query_getFeatureBySQL.html 4.3 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_getFeatureBySQL"></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_getFeatureBySQL"></h5></div>
  36. <div class='panel-body content'>
  37. <input type="button" class="btn btn-default" data-i18n="[value]resources.text_query" onclick="getFeaturesBySQL()"/>&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 host = window.isLocal ? window.server : "https://iserver.supermap.io";
  46. var map, local, layer, vectorLayer,
  47. style = {
  48. strokeColor: "#304DBE",
  49. strokeWidth: 1,
  50. fillColor: "#304DBE",
  51. fillOpacity: "0.8"
  52. },
  53. url1 = host + "/iserver/services/map-world/rest/maps/World",
  54. url2 = host + "/iserver/services/data-world/rest/data";
  55. init();
  56. function init() {
  57. map = new SuperMap.Map("map", {
  58. controls: [
  59. new SuperMap.Control.ScaleLine(),
  60. new SuperMap.Control.Zoom(),
  61. new SuperMap.Control.Navigation({
  62. dragPanOptions: {
  63. enableKinetic: true
  64. }
  65. })]
  66. });
  67. map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
  68. layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url1, {
  69. transparent: true,
  70. cacheEnabled: true
  71. }, {maxResolution: "auto"});
  72. layer.events.on({"layerInitialized": addLayer});
  73. vectorLayer = new SuperMap.Layer.Vector("Vector Layer");
  74. }
  75. function addLayer() {
  76. map.addLayers([layer, vectorLayer]);
  77. map.setCenter(new SuperMap.LonLat(0, 0), 0);
  78. }
  79. function getFeaturesBySQL() {
  80. vectorLayer.removeAllFeatures();
  81. var getFeatureParam, getFeatureBySQLService, getFeatureBySQLParams;
  82. getFeatureParam = new SuperMap.REST.FilterParameter({
  83. name: "Countries@World",
  84. attributeFilter: "SMID = 247"
  85. });
  86. getFeatureBySQLParams = new SuperMap.REST.GetFeaturesBySQLParameters({
  87. queryParameter: getFeatureParam,
  88. datasetNames: ["World:Countries"]
  89. });
  90. getFeatureBySQLService = new SuperMap.REST.GetFeaturesBySQLService(url2, {
  91. eventListeners: {"processCompleted": processCompleted, "processFailed": processFailed}
  92. });
  93. getFeatureBySQLService.processAsync(getFeatureBySQLParams);
  94. }
  95. function processCompleted(getFeaturesEventArgs) {
  96. var i, len, features, feature, result = getFeaturesEventArgs.result;
  97. if (result && result.features) {
  98. features = result.features
  99. for (i = 0, len = features.length; i < len; i++) {
  100. feature = features[i];
  101. feature.style = style;
  102. vectorLayer.addFeatures(feature);
  103. }
  104. }
  105. }
  106. function processFailed(e) {
  107. widgets.alert.showAlert(e.error.errorMsg, false);
  108. }
  109. function clearFeatures() {
  110. //先清除上次的显示结果
  111. vectorLayer.removeAllFeatures();
  112. vectorLayer.refresh();
  113. }
  114. </script>
  115. </body>
  116. </html>