phpquery.php\u7684\u597d\u5904\u53ef\u4ee5\u8ddfjquery\u4e00\u6837\u53bb\u64cd\u4f5cDOM\uff0c\u5bf9\u8c61\u548c\u6570\u7ec4\uff0c\u514d\u53bb\u4e86\u5b66\u4e60\u65b0\u7684API\u3002<\/p>\n
\u5728\u4f7f\u7528phpquery.php\u4e4b\u524d\u8981\u52a0\u8f7d\u5982\uff1a<\/p>\n
include 'phpQuery\/phpQuery.php';<\/pre>\n\u83b7\u53d6\u5143\u7d20\r\npq('div') \u76f8\u5f53\u4e8ejquery\u7684 $('div')<\/pre>\n <\/p>\n
\u57fa\u7840\u77e5\u8bc6\/Basics<\/span><\/p>\n\u52a0\u8f7d\u6587\u6863\uff0c\u6839\u636e\u6587\u6863\u7684\u7c7b\u578b\u4e0d\u540c\u52a0\u8f7d\u4e0d\u540c\u7684\u6587\u6863<\/p>\n
\/\/\u7b80\u5355\u6848\u4f8b\r\nphpQuery::newDocumentFileXHTML('my-xhtml.html')->find('p');\r\n\r\nphpQuery::newDocumentFileXHTML('test.html'); \/\/\u83b7\u53d6html\u6587\u6863\u5185\u5bb9\r\nphpQuery::newDocumentFilePHP('test.php'); \/\/\u83b7\u53d6php\u6587\u6863\u5185\u5bb9\r\nphpQuery::newDocument('test.xml', 'application\/rss+xml'); \/\/\u9ed8\u8ba4\u662futf8\u5982\u679c\u4e0d\u9700\u8981\uff0c\u8981\u81ea\u5df1\u624b\u52a8\u4fee\u6539\r\nphpQuery::newDocument('<div\/>'); \/\/\u521b\u5efa\u65b0\u5143\u7d20<\/pre>\nphpQuery::newDocument($html, $contentType = null) Creates new document from markup. If no $contentType, autodetection is made (based on markup). If it fails, text\/html in utf-8 is used.
\nphpQuery::newDocumentFile($file, $contentType = null) Creates new document from file. Works like newDocument()
\nphpQuery::newDocumentHTML($html, $charset = ‘utf-8’)
\nphpQuery::newDocumentXHTML($html, $charset = ‘utf-8’)
\nphpQuery::newDocumentXML($html, $charset = ‘utf-8’)
\nphpQuery::newDocumentPHP($html, $contentType = null) Read more about it on PHPSupport page
\nphpQuery::newDocumentFileHTML($file, $charset = ‘utf-8’)
\nphpQuery::newDocumentFileXHTML($file, $charset = ‘utf-8’)
\nphpQuery::newDocumentFileXML($file, $charset = ‘utf-8’)
\nphpQuery::newDocumentFilePHP($file, $contentType) Read more about it on PHPSupport page<\/p>\n
<\/p>\n
\u00a0\u9009\u62e9\u5668\/Selectors<\/span><\/p>\n\/\/\u9009\u62e9\u5668\u7684\u4f7f\u7528\u65b9\u6cd5\u8ddfjquery\u5dee\u4e0d\u591a\uff0c\u53ea\u662f\u4f7f\u7528\u94fe\u5f0f\u5199\u6cd5\u4e0d\u662f\u7528\u70b9\u53bb\u8fde\u63a5\u800c\u662f\u7528->\r\npq(\".class ul > li[rel='foo']:first:has(a)\")->appendTo('.append-target-wrapper div')->...<\/pre>\n\n- \n
Basics<\/h2>\n<\/li>\n
- #id<\/a><\/strong>\u00a0Matches a single element with the given id attribute.<\/li>\n
- element<\/a><\/strong>\u00a0Matches all elements with the given name.<\/li>\n
- .class<\/a><\/strong>\u00a0Matches all elements with the given class.<\/li>\n
- *<\/a><\/strong>\u00a0Matches all elements.<\/li>\n
- selector1, selector2, selectorN<\/a><\/strong>\u00a0Matches the combined results of all the specified selectors.
\nHierarchy<\/h2>\n<\/li>\n
- ancestor descendant<\/a><\/strong>\u00a0Matches all descendant elements specified by “descendant” of elements specified by “ancestor”.<\/li>\n
- parent > child<\/a><\/strong>\u00a0Matches all child elements specified by “child” of elements specified by “parent”.<\/li>\n
- prev + next<\/a><\/strong>\u00a0Matches all next elements specified by “next” that are next to elements specified by “prev”.<\/li>\n
- prev ~ siblings<\/a><\/strong>\u00a0Matches all sibling elements after the “prev” element that match the filtering “siblings” selector.
