my.multiLevelSelect

2021-02-26 08:06

Cascade selection function, mainly used for selecting several levels of associated data, such as province, city and district.

Sample Code

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    // API-DEMO page/API/multi-level-select/multi-level-select.json
    {
         "defaultTitle": "Cascade selector"
    }

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    <!-- API-DEMO page/API/multi-level-select/multi-level-select.axml-->
    <view class="page">
      <view class="page-description">Cascade selector API</view>
      <view class="page-section">
        <view class="page-section-title">my.multiLevelSelect</view>
        <view class="page-section-demo">
          <button type="primary" onTap="openMultiLevelSelect">Cascade selector</button>
        </view>
      </view>
    </view>

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    // API-DEMO page/API/multi-level-select/multi-level-select.js
    Page({
      openMultiLevelSelect() {
        my.multiLevelSelect({
            title: 'Cascade selector',//Cascade selector title 
            list: [
            {
                name: "Hangzhou city",//entry name
                subList: [
                    {
                        name: "Xihu district",
                        subList: [
                            {
                                name: "Gucui street"
                            },
                            {
                                name: "Wenxin street"
                            }
                        ]
                    },
                    {
                        name: "Shangcheng district",
                        subList: [
                            {
                                name: " Yanan street "
                            },
                            {
                                name: " Longxiangqiao street "
                            }
                        ]
                    }
                ]// cascade sub-data list
            }],// Cascade data list
            success:(res)=>{
                my.alert({title:JSON.stringify(res)})
            }
        });
      }
    })

Parameters

The incoming parameter is of the Object type with the following attributes:

Attributes	Type	Mandatory	Description
title	String	No	Title
list	JsonArray	Yes	selection data list
name	String	Yes	Entry name
subList	JsonArray	No	Sub-entry list
success	Function	No	Callback function for call success
fail	Function	No	Callback function for call failure
complete	Function	No	Callback function for call completion (to be executed for both call success and failure)

Success Callback Function

The incoming parameter is of the Object type with the following attributes:

Attributes	Type	Description
success	Boolean	Selection completed or not, returning false for cancellation
result	JsonArray	selection result, such as [{“name”:”Hangzhou city”},{“name”:”Shangcheng district”},{“name”:”Gucui street”}]