Question

想请教一下我写的代码是哪里有问题吗，为什么生不成缓冲区啊，地图可以正常加载，在它的官网示例中写为我的代码后也是地图可以加载，但是缓冲区未生成，未显示。原图是3857，可以加载出来。

<script type="text/javascript">
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var map, point, dsBufferAnalystService, dsBufferAnalystParameters, resultLayer,
        baseUrl = host + "/iserver/services/map-EmergWS/rest/maps/EmergMap",
        serviceUrl = host + "/iserver/services/spatialAnalysis-EmergWS/restjsr/spatialanalyst";
     map = L.map('map', {
          crs: L.CRS.EPSG3857,
          center: {lng: 103.7, lat: 30.61},
          maxZoom: 30,
          minZoom:10,
          zoom: 14,
          zoomControl: false,
          attributionControl: false
    });
    L.supermap.tiledMapLayer(baseUrl, {noWrap: true}).addTo(map);
        bufferAnalystProcess();
    

    function bufferAnalystProcess() {
        
        dsBufferAnalystService = L.supermap.spatialAnalystService(serviceUrl);
        dsBufferAnalystParameters = new SuperMap.DatasetBufferAnalystParameters({
            dataset: "Chemical_Factory_1@EmergDS",
            filterQueryParameter: new SuperMap.FilterParameter({
                attributeFilter: "NameE='铝业化工厂'"
            }),
            bufferSetting: new SuperMap.BufferSetting({
                endType: SuperMap.BufferEndType.ROUND,
                leftDistance: {value: 10},
                semicircleLineSegment: 10
            })
        });
        dsBufferAnalystService.bufferAnalysis(dsBufferAnalystParameters, function (serviceResult) {
            var result = serviceResult.result;
            resultLayer = L.geoJSON(result.recordset.features, {color: "red"}).addTo(map);
        });

    }

Answer 1

你好，请您检查一下你的参数设置是否都是正确的呢？比如你的attributeFilter：字段是NameE吗？，查询控制台是否有错误信息提示呢

Comments

噢，那个问题是我往进粘贴出现了错误，我上次更改了，可能没保存，不好意思，除了那个问题依旧还是不能出来结果

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您可以私信将您的联系方式发我，我这边可以给您远程解决一下