怎么用PHP调用google map api ?并且将数据库里经纬度表示的点显示在地图上？？
如题。最好写详细点，谢谢！
------解决方案--------------------
当中 23.1150614,113.4082905 为位置的经纬度。
<br /><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br /><html xmlns="http://www.w3.org/1999/xhtml"><br /><head><br /><meta http-equiv="X-UA-Compatible" content="IE=7" /><br /><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><br /><meta name="description" content=" " /><br /><title>谷歌地图 api测试</title><br /><style><br />.map {<br /><br />width: 205px;<br />height: 192px;<br />text-align: center;<br />margin: 0 auto;<br /><br />}<br /></style><br /></head><br /><body> <br /><div id="res_map" class="map"></div><br /><script src="http://ditu.google.cn/maps?file=api&v=2&&key=ABQIAAAAHDyarwhqc8qoi6Hi4Fw2ABS7hG4ulivpH-Zy5ZAv91XflKVwfhRT3BrS_8CE9kMWp7UXsEngXSYF3A" type="text/javascript" charset="utf-8"></script> <br /><script type="text/javascript" charset="utf-8"> <br />function show_small_map() <br />{ <br />if (GBrowserIsCompatible()) <br />{ <br />var map = new GMap2(document.getElementById("res_map"));<br />function createMarker(latlng) <br />{<br /> var marker = new GMarker(latlng);<br /> return marker;<br />}<br />map.setCenter(new GLatLng(23.1150614,113.4082905), 16);<br />var smc = new GSmallZoomControl3D;<br />map.addControl(smc);<br />var latlng = new GLatLng(23.1150614,113.4082905);<br />map.addOverlay(createMarker(latlng)); <br /> <br />} <br />}<br />show_small_map();<br /></script><br /></body><br /></html>这个key 要到谷歌上申请
key=ABQIAAAAHDyarwhqc8qoi6Hi4Fw2ABS7hG4ulivpH-Zy5ZAv91XflKVwfhRT3BrS_8CE9kMWp7UXsEngXSYF3A
本地测试不用key
------解决方案--------------------
读数据库 需要懂动态语言基础
------解决方案--------------------
其实最好的办法是从数据库里读出数据，写入一个外部的KML文件里，再用JS载入。
这东西不是三言两语说的清的，代码什么的，最好自己研究，关键是要真正理解。
参考 https://developers.google.com/maps/documentation/javascript/layers
------解决方案--------------------
demo: http://gmaps-samples.googlecode.com/svn/trunk/ggeoxml/ggeoxml_loader.html
kml: http://kml.lover.googlepages.com/my-vacation-photos.kml
源码自己研究去吧。
Beyond the Hype: Assessing PHP's Role TodayApr 12, 2025 am 12:17 AMPHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.
What are Weak References in PHP and when are they useful?Apr 12, 2025 am 12:13 AMIn PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.
Explain the __invoke magic method in PHP.Apr 12, 2025 am 12:07 AMThe \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.
Explain Fibers in PHP 8.1 for concurrency.Apr 12, 2025 am 12:05 AMFibers was introduced in PHP8.1, improving concurrent processing capabilities. 1) Fibers is a lightweight concurrency model similar to coroutines. 2) They allow developers to manually control the execution flow of tasks and are suitable for handling I/O-intensive tasks. 3) Using Fibers can write more efficient and responsive code.
The PHP Community: Resources, Support, and DevelopmentApr 12, 2025 am 12:04 AMThe PHP community provides rich resources and support to help developers grow. 1) Resources include official documentation, tutorials, blogs and open source projects such as Laravel and Symfony. 2) Support can be obtained through StackOverflow, Reddit and Slack channels. 3) Development trends can be learned by following RFC. 4) Integration into the community can be achieved through active participation, contribution to code and learning sharing.
PHP vs. Python: Understanding the DifferencesApr 11, 2025 am 12:15 AMPHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.
PHP: Is It Dying or Simply Adapting?Apr 11, 2025 am 12:13 AMPHP is not dying, but constantly adapting and evolving. 1) PHP has undergone multiple version iterations since 1994 to adapt to new technology trends. 2) It is currently widely used in e-commerce, content management systems and other fields. 3) PHP8 introduces JIT compiler and other functions to improve performance and modernization. 4) Use OPcache and follow PSR-12 standards to optimize performance and code quality.
The Future of PHP: Adaptations and InnovationsApr 11, 2025 am 12:01 AMThe future of PHP will be achieved by adapting to new technology trends and introducing innovative features: 1) Adapting to cloud computing, containerization and microservice architectures, supporting Docker and Kubernetes; 2) introducing JIT compilers and enumeration types to improve performance and data processing efficiency; 3) Continuously optimize performance and promote best practices.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
Dreamweaver Mac version
Visual web development tools
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
