///圖斑定位
function TabQuery(instance_id, layer_name) {
require(["esri/map", "esri/geometry/Extent", "esri/SpatitalReference", "esri/graphic", "esri/tasks/QueryTask", "esri/tasks/query", 'esri/symbols/SimpleLineSymbol', 'esri/Color'], function(map, Extent, SpatitalReference, Graphic, QueryTask, Query, SimpleLineSymbol, Color) {
var url = "../MapServer/0"; //發布的服務url
var QueryTask = new QueryTask(url);//查詢任務
var query = new Query();//查詢條件
query.where = " instance_id=" + instance_id;
query.outSpatialReference = map.extent.spatitalReference;
query.returnGeometry = true;
QueryTask.execute(query, showClickSearchResult);//執行查詢返回要進行高亮顯示的graphics
function showClickSearchResult(result) {
map.graphics.clear();
var graphic = result.features[0];
var searchsymbol = new SimpleLineSymbol(SimpleLineSymbol.STYLE.SOLID, new Color([0, 255, 255]), 3)//高亮樣式
graphic.setSymbol(searchsymbol);
map.graphics.add(graphic);//添加到地圖中去圖形
var returnGeometry = graphic.geometry;
var returnExtent = returnGeometry.getExtent();
returnExtent = returnExtent.expend(2);
map.setExtent(returnExtent);//設置到范圍
// body...
}
// body...
})
// body...
}