alt per 不能 convert ping ota pan art
Springmvc 需要如下配置:
1. 开启注解
- <!-- 开启注解-->
- <mvc:annotation-driven />
2. 加入相关 bean
- class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
- class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
- application/json;charset=UTF-8
3.maven 加入 jackson 依赖
- <dependency>
- <groupId>
- com.fasterxml.jackson.core
- </groupId>
- <artifactId>
- jackson-core
- </artifactId>
- <version>
- 2.5.2
- </version>
- </dependency>
- <dependency>
- <groupId>
- com.fasterxml.jackson.core
- </groupId>
- <artifactId>
- jackson-databind
- </artifactId>
- <version>
- 2.5.2
- </version>
- </dependency>
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必须是个类啊啊啊啊,不能用 HttpServletRequest 了,它不是个 json
springmvc 接口接收 json 类型参数设置
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