\nBasic Filters<\/h2>\n<\/li>\n
- :first<\/a><\/strong>\u00a0Matches the first selected element.<\/li>\n
- :last<\/a><\/strong>\u00a0Matches the last selected element.<\/li>\n
- :not(selector)<\/a><\/strong>\u00a0Filters out all elements matching the given selector.<\/li>\n
- :even<\/a><\/strong>\u00a0Matches even elements, zero-indexed.<\/li>\n
- :odd<\/a><\/strong>\u00a0Matches odd elements, zero-indexed.<\/li>\n
- :eq(index)<\/a><\/strong>\u00a0Matches a single element by its index.<\/li>\n
- :gt(index)<\/a><\/strong>\u00a0Matches all elements with an index above the given one.<\/li>\n
- :lt(index)<\/a><\/strong>\u00a0Matches all elements with an index below the given one.<\/li>\n
- :header<\/a><\/strong>\u00a0Matches all elements that are headers, like h1, h2, h3 and so on.<\/li>\n
- :animated<\/a><\/strong>\u00a0Matches all elements that are currently being animated.
\nContent Filters<\/h2>\n<\/li>\n
- :contains(text)<\/a><\/strong>\u00a0Matches elements which contain the given text.<\/li>\n
- :empty<\/a><\/strong>\u00a0Matches all elements that have no children (including text nodes).<\/li>\n
- :has(selector)<\/a><\/strong>\u00a0Matches elements which contain at least one element that matches the specified selector.<\/li>\n
- :parent<\/a><\/strong>\u00a0Matches all elements that are parents – they have child elements, including text.
\nVisibility Filters<\/h2>\n<\/li>\n<\/ul>\n
none<\/em><\/p>\nAttribute Filters<\/h2>\n\n- [attribute<\/a>]<\/strong>\u00a0Matches elements that have the specified attribute.<\/li>\n
- [attribute=value<\/a>]<\/strong>\u00a0Matches elements that have the specified attribute with a certain value.<\/li>\n
- [attribute!=value<\/a>]<\/strong>\u00a0Matches elements that don’t have the specified attribute with a certain value.<\/li>\n
- [attribute^=value<\/a>]<\/strong>\u00a0Matches elements that have the specified attribute and it starts with a certain value.<\/li>\n
- [attribute$=value<\/a>]<\/strong>\u00a0Matches elements that have the specified attribute and it ends with a certain value.<\/li>\n
- [attribute*=value<\/a>]<\/strong>\u00a0Matches elements that have the specified attribute and it contains a certain value.<\/li>\n
- [selector1<\/a>selector2selectorN]<\/strong>\u00a0Matches elements that have the specified attribute and it contains a certain value.
\nChild Filters<\/h2>\n<\/li>\n
- :nth-child(index\/even\/odd\/equation)<\/a><\/strong>\u00a0Matches all elements that are the nth-child of their parent or that are the parent’s even or odd children.<\/li>\n
- :first-child<\/a><\/strong>\u00a0Matches all elements that are the first child of their parent.<\/li>\n
- :last-child<\/a><\/strong>\u00a0Matches all elements that are the last child of their parent.<\/li>\n
- :only-child<\/a><\/strong>\u00a0Matches all elements that are the only child of their parent.
\nForms<\/h2>\n<\/li>\n
- :input<\/a><\/strong>\u00a0Matches all input, textarea, select and button elements.<\/li>\n
- :text<\/a><\/strong>\u00a0Matches all input elements of type text.<\/li>\n
- :password<\/a><\/strong>\u00a0Matches all input elements of type password.<\/li>\n
- :radio<\/a><\/strong>\u00a0Matches all input elements of type radio.<\/li>\n
- :checkbox<\/a><\/strong>\u00a0Matches all input elements of type checkbox.<\/li>\n
- :submit<\/a><\/strong>\u00a0Matches all input elements of type submit.<\/li>\n
- :image<\/a><\/strong>\u00a0Matches all input elements of type image.<\/li>\n
- :reset<\/a><\/strong>\u00a0Matches all input elements of type reset.<\/li>\n
- :button<\/a><\/strong>\u00a0Matches all button elements and input elements of type button.<\/li>\n
- :file<\/a><\/strong>\u00a0Matches all input elements of type file.<\/li>\n
- :hidden<\/a><\/strong>\u00a0Matches all elements that are hidden, or input elements of type “hidden”.
