five application :Labeling features

<!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></title>

    <link rel="stylesheet" href="//js.arcgis.com/3.13/esri/css/esri.css">

    <style>

      html, body, #map {

        height: 100%; width: 100%; margin: 0; padding: 0; 

      }

    </style>



    <script src="//js.arcgis.com/3.13/"></script>

    <script>

      var map;

    

      require([

        "esri/map", 

        "esri/geometry/Extent",

        "esri/layers/FeatureLayer",



        "esri/symbols/SimpleLineSymbol",

        "esri/symbols/SimpleFillSymbol",

        "esri/symbols/TextSymbol",

        "esri/renderers/SimpleRenderer",



        "esri/layers/LabelLayer",



        "esri/Color",

        "dojo/domReady!"

      ], function(

        Map, Extent, FeatureLayer,

        SimpleLineSymbol, SimpleFillSymbol, TextSymbol, SimpleRenderer,

        LabelLayer,

        Color

      ) {

        // load the map centered on the United States

        var bbox = new Extent({"xmin": -1940058, "ymin": -814715, "xmax": 1683105, "ymax": 1446096, "spatialReference": {"wkid": 102003}});

        map = new Map("map", {

          extent: bbox

        });



        var labelField = "STATE_NAME";



        // create a renderer for the states layer to override default symbology

        var statesColor = new Color("#f00");

        var statesLine = new SimpleLineSymbol("solid", statesColor, 1);

        var statesSymbol = new SimpleFillSymbol("solid", statesLine, null);

        var statesRenderer = new SimpleRenderer(statesSymbol);

        // create a feature layer to show country boundaries

        var statesUrl = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/3";

        var states = new FeatureLayer(statesUrl, {

          id: "states",

          outFields: [labelField]

        });

        states.setRenderer(statesRenderer);

        map.addLayer(states);



        // create a text symbol to define the style of labels

        var statesLabel = new TextSymbol().setColor(new Color("#00f"));

        statesLabel.font.setSize("12pt");

        statesLabel.font.setFamily("arial");

        var statesLabelRenderer = new SimpleRenderer(statesLabel);

        var labels = new LabelLayer({ id: "lab" });

        // tell the label layer to label the countries feature layer 

        // using the field named "admin"

        labels.addFeatureLayer(states, statesLabelRenderer, "{" + labelField + "}");

        // add the label layer to the map

        map.addLayer(labels);

      });

    </script>

  </head>

  <body>

    <div id="map"></div>

  </body>

</html>

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five application :Labeling features

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