这里我使用 java 1.8 的 LocalDate 类。在我的 bean 中，我将返回类型设置为 LocalDate。我发送日期格式为07/01/2017。当我试图保存时，我遇到了以下异常。
org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver] (default task-33) Failed to read HTTP message: org.springframework.http.converter.HttpMessageNotReadableException: Could not read document: Can not instantiate value of type [simple type, class java.time.LocalDate] from String value ('07/01/2017'); no single-String constructor/factory method
at [Source: java.io.PushbackInputStream@39959f38; line: 1, column: 650] (through reference chain: com.pro.bean.ParentBean["Soici"]->com.pro.bean.Soici["fecha_de_solicitud"]); nested exception is com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate value of type [simple type, class java.time.LocalDate] from String value ('07/01/2017'); no single-String constructor/factory method
at [Source: java.io.PushbackInputStream@39959f38; line: 1, column: 650] (through reference chain: com.pro.bean.ParentBean["Soici"]->com.pro.bean.Soici["fecha_de_solici"])
添加 com.fasterxml.jackson.datatype-jsr310 依赖项
然后配置 Jackson2ObjectMapper
@Bean(name = "OBJECT_MAPPER_BEAN")
public ObjectMapper jsonObjectMapper() {
return Jackson2ObjectMapperBuilder.json()
.serializationInclusion(JsonInclude.Include.NON_NULL) // Don’t include null values
.featuresToDisable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS) //ISODate
.modules(new JSR310Module())
.build();
}
SOURCE: https://blog.oio.de/2015/06/13/add-support-for-java-8-date-time-api-to-jackson-serialized-rest-web-services/
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