前言介紹
- 這款 WordPress 外掛「Gellum Delivery Calculator for WooCommerce」是 2025-05-29 上架。
- 目前有 20 個安裝啟用數。
- 上一次更新是 2026-02-17，距離現在已有 8 天。
- 外掛最低要求 WordPress 6.9 以上版本才可以安裝。
- 外掛要求網站主機運作至少需要 PHP 版本 7.4 以上。
- 尚未有人給過這款外掛評分。
- 還沒有人在論壇上發問，可能目前使用數不多，還沒有什麼大問題。
外掛協作開發者
外掛標籤
gps | delivery | Google Maps | woocommerce | shipping calculator |
內容簡介
總結：Gellum Delivery Calculator 外掛提供強大又使用者友善的方式，透過準確的 GPS 距離計算來評估運費，並在購物車或結帳過程中整合互動 Google 地圖。此外，使用者可以在地圖上確切指定交貨地點，或使用瀏覽器自動 GPS 偵測功能，使整個選擇過程更加迅速與方便。
問題與答案：
1. 這個外掛的主要功能是什麼？
- 主要功能包括提供互動 Google 地圖供客戶選擇送貨地點、使用 Haversine 公式進行 GPS 距離計算、定義 GeoJSON 交貨區域、以及透過 Google 地圖反向地理編碼來獲取詳細地址資訊等。
2. 什麼是 GeoJSON 交貨區域？它的作用是什麼？
- GeoJSON 交貨區域指的是使用 GeoJSON（支援多邊形/多多邊形）來定義精確的服務範圍，並在地圖上進行視覺化顯示。它的作用是確保價格只在指定的服務區域內提供。
3. 外掛如何幫助簡化結帳過程？
- 這個外掛可以透過 Google 地圖反向地理編碼的整合，當客戶在地圖上選取或移動定位針時，可以立即獲取詳細的地址資訊，如 Google Plus 代碼、城市、州/省、郵政編碼和國家，以減少鍵入錯誤並提升整體使用者體驗。
原文外掛簡介
Calculate Shipping Costs by GPS Distance in WooCommerce with Interactive Map
Gellum Delivery Calculator transform your WooCommerce store’s local delivery experience. This plugin offers a robust and user-friendly way to calculate shipping costs based on the precise GPS distance from your store to the customer’s location. It goes beyond simple calculations by integrating an interactive Google Map directly into your cart or checkout process. Customers can easily pinpoint their exact delivery location on the map, or allow their browser to attempt automatic GPS detection for an even quicker start. You define your operational reach by drawing or uploading a GeoJSON boundary, ensuring that rates are only offered within your designated service area. The plugin visually displays this area on the map, providing clear feedback to the customer. The standout feature is the integration of Google Maps Reverse Geocoding. When a customer selects or moves their pin on the map:
The plugin instantly fetches detailed address information via the Google Geocoding API.
It identifies the Google Plus Code, City, State/Province, Postal Code, and Country.
This streamlines the checkout process, reduces typing errors, and enhances the overall user experience by leveraging WooCommerce’s native checkout update mechanisms. It’s particularly useful for areas where traditional street addresses might be less precise or for customers who prefer the simplicity of dropping a pin.
Key Features:
Interactive Google Map: Customers visually select their delivery location.
GPS Distance Calculation: Uses the Haversine formula for accurate distance measurement.
GeoJSON Delivery Area: Define precise service zones using GeoJSON (Polygon/MultiPolygon support) and visually display them.
Reverse Geocoding: Fetches Plus Codes, City, State, Postcode, and Country from a map point.
Automatic Address Field Updates: Populates WooCommerce Billing/Shipping fields (Address 1, City, State, Postcode, Country) in real-time.
Initial GPS Auto-Detection: Attempts to find the customer’s current location via browser Geolocation API.
Configurable Rate Structure: Set a base fee, define a maximum distance for that base fee, and add a per-kilometer cost for distances beyond that.
