完整异常：Caused by: org.apache.ibatis.builder.BuilderException: Error evaluating expression 'developerType ! = '''. Cause: org.apache.ibatis.ognl.ExpressionSyntaxException: Malformed OGNL expression: developerType ! = '' [org.apache.ibatis.ognl.ParseException: Encountered "!" at line 1, column 15.
Was expecting one of:
<EOF>
"," ...
"=" ...
"?" ...
"||" ...
"or" ...
"&&" ...
"and" ...
"|" ...
"bor" ...
"^" ...
"xor" ...
"&" ...
"band" ...
"==" ...
"eq" ...
"!=" ...
"neq" ...
"<" ...
"lt" ...
">" ...
"gt" ...
"<=" ...
"lte" ...
">=" ...
"gte" ...
"in" ...
"not" ...
"<<" ...
"shl" ...
">>" ...
"shr" ...
">>>" ...
"ushr" ...
"+" ...
"-" ...
"*" ...
"/" ...
"%" ...
"instanceof" ...
"." ...
"(" ...
"[" ...
<DYNAMIC_SUBSCRIPT> ...
]
这种问题出现在 字段 != null and 字段 != ''
错误写为了 字段 != null and != '', 缺少and后面的字段.
