mybatis中的og表达式都支持哪些 支持or and 传值是数字无所谓加不加‘ ‘ 传值为字符串必须加 ‘ ‘

aused by: org.apache.ibatis.builder.BuilderException: Error evaluating expression 'a!=null and a!='' and a==01.toString'. Cause: org.apache.ibatis.ognl.ExpressionSyntaxException: Malformed OGNL expression: a!=null and a!='' and a==01.toString [org.apache.ibatis.ognl.ParseException: Encountered " "toString "" at line 1, column 29.
Was expecting one of:
     
    "," ...
    "=" ...
    "?" ...
    "||" ...
    "or" ...
    "&&" ...
    "and" ...
    "|" ...
    "bor" ...
    "^" ...
    "xor" ...
    "&" ...
    "band" ...
    "==" ...
    "eq" ...
    "!=" ...
    "neq" ...
    "<" ...
    "lt" ...
    ">" ...
    "gt" ...
    "<=" ...
    "lte" ...
    ">=" ...
    "gte" ...
    "in" ...
    "not" ...
    "<<" ...
    "shl" ...
    ">>" ...
    "shr" ...
    ">>>" ...
    "ushr" ...
    "+" ...
    "-" ...
    "*" ...
    "/" ...
    "%" ...
    "instanceof" ...
    "." ...
    "(" ...
    "[" ...
    ...
    ]

 

传的值是一个数字的话加不加' ' 都无所谓的  都可以匹配到

 

'mysql'.toString()">