Spring MVC的自動(dòng)轉(zhuǎn)換功能 HttpMessageConverter

老鼠愛(ài)上美貓 2012-08-09

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Spring MVC的自動(dòng)轉(zhuǎn)換功能 HttpMessageConverter

默認(rèn)起用的MVC注解功能

<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">

StringHttpMessageConverter： that can read and write Strings from the HTTP request and response.

FormHttpMessageConverter：that can read and write form data from the HTTP request and response.

ByteArrayMessageConverter：that can read and write byte arrays from the HTTP request and response.

MarshallingHttpMessageConverter：XML的轉(zhuǎn)換需要使用Spring的 `Marshaller` 和 `Unmarshaller.`

MappingJacksonHttpMessageConverter：JSON的轉(zhuǎn)換.

SourceHttpMessageConverter：能夠讀/寫(xiě)來(lái)自HTTP的請(qǐng)求與響應(yīng)的javax.xml.transform.Source `,支持DOMSource`, `SAXSource`, 和 `StreamSource` 的XML格式

BufferedImageHttpMessageConverter：that can read and write `java.awt.image.BufferedImage` from the HTTP request and response

起用JSON轉(zhuǎn)換功能

xml

1     
2     <bean
3         class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
4         <property name="messageConverters">
5             <util:list id="beanList">
6                 <ref bean="stringHttpMessageConverter" />
7                 <ref bean="jsonHttpMessageConverter" />
8                 <ref bean="marshallingHttpMessageConverter" />
9             </util:list>
10         </property>
11     </bean>
12
13     <bean id="stringHttpMessageConverter"
14         class="org.springframework.http.converter.StringHttpMessageConverter" />
15     <bean id="jsonHttpMessageConverter"
16         class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
17     <bean id="marshallingHttpMessageConverter"
18         class="org.springframework.http.converter.xml.MarshallingHttpMessageConverter">
19         <property name="marshaller" ref="castorMarshaller" />
20         <property name="unmarshaller" ref="castorMarshaller" />
21     </bean>
22
23     <bean id="castorMarshaller" class="org.springframework.oxm.castor.CastorMarshaller" />
24

MappingJacksonHttpMessageConverter能夠?qū)OJO對(duì)象自動(dòng)轉(zhuǎn)換為JSON對(duì)象

   @RequestMapping(value = "/getPojoJson" , method=RequestMethod.GET)
    public @ResponseBody Pojo getPojoJson() {
      Pojo pojo=new Pojo();
      pojo.setA("test");
      pojo.setB(1);
      pojo.setD(new Date());
      return pojo;
    }

需要依賴(lài)JSON對(duì)象的處理JAR包
jackson-core-lgpl.jar
jackson-mapper-lgpl.jar
下載地址:
http://jackson./

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Spring MVC的自動(dòng)轉(zhuǎn)換功能 HttpMessageConverter

StringHttpMessageConverter： that can read and write Strings from the HTTP request and response.

FormHttpMessageConverter：that can read and write form data from the HTTP request and response.

MarshallingHttpMessageConverter：XML的轉(zhuǎn)換需要使用Spring的 Marshaller 和 Unmarshaller.

MappingJacksonHttpMessageConverter：JSON的轉(zhuǎn)換.

SourceHttpMessageConverter：能夠讀/寫(xiě)來(lái)自HTTP的請(qǐng)求與響應(yīng)的javax.xml.transform.Source ,支持DOMSource, SAXSource, 和 StreamSource 的XML格式

BufferedImageHttpMessageConverter：that can read and write java.awt.image.BufferedImage from the HTTP request and response

BufferedImageHttpMessageConverter：that can read and write java.awt.image.BufferedImage from the HTTP request and response

MarshallingHttpMessageConverter：XML的轉(zhuǎn)換需要使用Spring的 `Marshaller` 和 `Unmarshaller.`

SourceHttpMessageConverter：能夠讀/寫(xiě)來(lái)自HTTP的請(qǐng)求與響應(yīng)的javax.xml.transform.Source `,支持DOMSource`, `SAXSource`, 和 `StreamSource` 的XML格式

BufferedImageHttpMessageConverter：that can read and write `java.awt.image.BufferedImage` from the HTTP request and response

BufferedImageHttpMessageConverter：that can read and write `java.awt.image.BufferedImage` from the HTTP request and response