update RFID functions
字符串截取
Merge pull request #1 from lhx2013/master

字符串截取
utf8 encoded update
add ending code
Merge remote-tracking branch 'upstream/master'

Conflicts:
	source/niot/WebRoot/WEB-INF/classes/cn/niot/controller/RecoAction.class
	source/niot/WebRoot/WEB-INF/classes/cn/niot/rule/RuleFunction.class
merge from cnnic git