springmvc：405 request method post not supported

$.ajax({
     type: "POST",
     url: "../userKvtableAll/bindOpt",
     data: "id="+id,
     dataType:'JSON', //不加dataType 可能 405 Method Not Allowed这里返回的类型有：json,html,xml,text
     success: function(msg){
     jQuery('#grid-table').trigger("reloadGrid");
     }
}); 

<bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
    <property name="urlMap">
        <map>
            <entry key="/请求的文件路径/**" value="myResourceHandler" />
        </map>
    </property>
    <property name="order" value="100000" />
</bean>
<bean id="myResourceHandler" name="myResourceHandler"
      class="org.springframework.web.servlet.resource.ResourceHttpRequestHandler">
    <property name="locations" value="/请求的文件路径/" />
    <property name="supportedmethods">
        <list>
            <value>get</value>
            <value>head</value>
            <value>post</value>
        </list>
    </property>
</bean>