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Spring MVC Get请求 解决中文乱码问题

Spring MVC Get请求 解决中文乱码问题

作者: Arison | 来源:发表于2018-06-29 12:51 被阅读113次

    关键知识点:StringHttpMessageConverter

    代码结构:

    image.png

    问题描述:

    @ResponseBody 输入到浏览器页面的时候,出现乱码!
    控制器里面输入的字符是中文

    web.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
        version="4.0">
    
        <filter>
            <filter-name>encodingFilter</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
            <init-param>
                <param-name>encoding</param-name>
                <param-value>UTF-8</param-value>
            </init-param>
            <init-param>
                <param-name>forceEncoding</param-name>
                <param-value>true</param-value>
            </init-param>
        </filter>
    
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/applicationContext.xml</param-value>
        </context-param>
    
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
    
        <servlet>
            <servlet-name>dispatcher</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
            <init-param>
                <param-name>contextConfigLocation</param-name>
                <param-value>/WEB-INF/dispatcher-servlet.xml</param-value>
            </init-param>
            <load-on-startup>1</load-on-startup>
        </servlet>
    
        <servlet-mapping>
            <servlet-name>dispatcher</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>
    </web-app>
    

    dispatcher-servlet.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <beans:beans
        xmlns= "http://www.springframework.org/schema/mvc"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:beans="http://www.springframework.org/schema/beans"
        xmlns:context="http://www.springframework.org/schema/context"
        xsi:schemaLocation="
            http://www.springframework.org/schema/mvc
            http://www.springframework.org/schema/mvc/spring-mvc.xsd
            http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context.xsd">
        
        <context:component-scan base-package="com.gxut.spring" />
        
        <mvc:annotation-driven>  
            <mvc:message-converters>  
                <beans:bean class="org.springframework.http.converter.StringHttpMessageConverter">  
                    <beans:property name="supportedMediaTypes">  
                        <beans:list>  
                            <beans:value>text/plain;charset=UTF-8</beans:value>  
                            <beans:value>text/html;charset=UTF-8</beans:value>  
                            <beans:value>application/json;charset=UTF-8</beans:value>  
                        </beans:list>  
                    </beans:property>
                </beans:bean>
            </mvc:message-converters>  
        </mvc:annotation-driven>
    
    </beans:beans>
    
    
    @Controller
    @RequestMapping("/api")
    public class TestController {
    
        @RequestMapping(value="/test", method=RequestMethod.GET,
                produces="application/json; charset=utf-8")
        public  @ResponseBody String test(@RequestParam(name = "text", defaultValue = "你好") String test) {
            System.out.println("test=" + test);
            return test;
        }
    

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