\nForm Filters<\/h2>\n<\/li>\n
- :enabled<\/a><\/strong>\u00a0Matches all elements that are enabled.<\/li>\n
- :disabled<\/a><\/strong>\u00a0Matches all elements that are disabled.<\/li>\n
- :checked<\/a><\/strong>\u00a0Matches all elements that are checked.<\/li>\n
- :selected<\/a><\/strong>\u00a0Matches all elements that are selected.<\/li>\n<\/ul>\n
<\/p>\n
\u5143\u7d20\u5c5e\u6027\/Attributes<\/span><\/p>\npq('a')->attr('href', 'newVal')->removeClass('className')->html('newHtml')->...<\/pre>\n\n- \n
Attr<\/h2>\n<\/li>\n
- attr<\/a><\/strong>($name)<\/a>\u00a0Access a property on the first matched element. This method makes it easy to retrieve a property value from the first matched element. If the element does not have an attribute with such a name, undefined is returned.<\/li>\n
- attr<\/a><\/strong>($properties)<\/a>\u00a0Set a key\/value object as properties to all matched elements.<\/li>\n
- attr<\/a><\/strong>($key, $value)<\/a>\u00a0Set a single property to a value, on all matched elements.<\/li>\n
- attr<\/a><\/strong>($key, $fn)<\/a>\u00a0Set a single property to a computed value, on all matched elements.<\/li>\n
- removeAttr<\/a><\/strong>($name)<\/a>\u00a0Remove an attribute from each of the matched elements.
\nClass<\/h2>\n<\/li>\n
- addClass<\/a><\/strong>($class)<\/a>\u00a0Adds the specified class(es) to each of the set of matched elements.<\/li>\n
- hasClass<\/a><\/strong>($class)<\/a>\u00a0Returns true if the specified class is present on at least one of the set of matched elements.<\/li>\n
- removeClass<\/a><\/strong>($class)<\/a>\u00a0Removes all or the specified class(es) from the set of matched elements.<\/li>\n
- toggleClass<\/a><\/strong>($class)<\/a>\u00a0Adds the specified class if it is not present, removes the specified class if it is present.
\nHTML<\/h2>\n<\/li>\n
- html<\/a><\/strong>()<\/a>\u00a0Get the html contents (innerHTML) of the first matched element. This property is not available on XML documents (although it will work for XHTML documents).<\/li>\n
- html<\/a><\/strong>($val)<\/a>\u00a0Set the html contents of every matched element. This property is not available on XML documents (although it will work for XHTML documents).
\nText<\/h2>\n<\/li>\n
- text<\/a><\/strong>()<\/a>\u00a0Get the combined text contents of all matched elements.<\/li>\n
- text<\/a><\/strong>($val)<\/a>\u00a0Set the text contents of all matched elements.
\nValue<\/h2>\n<\/li>\n
- val<\/a><\/strong>()<\/a>\u00a0Get the content of the value attribute of the first matched element.<\/li>\n
- val<\/a><\/strong>($val)<\/a>\u00a0Set the value attribute of every matched element.<\/li>\n
- val<\/a><\/strong>($val)<\/a>\u00a0Checks, or selects, all the radio buttons, checkboxes, and select options that match the set of values.<\/li>\n<\/ul>\n
<\/p>\n
\u8fc7\u6ee4\u5668\/\u67e5\u627e\u540e\u4ee3\u5143\u7d20Traversing<\/span><\/p>\npq('div > p')->add('div > ul')->filter(':has(a)')->find('p:first')->nextAll()->andSelf()->...<\/pre>\n\n- \n
Filtering<\/h2>\n<\/li>\n
- eq<\/a><\/strong>($index)<\/a>\u00a0Reduce the set of matched elements to a single element.<\/li>\n
- hasClass<\/a><\/strong>($class)<\/a>\u00a0Checks the current selection against a class and returns true, if at least one element of the selection has the given class.<\/li>\n
- filter<\/a><\/strong>($expr)<\/a>\u00a0Removes all elements from the set of matched elements that do not match the specified expression(s).<\/li>\n
- filter<\/a><\/strong>($fn)<\/a>\u00a0Removes all elements from the set of matched elements that does not match the specified function.<\/li>\n
- is<\/a><\/strong>($expr)<\/a>\u00a0Checks the current selection against an expression and returns true, if at least one element of the selection fits the given expression.<\/li>\n
- map<\/a><\/strong>($callback)<\/a>\u00a0Translate a set of elements in the jQuery object into another set of values in an array (which may, or may not, be elements).<\/li>\n
- not<\/a><\/strong>($expr)<\/a>\u00a0Removes elements matching the specified expression from the set of matched elements.<\/li>\n
- slice<\/a><\/strong>($start, $end)<\/a>\u00a0Selects a subset of the matched elements.
\nFinding<\/h2>\n<\/li>\n
- add<\/a><\/strong>($expr)<\/a>\u00a0Adds more elements, matched by the given expression, to the set of matched elements.<\/li>\n
- children<\/a><\/strong>($expr)<\/a>\u00a0Get a set of elements containing all of the unique immediate children of each of the matched set of elements.<\/li>\n
- contents<\/a><\/strong>()<\/a>\u00a0Find all the child nodes inside the matched elements (including text nodes), or the content document, if the element is an iframe.<\/li>\n
- find<\/a><\/strong>($expr)<\/a>\u00a0Searches for all elements that match the specified expression. This method is a good way to find additional descendant elements with which to process.<\/li>\n
- next<\/a><\/strong>($expr)<\/a>\u00a0Get a set of elements containing the unique next siblings of each of the given set of elements.<\/li>\n