SpringBoot+FastJson 配置

╰半橙微兮° 2021-10-14 07:00 447阅读 0赞

package com.zit.config;
    
    import java.nio.charset.Charset;
    import java.util.ArrayList;
    import java.util.List;
    
    import javax.annotation.Resource;
    
    import org.apache.logging.log4j.LogManager;
    import org.apache.logging.log4j.Logger;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.http.MediaType;
    import org.springframework.http.converter.HttpMessageConverter;
    import org.springframework.http.converter.StringHttpMessageConverter;
    import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
    import org.springframework.web.context.request.RequestContextListener;
    import org.springframework.web.servlet.config.annotation.EnableWebMvc;
    import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
    import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
    import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
    import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
    
    import com.alibaba.fastjson.serializer.SerializerFeature;
    import com.alibaba.fastjson.support.config.FastJsonConfig;
    import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
    import com.zit.cac.interceptor.LoginInterceptor;
    
    /**
    * <p>Title: WebMvcConfig</p>
    * <p>Description: 与spring-mvc.xml对应</p>
    * @date   2019年4月14日
    */
    @Configuration
    @EnableWebMvc
    public class WebMvcConfig implements WebMvcConfigurer {
    	static Logger logger = LogManager.getLogger(WebMvcConfig.class);
        @Resource
        private MappingJackson2HttpMessageConverter converter;
    
        @Override
        public void configureViewResolvers(ViewResolverRegistry registry) {
            registry.jsp("/WEB-INF/view/", ".jsp");
        }
    
        @Override
        public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        	//1.定义一个convert转换消息对象--字符串解析器
            StringHttpMessageConverter converter  = new StringHttpMessageConverter(Charset.forName("UTF-8"));
            //2.将convert添加到converters中并设置优先级
            converters.add(0,converter);
    
            //1.定义一个convert转换消息对象--json解析器
            FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
            //2.1添加fastjson的配置信息
            FastJsonConfig fastJsonConfig = new FastJsonConfig();
            fastJsonConfig.setSerializerFeatures(
                    SerializerFeature.WriteMapNullValue,
                    SerializerFeature.WriteNullStringAsEmpty,
                    SerializerFeature.WriteNullListAsEmpty,
                    SerializerFeature.WriteDateUseDateFormat);
            //2.2处理中文乱码问题
            List<MediaType> fastMediaTypes = new ArrayList<>();
            fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
            fastConverter.setSupportedMediaTypes(fastMediaTypes);
            //3.在convert中添加配置信息
            fastConverter.setFastJsonConfig(fastJsonConfig);
            //4.将convert添加到converters中并设置优先级
            converters.add(1,fastConverter);
        }
    
        @Bean
        public RequestContextListener requestContextListener(){
            return new RequestContextListener();
        }
        
        @Override
    	public void addInterceptors(InterceptorRegistry registry) {
        	
        	registry.addInterceptor(new LoginInterceptor());
        	
        }
    
    }