背景
需要一套干净的Spring+Spring MVC+Mybatis框架，框架写到返回Json的环节报错了。
问题
无法Json，报406
解决
需要配置Json工具包，这里用Jackson
Maven Jackson
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
<
dependency
>
<
groupId
>com.fasterxml.jackson.core</
groupId
>
<
artifactId
>jackson-core</
artifactId
>
<
version
>2.6.0</
version
>
</
dependency
>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
<
dependency
>
<
groupId
>com.fasterxml.jackson.core</
groupId
>
<
artifactId
>jackson-annotations</
artifactId
>
<
version
>2.6.0</
version
>
</
dependency
>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
<
dependency
>
<
groupId
>com.fasterxml.jackson.core</
groupId
>
<
artifactId
>jackson-databind</
artifactId
>
<
version
>2.6.0</
version
>
</
dependency
>
|
工程环境SpringMvc 4.x，不兼容Jackson2.9最新版。这里特应用2.6版本
Spring Mvc配置
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
<!--Begin:使用Jackson 2.x的配置，需要导入的jar包：jackson-core-xxx.jar、jackson-annotations-xxx.jar、jackson-databind-xxx.jar-->
<!--通过处理器映射DefaultAnnotationHandlerMapping来开启支持@Controller注解-->
<
bean
class
=
"org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"
/>
<!--通过处理器适配器AnnotationMethodHandlerAdapter来开启支持@RequestMapping注解-->
<
bean
class
=
"org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"
>
<
property
name
=
"messageConverters"
>
<
list
>
<!-- 设置返回字符串编码 -->
<
bean
class
=
"org.springframework.http.converter.StringHttpMessageConverter"
>
<
property
name = "supportedMediaTypes">
<
list
>
<
value
>text/html;charset=UTF-8</
value
>
<
value
>application/json;charset=UTF-8</
value
>
</
list
>
</
property
>
</
bean
>
<!-- json转换器 -->
<
bean
class
=
"org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"
>
<
property
name
=
"supportedMediaTypes"
>
<
list
>
<
value
>text/html;charset=UTF-8</
value
>
<
value
>application/json;charset=UTF-8</
value
>
</
list
>
</
property
>
</
bean
>
</
list
>
</
property
>
</
bean
>
<!--End:使用Jackson 2.x的配置，需要导入的jar包：jackson-core-xxx.jar、jackson-annotations-xxx.jar、jackson-databind-xxx.jar-->
|
好了，重启不报错（一般就是jar宝冲突），就可以正常接收到@ResponseBody返回的Json了。
以上配置，带来好运，祝好 ！
by.沫沫金
我得纯净框架，新模块只需要一个Controller就可以，CRUD一句话全搞定。前台专注Form就行。
本文转自 沫沫金 51CTO博客，原文链接：http://blog.51cto.com/zl0828/1954239，如需转载请自行联系原作者
