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  • Ajax请求SpringMVC

    @RequestMapping(value = "/loadMenu", method = RequestMethod.GET)
        @ResponseBody
        public  ArrayList<TreeNode>  loadMenu(@RequestParam(value = "node") String nodeId) throws Exception {
            ArrayList<TreeNode> nodes = new ArrayList<TreeNode>(); 
            if (TreeNode.ROOT.equals(nodeId)) {
                 TreeNode node = new TreeNode();
                 node.setObjectId("12345");
                 node.setText("root");
                 node.setLeaf(false);
                 nodes.add(node);
             } else {
                 TreeNode node = new TreeNode();
                 node.setObjectId("23456");
                 node.setText("1");
                 node.setLeaf(true);
                 nodes.add(node);
             }
            return nodes;
        }
    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
        
        <context:annotation-config />
        <context:component-scan base-package="com" />
        
        <bean id="json"
            class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
        <bean
            class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
            <property name="messageConverters">
                <list>
                    <ref bean="json" />
                </list>
            </property>
        </bean>
    
    </beans>

    jar : jackson-core-asl-1.9.13.jar ; jackson-mapper-asl-1.9.13.jar  1.9.0 包太旧会报找不到class的错

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  • 原文地址:https://www.cnblogs.com/ahjx1628/p/4174559.html
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