代码占位：
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"> <title>Shapes and Symbols</title> <link rel="stylesheet" href="https://js.arcgis.com/3.20/esri/css/esri.css"> <style> #info { top: 20px; color: #444; height: auto; font-family: arial; right: 20px; margin: 5px; padding: 10px; position: absolute; width: 115px; z-index: 40; border: solid 2px #666; border-radius: 4px; background-color: #fff; } html, body, #mapDiv { padding: 0; margin: 0; height: 100%; } button { display: block; } </style> <script src="https://js.arcgis.com/3.20/"></script> <script> var map, tb; require([ "esri/map", "esri/toolbars/draw", "esri/symbols/SimpleMarkerSymbol", "esri/symbols/SimpleLineSymbol", "esri/symbols/PictureFillSymbol", "esri/symbols/CartographicLineSymbol", "esri/graphic", "esri/Color", "dojo/dom", "dojo/on", "dojo/domReady!" ], function ( Map, Draw, SimpleMarkerSymbol, SimpleLineSymbol, PictureFillSymbol, CartographicLineSymbol, Graphic, Color, dom, on ) { map = new Map("mapDiv", { basemap: "streets", center: [-25.312, 34.307], zoom: 3 }); map.on("load", initToolbar); // markerSymbol is used for point and multipoint, see http://raphaeljs.com/icons/#talkq for more examples var markerSymbol = new SimpleMarkerSymbol(); markerSymbol.setPath("M16,4.938c-7.732,0-14,4.701-14,10.5c0,1.981,0.741,3.833,2.016,5.414L2,25.272l5.613-1.44c2.339,1.316,5.237,2.106,8.387,2.106c7.732,0,14-4.701,14-10.5S23.732,4.938,16,4.938zM16.868,21.375h-1.969v-1.889h1.969V21.375zM16.772,18.094h-1.777l-0.176-8.083h2.113L16.772,18.094z"); markerSymbol.setColor(new Color("#00FFFF")); // lineSymbol used for freehand polyline, polyline and line. var lineSymbol = new CartographicLineSymbol( CartographicLineSymbol.STYLE_SOLID, new Color([255, 0, 0]), 10, CartographicLineSymbol.CAP_ROUND, CartographicLineSymbol.JOIN_MITER, 5 ); // fill symbol used for extent, polygon and freehand polygon, use a picture fill symbol // the images folder contains additional fill images, other options: sand.png, swamp.png or stiple.png var fillSymbol = new PictureFillSymbol( "images/mangrove.png", new SimpleLineSymbol( SimpleLineSymbol.STYLE_SOLID, new Color('#000'), 1 ), 42, 42 ); function initToolbar() { tb = new Draw(map); tb.on("draw-end", addGraphic); // event delegation so a click handler is not // needed for each individual button on(dom.byId("info"), "click", function (evt) { if (evt.target.id === "info") { return; } var tool = evt.target.id.toLowerCase(); map.disableMapNavigation(); tb.activate(tool); }); } function addGraphic(evt) { //deactivate the toolbar and clear existing graphics tb.deactivate(); map.enableMapNavigation(); // figure out which symbol to use var symbol; if (evt.geometry.type === "point" || evt.geometry.type === "multipoint") { symbol = markerSymbol; } else if (evt.geometry.type === "line" || evt.geometry.type === "polyline") { symbol = lineSymbol; } else { symbol = fillSymbol; } map.graphics.add(new Graphic(evt.geometry, symbol)); } }); </script> </head> <body> <div id="info"> <div>Select a shape then draw on map to add graphic</div> <button id="Point">Point</button> <button id="Multipoint">Multipoint</button> <button id="Line">Line</button> <button id="Polyline">Polyline</button> <button id="FreehandPolyline">Freehand Polyline</button> <button id="Triangle">Triangle</button> <button id="Extent">Rectangle</button> <button id="Circle">Circle</button> <button id="Ellipse">Ellipse</button> <button id="Polygon">Polygon</button> <button id="FreehandPolygon">Freehand Polygon</button> </div> <div id="mapDiv"></div> </body> </html>