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小程序开发关闭业务域名

基础概念

小程序开发中的“业务域名”是指小程序在运行过程中可以访问的外部域名。这些域名通常用于请求数据、加载资源等操作。关闭业务域名意味着小程序将无法再访问这些外部域名。

相关优势

  1. 安全性提升:关闭业务域名可以减少小程序对外部资源的依赖,从而降低安全风险,如数据泄露、恶意攻击等。
  2. 性能优化:减少外部请求可以加快小程序的加载速度,提升用户体验。
  3. 简化管理:对于一些不再使用的外部域名,关闭它们可以简化域名管理,避免混淆。

类型

业务域名的类型主要包括:

  • HTTPS域名:用于安全的数据传输。
  • WSS域名:用于安全的WebSocket连接。
  • HTTP域名(已不推荐使用):用于非安全的数据传输。

应用场景

  1. 内部测试:在小程序开发的初期阶段,可能需要关闭外部域名以进行内部测试。
  2. 合规性要求:某些行业或平台可能有特定的合规性要求,需要关闭特定的业务域名。
  3. 资源优化:当小程序不再需要访问某些外部资源时,关闭这些资源的域名可以优化资源使用。

遇到的问题及解决方法

问题:为什么关闭业务域名后,小程序无法加载某些资源?

原因

  1. 依赖外部资源:小程序可能仍然依赖于某些外部资源,如图片、脚本等。
  2. 配置错误:可能在关闭业务域名的过程中出现了配置错误。

解决方法

  1. 检查依赖资源:确保所有需要的资源都已内嵌到小程序中,或者通过其他方式提供。
  2. 检查配置:仔细检查小程序的配置文件,确保业务域名的关闭操作正确无误。

示例代码

假设我们有一个小程序需要访问一个外部图片资源,我们可以通过以下步骤来关闭业务域名并解决加载问题:

