将json数据从jsp页面传递到ajax

时间:2016-11-21 11:43:54

标签: java jquery ajax jsp jquery-select2

所以我试图使用Select2插件和AJAX进行自动完成,从jsp文件发送和接收(Json)数据。所以我的问题是,当调用AJAX并将数据发送到jsp文件时,我检查了jsp文件是否完美运行我收到此消息 无法加载结果。 alt

这是AJAX的jquery代码

    $("#id").select2(        {
    placeholder: 'Select an item',
    ajax: {
      url: 'autocomplete.jsp?type=dbpedia_resources',
      dataType: 'json',
      delay: 250,
      processResults: function (data) {
        return {
          results: data
        };
      },
      cache: true
    }
  });

之前我使用的是同样的结果

$("#entities").select2(        {
    minimumInputLength: 2,
    tags: [],
    ajax: {
        url: "autocomplete.jsp?type=dbpedia_resources",
        dataType: 'json',
        type: "GET",
        delay: 250,
        data: function (term) {
            return {
                q: term
            };
        },
        results: function (data) {

            return {
                results: $.map(data, function (item) {
                    return {
                        text: item.text,
                        //slug: item.slug,
                        id: item.id
                    }
                })
            };
        }
    }
});

jsp / java代码就是这个

    <%@page import="java.util.Map"%>
    <%@page contentType="application/json" pageEncoding="UTF-8"%>
    <%@page import="com.aylien.newsapi.*"%>
    <%@page import="com.aylien.newsapi.auth.*"%>
    <%@page import="com.aylien.newsapi.models.*"%>
    <%@page import="com.aylien.newsapi.parameters.*"%>\
    <%@page import="org.json.*"%>
    <%@page import="com.aylien.newsapi.api.DefaultApi"%>

    <%

    String type =  request.getParameter("type");
    ApiClient defaultClient = Configuration.getDefaultApiClient();

    // Configure API key authorization: app_id
    ApiKeyAuth app_id = (ApiKeyAuth) defaultClient.getAuthentication("app_id");
    app_id.setApiKey("");

    // Configure API key authorization: app_key
    ApiKeyAuth app_key = (ApiKeyAuth) defaultClient.getAuthentication("app_key");
    app_key.setApiKey("");

    DefaultApi apiInstance = new DefaultApi();

    //String type = "dbpedia_resources";
    String term = request.getParameter("q");
    String language = "en";
    Integer perPage = 10;

    AutocompletesParams.Builder autocompletesBuilder = AutocompletesParams.newBuilder();

    autocompletesBuilder.setType(type);
    autocompletesBuilder.setTerm(term);
    autocompletesBuilder.setLanguage(language);
    autocompletesBuilder.setPerPage(perPage);

    try {
        Autocompletes result = apiInstance.listAutocompletes(autocompletesBuilder.build());
        JSONObject jsonObject = new JSONObject(result);

        out.println(jsonObject.toString());
        System.out.println(result.getAutocompletes());



    } catch (ApiException e) {
        System.err.println("Exception when calling DefaultApi#listAutocompletes");
        e.printStackTrace();
    }
    %>

我做错了什么?

提前谢谢。

0 个答案:

没有答案
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