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SpringBoot 使用Gson 添加依赖需要排除web自带的jackson<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> </dependency>增加配置文件@Configuration public class GsonConfig { @Bean @ConditionalOnMissingBean public GsonHttpMessageConverter gsonHttpMessageConverter() { GsonHttpMessageConverter gsonHttpMessageConverter = new GsonHttpMessageConverter(); gsonHttpMessageConverter.setDefaultCharset(StandardCharsets.UTF_8); GsonBuilder gsonBuilder = new GsonBuilder(); //设置日期格式 gsonBuilder.setDateFormat("yyyy-MM-dd"); //设置忽略的字段 gsonBuilder.excludeFieldsWithModifiers(Modifier.PROTECTED); Gson gson = gsonBuilder.create(); gsonHttpMessageConverter.setGson(gson); return gsonHttpMessageConverter; } }增加测试类@Data public class Person { protected Integer age; private String name; private Date birthday; }测试 @GetMapping("test") public Person test() { Person person = new Person(); person.setAge(30); person.setBirthday(new Date()); person.setName("张三"); return person; }
