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SpringMvc_@RequestMapping设置Router Url大小写不敏感

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08/07
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http://stackoverflow.com/questions/4150039/how-can-i-have-case-insensitive-urls-in-spring-mvc-with-annotated-mappings

 
以下四个Url可以指向同一个Controller方法

http://localhost:8080/login/userLOgin
http://localhost:8080/LogiN/userLOgin
http://localhost:8080/login/userlogin
http://localhost:8080/Login/UserLogin

一、解决方案One(下面的applicationContext.xml配置有些可以简化）
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public class CaseInsenseticePathMatcher extends AntPathMatcher {
    @Override
    protected boolean doMatch(String pattern, String path, boolean fullMatch, Map<String, String> uriTemplateVariables) {
        System.err.println(pattern + " -- " + path);
        return super.doMatch(pattern.toLowerCase(), path.toLowerCase(), fullMatch, uriTemplateVariables);
    }
}

applicationContext.xml:

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<bean id="matcher" class="test.CaseInsenseticePathMatcher"/>
 
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
    <property name="pathMatcher" ref="matcher"/>
</bean>
 
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
    <property name="pathMatcher" ref="matcher"/>
    <property name="webBindingInitializer">
        <bean class="org.springframework.web.bind.support.ConfigurableWebBindingInitializer"/>
    </property>
    <property name="messageConverters">
        <list>
            <bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>
            <bean class="org.springframework.http.converter.StringHttpMessageConverter"/>
            <bean class="org.springframework.http.converter.FormHttpMessageConverter"/>
            <bean class="org.springframework.http.converter.xml.SourceHttpMessageConverter"/>
        </list>
    </property>
</bean>
 
<bean id="conversion-service" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"/>

简化后的applicationContext.xml: 必须配置HandlerMapping、HandlerAdapter（即Controller和Action）

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<bean id="matcher" class="com.le.lej.common.CaseInsenseticePathMatcher" />
 
    <bean
        class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
        <property name="pathMatcher" ref="matcher" />
    </bean>
 
    <bean
        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="pathMatcher" ref="matcher" />
    </bean>

二、解决方案Two(需要Spring4.2以上支持）

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@Configuration
public class WebConfig extends WebMvcConfigurerAdapter {
    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {
        AntPathMatcher matcher = new AntPathMatcher();
        matcher.setCaseSensitive(false);
        configurer.setPathMatcher(matcher);
    }
}