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springmvc处理json数据

2016-09-21 09:51 316 查看
springmvc处理json数据

需要引入的包文件:

jackson-annotations-2.3.0-rc2.jar

jackson-core-2.3.0-rc2.jar

jackson-databind-2.2.4.jar

配置mvc文件:

<!-- 配置json转换器--> 

<bean id="stringConverter"
class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/plain;chartset=UTF-8</value>
</list>
</property>
</bean>
<bean id="jsonConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"></bean>
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="stringConverter"/>
<ref bean="jsonConverter"/>
</list>
</property>
</bean>

<!-- 扫描注解 -->
<context:component-scan base-package="com.yvan.springmvc.Contrroller"/>

编写controller类:

@Controller

public class JsonController {
@RequestMapping("/json")
@ResponseBody//返回主体
private List<User> returnJson() {//直接返回json
List<User> list=new ArrayList<User>();
list.add(new User(1, "json", "男"));
list.add(new User(2, "john", "男"));
list.add(new User(3, "lisa", "女"));
return list;
}

}
编写user类

public class User {
private int id;
private String name;
private String sex;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public User(int id, String name, String sex) {
super();
this.id = id;
this.name = name;
this.sex = sex;
}

}
前端文件省略
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标签:  spring mvc mvc json