source: nutchez-0.1/tomcat/webapps/examples/jsp/jsp2/el/basic-comparisons.jsp.html @ 228

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NutchEz - an easy way to nutch
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18&lt;html>
19  &lt;head>
20    &lt;title>JSP 2.0 Expression Language - Basic Comparisons&lt;/title>
21  &lt;/head>
22  &lt;body>
23    &lt;h1>JSP 2.0 Expression Language - Basic Comparisons&lt;/h1>
24    &lt;hr>
25    This example illustrates basic Expression Language comparisons.
26    The following comparison operators are supported:
27    &lt;ul>
28      &lt;li>Less-than (&amp;lt; or lt)&lt;/li>
29      &lt;li>Greater-than (&amp;gt; or gt)&lt;/li>
30      &lt;li>Less-than-or-equal (&amp;lt;= or le)&lt;/li>
31      &lt;li>Greater-than-or-equal (&amp;gt;= or ge)&lt;/li>
32      &lt;li>Equal (== or eq)&lt;/li>
33      &lt;li>Not Equal (!= or ne)&lt;/li>
34    &lt;/ul>
35    &lt;blockquote>
36      &lt;u>&lt;b>Numeric&lt;/b>&lt;/u>
37      &lt;code>
38        &lt;table border="1">
39          &lt;thead>
40      &lt;td>&lt;b>EL Expression&lt;/b>&lt;/td>
41      &lt;td>&lt;b>Result&lt;/b>&lt;/td>
42    &lt;/thead>
43    &lt;tr>
44      &lt;td>\${1 &amp;lt; 2}&lt;/td>
45      &lt;td>${1 &lt; 2}&lt;/td>
46    &lt;/tr>
47    &lt;tr>
48      &lt;td>\${1 lt 2}&lt;/td>
49      &lt;td>${1 lt 2}&lt;/td>
50    &lt;/tr>
51    &lt;tr>
52      &lt;td>\${1 &amp;gt; (4/2)}&lt;/td>
53      &lt;td>${1 > (4/2)}&lt;/td>
54    &lt;/tr>
55    &lt;tr>
56      &lt;td>\${1 &amp;gt; (4/2)}&lt;/td>
57      &lt;td>${1 > (4/2)}&lt;/td>
58    &lt;/tr>
59    &lt;tr>
60      &lt;td>\${4.0 &amp;gt;= 3}&lt;/td>
61      &lt;td>${4.0 >= 3}&lt;/td>
62    &lt;/tr>
63    &lt;tr>
64      &lt;td>\${4.0 ge 3}&lt;/td>
65      &lt;td>${4.0 ge 3}&lt;/td>
66    &lt;/tr>
67    &lt;tr>
68      &lt;td>\${4 &amp;lt;= 3}&lt;/td>
69      &lt;td>${4 &lt;= 3}&lt;/td>
70    &lt;/tr>
71    &lt;tr>
72      &lt;td>\${4 le 3}&lt;/td>
73      &lt;td>${4 le 3}&lt;/td>
74    &lt;/tr>
75    &lt;tr>
76      &lt;td>\${100.0 == 100}&lt;/td>
77      &lt;td>${100.0 == 100}&lt;/td>
78    &lt;/tr>
79    &lt;tr>
80      &lt;td>\${100.0 eq 100}&lt;/td>
81      &lt;td>${100.0 eq 100}&lt;/td>
82    &lt;/tr>
83    &lt;tr>
84      &lt;td>\${(10*10) != 100}&lt;/td>
85      &lt;td>${(10*10) != 100}&lt;/td>
86    &lt;/tr>
87    &lt;tr>
88      &lt;td>\${(10*10) ne 100}&lt;/td>
89      &lt;td>${(10*10) ne 100}&lt;/td>
90    &lt;/tr>
91  &lt;/table>
92      &lt;/code>
93      &lt;br>
94      &lt;u>&lt;b>Alphabetic&lt;/b>&lt;/u>
95      &lt;code>
96        &lt;table border="1">
97          &lt;thead>
98      &lt;td>&lt;b>EL Expression&lt;/b>&lt;/td>
99      &lt;td>&lt;b>Result&lt;/b>&lt;/td>
100    &lt;/thead>
101    &lt;tr>
102      &lt;td>\${'a' &amp;lt; 'b'}&lt;/td>
103      &lt;td>${'a' &lt; 'b'}&lt;/td>
104    &lt;/tr>
105    &lt;tr>
106      &lt;td>\${'hip' &amp;gt; 'hit'}&lt;/td>
107      &lt;td>${'hip' > 'hit'}&lt;/td>
108    &lt;/tr>
109    &lt;tr>
110      &lt;td>\${'4' &amp;gt; 3}&lt;/td>
111      &lt;td>${'4' > 3}&lt;/td>
112    &lt;/tr>
113  &lt;/table>
114      &lt;/code>
115    &lt;/blockquote>
116  &lt;/body>
117&lt;/html>
118</pre></body></html>
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