spring.xml配置

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4        xmlns:context="http://www.springframework.org/schema/context"
 5        xmlns:mvc="http://www.springframework.org/schema/mvc"
 6        xsi:schemaLocation="http://www.springframework.org/schema/beans
 7         http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/mvc
 9         http://www.springframework.org/schema/mvc/spring-mvc.xsd
10         http://www.springframework.org/schema/context
11         http://www.springframework.org/schema/context/spring-context-4.3.xsd">
12 
13     <context:component-scan base-package="com.echo.digital"/>
14 
15     <import resource="spring-mybatis.xml"/>
16 
17     <mvc:default-servlet-handler/>
18 
19     <mvc:annotation-driven/>
20 
21     <!--json转换器-->
22     <mvc:annotation-driven>
23         <mvc:message-converters>
24             <bean class="org.springframework.http.converter.StringHttpMessageConverter">
25                 <!-- <constructor-arg ref="utf8Charset"/> -->
26                 <!-- <property name="supportedMediaTypes" value = "text/plain;charset=UTF-8" /> -->
27                 <property name="writeAcceptCharset" value="false" /><!-- 用于避免响应头过大 -->
28                 <property name = "supportedMediaTypes">
29                     <list>
30                         <value>text/plain;charset=UTF-8</value>
31                         <value>text/html;charset=UTF-8</value>
32                         <!--                         <value>text/json;charset=UTF-8</value>    -->
33                     </list>
34                 </property>
35             </bean>
36             <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
37                 <property name = "supportedMediaTypes">
38                     <list>
39                         <value>text/json;charset=UTF-8</value>
40                     </list>
41                 </property>
42 
43             </bean>
44         </mvc:message-converters>
45     </mvc:annotation-driven>
46 </beans>

注意：加背景色部分要对，添加错的话会扫描失败

历经苦难而不厌，此乃阿修罗之道。