query_queryByDistance.html 4.7 KB

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  1. <!--********************************************************************
  2. * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
  3. *********************************************************************-->
  4. <!DOCTYPE html>
  5. <html>
  6. <head>
  7. <meta charset="utf-8">
  8. <title data-i18n="resources.title_queryByDistance"></title>
  9. <style type="text/css">
  10. body {
  11. margin: 0;
  12. overflow: hidden;
  13. background: #fff;
  14. width: 100%;
  15. height: 100%
  16. }
  17. #map {
  18. position: absolute;
  19. width: 100%;
  20. height: 100%;
  21. }
  22. #toolbar {
  23. position: absolute;
  24. top: 50px;
  25. right: 10px;
  26. text-align: center;
  27. z-index: 100;
  28. border-radius: 4px;
  29. }
  30. </style>
  31. </head>
  32. <body>
  33. <div id="toolbar" class="panel panel-primary">
  34. <div class='panel-heading'>
  35. <h5 class='panel-title text-center' data-i18n="resources.title_queryByDistance"></h5></div>
  36. <div class='panel-body content'>
  37. <input type="button" class="btn btn-default" data-i18n="[value]resources.text_query" onclick="queryByDistance()"/>&nbsp;
  38. <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_clear" onclick="clearFeatures()"/>
  39. </div>
  40. </div>
  41. <div id="map"></div>
  42. <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
  43. <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
  44. <script>
  45. var local, map, layer, markerLayer1, markerLayer2,
  46. centerPoint = new SuperMap.Geometry.Point(121, 31),//构造一个点的几何图形
  47. host = window.isLocal ? window.server : "https://iserver.supermap.io",
  48. url = host + "/iserver/services/map-world/rest/maps/World";
  49. init();
  50. function init() {
  51. map = new SuperMap.Map("map", {
  52. controls: [
  53. new SuperMap.Control.ScaleLine(),
  54. new SuperMap.Control.Zoom(),
  55. new SuperMap.Control.Navigation({
  56. dragPanOptions: {
  57. enableKinetic: true
  58. }
  59. })]
  60. });
  61. map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
  62. layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, {
  63. transparent: true,
  64. cacheEnabled: true
  65. }, {maxResolution: "auto"});
  66. layer.events.on({"layerInitialized": addLayer});
  67. markerLayer1 = new SuperMap.Layer.Markers("Markers");
  68. markerLayer2 = new SuperMap.Layer.Markers("Markers");
  69. //在地图上具体位置上画一个图形
  70. var point = centerPoint,
  71. size = new SuperMap.Size(44, 40),
  72. offset = new SuperMap.Pixel(-(size.w / 2), -size.h),
  73. icon = new SuperMap.Icon("./images/marker-gold.png", size, offset);
  74. markerLayer1.addMarker(new SuperMap.Marker(new SuperMap.LonLat(point.x, point.y), icon));
  75. }
  76. function addLayer() {
  77. map.addLayers([layer, markerLayer1, markerLayer2]);
  78. map.setCenter(new SuperMap.LonLat(106.3, 35), 2);
  79. }
  80. function queryByDistance() {
  81. markerLayer2.clearMarkers();
  82. var queryByDistanceParams = new SuperMap.REST.QueryByDistanceParameters({
  83. queryParams: new Array(new SuperMap.REST.FilterParameter({name: "Capitals@World.1"})),
  84. returnContent: true,
  85. distance: 30,
  86. geometry: centerPoint
  87. });
  88. var queryByDistanceService = new SuperMap.REST.QueryByDistanceService(url);
  89. queryByDistanceService.events.on({
  90. "processCompleted": processCompleted,
  91. "processFailed": processFailed
  92. });
  93. queryByDistanceService.processAsync(queryByDistanceParams);
  94. }
  95. function processCompleted(queryEventArgs) {
  96. var i, j, result = queryEventArgs.result;
  97. for (i = 0; i < result.recordsets.length; i++) {
  98. for (j = 0; j < result.recordsets[i].features.length; j++) {
  99. var point = result.recordsets[i].features[j].geometry,
  100. size = new SuperMap.Size(44, 33),
  101. offset = new SuperMap.Pixel(-(size.w / 2), -size.h),
  102. icon = new SuperMap.Icon("./images/marker.png", size, offset);
  103. markerLayer2.addMarker(new SuperMap.Marker(new SuperMap.LonLat(point.x, point.y), icon));
  104. }
  105. }
  106. }
  107. function processFailed(e) {
  108. widgets.alert.showAlert(e.error.errorMsg, false);
  109. }
  110. function clearFeatures() {
  111. //清除上次的显示结果
  112. markerLayer2.clearMarkers();
  113. }
  114. </script>
  115. </body>
  116. </html>