使用Velocity Tools的时候,一定要在toolbox.xml中指定,然后在应用的web.xml中配置。
关于date,如下所示:
函数举例显示结果
$date 2008-04-22
$date.long 2008年4月22日 下午10时58分54秒
$date.medium_time 22:58:54
$date.full_date 2008年4月22日 星期二
$date.yyyy 2008
$date.get('default','short') 2008-4-22 下午10:58
$date.get('yyyy-M-d H:m:s') 2008-4-22 22:58:54
$date.whenIs('2008-04-20') 2 days 22 hours ago
$date.whenIs('2008-04-20').full 2 days 22 hours 58 minutes 54 seconds 484 milliseconds ago
$date.whenIs('2008-04-20').days -2
$date.whenIs('2008-04-20') 22 hours 58 minutes ago
$date.whenIs('2008-04-20','2008-04-20') same time
$date.difference('2008-04-20', '2008-04-20') 2 days
$date.whenIs('2008-04-20').days -2
关于math,如下所示:
函数举例显示结果
$math.add("10","4") 14
$math.sub("100","20") 80
$math.mul("11","7") 77
$math.div("100","5") 20
$math.idiv("100","5") 20
$math.pow("2","5") 32
$math.mod("13","5") 3
$math.max("99","16") 99
$math.min("99","16") 16
$math.abs("-99") 99
$math.cell("99.26") $math.cell("99.26")
$math.floor("99.26") 99
$math.random 0.7663665545444911
$math.random("1","10") 2
$math.roundTo("2","5") 5.0
$math.toInteger("15") 15
$math.toDouble("15") 15.0
$math.toNumber("15") 15
关于number,如下所示:
函数举例显示结果
$number org.apache.velocity.tools.generic.NumberTool@32c41c
$number.currency("35") ¥35.00
$number.format #0.0
$number.locale zh_CN
$number.format("35") 35.0 $number.integer("35.47") 35
$number.number("35.47") 35.47
$number.percent("0.3547") 35%
$number.toNumber("35.47") 35.47
关于sorter,如下所示:
函数举例显示结果
$sorter.sort(['d','a','b','c']) [a, b, c, d]
$sorter.sort([5,1,12,3]) [1, 3, 5, 12]
sorter工具,可以对指定的集合进行排序,如List,Array,Map等等。
关于esc,如下所示:
函数举例显示结果
$esc org.apache.velocity.tools.generic.EscapeTool@e09a07
$esc.b \
$esc.backslash \
$esc.d $
$esc.dollar $
$esc.e !
$esc.exclamation !
$esc.h #
$esc.hash #
$esc.q "
$esc.quote " \esc.s esc.s
$esc.singleQuote ' $esc.html("$esc.backslash") \
$esc.url("shirdrn.org/users/index.vm?id=1&name=异域王者") shirdrn.org%2Fusers%2Findex.vm%3Fid%3D1%26name%3D%E5%BC%82%E5%9F%9F%E7%8E%8B%E8%80%85
$esc.sql("SELECT * FROM PERSON WHERE ID='2008042319831'") SELECT * FROM PERSON WHERE ID=''2008042319831''
\$esc.java() [说明]Escapes the characters in a String using Java String rules.
\$esc.javascript() [说明]Escapes the characters in a String using JavaScript String rules.
\$esc.xml() [说明]Escapes the characters in a String using XML entities.
\$esc.propertyKey() [说明]Escapes the characters in a String using java.util.Properties rules for escaping keys.
\$esc.propertyValue() [说明]Escapes the characters in a String using java.util.Properties rules for escaping values.