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我正在做一个关于 Spring 和 YUI 数据表的项目。

我正在使用控制器返回 JSON 字符串，并且在视图中将使用 JSON 字符串作为数据源来生成数据表。但不知何故，数据表显示“数据错误”。

这是我的控制器的代码：

@RequestMapping(value = "/report") public ModelAndView getViolationReport(Long violation_num){

        ComplLog origViolation = null;
        //HashMap<Long, BRMap> logdetailsmap = new HashMap<Long, BRMap>();

        Map<String,String> map = new HashMap<String, String>();

        map.put("col1", "value1");
        map.put("col2", "value2");
        map.put("col3", "value3");
        map.put("col4", "value4");
        map.put("col5", "value5");

        List<Map<String,String>> list = new ArrayList<Map<String,String>>();
        list.add(map);

        ModelAndView mav = new ModelAndView();

        mav.addObject("detailList", list);
        mav.setViewName("GetViolationReport");      //return the model to the GetViolationReport.jsp          
        return mav;
}

这是我的 index.jsp 文件：

<% response.sendRedirect("/app/ViolationReportService.app"); %>

这是我的观点，GetViolationReport.jsp：

<body class="yui-skin-sam" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
<div id="scroller" class="scrollPane">
    <c:out value = "${detailList}" />    
</div>
<div id="basic"></div> 
</body>
<script type="text/javascript">
YAHOO.util.Event.addListener(window, "load", function() {
YAHOO.example.Basic = function() {
    var myColumnDefs = [
        {key:"col1", sortable:true, resizeable:true},
        {key:"col2", sortable:true, resizeable:true},
        {key:"col3", sortable:true, resizeable:true},
        {key:"col4", sortable:true, resizeable:true},
        {key:"col5", sortable:true, resizeable:true}

    ];
 var myDataSource = new YAHOO.util.XHRDataSource("app/violationreport/report");
    myDataSource.responseType = YAHOO.util.XHRDataSource.TYPE_JSON;
    myDataSource.responseSchema = {
        metaFields : {
            totalRecords : "detailmap.totalRecordsFound",
            recordsReturned : "detailmap.totalRecordsFound",
            invocationStatus : "invocationStatus",
            startIndex : 0,
            executionStatusMessage : "executionStatusMessage"
        },
        resultsList : "detailList",
        fields : [ "col1","col2","col3","col4","col5" ] 
    }
var myDataTable = new YAHOO.widget.DataTable("basic",
            myColumnDefs, myDataSource, {initialLoad: true, caption:"DataTable Caption"});

    return {
        oDS: myDataSource,
        oDT: myDataTable
    };
 }();
});
</script>

而actoolkit-config.xml 是这样的：

<bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
    <property name="favorParameter" value="true" /> 
    <property name="mediaTypes">
        <map>
            <entry key="json" value="application/json" /> 
            <entry key="html" value="text/html" /> 
            <entry key="plain" value="text/plain" /> 
            <entry key="octet" value="application/octet-stream" /> 
        </map>
    </property>
    <property name="viewResolvers">
        <list>
            <!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
            <bean class="org.springframework.web.servlet.view.UrlBasedViewResolver">
                <property name="viewClass"
                    value="org.springframework.web.servlet.view.JstlView" />
                <property name="prefix" value="/WEB-INF/jsp/" />
                <property name="suffix" value=".jsp" />
            </bean>
        </list>
    </property>

    <property name="defaultViews">
        <list>
            <bean class="org.springframework.web.servlet.view.json.MappingJacksonJsonView" />                   
        </list>
    </property>
    <property name="defaultContentType" value="application/json" /> 
</bean>

控制台中没有错误，但是当我转到应该生成数据表的 url 时，它显示了一个包含我定义的列的数据表，但内容显示“数据错误”。

有人可以帮我吗？

4

1 回答 1

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数据实际上是什么样的？浏览器接收到的是什么？我不理解您的非 JavaScript 代码，即使我理解了，有时也会发生代码中存在一些错误并且服务器抛出客户端无法解析的错误消息。所以，在浏览器中打开调试器，看看浏览器实际得到了什么。

于 2013-07-09T05:44:51.453 回答