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youlai-boot/src/main/java/com/youlai/system/config/WebMvcConfig.java
2023-03-03 01:00:06 +08:00

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package com.youlai.system.config;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import jakarta.validation.Validation;
import jakarta.validation.Validator;
import jakarta.validation.ValidatorFactory;
import lombok.extern.slf4j.Slf4j;
import org.hibernate.validator.HibernateValidator;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.validation.beanvalidation.SpringConstraintValidatorFactory;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import java.math.BigInteger;
import java.text.SimpleDateFormat;
import java.util.List;
import java.util.TimeZone;
@Configuration
@Slf4j
public class WebMvcConfig implements WebMvcConfigurer {
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
converters.add(new StringHttpMessageConverter());
MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
ObjectMapper objectMapper = jackson2HttpMessageConverter.getObjectMapper();
objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
objectMapper.setTimeZone(TimeZone.getTimeZone("GMT+8"));
objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
// 后台Long值传递给前端精度丢失问题JS最大精度整数是Math.pow(2,53)
SimpleModule simpleModule = new SimpleModule();
simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
simpleModule.addSerializer(BigInteger.class, ToStringSerializer.instance);
objectMapper.registerModule(simpleModule);
jackson2HttpMessageConverter.setObjectMapper(objectMapper);
converters.add(jackson2HttpMessageConverter);
}
@Bean
public Validator validator(final AutowireCapableBeanFactory autowireCapableBeanFactory) {
ValidatorFactory validatorFactory = Validation.byProvider(HibernateValidator.class)
.configure()
.failFast(true) // failFast=true 不校验所有参数,只要出现校验失败情况直接返回,不再进行后续参数校验
.constraintValidatorFactory(new SpringConstraintValidatorFactory(autowireCapableBeanFactory))
.buildValidatorFactory();
return validatorFactory.getValidator();
}
}