BUG小王子|String转Date问题 Springboot|fastjson|date|Java

报错信息

未能将‘ java.lang.string’类型的属性值转换为‘ po.endtime’属性所需的类型‘ java.util.date’; 嵌套异常为 org.springwork.core.convert.convert.converversionfailedexception: 未能将[ java.lang.string ]类型转换为[@org ]类型。值“2022-03-30”的 springframework.format.annotation.datetimformat java.util.date; 嵌套异常是 java.lang.illegalargumentexception: 值的解析尝试失败[2022-03-30]

"JSON parse error: Cannot deserialize value of type `java.time.LocalDateTime` from String "2022-02-28T16:12:00.000Z": Failed to deserialize java.time.LocalDateTime: (java.time.format.DateTimeParseException) Text '2022-02-28T16:12:00.000Z' could not be parsed at index 10; nested exception is com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `java.time.LocalDateTime` from String "2022-02-28T16:12:00.000Z": Failed to deserialize java.time.LocalDateTime: (java.time.format.DateTimeParseException) Text '2022-02-28T16:12:00.000Z' could not be parsed at index 10 at [Source: (org.springframework.util.StreamUtils$NonClosingInputStream); line: 1, column: 171] (through reference chain: com.suzui.homework.entity.Homework["hbegindate"])"

加上@DateTimeFormat注解之后依然失败。

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解决办法使用fastjson替换springboot原本的jackson
添加依赖

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编写配置类
【BUG小王子|String转Date问题】配置类中需要注意设置的日期格式

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import com.alibaba.fastjson.serializer.SerializerFeature; import com.alibaba.fastjson.support.config.FastJsonConfig; import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter; import org.springframework.context.annotation.Configuration; import org.springframework.http.MediaType; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; import java.nio.charset.StandardCharsets; import java.util.ArrayList; import java.util.List; @Configuration @EnableWebMvc // 必须要有这个注解，否则报错 public class WebConfig implements WebMvcConfigurer { @Override public void configureMessageConverters(List> converters) { FastJsonHttpMessageConverter fastJsonConverter = new FastJsonHttpMessageConverter(); FastJsonConfig config = new FastJsonConfig(); config.setCharset(StandardCharsets.UTF_8); config.setDateFormat("yyyy-MM-dd HH:mm:ssS"); config.setSerializerFeatures(SerializerFeature.WriteMapNullValue); fastJsonConverter.setFastJsonConfig(config); List list = new ArrayList<>(); list.add(MediaType.APPLICATION_JSON); fastJsonConverter.setSupportedMediaTypes(list); converters.add(fastJsonConverter); } }