Home Backend Development PHP Problem How to use success method in php

How to use success method in php

Mar 06, 2023 am 09:12 AM
php success

The success method in php is used to display a success message. Its usage syntax is "Success('...','Http://www.xxx.com/Admin/User/Index'); ", when we do not write Url, the system will determine whether there is a previous page. If there is a system, it will jump to the previous page, otherwise it will not jump.

How to use success method in php

The operating environment of this tutorial: Windows 10 system, PHP version 8.1, DELL G3 computer

How to use the success method in php?

Success method

Success is used to display a success message

This method needs to fill in a message to display, for example, to display a successful login Information:

Success('登陆成功','Http://www.test.com/Admin/User/Index');
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When we do not write the URL consecutively, the system will determine whether there is a previous page. If there is, the system will jump to the previous page, otherwise it will not jump.

Success($Msg,$Url=’’,$Seconds=3)
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Related expansion introduction:

ThinkPHP itself provides the success method and error method to implement the page jump function with prompt information, which can display prompt information and jump after adding data. Effect. The success method is used to prompt after a successful operation, and the error is used to prompt after a failed operation. The usage methods of the two are exactly the same. The success method is used for explanation below.

1. Success method

The success method syntax is as follows:

success(message, ajax)
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Parameter description message is optional. Page prompt information. ajax optional. Whether to submit via AJAX, the default is false.

If submitted via AJAX, the success method will call the ajaxReturn method to return information.

success method example:

public function insert(){
// 省略部分其他代码
if($lastInsId = $Dao->add()){
// 页面跳转目标地址
$this->assign("jumpUrl","index");
$this->success("插入数据id 为:$lastInsId");
}else{
header("Content-Type:text/html; charset=utf-8");
exit($Dao->getError().&#39;[<AHREF="javascript:history.back()">返回</A>]&#39;);
}
}
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success template

The success method defaults to calling the success.html template in the public directory, that is, TPL/Public/. In this template, receive the following template variables:

Template variable description:

$waitSecond jump waiting time, unit is seconds, default success is 1 second, error 3 Second.

$jumpUrl jump target page address, the default is $_SERVER["HTTP_REFERER"] (the page before this operation).

$msgTitle operation title. Note: Assigning this variable will not take effect. Success will take the _OPERATION_SUCCESS_ configuration information in the language package, and error will take the _OPERATION_FAIL_ configuration information.

$message page prompt information.

$status operation status, the default is 1 for success, 0 for failure, the specific rules can also be defined by the project itself.

success actually calls the display() method to output the success.html template. Therefore, the success.html template can be modified according to the actual situation, such as adding more information prompts or making CSS art settings to meet actual needs. The above template variables are just some reference variables.

$jumpUrl variable description:

If the $jumpUrl variable does not exist, the default jump address is $_SERVER["HTTP_REFERER"], some common jump page writing methods Reference:

// 本模块其他方法如index 方法
$this->assign("jumpUrl","index");
// 带上参数
$this->assign("jumpUrl","index/section/".$section);
//其他模块
$this->assign("jumpUrl","__APP__/User/index");
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If you want to use the U method to generate the jump target address, you can change the URL attribute in success.html to the U method format:

<meta http-equiv=&#39;Refresh&#39;content=&#39;{$waitSecond};URL={:U($jumpUrl)}&#39;>
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During operation, the assignment of the $jumpUrl template variable must be changed to be consistent with the U method. For details, please refer to the official manual "ThinkPHPU method to dynamically generate URL addresses".

2. Error method

The error method is exactly the same as the success method. It should be noted that ThinkPHP default configuration error method calls Still the success.html template. If you need to define a separate template for the error method, you can modify the system default configuration ThinkPHP/Common/convention.php file as follows:

&#39;TMPL_ACTION_ERROR&#39; => &#39;Public:success&#39;,// 默认错误跳转对应的模板文件
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or redefine it in the project configuration.

In Web development, when you need to jump to a page and display prompt information, you can directly use the above success and error methods provided by ThinkPHP page jump. If you do not need prompts but redirect the page directly, you can refer to the "ThinkPHP redirect" section of the manual.

Recommended learning: "PHP Video Tutorial"

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