mybatis3.5.3中 if 支持的逻辑语法

本文介绍了 MyBatis 3.5.3 版本中支持的 if 语句内可用的逻辑语法。包括了算术运算符、比较运算符、逻辑运算符等,并详细列举了每种运算符的具体使用形式。

mybatis3.5.3中 if 支持的逻辑语法

    <EOF> 
    "," ...
    "=" ...
    "?" ...
    "||" ...
    "or" ...
    "&&" ...
    "and" ...
    "|" ...
    "bor" ...
    "^" ...
    "xor" ...
    "&" ...
    "band" ...
    "==" ...
    "eq" ...
    "!=" ...
    "neq" ...
    "<" ...
    "lt" ...
    ">" ...
    "gt" ...
    "<=" ...
    "lte" ...
    ">=" ...
    "gte" ...
    "in" ...
    "not" ...
    "<<" ...
    "shl" ...
    ">>" ...
    "shr" ...
    ">>>" ...
    "ushr" ...
    "+" ...
    "-" ...
    "*" ...
    "/" ...
    "%" ...
    "instanceof" ...
    "." ...
    "(" ...
    "[" ...
    <DYNAMIC_SUBSCRIPT> ...

这是通过报错看到的
在这里插入图片描述

org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2 at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:80) ~[mybatis-3.5.3.jar:3.5.3] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:569) ~[na:na] at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426) ~[mybatis-spring-2.0.3.jar:2.0.3] at jdk.proxy2/jdk.proxy2.$Proxy70.selectOne(Unknown Source) ~[na:na] at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159) ~[mybatis-spring-2.0.3.jar:2.0.3] at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87) ~[mybatis-3.5.3.jar:3.5.3] at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:93) ~[mybatis-3.5.3.jar:3.5.3] at jdk.proxy2/jdk.proxy2.$Proxy81.selectPartPage(Unknown Source) ~[na:na] at hyzproject.graduationproject.service.impl.PartsServiceImpl.queryPage(PartsServiceImpl.java:44) ~[classes/:na] at hyzproject.graduationproject.service.impl.PartsServiceImpl$$FastClassBySpringCGLIB$$695f87e9.invoke(<generated>) ~[classes/:na] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:685) ~[spring-aop-5.2.2.RELEASE.jar:5.2.2.RELEASE] at hyzproject.graduationproject.service.impl.PartsServiceImpl$$EnhancerBySpringCGLIB$$db1e0b63.queryPage(<generated>) ~[classes/:na] at hyzproject.graduationproject.controller.PartsController.queryPage(PartsController.java:28) ~[classes/:
最新发布
12-05
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