First time here----smarty, first time here_PHP tutorial

New here--------smarty, new here

Smarty

Day01-----Usage of smarty
Function: Separate php html, program and artist
Usage:
1. Download the source code package
2. Directory structure
libs
Source code file
Smarty.class.php
template //Template file html file
template_c //While the program is running , automatically generated, template compilation file
3. Instantiation
require "Smarty.class.php";
$smartyOb=new Smarty();
4. Configuration
tells Smarty which The directory is where the template html is placed
$smartyOb->setTemplateDir(path);
Tell smarty which directory is where the compiled files are placed
$smartyOb->setCompileDir(path)
5. Display the template
$smartyOb->display("template name and path");
How to pass values ​​to templates
$smartyOb->assign('name on template', passed variable);
How to call
on the template Template tag
{$name}
Array
{$array name.subscript}
Two-dimensional array
array(
0=> ;array('title'=>'t1','pubtime'=>1234567890,'author'=>'xiaoli'),
1=>array('title'=>'t2' ,'pubtime'=>1334567890,'author'=>'xiaoli'),
array('title'=>'t3','pubtime'=>1434567890,'author'=>' xiaoli'),
array('title'=>'t4','pubtime'=>1534567890,'author'=>'xiaoli'),
)
Traverse array
{foreach array name as variable name}
{$variable name.title}
{/foreach}
subscript value
<{$variable name@key}> <{$variable name@index}>
Number of loops
<{$variable name@total}>
Current number of loops
<{$variable name@iteration}>
Whether it is the first cycle
<{$variable name@first}>
Whether it is the last cycle
<{$variable name@last}>
Case:
Implement an interlaced background color change
<{if condition}>
Code
<{/if}>
Exercise:
Underline (dashed line) each li ), except the last line

Understand the content:
<{section name=s1 loop=array to be traversed}>
<{$array to be traversed[s1].subscript}>
< {/section}>
Attributes:
<{$smarty.section.s1.total}>
<{$smarty.section.s1.index}>
< {$smarty.section.s1.iteration}>
<{$smarty.section.s1.last}>
<{$smarty.section.s1.first}>
Exercise :
Use section to achieve different interlaced background colors

Variable regulator

Specification of template tag delimiter:
<{}>
$smartyOb->left_delimiter="<{";
$smartyOb ->right_delimiter="}>";

day02---------, review the content of day01 and expand new knowledge

Smarty
1. Smarty, placed in the php main program
2. Configuration
$smartyOb->setTemplateDir()
$smartyOb->setCompileDir()
$smartyOb ->left_delimiter()
$smartyOb->right_delimiter()
3. Pass value to the template
$smartyOb->assign("template variable name", variable);
4. Display template
$smartyOb->display(path);

{$name}
{$array.subscript}
{foreach array name as variable}
{$ Variable name}
{/foreach}
Tag attributes:
{$variable name@key}
{$variable name@index}
{$variable name@iteration}
{ $variable name@total}
{$variable name@first}
{$variable name@last}
{if condition}
{else}
{/if}

Variable regulator:
{First parameter|Function name: Second parameter:.....}
Article detail page:
02_detail.php?id=5
1. Configure smarty
2. Receive article id
3. Instantiate pdo
4. Spell sql statement
5. Execute
6. Get data
7. Pass to template Value
8. Display template
9. Set template tags, using the data passed by the main program

Page split
{include file="path to template"}
Register function
function fun1(){
return 'abc';
}
$smartyOb- >registerPlugin("function","template function name","registered function name");

Call on the template:
{template function name=value name=value... .}
How to pass parameters? ? ?
1. The number of parameters is up to two.
The first one receives all the parameters passed on the template.
The second parameter receives the current smarty object.
Cache
Data in the database is cached.
Benefits: Reduces the pressure on the mysql server
1. Specify the storage directory for cache files
$smartyOb->setCacheDir(ROOT."day02/cache");
2. Enable caching
$smartyOb->caching=true;
3. Specify the cache life cycle.
$smartyOb->cache_lifetime=100;//seconds
Function: Determine whether the cache file exists and is valid
$smartyOb->isCached("template name and path",id)
$ smartyOb->display("template name and path",id);

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