前言,一个好的前端必然要懂一门后端,同样也要懂设计!
php就是我们最好的选择,入门快,开发快,很多集成好的环境,手册好读,可以最大限度的让我们去操作js与后端的交互实现,了解cookie,ajax等,同样在写静态结构中也可以完善自己的css处理,他为我们快速了解web而生!
动态显示数据,解决前端的纯静态问题
多平台,我们不管,我们就在window上工作
脚本语言,标签的样子,
免费,
集合环境多,appsever我们使用的
解释性语言,不编译,写一句执行依据,刷新查看,最爱
环境搭建:
http://www.appservnetwork.com/
AppServ 2.5.10
Apache 2.2.8
PHP 5.2.6
MySQL 5.0.51b
phpMyAdmin-2.10.3
下载它,php版本是5.x的,据说兼容好,系统位数看好,32还是64位,我的win7 32位
打开安装,端口采用的是8080,我是为了怕冲突,数据库的账号默认 root 密码 123456
成功后......浏览器输入地址 ??????????http://localhost:8080/ ?? ????????
页面中:
phpMyAdmin Database Manager Version 2.10.3 点击可管理自己的mysql数据库
我们找到安装AppServ的目录, 找到www文件夹,我们创建一个demo.html页面
浏览器地址输入 http://localhost:8080/demo.html 看见html页面的内容表示安装ok了!
php的文件是.php后缀名,我们把demo的后缀名改成demo.php。地址改为:http://localhost:8080/demo.php,
同样显示,ok!
环境完成,如同所有语言一样,下一步就是语法学习,我们的语法测试都是在这个环境下处理!

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DatabasequeryoptimizationinPHPinvolvesseveralstrategiestoenhanceperformance.1)Selectonlynecessarycolumnstoreducedatatransfer.2)Useindexingtospeedupdataretrieval.3)Implementquerycachingtostoreresultsoffrequentqueries.4)Utilizepreparedstatementsforeffi


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