错误信息：org.springframework.http.converter.HttpMessageNotReadableException:JSONparseerror:Cannotdeserializevalueoftypejava.lang.IntegerfromObjectvalue(tokenJsonToken.START_OBJECT);nestedexceptioniscom.fasterxml.jackson.databind.exc.MismatchedInputException:Cannotdeserializevalueoftypejava.lang.Integerf...

文档指引  https://baomidou.com/ I.环境 本文使用JDK8SpringBoot版本为 2.2.5.RELEASE，mybatis-plus版本为 3.2.1，数据库为mysql8+ 2.依赖 <dependency>   <groupId>mysql</groupId>   <artifactId>mysql-connector-java</artifactId>   <version>5.1.47&...