59 lines
2.8 KiB
Java
59 lines
2.8 KiB
Java
package com.youlai.system.config;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.module.SimpleModule;
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import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
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import lombok.extern.slf4j.Slf4j;
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import org.hibernate.validator.HibernateValidator;
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import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
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import org.springframework.boot.autoconfigure.AutoConfiguration;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
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import org.springframework.validation.beanvalidation.SpringConstraintValidatorFactory;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
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import javax.validation.Validation;
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import javax.validation.Validator;
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import javax.validation.ValidatorFactory;
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import java.math.BigInteger;
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import java.text.SimpleDateFormat;
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import java.util.List;
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import java.util.TimeZone;
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@Configuration
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@Slf4j
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public class WebMvcConfig implements WebMvcConfigurer {
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@Override
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public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
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MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
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ObjectMapper objectMapper = jackson2HttpMessageConverter.getObjectMapper();
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objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
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objectMapper.setTimeZone(TimeZone.getTimeZone("GMT+8"));
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objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
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// 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)）
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SimpleModule simpleModule = new SimpleModule();
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simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
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simpleModule.addSerializer(BigInteger.class, ToStringSerializer.instance);
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objectMapper.registerModule(simpleModule);
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jackson2HttpMessageConverter.setObjectMapper(objectMapper);
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converters.add(0, jackson2HttpMessageConverter);
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}
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@Bean
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public Validator validator(final AutowireCapableBeanFactory autowireCapableBeanFactory) {
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ValidatorFactory validatorFactory = Validation.byProvider(HibernateValidator.class)
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.configure()
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.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
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.constraintValidatorFactory(new SpringConstraintValidatorFactory(autowireCapableBeanFactory))
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.buildValidatorFactory();
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return validatorFactory.getValidator();
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}
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}
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