Teach you how to configure WeChat applet

This article mainly introduces the relevant information of the WeChat Mini Program tutorial. Here is a detailed introduction to app.json, pages, window, etc. For those who are new to developing WeChat Mini Programs, it is more important to master these. Yes, friends who need it can refer to

WeChat Mini Program - Configuration

The following is the editor’s systematic arrangement of the configuration information of the Mini Program, I hope it can Helpful for developers.

We use the app.json file to globally configure the WeChat applet, determine the path of the page file, window performance, set the network timeout, set multiple tabs, etc.

The following is a simple configuration app.json that contains all configuration options:

{
 "pages": [
  "pages/index/index",
  "pages/logs/index"
 ],
 "window": {
  "navigationBarTitleText": "Demo"
 },
 "tabBar": {
  "list": [{
   "pagePath": "pages/index/index",
   "text": "首页"
  }, {
   "pagePath": "pages/logs/logs",
   "text": "日志"
  }]
 },
 "networkTimeout": {
  "request": 10000,
  "downloadFile": 10000
 },
 "debug": true
}

app.json configuration item list

##debug BooleanNoSet whether to enable debug mode

Properties	Type	Required	Description
pages	Array	Yes	Set page path
window	Object	No	Set the window performance of the default page
tabBar	Object	No	Set the performance of the bottom tab
networkTimeout	Object	No	Set network timeout

##pages

Accepts an array, each item is a string, to specify which pages the mini program consists of. Each item represents the [path + file name] information of the corresponding page, and the first item in the array represents the initial page of the mini program. Adding/reducing pages in the mini program requires modifying the pages array.

There is no need to write a file suffix in the file name, because the framework will automatically look for the four files in the path .json, .js, .wxml, and .wxss for integration.

If the development directory is:

pages/
pages/index/index.wxml
pages/index/index.js
pages/index/index.wxss
pages/logs/logs.wxml
pages/logs/logs.js
app.js
app.json
app.wxss

, then we need to write

{
 "pages":[
  "pages/index/index"
  "pages/logs/logs"
 ]
}

window

## in app.json #Used to set the status bar, navigation bar, title, and window background color of the mini program.

PropertiesTypeDefault valueDescription##navigationBarBackgroundColorHexColorString StringHexColorString Note: HexColor (hexadecimal color value), such as "#ff00ff"

#000000	Navigation bar background color, such as "#000000"		navigationBarTextStyle
white	Navigation bar title color, only supports black/white		navigationBarTitleText
	Navigation bar title text content		backgroundColor
#ffffff	Background color of the window		backgroundTextStyle
dark	Drop-down background font, loading image style, only supported dark/light

Such as app.json:

{
 "window":{
  "navigationBarBackgroundColor": "#ffffff",
  "navigationBarTextStyle": "black",
  "navigationBarTitleText": "微信接口功能演示",
  "backgroundColor": "#eeeeee",
  "backgroundTextStyle": "light"
 }
}

tabBar

If our applet is a multi-tab application (bottom of the client window There is a tab bar that can switch pages), then we can specify the performance of the tab bar through the tabBar configuration item, and the corresponding page displayed when the tab is switched.

tabBar is an array. Only a minimum of 2 and a maximum of 5 tabs can be configured. The tabs are sorted in the order of the array.

Attribute description:

AttributeTypecolorHexColor##selectedColorHexColor is on tab The color when the text is selected backgroundColorHexColor is the background color of No is a list of list accepts an array, each item in the array is an object, and its attribute values ​​​​are as follows:

Required	Default Value	Description
is		The default color of text on tab
			##borderStyle	String
black	The color of the border on the tabbar, only supports black/white		list	Array
	tabs. For details, see the list attribute description, at least 2, up to 5 tabs

Attribute

TypeRequiredString is the isis is the image path when

Description

pagePath

page path, which must be defined first in pages

text

String

Button text on the tab

iconPath

String

Image path, icon size limit is 40kb

selectedIconPath

String

is selected, icon size limit is 40kb

networkTimeout

可以设置各种网络请求的超时时间。

属性说明：

属性	类型	必填	说明
request	Number	否	wx.request的超时时间，单位毫秒
connectSocket	Number	否	wx.connectSocket的超时时间，单位毫秒
uploadFile	Number	否	wx.uploadFile的超时时间，单位毫秒
downloadFile	Number	否	wx.downloadFile的超时时间，单位毫秒

debug

可以在开发者工具中开启 debug 模式，在开发者工具的控制台面板，调试信息以 info 的形式给出，其信息有Page的注册，页面路由，数据更新，事件触发 。 可以帮助开发者快速定位一些常见的问题。

page.json

每一个小程序页面也可以使用.json文件来对本页面的窗口表现进行配置。 页面的配置比app.json全局配置简单得多，只是设置 app.json 中的 window 配置项的内容，页面中配置项会覆盖 app.json 的 window 中相同的配置项。
页面的.json只能设置 window 相关的配置项，以决定本页面的窗口表现，所以无需写 window 这个键，如：

{
 "navigationBarBackgroundColor": "#ffffff",
 "navigationBarTextStyle": "black",
 "navigationBarTitleText": "微信接口功能演示",
 "backgroundColor": "#eeeeee",
 "backgroundTextStyle": "light"
}

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