org.apache.ibatis.binding.BindingException: Invalid bound statement (not found)

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本文探讨了在使用MyBatis框架过程中遇到的无效绑定语句异常问题，并详细分析了其原因及解决方法，帮助开发者避免类似错误。

org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.itcast.mybatis.mapper.UserMapper.queryUserByWhere        无效绑定语句(未找到)
      at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:189)
      at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:43)
      at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:58)
      at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:51)
      at com.sun.proxy.$Proxy3.queryUserByWhere(Unknown Source)
      at cn.itcast.mybatis.test.OrderMapperTest.testQueryUserByWhere(OrderMapperTest.java:58)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
      at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
      at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
      at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
      at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
      at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
      at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
      at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
      at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
      at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
      at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
      at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
      at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
      at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
      at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

把sql实现写到其他mapper.xml或test去了