ThinkPHP开始
ThinkPHP入门
1,ThinkPHP是什么？
ThinkPHP是一个免费开源的，快速、简单的面向对象的轻量级PHP开发框架,是为了敏捷WEB应用开发和简化企业应用开发而诞生的（1）从thinkphp.cn官网下载文件包
（2）解压之后目录文件介绍：
2,如何使用ThinkPHP？
创建控制器,动作
创建 GoodsAction.class.php文件
在此文件中，GoodsAction类 继承自 Action类
访问的时候，通过在url上添加参数 m=Goods&a=show
其中url上的m参数表示：
m----module 模块的意思
ThinkPHP在处理的时候，将一个控制器认为是一个模块
a----表示控制器（模块）的方法pathInfo模式
这种携带url参数的形式不是很美观，
ThinkPHP提供了一种新的访问方式
叫做pathInfo模式，
例如上面的请求可以写成：
而且ThinkPHP默认的url模式就是pathInfo模式
模型处理数据
（1）先找到当前的项目使用哪个数据库，通过配置文件完成配置文件在项目的Conf目录中的conf.php 完成一个数组即可（可以参考系统的默认配置）
（2）利用框架提供的M（）函数获得模型，参数为当前的表名（注意首字母大写）
然后调用模型的select()方法 获得当前表的所有记录，相当于 getAll()
视图层显示数据
直接调用当前控制器的display()方法即可完成模板的显示
默认的display()是可以不带参数的，会自动在模板目录找当前需要的模板文件
命名的时候：Tpl/模块/动作.html
模板引擎循
利用ThinkPHP内置的模板引擎中的foreach完成循环
也是标签语法
数据标签是花括号｛$data｝; 数组是通过 . 来访问，也可以使用 [] 来访问
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