This article describes the function and usage of widgets in the THINKPHP5 framework. Share to everyone for your reference, as follows:
Note: when rendered with the helper function return view() , the pendant function fails and you must use thereturn $this->fetch()
When we use the template, the general site of the top (such as the navigation bar, or user login area, etc.), as well as the end of the site footer (such as links or copyright instructions, etc.), and the body area, we will simplify the code, will be the three pieces of separation, It is then used in a way that inherits from the template.
But if the top and the tail are just plain HTML code good to say, but there is usually a variable assignment and loop traversal and judgment and other logic.
Of course, the original method is that we use native PHP code in these two areas to achieve, but this does not conform to the concept of THINKPHP5 framework, so in the early version of the widget, familiar with WordPress and Yii framework are very familiar, this is built pendant, Widget for something.
He can be very convenient for you to set up a locale containing variables such as variable loop output, such as advertising module, Calendar module, and so on.
Here's how to simply use this feature in THINKPHP5.
First we need in the module directory, resume widget directory, and then create a blog controller inside, and then in the index method to write the following code:
Note that the book in the code is a custom model for me, just to work with examples.
Of course you can inherit the controller, or you can choose not to inherit, depending on your use of the framework of the habit, of course, if you do not inherit, you need to use the View Assistant rendering template.
The code means that the data in the model book is taken out and assigned to the template.
Focus: $this->fetch (); don't think it's not written. The template path defaults to the index view in the blog folder of the View view.
In the widget here is not possible, must fill in the corresponding view path
The corresponding view path is index.html under the blog directory under View view, of course I you can customize the view name
namespace App\index\widget;use app\index\model\book;use Think\controller;class Blog extends controller{public function index () { $list = Book::all (); $this->assign (' list ', $list); return $this->fetch (' Widget/index ');} }Then the code in view/blog/index.html is as follows, just as an example to use
Here the custom output traverses the specified content
{volist name= "list" id= "V"}<p>{$v. id}+{$v. Bookname}</p>{/volist}You can use any function you want in a real-world application, such as a navigation bar traversal output, or many many pendant modules
How to invoke it, you can use the following in your specified view template or in an inherited public template
{:widget('Blog/index')}This way to output, the blog is the widget directory of the controller, index is the method name in the controller
<!doctype html>At this point, complete the output of the following page!
The default home page output shown here
If the widget is working properly, the following output iterates through the contents of a data table
1+weilai
2+yanyan
The above is the whole content of this article, I hope that everyone's learning has helped, more relevant content please pay attention to topic.alibabacloud.com!
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