jackson 序列化 LocalDateTime配置

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 1 package cn.common.config;
 2 
 3 import com.fasterxml.jackson.databind.ObjectMapper;
 4 import com.fasterxml.jackson.databind.module.SimpleModule;
 5 import com.fasterxml.jackson.datatype.jsr310.PackageVersion;
 6 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
 7 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
 8 import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
 9 import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
10 import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
11 import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
12 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
13 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
14 import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
15 import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
16 import org.springframework.context.annotation.Bean;
17 import org.springframework.context.annotation.Configuration;
18 
19 import java.time.LocalDate;
20 import java.time.LocalDateTime;
21 import java.time.LocalTime;
22 import java.time.ZoneId;
23 import java.time.format.DateTimeFormatter;
24 import java.util.Locale;
25 import java.util.TimeZone;
26 
27 /**
28  * JSON LocalDateTime 序列化、反序列化配置
29  */
30 @Configuration
31 @ConditionalOnClass(ObjectMapper.class)
32 @AutoConfigureBefore(JacksonAutoConfiguration.class)
33 public class JsonLocalDateTimeConfig {
34     public static final String NORM_DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
35     public static final String NORM_DATE_PATTERN = "yyyy-MM-dd";
36     public static final String NORM_TIME_PATTERN = "HH:mm:ss";
37     /**
38      * 时区配置
39      */
40     @Bean
41     public Jackson2ObjectMapperBuilderCustomizer jacksonObjectMapperCustomization() {
42         return jacksonObjectMapperBuilder -> {
43             /**
44              * 配置Date的格式化
45              */
46             jacksonObjectMapperBuilder.locale(Locale.CHINA);
47             jacksonObjectMapperBuilder.timeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
48             jacksonObjectMapperBuilder.simpleDateFormat(NORM_DATETIME_PATTERN);
49             /**
50              * 配置java8 时间配置
51              */
52             jacksonObjectMapperBuilder.modules(new JavaLocalDateTimeModule());
53         };
54     }
55 
56     ///配置自定义model
57     class JavaLocalDateTimeModule extends SimpleModule {
58         public JavaLocalDateTimeModule() {
59             super(PackageVersion.VERSION);
60             this.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(
61                     NORM_DATETIME_PATTERN)));
62             this.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(NORM_DATE_PATTERN)));
63             this.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(NORM_TIME_PATTERN)));
64             this.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(NORM_DATETIME_PATTERN)));
65             this.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(NORM_DATE_PATTERN)));
66             this.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(NORM_TIME_PATTERN)));
67 
68         }
69     }
70 }

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