SpringMVC添加对象转换成json 怼烎@ 2022-05-21 05:42 155阅读 0赞 **0,问题** ![70][] **1,分析** SpringMVC默认没有将对象转换成json数据格式的,需要添加jackson。 **2,解决** 2.1,pom.xml中添加依赖 <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> 2.2,springmvc-servlet.xml中配置 <!-- 1.启动注解扫描--> <mvc:annotation-driven> <!-- @ResponseBody 数据集合的转换--> <mvc:message-converters> <bean class="org.springframework.http.converter.StringHttpMessageConverter"/> <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/> </mvc:message-converters> </mvc:annotation-driven> 2.3结果 ![70 1][] [70]: /images/20220521/c32b89833a874581ae39cc5bcb4fbcad.png [70 1]: /images/20220521/ca55dd8e8b6a4ffc86aa4e2fecf3ec8a.png
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