Multiple annotations found at this line:
- cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'mvc:default-servlet-handler'.
- schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/mvc/spring-mvc.xsd', because 1) could not find the
document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
當時是查閱了 https://blog.csdn.net/bluishglc/article/details/7596118，雖然並未使用作者提到的方法（寫的很好，推薦），我是將報錯的刪了，然后重新添加上就莫名其妙好用了，不過還是謝謝。