Free Shipping Threshold: Offer free delivery for orders above a certain subtotal.
Order Details Storage: Saves the customer’s selected GPS coordinates (Latitude & Longitude) with each order for your records.
Admin Order View: Displays the customer’s GPS coordinates and a link to Google Maps directly on the order details page in the WordPress admin.
HPOS Compatible: Works seamlessly with WooCommerce’s High-Performance Order Storage.
Shortcode Support: Easily place the map anywhere using the [gellumdcw_map] shortcode.
Server-Side Validation: Includes checks during checkout to ensure the final delivery location is still within the valid GeoJSON area.
Independent Configuration: Each subsite within your Multisite network can have its own unique Gellum Delivery Calculator settings. This includes distinct Google Maps API Keys, store locations (latitude and longitude), GeoJSON delivery areas, and pricing structures.
Separate Data Handling: Customer sessions, cart data, and order details (including GPS coordinates saved with each order) are managed independently for each subsite, ensuring no data conflicts across your network.
Seamless Integration: The plugin integrates smoothly with WooCommerce’s standard shipping methods and checkout processes across individual subsites.
✨ NEW Features
Configurable Distance Unit: Choose to calculate distances and set rates in either Kilometers (km) or Miles (mi).
Selectable Calculation Method: Added a new setting in the shipping method configuration allowing administrators to choose between ‘Driving Route (Directions API)’ for high accuracy and ‘Straight Line (Bird’s-eye view)’ for a fast, free approximation.
Dynamic Map Visualization: The interactive map now dynamically displays the selected calculation method. It will show the precise turn-by-turn driving route or a new, stylized curved line instead of a simple straight line.
Email Map Snapshot: A static map image is now automatically added to the WooCommerce order confirmation emails sent to the customer. This map clearly shows the store location (A) and the customer’s delivery location (B).
Gellum Delivery Calculator is ideal for restaurants, local shops, and any business offering delivery services within a defined geographic area, providing both operational control and customer convenience.
External Services
This plugin utilizes services from Google Maps Platform to provide accurate delivery cost calculation and location selection.
Service: Google Maps JavaScript API, Google Geocoding API, Static Maps API, Directions API.
Purpose: The Maps JavaScript API is used to display an interactive map, allow customers to select their delivery location, and visualize the defined delivery area. The Geocoding API is used to translate the selected map coordinates into human-readable address components (e.g., Plus Code, City, State, Postal Code, Country) and to update WooCommerce checkout fields automatically. Maps Static API is used for display the delivery map on customer email. Directions API is used to retrieve, display, and calculate the distance between the merchant and the customer following the correct route.
Data Sent:
Customer’s Location (Latitude and Longitude): Sent from the user’s browser to Google Maps API when the map is initialized (if geolocation is allowed by the user) or when the user clicks/drags the marker on the map. This data is used to geocode the location and calculate the distance from the store.
Google Maps API Key: Sent with every request to Google Maps Platform services for authentication and billing.
When Data is Sent:
Upon loading a page containing the [gellumdcw_map] shortcode (for map initialization and optional auto-detection).
Whenever a user manually selects or drags the delivery location marker on the map.
During the checkout process when the Gellum Delivery method is selected and validated.
Terms of Service: https://policies.google.com/terms
Privacy Policy: https://policies.google.com/privacy
各版本下載點
- 方法一：點下方版本號的連結下載 ZIP 檔案後，登入網站後台左側選單「外掛」的「安裝外掛」，然後選擇上方的「上傳外掛」，把下載回去的 ZIP 外掛打包檔案上傳上去安裝與啟用。
- 方法二：透過「安裝外掛」的畫面右方搜尋功能，搜尋外掛名稱「Gellum Delivery Calculator for WooCommerce」來進行安裝。
（建議使用方法二，確保安裝的版本符合當前運作的 WordPress 環境。
1.0.6 | 1.0.7 | 1.1.0 | 1.1.1 | 1.1.2 | 1.1.3 | trunk |
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