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 设置spring-mvc.xml:

'''xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:context="http://www.springframework.org/schema/context"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
"><!--将bean交给dispatcherServlet使用--><context:component-scan base-package="com.ekgc.controller"/><!--    设置后端响应给前端的json数据转换成String格式--><bean id="stringConverter"class="org.springframework.http.converter.StringHttpMessageConverter"><property name="writeAcceptCharset" value="false" /><property name="supportedMediaTypes"><list><value>text/html;charset=UTF-8</value></list></property></bean><bean id="jsonConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/><bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"><property name="messageConverters"><list><ref bean="stringConverter" /><ref bean="jsonConverter" /></list></property></bean>
</beans>

'''

web.xml读取spring-mvc.xml

'''xml

<!DOCTYPE web-app PUBLIC"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN""http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring-config.xml</param-value></context-param><!-- 监听spring容器 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><servlet><servlet-name>springMVC</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring-mvc.xml</param-value></init-param></servlet><servlet-mapping><servlet-name>springMVC</servlet-name><url-pattern>/</url-pattern></servlet-mapping>
</web-app>

'''