Thiinkphp 3.2 Controller Operation profile Syntax (judging, looping) connection database

Controller operationEmpty Operation

when the system cannot find the requested method, it locates to the __empty() method processing, using this mechanism, we can handle the non-existent operation of the user request uniformly.

NULL controller

when the system request cannot find the controller, it is located on the empty controller Emptycontroller.

cross-controller invocation 1. Direct instantiation

2,A ()

A () is used to instantiate other controllers.

$obj->display ("Manager/managertest1")// call is a template

3,R ()

R () and A () Basically, the only difference is that the R () function passes the action method along with the controller when it is instantiated, omitting the invocation of the method

configuration file for TP framework

Formula configuration: thinkphp/conf/convention.php

application Configuration: application/common/conf/config.php

Debug Configuration: application/common/conf/debug.php

Module Configuration: application/home/conf/config.php

Load order

Custom Configuration , application configuration , Debug Configuration , module configuration

Priority level:

module Configuration > Debug Configuration > application Configuration > Custom Configuration

C (' configured name ') used to obtain configuration information.

TP Framework Syntax The judgment (the variable in the expression does not need {} plus {} will be the error variable and the variable comparison, the field is [] to indicate, not point)

<if Condition= ' expression ' >

<elseif condition= ' expression '/>

<else/>

</if>

an operator in an expression

PHP Operators	The operator in the corresponding TP	English full Name
<	Lt	L ess than
>	Gt	G Reater than
==	eq	Equal
>=	Egt	E qual or greater than
<=	Elt

cycle (for,foreach,volist)

connecting to a database

In the configuration file, you can connect to the database by doing the configuration as above

Thiinkphp 3.2 Controller Operation profile Syntax (judging, looping) connection database