究 NSIS [Nullsoft 安裝程序系統] 安裝程序腳本。 例如,當元素為空時,我面臨更新 XML 元素值 [使用的 XML 插件] 的問題,
**Element value to be updated: <Name />
After executing the below script, the output is : <Test />**
${xml::LoadFile} "$EXEDIR\install1.config" $0
${If} $0 != -1
${xml::GotoPath} "/InstallerInputs/Name" $0
${xml::FirstChild} "" $0 $1
${xml::SetNodeValue} "Test"
${xml::SaveFile} "$EXEDIR\install1.config" $0
${xml::Unload}
${EndIf}
XML結構如下,
<?xml version="1.0" encoding="utf-16" ?>
<InstallerInputs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
**<Name></Name>** or **<Name />**
<Password></Password>
</InstallerInputs>
輸出 XML:
<?xml version="1.0" encoding="utf-16" ?>
<InstallerInputs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
**<Test/>**
<Password></Password>
</InstallerInputs>
任何幫助....
兩個問題:
${xml::FirstChild}
將失敗,因為 Name 沒有子節點。${xml::SetNodeValue}
似乎設置標簽名稱,而不是內部文本。嘗試這個
!if 0
FileOpen $0 "$Temp\test.xml" w
FileWrite $0 '<?xml version="1.0" encoding="utf-16" ?>$\r$\n'
FileWrite $0 '<InstallerInputs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">$\r$\n'
FileWrite $0 '<Name></Name>$\r$\n'
FileWrite $0 '<Password></Password>$\r$\n'
FileWrite $0 '</InstallerInputs>$\r$\n'
FileClose $0
!endif
${xml::LoadFile} "$Temp\test.xml" $0
${If} $0 != -1
${xml::GotoPath} "/InstallerInputs/Name" $0
${If} $0 = 0
${xml::SetText} "Test" $0
${xml::SaveFile} "$Temp\test.xml" $0
${EndIf}
${xml::Unload}
${EndIf}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.