springboot2.0 controller中文问号或者乱码的解决办法

开发过程中中文一直是？？？显示，根据网上的帖子修改配置文件后也没有效果。后来偶然间看到一篇文章，把fastjson改为默认序列化插件，加入后就没有问题了。

 

 1 package com.leenleda.ward.tv.admin.interceptor;
 2 
 3 import com.alibaba.fastjson.serializer.SerializerFeature;
 4 import com.alibaba.fastjson.support.config.FastJsonConfig;
 5 import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
 6 import com.leenleda.ward.tv.common.config.LeenledaConfig;
 7 import org.springframework.beans.factory.annotation.Autowired;
 8 import org.springframework.context.annotation.Configuration;
 9 import org.springframework.http.MediaType;
10 import org.springframework.http.converter.HttpMessageConverter;
11 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
12 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
13 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
14 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
15 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
16 
17 import javax.annotation.Resource;
18 import java.util.ArrayList;
19 import java.util.Arrays;
20 import java.util.List;
21 
22 
23 /**
24  * @Author: pengbenlei
25  * @Date: 2020/2/19 11:22
26  * @Description:
27  */
28 @Configuration
29 @EnableWebMvc
30 public class CustomMVCConfiguration implements WebMvcConfigurer {
31 
32     @Resource
33     LoginInterceptor loginInterceptor;
34 
35     @Autowired
36     LeenledaConfig leenledaConfig;
37 
38     @Override
39     public void addInterceptors(InterceptorRegistry registry) {
40         //登录拦截器
41         registry.addInterceptor(loginInterceptor).addPathPatterns("/admin/**").excludePathPatterns(Arrays.asList("/file/**"));
42     }
43 
44     /**
45      * 添加静态资源文件，外部可以直接访问地址
46      *
47      * @param registry
48      */
49     @Override
50     public void addResourceHandlers(ResourceHandlerRegistry registry) {
51         String locationPath = "file:" + leenledaConfig.getLeenledaUploadRoot() + "/leenleda/application/";
52         registry.addResourceHandler("/file/**")
53                 .addResourceLocations(locationPath);
54     }
55 
56     @Override
57     public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
58 
59         for (int i = converters.size() - 1; i >= 0; i--) {
60             if (converters.get(i) instanceof MappingJackson2HttpMessageConverter) {
61                 converters.remove(i);
62             }
63         }
64         FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
65         FastJsonConfig config = new FastJsonConfig();
66         config.setSerializerFeatures(
67                 SerializerFeature.WriteMapNullValue,        // 是否输出值为null的字段,默认为false
68                 SerializerFeature.WriteNullListAsEmpty,     // 将Collection类型字段的字段空值输出为[]
69                 SerializerFeature.WriteNullStringAsEmpty,   // 将字符串类型字段的空值输出为空字符串
70                 SerializerFeature.WriteNullNumberAsZero,    // 将数值类型字段的空值输出为0
71                 SerializerFeature.WriteDateUseDateFormat,
72                 SerializerFeature.DisableCircularReferenceDetect    // 禁用循环引用
73         );
74         fastJsonHttpMessageConverter.setFastJsonConfig(config);
75         // 添加支持的MediaTypes;不添加时默认为*/*,也就是默认支持全部
76         // 但是MappingJackson2HttpMessageConverter里面支持的MediaTypes为application/json
77         // 参考它的做法, fastjson也只添加application/json的MediaType
78         List<MediaType> fastMediaTypes = new ArrayList<>();
79         fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
80         fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
81         converters.add(fastJsonHttpMessageConverter);
82     }
83 
84 }
WebMvcConfigurer

 

posted @ 2020-04-08 18:04  Rolay  阅读(2233)  评论(0)  编辑  收藏  举报