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Creating Links and Cross-References(Chapter 6 of XSLT 2nd Edition)

The key() function returns a node-set from the document, using the index specified by an <xsl:key> element.

cdcatalog.xml
  1 <?xml version="1.0" encoding="ISO-8859-1"?>
  2 <!-- Edited by XMLSpy® -->
  3 <catalog>
  4     <cd>
  5         <title>Empire Burlesque</title>
  6         <artist>Bob Dylan</artist>
  7         <country>USA</country>
  8         <company>Columbia</company>
  9         <price>10.90</price>
 10         <year>1985</year>
 11     </cd>
 12     <cd>
 13         <title>Hide your heart</title>
 14         <artist>Bonnie Tyler</artist>
 15         <country>UK</country>
 16         <company>CBS Records</company>
 17         <price>9.90</price>
 18         <year>1988</year>
 19     </cd>
 20     <cd>
 21         <title>Greatest Hits</title>
 22         <artist>Dolly Parton</artist>
 23         <country>USA</country>
 24         <company>RCA</company>
 25         <price>9.90</price>
 26         <year>1982</year>
 27     </cd>
 28     <cd>
 29         <title>Still got the blues</title>
 30         <artist>Gary Moore</artist>
 31         <country>UK</country>
 32         <company>Virgin records</company>
 33         <price>10.20</price>
 34         <year>1990</year>
 35     </cd>
 36     <cd>
 37         <title>Eros</title>
 38         <artist>Eros Ramazzotti</artist>
 39         <country>EU</country>
 40         <company>BMG</company>
 41         <price>9.90</price>
 42         <year>1997</year>
 43     </cd>
 44     <cd>
 45         <title>One night only</title>
 46         <artist>Bee Gees</artist>
 47         <country>UK</country>
 48         <company>Polydor</company>
 49         <price>10.90</price>
 50         <year>1998</year>
 51     </cd>
 52     <cd>
 53         <title>Sylvias Mother</title>
 54         <artist>Dr.Hook</artist>
 55         <country>UK</country>
 56         <company>CBS</company>
 57         <price>8.10</price>
 58         <year>1973</year>
 59     </cd>
 60     <cd>
 61         <title>Maggie May</title>
 62         <artist>Rod Stewart</artist>
 63         <country>UK</country>
 64         <company>Pickwick</company>
 65         <price>8.50</price>
 66         <year>1990</year>
 67     </cd>
 68     <cd>
 69         <title>Romanza</title>
 70         <artist>Andrea Bocelli</artist>
 71         <country>EU</country>
 72         <company>Polydor</company>
 73         <price>10.80</price>
 74         <year>1996</year>
 75     </cd>
 76     <cd>
 77         <title>When a man loves a woman</title>
 78         <artist>Percy Sledge</artist>
 79         <country>USA</country>
 80         <company>Atlantic</company>
 81         <price>8.70</price>
 82         <year>1987</year>
 83     </cd>
 84     <cd>
 85         <title>Black angel</title>
 86         <artist>Savage Rose</artist>
 87         <country>EU</country>
 88         <company>Mega</company>
 89         <price>10.90</price>
 90         <year>1995</year>
 91     </cd>
 92     <cd>
 93         <title>1999 Grammy Nominees</title>
 94         <artist>Many</artist>
 95         <country>USA</country>
 96         <company>Grammy</company>
 97         <price>10.20</price>
 98         <year>1999</year>
 99     </cd>
100     <cd>
101         <title>For the good times</title>
102         <artist>Kenny Rogers</artist>
103         <country>UK</country>
104         <company>Mucik Master</company>
105         <price>8.70</price>
106         <year>1995</year>
107     </cd>
108     <cd>
109         <title>Big Willie style</title>
110         <artist>Will Smith</artist>
111         <country>USA</country>
112         <company>Columbia</company>
113         <price>9.90</price>
114         <year>1997</year>
115     </cd>
116     <cd>
117         <title>Tupelo Honey</title>
118         <artist>Van Morrison</artist>
119         <country>UK</country>
120         <company>Polydor</company>
121         <price>8.20</price>
122         <year>1971</year>
123     </cd>
124     <cd>
125         <title>Soulsville</title>
126         <artist>Jorn Hoel</artist>
127         <country>Norway</country>
128         <company>WEA</company>
129         <price>7.90</price>
130         <year>1996</year>
131     </cd>
132     <cd>
133         <title>The very best of</title>
134         <artist>Cat Stevens</artist>
135         <country>UK</country>
136         <company>Island</company>
137         <price>8.90</price>
138         <year>1990</year>
139     </cd>
140     <cd>
141         <title>Stop</title>
142         <artist>Sam Brown</artist>
143         <country>UK</country>
144         <company>A and M</company>
145         <price>8.90</price>
146         <year>1988</year>
147     </cd>
148     <cd>
149         <title>Bridge of Spies</title>
150         <artist>T`Pau</artist>
151         <country>UK</country>
152         <company>Siren</company>
153         <price>7.90</price>
154         <year>1987</year>
155     </cd>
156     <cd>
157         <title>Private Dancer</title>
158         <artist>Tina Turner</artist>
159         <country>UK</country>
160         <company>Capitol</company>
161         <price>8.90</price>
162         <year>1983</year>
163     </cd>
164     <cd>
165         <title>Midt om natten</title>
166         <artist>Kim Larsen</artist>
167         <country>EU</country>
168         <company>Medley</company>
169         <price>7.80</price>
170         <year>1983</year>
171     </cd>
172     <cd>
173         <title>Pavarotti Gala Concert</title>
174         <artist>Luciano Pavarotti</artist>
175         <country>UK</country>
176         <company>DECCA</company>
177         <price>9.90</price>
178         <year>1991</year>
179     </cd>
180     <cd>
181         <title>The dock of the bay</title>
182         <artist>Otis Redding</artist>
183         <country>USA</country>
184         <company>Atlantic</company>
185         <price>7.90</price>
186         <year>1987</year>
187     </cd>
188     <cd>
189         <title>Picture book</title>
190         <artist>Simply Red</artist>
191         <country>EU</country>
192         <company>Elektra</company>
193         <price>7.20</price>
194         <year>1985</year>
195     </cd>
196     <cd>
197         <title>Red</title>
198         <artist>The Communards</artist>
199         <country>UK</country>
200         <company>London</company>
201         <price>7.80</price>
202         <year>1987</year>
203     </cd>
204     <cd>
205         <title>Unchain my heart</title>
206         <artist>Joe Cocker</artist>
207         <country>USA</country>
208         <company>EMI</company>
209         <price>8.20</price>
210         <year>1987</year>
211     </cd>
212 </catalog>

