Exception in thread “main“ org.apache.ibatis.binding.BindingException: Invalid bound statement (not

问题：   

D:\java\jdk\bin\java.exe "-javaagent:D:\idea\IntelliJ IDEA 2019.1.1\lib\idea_rt.jar=8425:D:\idea\IntelliJ IDEA 2019.1.1\bin" -Dfile.encoding=UTF-8 -classpath D:\java\jdk\jre\lib\charsets.jar;D:\java\jdk\jre\lib\deploy.jar;D:\java\jdk\jre\lib\ext\access-bridge-64.jar;D:\java\jdk\jre\lib\ext\cldrdata.jar;D:\java\jdk\jre\lib\ext\dnsns.jar;D:\java\jdk\jre\lib\ext\jaccess.jar;D:\java\jdk\jre\lib\ext\jfxrt.jar;D:\java\jdk\jre\lib\ext\localedata.jar;D:\java\jdk\jre\lib\ext\nashorn.jar;D:\java\jdk\jre\lib\ext\sunec.jar;D:\java\jdk\jre\lib\ext\sunjce_provider.jar;D:\java\jdk\jre\lib\ext\sunmscapi.jar;D:\java\jdk\jre\lib\ext\sunpkcs11.jar;D:\java\jdk\jre\lib\ext\zipfs.jar;D:\java\jdk\jre\lib\javaws.jar;D:\java\jdk\jre\lib\jce.jar;D:\java\jdk\jre\lib\jfr.jar;D:\java\jdk\jre\lib\jfxswt.jar;D:\java\jdk\jre\lib\jsse.jar;D:\java\jdk\jre\lib\management-agent.jar;D:\java\jdk\jre\lib\plugin.jar;D:\java\jdk\jre\lib\resources.jar;D:\java\jdk\jre\lib\rt.jar;D:\idea\mybatis1\target\classes;C:\Users\li\.m2\repository\org\mybatis\mybatis\3.4.2\mybatis-3.4.2.jar;C:\Users\li\.m2\repository\mysql\mysql-connector-java\5.1.41\mysql-connector-java-5.1.41.jar;C:\Users\li\.m2\repository\com\github\pagehelper\pagehelper\5.0.0\pagehelper-5.0.0.jar;C:\Users\li\.m2\repository\com\github\jsqlparser\jsqlparser\0.9.5\jsqlparser-0.9.5.jar;C:\Users\li\.m2\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar com.imooc.mybatis.test.ParameterTest Exception in thread "main" org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.imooc.mybatis.dao.PersonMapper.deletePerson     at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:230)     at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:48)     at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:65)     at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:58)     at com.sun.proxy.$Proxy5.deletePerson(Unknown Source)     at com.imooc.mybatis.test.ParameterTest.deletePerson(ParameterTest.java:44)     at com.imooc.mybatis.test.ParameterTest.main(ParameterTest.java:60)

Process finished with exit code 1

问题1.https://blog.csdn.net/guoguozgw/article/details/91429786 

问题2 错误：   有空格

    正确：   .     没有空格。