疯狂的狮子li
2021-12-22 89de1beb6fe245eb0c9f96e68cbe5cd46877e7d1
ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java
@@ -3,33 +3,47 @@
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.ruoyi.framework.jackson.BigNumberSerializer;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.autoconfigure.jackson.JacksonProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;
/**
 * 当Mybatis plus设置为雪花ID时
 * 使用此类,会把所有数字返回变为字符串返回适配前端Long型失真问题
 * jackson 配置
 *
 * @author Ming LI
 * @author Lion Li
 */
@Slf4j
@Configuration
public class JacksonConfig {
   @Bean
   @Primary
   @ConditionalOnMissingBean(ObjectMapper.class)
   @ConditionalOnProperty(value = "mybatis-plus.global-config.dbConfig.idType", havingValue = "ASSIGN_ID")
   public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
   @Bean
   public ObjectMapper getObjectMapper(Jackson2ObjectMapperBuilder builder, JacksonProperties jacksonProperties) {
      ObjectMapper objectMapper = builder.createXmlMapper(false).build();
      // 全局配置序列化返回 JSON 处理
      SimpleModule simpleModule = new SimpleModule();
      //JSON Long ==> String
      simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
      simpleModule.addSerializer(Long.class, BigNumberSerializer.INSTANCE);
      simpleModule.addSerializer(Long.TYPE, BigNumberSerializer.INSTANCE);
      simpleModule.addSerializer(BigInteger.class, BigNumberSerializer.INSTANCE);
      simpleModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
      DateTimeFormatter formatter = DateTimeFormatter.ofPattern(jacksonProperties.getDateFormat());
      simpleModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(formatter));
      simpleModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(formatter));
      objectMapper.registerModule(simpleModule);
      objectMapper.setTimeZone(TimeZone.getDefault());
      log.info("初始化 jackson 配置");
      return objectMapper;
   }