harmony 鸿蒙form

2022-08-09
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form

NOTE

This component is supported since API version 6. Updates will be marked with a superscript to indicate their earliest API version.

The <form> component allows the content in input elements to be submitted and reset.

Required Permissions

None

Child Components

Supported

Attributes

The universal attributes are supported.

Styles

The universal styles are supported.

Events

In addition to the universal events, the following events are supported.

Name	Parameter	Description
submit	FormResult	Triggered when the Submit button is touched.
reset	-	Triggered when the Reset button is clicked.

Table 1 FormResult

Name	Type	Description
value	Object	Values of name and value of the input element.

Methods

The universal methods are supported.

Example

<!-- xxx.hml -->
<form onsubmit='onSubmit' onreset='onReset'>
  <div style="width: 600px;height: 150px;flex-direction: row;justify-content: space-around;">
    <label>Option 1</label>
    <input type='radio' name='radioGroup' value='radio1'></input>
    <label>Option 2</label>
    <input type='radio' name='radioGroup' value='radio2'></input>
  </div>
  <text style="margin-left: 50px;margin-bottom: 50px;">Enter text</text>
  <input type='text' name='user'></input>
  <div style="width: 600px;height: 150px;margin-top: 50px;flex-direction: row;justify-content: space-around;">
    <input type='submit'>Submit</input>
    <input type='reset'>Reset</input>
  </div>
</form>

// xxx.js
export default{
  onSubmit(result) {
    console.log(result.value.radioGroup) // radio1 or radio2
    console.log(result.value.user) // text input value
  },
  onReset() {
    console.log('reset all value')
  }
}

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