94 lines
4.0 KiB
Java
94 lines
4.0 KiB
Java
package com.youlai.boot.config;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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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 com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
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import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
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import jakarta.validation.Validation;
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import jakarta.validation.Validator;
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import jakarta.validation.ValidatorFactory;
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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.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 java.math.BigInteger;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.List;
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import java.util.TimeZone;
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/**
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* Web 配置
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*
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* @author Ray.Hao
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* @since 2020/10/16
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*/
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@Configuration
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@Slf4j
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public class WebMvcConfig implements WebMvcConfigurer {
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private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
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/**
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* 配置消息转换器
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*
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* @param converters 消息转换器列表
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*/
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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 = new ObjectMapper();
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// 注册 JavaTimeModule（替代手动注册 LocalDateTimeSerializer）
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JavaTimeModule javaTimeModule = new JavaTimeModule();
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// 返回指定字符串格式
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javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DATE_TIME_FORMATTER));
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// 反序列化，接受前端传来的格式
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javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DATE_TIME_FORMATTER));
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objectMapper.registerModule(javaTimeModule);
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// 配置全局日期格式和时区
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objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
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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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// 处理 Long/BigInteger 的精度问题
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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(1, jackson2HttpMessageConverter);
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}
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/**
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* 配置校验器
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*
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* @param autowireCapableBeanFactory 用于注入 SpringConstraintValidatorFactory
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* @return Validator 实例
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*/
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@Bean
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public Validator validator(final AutowireCapableBeanFactory autowireCapableBeanFactory) {
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try (ValidatorFactory validatorFactory = Validation.byProvider(HibernateValidator.class)
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.configure()
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.failFast(true) // failFast=true 时，遇到第一个校验失败则立即返回，false 表示校验所有参数
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.constraintValidatorFactory(new SpringConstraintValidatorFactory(autowireCapableBeanFactory))
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.buildValidatorFactory()) {
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// 使用 try-with-resources 确保 ValidatorFactory 被正确关闭
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return validatorFactory.getValidator();
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}
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}
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}
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