HTML_Template_IT in PEAR is a simple and easy-to-use class. ********** Create a template file**************** The "symbol" naming rule is the following regular expression: {[0-9A-Za- z_-]+} "Block" format is as follows, the naming rules of block names are the same as "symbol": ...Block content... Blocks allow nesting, you must first set and analyze The innermost block, and then the blocks on the upper level are set and analyzed. *********** Main method************ Constructor: void IntegratedTemplate::IntegratedTemplate ([string $root = ""]) $root = template root directory You can also use the void IntegratedTemplate::setRoot (string $root) method to set the template directory; this method cannot be called statically. -------------------------------------------------- ------- Load template: boolean IntegratedTemplate::loadTemplatefile (string $filename, boolean [$removeUnknownVariables = TRUE], boolean [$removeEmptyBlocks = TRUE]) $filename = template file name $removeUnknownVariables = Set whether to remove unknown The variable $removeEmptyBlocks = sets whether to remove empty blocks and returns TRUE if successful, and FALSE if failed. This method cannot be called statically---------------------------------------------- ----------- Specify the current block to be processed: boolean IntegratedTemplate::setCurrentBlock ([string $block = "__global"]) $block = block name Returns TRUE if successful, or a PEAR_Error object if failed. It contains a description of the error. This method cannot be called statically. -------------------------------------------------- ----- Use a variable to replace the "symbol" in the block currently being processed: void IntegratedTemplate::setVariable (mixed $placeholder [, mixed $variable = ""]) $placeholder = the name of the symbol to be replaced, if $variable is an array, then use the symbol name as the index of the array and replace the symbol with the data of the array element at this index $variable = variable name or array name This function cannot be called statically------------ ----------------------------------------------- Analyze the block currently being processed : void IntegratedTemplate::parseCurrentBlock () will return a PEAR_Error object if it fails, which contains the error description. This method cannot be called statically. -------------------------------------------------- ------- Processing completion output: void IntegratedTemplate::show ([string $block]) $block = the block to be returned. If $block is not set, the complete template will be returned ********* ********** Simple example (the example comes from PEAR's online manual)***** Usage Example Example 25-1. main.tpl.htm template file, in the "./templates" directory {DATA} Example 25-2. PHP script array("Stig", "Bakken"), "1" => array("Martin" , "Jansen"), "2" => array("Alexander", "Merz") ); $tpl = new HTML_Template_IT("./templates"); $tpl->loadTemplatefile("main.tpl.htm", true, true); foreach($data as $name) { foreach($name as $cell) { // Assign data to the inner block $tpl->setCurrentBlock("cell") ; $tpl->setVariable("DATA ", $cell) ; $tpl->parseCurrentBlock("cell") ; } // Assign data and the inner block to the // outer block $tpl->setCurrentBlock("row") ; $tpl->parseCurrentBlock(" row") ; } // Output $tpl->show(); ?> Example 25-3. Output Stig Bakken Martin Jansen Alexander Merz ************** ***************************************** There is also an ITX class in HTML_Template_IT, which can To complete more complex functions, inherit from IT class; ITX. The original code of the PHP file contains the method description of this class. For detailed instructions on other methods of HTML_Template_IT, please refer to the PEAR manual at http://pear.php.net/manual/en/package.html.html-template-it.php -- I hope everyone can make good use of the PEAR library Write more and better PHP programs! --

本篇文章带大家了解一下HTML(超文本标记语言),介绍一下HTML的本质,HTML文档的结构、HTML文档的基本标签和图像标签、列表、表格标签、媒体元素、表单,希望对大家有所帮助!

总结了一些web前端面试(笔试)题分享给大家,本篇文章就先给大家分享HTML部分的笔试题(附答案),大家可以自己做做,看看能答对几个!

HTML5中画布标签是“<canvas>”。canvas标签用于图形的绘制,它只是一个矩形的图形容器,绘制图形必须通过脚本(通常是JavaScript)来完成;开发者可利用多种js方法来在canvas中绘制路径、盒、圆、字符以及添加图像等。

html5废弃了dir列表标签。dir标签被用来定义目录列表,一般和li标签配合使用,在dir标签对中通过li标签来设置列表项,语法“<dir><li>列表项值</li>...</dir>”。HTML5已经不支持dir,可使用ul标签取代。

在html中,document是文档对象的意思,代表浏览器窗口的文档;document对象是window对象的子对象,所以可通过“window.document”属性对其进行访问,每个载入浏览器的HTML文档都会成为Document对象。

html5支持boolean值属性;boolean值属性指是属性值为true或者false的属性,如input元素中的disabled属性,不使用该属性表示值为flase,不禁用元素,使用该属性可以不设置属性值表示值为true,禁用元素。

在html中,焦点是光标的意思,元素通过鼠标点击就可以获得光标,也即获得焦点;可以利用autofocus属性来规定当页面加载时元素会自动获得焦点,该属性是一个布尔属性,若指定元素设置该属性则会获得焦点,语法为“<指定元素 autofocus="autofocus">”。


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