开发当中resultful应用次数多么

老师，我的maven没有这一部分

报错，找不到

org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.itbaizhan.mapper.StudentMapper.findAll

com.itbz.mapper.UserMappercom.itbz.pojo.Userorg.apache.ibatis.io.Resourcesorg.apache.ibatis.session.SqlSessionorg.apache.ibatis.session.SqlSessionFactoryorg.apache.ibatis.session.SqlSessionFactoryBuilderorg.testng.annotations.java.io.InputStreamjava.util.ListTestUserMapper {
    () Exception {
        InputStream is = Resources.()SqlSessionFactoryBuilder builder = SqlSessionFactoryBuilder()SqlSessionFactory factory = builder.build(is)SqlSession session = factory.openSession()UserMapper mapper=session.getMapper(UserMapper.)List<User> all = mapper.findAll()all.forEach(System.::println)session.close()is.close()

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".

SLF4J: Defaulting to no-operation (NOP) logger implementation

SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

org.apache.ibatis.binding.BindingException: Type interface com.itbz.mapper.UserMapper is not known to the MapperRegistry.

at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47)

at org.apache.ibatis.session.Configuration.getMapper(Configuration.java:845)

at org.apache.ibatis.session.defaults.DefaultSqlSession.getMapper(DefaultSqlSession.java:288)

at TestUserMapper.testFindAll(TestUserMapper.java:25)

at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)

at java.base/java.lang.reflect.Method.invoke(Method.java:577)

at org.testng.internal.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:139)

at org.testng.internal.invokers.TestInvoker.invokeMethod(TestInvoker.java:664)

at org.testng.internal.invokers.TestInvoker.invokeTestMethod(TestInvoker.java:227)

at org.testng.internal.invokers.MethodRunner.runInSequence(MethodRunner.java:50)

at org.testng.internal.invokers.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:957)

at org.testng.internal.invokers.TestInvoker.invokeTestMethods(TestInvoker.java:200)

at org.testng.internal.invokers.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:148)

at org.testng.internal.invokers.TestMethodWorker.run(TestMethodWorker.java:128)

at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

at org.testng.TestRunner.privateRun(TestRunner.java:848)

at org.testng.TestRunner.run(TestRunner.java:621)

at org.testng.SuiteRunner.runTest(SuiteRunner.java:443)

at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:437)

at org.testng.SuiteRunner.privateRun(SuiteRunner.java:397)

at org.testng.SuiteRunner.run(SuiteRunner.java:336)

at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)

at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:95)

at org.testng.TestNG.runSuitesSequentially(TestNG.java:1280)

at org.testng.TestNG.runSuitesLocally(TestNG.java:1200)

at org.testng.TestNG.runSuites(TestNG.java:1114)

at org.testng.TestNG.run(TestNG.java:1082)

at com.intellij.rt.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:66)

at com.intellij.rt.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:109)

===============================================

Default Suite

Total tests run: 1, Passes: 0, Failures: 1, Skips: 0

===============================================

进程已结束,退出代码0

我写成大写的String也能查出来啊，有什么区别

一般网站存储用户数据怎么建表的? 比如用户关注的其它用户, 用户浏览视频记录,用户收藏记录, 这些数据分别存到不同的表中然后外键关联用户?还是建立多对多关系? 还是说用mongodb这种数据库?

这是什么原因

老师我这个怎么说不支持啊

老师，为什么会找不到数据库的url

为啥我搜索没反应，没搜到？

web.xml文件出现web-app的错误，不知道什么原因老师

控制台可以输出控制器方法的内容，但是跳转的时候就不行，怎么办呢？

借楼，补充一下

没有encoding选项啊，自己手打上去也没用...