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Preview of the teaching course on September 10, 2018: How to implement paging query data table and classification query for class encapsulation in PHP

Preview of the teaching content of the third online class of PHP Chinese website on September 10, 2018: 1. Teaching topic: How to use PHP to implement paging query data tables? Encapsulate classification queries into classes to achieve code reuse. For more detailed knowledge points, please pay atten...

藏色散人 2018-09-10 10:02:37 0  0  1376

How to change it so that the data is displayed on the page in reverse order, that is, the latest data is displayed at the front (code on the Internet)

<?php //Paging function function news($pageNum = 1, $pageSize = 5) { $array = array(); // $coon = mysqli_connect('rm-bp108931c0786t58eko.mysql.rds.a

肆意。 2019-03-30 10:48:16 0  2  1430

How can I access the page directly without logging in, or how can I remove the login function?

<?php/** * Front page base class */class WebLoginBase extends WebBase{ public $type; public $groupId; public $played; public $NO; public $gameFanDian; function __construct($dsn, $user='&# 39

Keevi 2021-03-09 07:38:45 0  1  2303

When there is multiple user data, how to use classes to handle multiple

class usermodel{ public $userList;   public $id; public $name; public function _init(){   $this->userList=include_once './123.php'; } public function get_name(){ 

落葉. 2019-08-11 14:57:18 0  0  926

Error when importing traits

namespace app\admin\controller;class Index{use \traits\controller\jump;public function index(){return 'HELLow';}public function test($name){if($name=='php'){$this->success('正在跳轉(zhuǎn)

葫蘆娃平衡盤(pán) 2018-01-28 21:47:33 0  1  1313

Regarding the namespace problem, can any veteran please help me analyze it? I'm a noob.

//namespace1.php <?php namespace Demo1; class test1 { private $name='miracleart.cn'; public function getName() { return $this->name; } }//namespace2.php

小白一直白 2020-07-05 10:46:40 0  2  1171

For the view content in this chapter, I typed it according to the code in the video, and the created file was also typed according to the video, but why did a page error appear! Please try again later

Code content of index.php <?phpnamespace app\index\controller;use think\Controller;class Index{ public function index() { return 'php'; &nbsp

冷酸靈牙膏 2019-06-26 01:07:34 0  3  1434

python - How to count the word frequency of an English API development document (such as javadoc document)?

For example, a simpler function is how to count the word frequency of an English API development document? (The document may be multiple html files, or it may be a chm file, not a simple txt text); The more complicated requirement is that because the development document involves many class names, f...

迷茫 2017-07-05 10:35:00 0  2  1308

How to use a class to output a two-dimensional array?

<?php class demo{ protected $name; protected $age; protected $wages; public function __construct($name,$age,$wages){ $this->name = $name; $this->age = $age; $this->wages = $wages

哥特 2018-05-07 09:59:35 0  0  1303

suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will be used in the future.

The function has been implemented, but it has not been tested in other PHP versions. Dz Application Center customer service said: suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will not be supported in future PHP versions; ple...

°執(zhí)著. 2018-11-25 19:19:16 0  0  1000

thinkphp3.2.3 error reporting after view model instantiation

<?php namespace Admin\Controller; use Think\Controller; class ArticleController extends Controller {     public function lst(){  &nb

███ 2018-04-17 17:19:02 0  2  1183

ThinkPHP5 quickly develops corporate sites

<?php namespace app\admin\common; use think\Controller; use think\Session; class Base extends Controller {     protected function _initi

清雨 2017-09-26 09:22:57 1  2  1327

php - A certain function can be implemented using a function. Is it necessary to use a class to implement it?

I use PHP. Most of the functions in the project I am writing now are encapsulated into functions. When needed, just require, and then pass the parameters to call the function. I don’t know if this will be bad. Is it still possible? Should we use classes to implement it? Take the homepage of the webs...

滿天的星座 2017-05-31 10:33:09 0  10  900

PHP class attribute declaration?

<?php class Image{     private $path;     public function __construct($path = './'){      &nb

A _ Ｑ _ｉ_(kāi) 2021-10-17 22:05:54 0  7  1030

How to import the contents of RTF format files into the editor in PHP?

The new function needs to extract the content from the RTF format file and put it into the input box of the unavailable input tag, as shown in the following figure. How to implement this function? Is there a method class in PHP to obtain it? .

北城浮生ぅ 2017-12-09 10:49:49 0  0  1185

JavaScript: Enter the selector of the specified type (only three simple CSS selectors such as id, class, and tagName are supported)

1. Write a JavaScript function and input a selector of a specified type (it only needs to support three simple CSS selectors of id, class, and tagName, and does not need to be compatible with combined selectors). The problem is: the following regular matching cannot be understood, var reg = / ^(#)?(...

PHP中文網(wǎng) 2017-06-26 10:57:53 0  4  1145

Uncaught TypeError: Cannot set property of undefined (set 'innerHTML')

I'm trying to create a webpage using php, on an element of class "Continuous TextBox" (defined by my class), when clicked I have to start a Javascript function that should change the content of another function id "harta-modal" ” element, but that won’t happen. I keep getting the...

P粉022140576 2023-11-08 21:06:09 0  1  939

Scoping JavaScript: How to operate only on specific elements?

I have a very simple JS code that only does one thing, which is to toggle an open class on a specific element on the page. The problem is, I have 4 duplicate .clickSlide elements and .sub_menu elements, and when I click on one of them to trigger the code, all the elements get the open class. Only on...

P粉884548619 2023-09-08 20:36:06 0  1  749

Using JS $(this).attr('action'); in Html cannot get the value

I have just been exposed to PHP for a short time and am a novice. Now I am stuck and I can’t find a solution online. Now I want to implement a simple function: use ajax in Html to pass variables to the test2 method in PHP. ---thinkphp 3.2.3, ajax submission, php function processing problem: cannot r...

品茗坐看風(fēng)吹雨 2018-03-21 14:21:21 0  4  2463

Thinkphp5 uses redirect problem

Hello teacher, I encountered a very confusing problem when using redirect in thinkphp5. I hope you can help answer it. <?php namespace app\index\controller; class At extends Common { Public function hi($name) &n

芒果 2017-10-04 16:29:10 0  2  2794