问题描述
- xml中定义为DefaultValue的属性在浏览器中没显示出来
-
xml中的代码:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE CATALOG SYSTEM "4.DTD">
<CATALOG>
<PRODUCT NAME="ff" >
<SPECIFICATIONS WEIGHT="1221" POWER="DSDS"></SPECIFICATIONS>
<OPRIONS></OPRIONS>
<PRICE/>
<NOTES/>
</PRODUCT>
</CATALOG>4.DTD中的代码:
<?xml version="1.0" encoding="utf-8"?> <!ELEMENT CATALOG (PRODUCT+)> <!ELEMENT PRODUCT (SPECIFICATIONS+,OPTIONS?,PRICE+,NOTES?)> <!ATTLIST PRODUCT NAME CDATA #IMPLIED CATEGORY (HandTool|Table|Shop-Professional) "HandTool" PARTNUM CDATA #IMPLIED PLANT (Pittsburgh|Milwaukee|Chicago) "Chicago" INVENTORY (InStock|Backordered|Discontinued) "InStock"> <!ELEMENT SPECIFICATIONS (#PCDATA)> <!ATTLIST SPECIFICATIONS WEIGHT CDATA #IMPLIED POWER CDATA #IMPLIED> <!ELEMENT OPTIONS (#PCDATA)> <!ATTLIST OPTIONS FINISH (Metal|Polished|Matte) "Matte" ADAPTER (Included|Optional|NotApplicable) "Included" CASE (HardShell|Soft|NotApplicable) "HardShell"> <!ELEMENT PRICE (#PCDATA)> <!ELEMENT NOTES (#PCDATA)>
浏览器中效果:
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE CATALOG (View Source for full doctype...)>
- <CATALOG>
- <PRODUCT NAME="ff" CATEGORY="HandTool" PLANT="Chicago" INVENTORY="InStock">
<SPECIFICATIONS WEIGHT="1221" POWER="DSDS" />
<OPRIONS />
<PRICE />
<NOTES />
</PRODUCT>
</CATALOG>问题:PRODUCT中定义为DefaultValue的属性有显示出来,而OPRIONS中定义为DefaultValue的属性却没有显示出来?
时间: 2024-09-09 12:33:49