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ArcGIS for JavaScript API 3.x自定义

ArcGIS for JavaScript API 3.x自定义

作者: gisxiaowei | 来源:发表于2018-12-13 17:18 被阅读0次

1、环境安装

(1) Node.js(包含npm,node包管理器)
(2) git
(3) Java 7或更高版本 - Closure Compiler所需 (用于Dojo构建,英文为Dojo build)
环境安装参考React+Cordova+Android环境配置中的1、nvm-windows安装;5、Android需求环境

2、克隆jsapi-resources

cd /d D:\mapp
git clone https://github.com/Esri/jsapi-resources.git

3、安装bower

npm install -g bower

4、安装依赖的包

进入jsapi-resources\3.x\bower\dojo文件夹,执行安装依赖包,安装过程视网络情况需要一定的时间,下载文件失败请重试(可能需要科学上网)

cd /d D:\mapp\jsapi-resources\3.x\bower\dojo
npm install

执行成功后,会在dojo文件夹下多出node_modules文件夹,在dojo/src下多出dojodojoxesri等文件夹,如下图所示

dojo/node_modules文件夹
dojo/src文件夹

5、修改相应文件

(1)dojo/build.profile.js中的layers
layers的每一个属性表示一个独立的js文件,可将多个js文件合成一个文件输出,如下面的app/main会输出为app/main.js,该文件中包含app/maindojox/gfx/pathdojox/gfx/svg等多个文件的代码。

  layers: {
    // This is the main loader module. It is a little special because it is treated like an AMD module even though
    // it is actually just plain JavaScript. There is some extra magic in the build system specifically for this
    // module ID.
    "dojo/dojo": {
      // By default, the build system will try to include `dojo/main` in the built `dojo/dojo` layer, which adds
      // a bunch of stuff we do not want or need. We want the initial script load to be as small and quick to
      // load as possible, so we configure it as a custom, bootable base.
      boot: true,
      customBase: true
    },
    'app/main': {
      include: [
        "app/main",
        "dojox/gfx/path",
        "dojox/gfx/svg",
        "dojox/gfx/filters",
        "dojox/gfx/svgext",
        "dojox/gfx/shape",
        "esri/dijit/Attribution"
      ],
      includeLocales: ["zh-cn"]
    },
    "esri/layers/VectorTileLayerImpl": {
      include: [
        "esri/layers/VectorTileLayerImpl"
      ],
      includeLocales: ["zh-cn"]
    },
    "esri/layers/support/webglDeps": {
      include: [
        "esri/layers/support/webglDeps"
      ],
      includeLocales: ["zh-cn"]
    }
  },

(2)dojo/src/built.html

<!DOCTYPE html>
<html>

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <!-- <meta http-equiv="Content-Security-Policy" content="default-src 'self' data: gap: https://ssl.gstatic.com 'unsafe-eval'; style-src 'self' 'unsafe-inline'; media-src *; img-src 'self' data: content:;"> -->
    <meta name="format-detection" content="telephone=no">
    <meta name="msapplication-tap-highlight" content="no">
    <meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width">
    <title></title>
    <link rel="stylesheet" href="dijit/themes/claro/claro.css">
    <link rel="stylesheet" href="esri/css/esri.css">

    <style>
        html,
        body,
        #map {
            height: 100%;
            padding: 0;
            margin: 0;
        }
    </style>

    <script src="dojo/dojo.js"></script>
    <script>require(["app/main"]);</script>
</head>

<body class="claro">
    <div id="map"></div>
    <script type="text/javascript" src="cordova.js"></script>
</body>

</html>

(3)dojo/src/app/main.js

define(["esri/map"], function (Map) {
    var map = new Map("map", {
        basemap: "topo",
        center: [-122.45, 37.75],
        zoom: 13
    });
});

6、构建

jsapi-resources\3.x\bower\dojo文件夹下执行构建

npm run build

注意:构建完的文件在dojo/dist下,包含完整的包。如果需要手动挑选出需要加载的资源文件比较困难,可通过发布网站并利用工具下载来达到挑选的目的。

构建结果

7、将文件夹发布为虚拟目录并进行访问

D:\mapp\jsapi-resources\3.x\bower文件夹发布为虚拟目录
访问http://localhost/bower/dojo/dist/index.html

访问地图

8、下载页面资源文件

(1)打开Chrome网上应用店https://chrome.google.com/webstore/category/extensions,需要科学上网;
(2)查找Full download JS/CSS/HTML,点击添加至Chrome
(3)按F12打开开发者工具,找到FullDownload,点击Record进行录制,按F5刷新页面,按DownloadAll下载资源。

使用Full download JS/CSS/HTML进行下载

参考资料

1、Using Bower for Custom Builds of the ArcGIS API for JavaScript
https://developers.arcgis.com/javascript/3/jshelp/inside_bower_custom_builds.html
2、Bower Sample application
https://github.com/Esri/jsapi-resources/tree/master/3.x/bower/dojo

转载请注明:作者gisxiaowei,首发简书 jianshu.com

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