dlt.previewImage

Introduction

Preview images in full screen in a new page. During the preview, users can save and share the images.

Parameters

Object object

Property	Type	Default	Required	Description
urls	string[]		Yes	List of image URLs
showmenu	boolean	false	No	Whether to show the save dialog (not implemented in this version)
current	number	1	No	Index of the image to be displayed (starting from 1)
success	function		No	Callback function for a successful API call
fail	function		No	Callback function for a failed API call
complete	function		No	Callback function that will be executed when the API call is complete (both successful and failed calls)

object.success Callback Function

Parameters

Object res

Property	Type	Description
success	string	true - successful

object.fail Callback Function

Parameters

Object res

Property	Type	Description
success	string	false - failed
errMsg	string	1. Failed preview image, parameter error: PI001 2. Failed preview image, no permission: PI002 3. Failed preview image, unknownError: PI003 4. Failed preview image, url is not a valid URL: PI004

Example Code

// pages/index/index.js
Page({
  previewImage() {
    dlt.previewImage({
      urls: ['xxx', 'xxx'],
      current: 1,
      success: (res) => {
        console.log(res);
      },
    });
  },
});