Applet creation component

1. Create components

1.2 Local reference component

// page .json file 
{
  "usingComponents": {
    "test1":"/components/test/test1"
  }
}

// page .wxml file 
<text>pages/list/list.wxml</text>
<view></view>// Force a line break 
<test1></test1>

 1.3 Global application （ stay app.json Configuration in file ）

1.4 Global references vs Local application

According to the frequency and range of components , Choose the right way

• If a component is often used on multiple pages , Recommended “ Global references ”
• If only used on a specific page , Recommended “ Local application ”

1.5 Differences between components and pages

On the surface , Components and pages are made up of .js .json .wxml .wxss These four documents consist of . however , Components and pages .js And .json There are obvious differences between documents ：

• Component's .json Declaration required in document “component:true” attribute
• Component's .js What is called in the file is Component（） function
• The event handler function of the component needs to be defined to methods In nodes