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[Java教程]jQuery: jquery.json.js


http://api.jquery.com/jQuery.parseJSON/

http://www.json.org/json-zh.html

http://fineui.codeplex.com/SourceControl/latest

http://code.google.com/p/jquery-json/

https://github.com/Krinkle/jquery-json

jquery.json.js:

/** * jQuery JSON plugin v2.5.1 * https://github.com/Krinkle/jquery-json * * @author Brantley Harris, 2009-2011 * @author Timo Tijhof, 2011-2014 * @source This plugin is heavily influenced by MochiKit's serializeJSON, which is *     copyrighted 2005 by Bob Ippolito. * @source Brantley Harris wrote this plugin. It is based somewhat on the JSON.org *     website's http://www.json.org/json2.js, which proclaims: *     "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that *     I uphold. * @license MIT License <http://opensource.org/licenses/MIT> */(function ($) {	'use strict';	var escape = /["\\\x00-\x1f\x7f-\x9f]/g,		meta = {			'\b': '\\b',			'\t': '\\t',			'\n': '\\n',			'\f': '\\f',			'\r': '\\r',			'"': '\\"',			'\\': '\\\\'		},		hasOwn = Object.prototype.hasOwnProperty;	/**	 * jQuery.toJSON	 * Converts the given argument into a JSON representation.	 *	 * @param o {Mixed} The json-serializable *thing* to be converted	 *	 * If an object has a toJSON prototype, that will be used to get the representation.	 * Non-integer/string keys are skipped in the object, as are keys that point to a	 * function.	 *	 */	$.toJSON = typeof JSON === 'object' && JSON.stringify ? JSON.stringify : function (o) {		if (o === null) {			return 'null';		}		var pairs, k, name, val,			type = $.type(o);		if (type === 'undefined') {			return undefined;		}		// Also covers instantiated Number and Boolean objects,		// which are typeof 'object' but thanks to $.type, we		// catch them here. I don't know whether it is right		// or wrong that instantiated primitives are not		// exported to JSON as an {"object":..}.		// We choose this path because that's what the browsers did.		if (type === 'number' || type === 'boolean') {			return String(o);		}		if (type === 'string') {			return $.quoteString(o);		}		if (typeof o.toJSON === 'function') {			return $.toJSON(o.toJSON());		}		if (type === 'date') {			var month = o.getUTCMonth() + 1,				day = o.getUTCDate(),				year = o.getUTCFullYear(),				hours = o.getUTCHours(),				minutes = o.getUTCMinutes(),				seconds = o.getUTCSeconds(),				milli = o.getUTCMilliseconds();			if (month < 10) {				month = '0' + month;			}			if (day < 10) {				day = '0' + day;			}			if (hours < 10) {				hours = '0' + hours;			}			if (minutes < 10) {				minutes = '0' + minutes;			}			if (seconds < 10) {				seconds = '0' + seconds;			}			if (milli < 100) {				milli = '0' + milli;			}			if (milli < 10) {				milli = '0' + milli;			}			return '"' + year + '-' + month + '-' + day + 'T' +				hours + ':' + minutes + ':' + seconds +				'.' + milli + 'Z"';		}		pairs = [];		if ($.isArray(o)) {			for (k = 0; k < o.length; k++) {				pairs.push($.toJSON(o[k]) || 'null');			}			return '[' + pairs.join(',') + ']';		}		// Any other object (plain object, RegExp, ..)		// Need to do typeof instead of $.type, because we also		// want to catch non-plain objects.		if (typeof o === 'object') {			for (k in o) {				// Only include own properties,				// Filter out inherited prototypes				if (hasOwn.call(o, k)) {					// Keys must be numerical or string. Skip others					type = typeof k;					if (type === 'number') {						name = '"' + k + '"';					} else if (type === 'string') {						name = $.quoteString(k);					} else {						continue;					}					type = typeof o[k];					// Invalid values like these return undefined					// from toJSON, however those object members					// shouldn't be included in the JSON string at all.					if (type !== 'function' && type !== 'undefined') {						val = $.toJSON(o[k]);						pairs.push(name + ':' + val);					}				}			}			return '{' + pairs.join(',') + '}';		}	};	/**	 * jQuery.evalJSON	 * Evaluates a given json string.	 *	 * @param str {String}	 */	$.evalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {		/*jshint evil: true */		return eval('(' + str + ')');	};	/**	 * jQuery.secureEvalJSON	 * Evals JSON in a way that is *more* secure.	 *	 * @param str {String}	 */	$.secureEvalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {		var filtered =			str			.replace(/\\["\\\/bfnrtu]/g, '@')			.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')			.replace(/(?:^|:|,)(?:\s*\[)+/g, '');		if (/^[\],:{}\s]*$/.test(filtered)) {			/*jshint evil: true */			return eval('(' + str + ')');		}		throw new SyntaxError('Error parsing JSON, source is not valid.');	};	/**	 * jQuery.quoteString	 * Returns a string-repr of a string, escaping quotes intelligently.	 * Mostly a support function for toJSON.	 * Examples:	 * >>> jQuery.quoteString('apple')	 * "apple"	 *	 * >>> jQuery.quoteString('"Where are we going?", she asked.')	 * "\"Where are we going?\", she asked."	 */	$.quoteString = function (str) {		if (str.match(escape)) {			return '"' + str.replace(escape, function (a) {				var c = meta[a];				if (typeof c === 'string') {					return c;				}				c = a.charCodeAt();				return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);			}) + '"';		}		return '"' + str + '"';	};}(jQuery));

  test.json:

{ "one": "Singular sensation", "two": "Beady little eyes", "three": "Little birds pitch by my doorstep"}

 

<!DOCTYPE html><html lang="en" dir="ltr"><head>	<meta charset="utf-8">	<title>jQuery JSON Test Suite</title>	<link rel="stylesheet" href="../libs/qunitjs/qunit.css">	<script src="../libs/jquery/jquery.js"></script>	<script type="text/javascript">$.getJSON( "ajax/test.json", function( data ) { var items = []; $.each( data, function( key, val ) {  items.push( "<li id='" + key + "'>" + val + "</li>" ); });  $( "<ul/>", {  "class": "my-new-list",  html: items.join( "" ) }).appendTo( "body" );});</script></head><body></body></html>

  

 

<!DOCTYPE html><html lang="en" dir="ltr"><head>	<meta charset="utf-8">	<title>jQuery JSON Test Suite</title>	<link rel="stylesheet" href="../libs/qunitjs/qunit.css">	<script src="../libs/jquery/jquery.js"></script>	<script type="text/javascript">$.getJSON( "ajax/test.json", function( data ) { var items = []; $.each( data, function( key, val ) {  items.push( "<li id='" + key + "'>" + val + "</li>" ); });  $( "<ul/>", {  "class": "my-new-list",  html: items.join( "" ) }).appendTo( "#geovindu" );});</script></head><body><div id="geovindu"></div></body></html>