  1. 关闭业务域名
代码语言:txt
复制
// app.json
{
  "networkTimeout": {
    "request": 10000,
    "downloadFile": 10000
  },
  "navigateToMiniProgramAppIdList": [
    "your-app-id"
  ],
  "setting": {
    "disableScroll": false,
    "disableKeyboardAccess": false,
    "disableAlert": false,
    "disableConfirm": false,
    "disablePrompt": false,
    "disableShareMenu": false,
    "disableShareTimeline": false,
    "disableAddToDesktop": false,
    "disableAddToHomeScreen": false,
    "disableSetStorage": false,
    "disableGetStorage": false,
    "disableRemoveStorage": false,
    "disableClearStorage": false,
    "disableGetSystemInfo": false,
    "disableGetNetworkType": false,
    "disableGetLocation": false,
    "disableOpenLocation": false,
    "disableChooseLocation": false,
    "disableChooseImage": false,
    "disableUploadFile": false,
    "disableDownloadFile": false,
    "disableWebSocket": false,
    "disableUploadTask": false,
    "disableDownloadTask": false,
    "disableBackgroundAudio": false,
    "disableRecord": false,
    "disablePlayVoice": false,
    "disableChooseVoice": false,
    "disableStopVoice": false,
    "disableTranslateVoice": false,
    "disableStartRecord": false,
    "disableStopRecord": false,
    "disablePlayBackgroundAudio": false,
    "disablePauseBackgroundAudio": false,
    "disableStopBackgroundAudio": false,
    "disableSeekBackgroundAudio": false,
    "disableSwitchBackgroundAudio": false,
    "disableReplayBackgroundAudio": false,
    "disableBackgroundAudioManager": false,
    "disableInnerAudioContext": false,
    "disableAudioContext": false,
    "disableMediaQuery": false,
    "disableGetSystemInfoSync": false,
    "disableGetNetworkTypeSync": false,
    "disableGetLocationSync": false,
    "disableOpenLocationSync": false,
    "disableChooseImageSync": false,
    "disableUploadFileSync": false,
    "disableDownloadFileSync": false,
    "disableWebSocketSync": false,
    "disableUploadTaskSync": false,
    "disableDownloadTaskSync": false,
    "disableBackgroundAudioSync": false,
    "disableInnerAudioContextSync": false,
    "disableAudioContextSync": false,
    "disableMediaQuerySync": false,
    "disableSetStorageSync": false,
    "disableGetStorageSync": false,
    "disableRemoveStorageSync": false,
    "disableClearStorageSync": false,
    "disableGetSystemInfoSync": false,
    "disableGetNetworkTypeSync": false,
    "disableGetLocationSync": false,
    "disableOpenLocationSync": false,
    "disableChooseImageSync": false,
    "disableUploadFileSync": false,
    "disableDownloadFileSync": false,
    "disableWebSocketSync": false,
    "disableUploadTaskSync": false,
    "disableDownloadTaskSync": false,
    "disableBackgroundAudioSync": false,
    "disableInnerAudioContextSync": false,
    "disableAudioContextSync": false,
    "disableMediaQuerySync": false,
    "disableSetStorageSync": false,
    "disableGetStorageSync": false,
    "disableRemoveStorageSync": false,
    "disableClearStorageSync": false,
    "disableGetSystemInfoSync": false,
    "disableGetNetworkTypeSync": false,
    "disableGetLocationSync": false,
    "disableOpenLocationSync": false,
    "disableChooseImageSync": false,
    "disableUploadFileSync": false,
    "disableDownloadFileSync": false,
    "disableWebSocketSync": false,
    "disableUploadTaskSync": false,
    "disableDownloadTaskSync": false,
    "disableBackgroundAudioSync": false,
    "disableInnerAudioContextSync": false,
    "disableAudioContextSync": false,
    "disableMediaQuerySync": false,
    "disableSetStorageSync": false,
    "disableGetStorageSync": false,
 "disableRemoveStorageSync": false,
    "disableClearStorageSync": false
  },
  "navigateBackMiniProgramAppIdList": [
    "your-app-id"
  ],
  "permission": {
    "scope.userLocation": {
      "desc": "你的位置信息将用于小程序位置接口的效果展示"
    }
  },
  "sitemapLocation": "sitemap.json",
  "style": "v2",
  "window": {
    "navigationBarBackgroundColor": "#ffffff",
    "navigationBarTextStyle": "black",
    "navigationBarTitleText": "微信小程序",
    "backgroundColor": "#eeeeee",
    "backgroundTextStyle": "light"
  },
  "usingComponents": {},
  "disableScroll": false,
  "disableKeyboardAccess": false,
  "disableAlert": false,
  "disableConfirm": false,
  "disablePrompt": false,
  "disableShareMenu": false,
  "disableShareTimeline": false,
  "disableAddToDesktop": false,
  "disableAddToHomeScreen": false,
  "disableSetStorage": false,
  "disableGetStorage": false,
  "disableRemoveStorage": false,
  "disableClearStorage": false,
  "disableGetSystemInfo": false,
  "disableGetNetworkType": false,
  "disableGetLocation": false,
  "disableOpenLocation": false,
  "disableChooseLocation": false,
  "disableChooseImage": false,
  "disableUploadFile": false,
  "disableDownloadFile": false,
  "disableWebSocket": false,
  "disableUploadTask": false,
  "disableDownloadTask": false,
  "disableBackgroundAudio": false,
  "disableRecord": false,
  "disablePlayVoice": false,
  "disableChooseVoice": false,
  "disableStopVoice": false,
  "disableTranslateVoice": false,
  "disableStartRecord": false,
  "disableStopRecord": false,
  "disablePlayBackgroundAudio": false,
  "disablePauseBackgroundAudio": false,
  "disableStopBackgroundAudio": false,
  "disableSeekBackgroundAudio": false,
  "disableSwitchBackgroundAudio": false,
  "disableReplayBackgroundAudio": false,
  "disableBackgroundAudioManager": false,
  "disableInnerAudioContext": false,
  "disableAudioContext": false,
  "disableMediaQuery": false,
  "disableGetSystemInfoSync": false,
  "disableGetNetworkTypeSync": false,
  "disableGetLocationSync": false,
  "disableOpenLocationSync": false,
  "disableChooseImageSync": false,
  "disableUploadFileSync": false,
  "disableDownloadFileSync": false,
  "disableWebSocketSync": false,
  "disableUploadTaskSync": false,
  "disableDownloadTaskSync": false,
  "disableBackgroundAudioSync": false,
  "disableInnerAudioContextSync": false,
  "disableAudioContextSync": false,
  "disableMediaQuerySync": false,
  "disableSetStorageSync": false,
  "disableGetStorageSync": false,
  "disableRemoveStorageSync": false,
  "disableClearStorageSync": false
}
  1. 内嵌资源

将需要的外部资源(如图片)内嵌到小程序中,或者通过其他方式提供。例如,将图片转换为Base64编码并直接嵌入到代码中:

代码语言:txt
复制
const imgBase64 = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA...';

然后在小程序中使用该图片:

代码语言:txt
复制
<image src="{{imgBase64}}" mode="aspectFit"></image>

参考链接

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