问题
The following statement in JSP page encounters error near first equals occurence.What is the reason and how we can solve this problem.Please rectify me as soon as possible
${(fn:length(updateStock.todayDimensionStones)==i.count) && (!DimensionStones.status.equals('New')||!DimensionStones.isInspected.equals('No'))}
Page is loaded successfully.But in JBOSS VISUAL STUDIO editor says that
Multiple annotations found at this line:- Encountered "(" at line 1,
column 86.
Was expecting one of:
"." ...
">" ...
"gt" ...
"<" ...
"lt" ...
"==" ...
"eq" ...
"<=" ...
"le" ...
">=" ...
"ge" ...
"!=" ...
"ne" ...
")" ...
"[" ...
"+" ...
"-" ...
"*" ...
"/" ...
"div" ...
"%" ...
"mod" ...
"and" ...
"&&;&&;" ...
"or" ...
"||" ...
- EL Syntax Error
- Encountered "(" at line 1,
column 86.
Was expecting one of:
"." ...
">" ...
"gt" ...
"<" ...
"lt" ...
"==" ...
"eq" ...
"<=" ...
"le" ...
">=" ...
"ge" ...
"!=" ...
"ne" ...
")" ...
"[" ...
"+" ...
"-" ...
"*" ...
"/" ...
"div" ...
"%" ...
"mod" ...
"and" ...
"&&;&&;" ...
"or" ...
"||" ...
回答1:
In the JSP EL, == (or !=) is normally used to compare strings, not .equals():
${(fn:length(updateStock.todayDimensionStones) == i.count) &&
(DimensionStones.status != 'New' || DimensionStones.isInspected != 'No')}
AFAIR, the latest version of the JSP EL allows calling methods, but your IDE is probably out of date and doesn't expect it. Eclipse is well-known for signalling errors that are not errors at all. Trust your app server.
来源：https://stackoverflow.com/questions/18415944/el-syntax-error-is-en