 

xslt
 1 <?xml version="1.0" encoding="ISO-8859-1"?>
 2 <!-- Edited by XMLSpy® -->
 3 <xsl:stylesheet version="1.0"
 4 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 5 
 6 <xsl:key name="cdlist" match="cd" use="title" />
 7 
 8 <xsl:template match="/">
 9 <html>
10 <body>
11 <xsl:for-each select="key('cdlist', 'Empire Burlesque')">
12 <p>
13 Title: <xsl:value-of select="title" />
14 <br />
15 Artist: <xsl:value-of select="artist" />
16 <br />
17 Price: <xsl:value-of select="price" />
18 </p>
19 </xsl:for-each>
20 </body>
21 </html>
22 </xsl:template>
23 
24 </xsl:stylesheet>

 

http://www.w3schools.com/xsl/cdcatalog_key.xml 

 

The generate-id() function returns a string value that uniquely identifies a specified node.

If the node-set specified is empty, an empty string is returned. If you omit the node-set parameter, it defaults to the current node.

xslt
 1 <?xml version="1.0" encoding="ISO-8859-1"?>
 2 <!-- Edited by XMLSpy® -->
 3 <xsl:stylesheet version="1.0"
 4 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 5 
 6 <xsl:template match="/">
 7 <html>
 8 <body>
 9 <h3>Artists:</h3>
10 <ul>
11 <xsl:for-each select="catalog/cd">
12   <li>
13   <a href="#{generate-id(artist)}">
14   <xsl:value-of select="artist" /></a>
15   </li>
16 </xsl:for-each>
17 </ul>
18 <hr />
19 <xsl:for-each select="catalog/cd">
20   Artist: <a name="{generate-id(artist)}">
21   <xsl:value-of select="artist" /></a>
22   <br />
23   Title: <xsl:value-of select="title" />
24   <br />
25   Price: <xsl:value-of select="price" />
26   <hr />
27 </xsl:for-each>
28 </body>
29 </html>
30 </xsl:template>

 

http://www.w3schools.com/xsl/cdcatalog_generateid.xml

 

 

posted on 2011-02-15 18:37  Ray Z  阅读(193)  评论(0)    收藏  举报

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