扩展WebMvcConfigurerAdapter或如果需要更多控件使用WebMvcConfigurationSupport。
@Configuration
@EnableWebMvc
public class WebMvcConfig extends WebMvcConfigurerAdapter {
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
converters.add(createGsonHttpMessageConverter());
super.configureMessageConverters(converters);
}
private GsonHttpMessageConverter createGsonHttpMessageConverter() {
Gson gson = new GsonBuilder()
.excludeFieldsWithoutExposeAnnotation()
.setDateFormat("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'SSS'Z'")
.create();
GsonHttpMessageConverter gsonConverter = new GsonHttpMessageConverter();
gsonConverter.setGson(gson);
return gsonConverter;
}
}
在DispatcherServlet上下文中：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="gsonBuilder" class="com.google.gson.GsonBuilder">
<property name="dateFormat" value="yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'SSS'Z'" />
</bean>
<bean class="org.springframework.beans.factory.config.MethodInvokingfactorybean">
<property name="targetObject" ref="gsonBuilder" />
<property name="targetmethod" value="excludeFieldsWithoutExposeAnnotation" />
</bean>
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.GsonHttpMessageConverter">
<property name="gson">
<bean class="com.google.gson.Gson" factory-bean="gsonBuilder" factory-method="create" />
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
</beans>
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