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Jquery's method of reading xml files to achieve provincial/municipal/county-level linkage

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Jquery's method of reading xml files to achieve provincial/municipal/county-level linkage

This example describes how jquery reads xml files to implement provincial/municipal/county-level linkage. Share it with you for your reference. The details are as follows:

The page code is as follows:

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<! Doctype html public "-// W3C // dtd html 4.01 Transitional // EN">

<Html>

<Head>

<Base href = "<% = basePath %>">

<Title> My JSP 'city. jsp 'starting page </title>

<Meta http-equiv = "pragma" content = "no-cache">

<Meta http-equiv = "cache-control" content = "no-cache">

<Meta http-equiv = "expires" content = "0">

<Meta http-equiv = "keywords" content = "keyword1, keyword2, keyword3">

<Meta http-equiv = "description" content = "This is my page">

<! --

<Link rel = "stylesheet" type = "text/css" href = "styles.css">

-->

<Script type = "text/javascript" src = "js/jquery-1.7.2.min.js"> </script>

<Script type = "text/javascript">

$ (Document). ready (function (){

// Save

$. Ajax ({url: "xml/City. xml ",

Success: function (xml ){

$ (Xml). find ("province"). each (function (){

Var t = $ (this). attr ("name"); // this->

$ ("# DropProvince"). append ("<option>" + t + "</option> ");

});

}

});

// City

$ ("# DropProvince"). change (function (){

$ ("# SCity> option"). remove ();

$ ("# SArea> option"). remove ();

Var pname = $ ("# DropProvince"). val ();

$. Ajax ({url: "xml/City. xml ",

Success: function (xml ){

/// Search for all the first-level child elements (that is, the city) under <province>)

$ (Xml). find ("province [name = '" + pname + "']> city"). each (function (){

Var city = $ (this). attr ("name"); // this->

$ ("# SCity"). append ("<option>" + city + "</option> ");

});

/// Search for all the first level child elements (that is, the region) under <city>)

Var cname = $ ("# sCity"). val ();

$ (Xml). find ("city [name = '" + cname + "']> area"). each (function (){

Var area = $ (this). attr ("name"); // this->

$ ("# SArea"). append ("<option>" + area + "</option> ");

});

}

});

});

// Zone

$ ("# SCity"). change (function (){

$ ("# SArea> option"). remove ();

Var cname = $ ("# sCity"). val ();

$. Ajax ({url: "xml/City. xml ",

Success: function (xml ){

/// Search for all the first level child elements (that is, the region) under <city>)

$ (Xml). find ("city [name = '" + cname + "']> area"). each (function (){

Var area = $ (this). attr ("name"); // this->

$ ("# SArea"). append ("<option>" + area + "</option> ");

});

}

});

});

});

</Script>

</Head>

<Body>

<Form id = "form1">

<Div>

<Select id = "DropProvince" style = "width: 100px;">

<Option> select </option>

</Select>

<Select id = "sCity" style = "width: 100px;">

<Option> select a city </option>

</Select>

<Select id = "sArea" style = "width: 100px;">

<Option> select a zone </option>

</Select>

</Div>

</Form>

</Body>

</Html>

As follows:

I hope this article will help you with jQuery programming.

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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