<!DOCTYPE HTML> <html> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8"> <title>jQuery星级评分插件DEMO演示</title> <style type="text/css"> *{margin:0;padding:0;list-style-type:none;} a,img{border:0;} body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";} p{margin:20px 0 10px 0;} </style> </head> <body> <div style="400px;margin:50px auto;"> <p style="font-size:20px">请给出你的评分(百分制)：</p> <div id="star1"></div> <div id="result1"></div> <p style="font-size:20px">请给出你的评分(十分制)：</p> <div id="star2"></div> <div id="result2"></div> </div> </body> </html> <script src="js/jquery-1.5.1.js" type="text/javascript"></script> <script src="js/jquery.raty.js" type="text/javascript"></script> <script type="text/javascript"> rat('star1','result1',10); rat('star2','result2',1); function rat(star,result,m){ star= '#' + star; result= '#' + result; $(result).show();//将结果DIV隐藏 $(star).raty({ hints: ['10','20', '30', '40', '50','60', '70', '80', '90', '100'], path: "css/img", starOff: 'star-off-big.png', starOn: 'star-on-big.png', size: 24, start: 40, showHalf: true, target: result, targetKeep : true,//targetKeep 属性设置为true，用户的选择值才会被保持在目标DIV中，否则只是鼠标悬停时有值，而鼠标离开后这个值就会消失 click: function (score, evt) { //第一种方式：直接取值 alert('你的评分是'+score*m+'分'); } }); /*第二种方式可以设置一个隐蔽的HTML元素来保存用户的选择值，然后可以在脚本里面通过jQuery选中这个元素来处理该值。 弹出结果 var text = $(result).text(); $('img').click(function () { if ($(result).text() != text) { alert('你的评分是'+$(result).text()/m+'分'); alert(result); return; } });*/ } </script>
JS插件
/*! * jQuery Raty - A Star Rating Plugin - http://wbotelhos.com/raty * ------------------------------------------------------------------- * * jQuery Raty is a plugin that generates a customizable star rating. * * Licensed under The MIT License * * @version 2.4.5 * @since 2010.06.11 * @author Washington Botelho * @documentation wbotelhos.com/raty * @twitter twitter.com/wbotelhos * * Usage: * ------------------------------------------------------------------- * $('#star').raty(); * * <div id="star"></div> * */ ;(function($) { var methods = { init: function(settings) { return this.each(function() { var self = this, $this = $(self).empty(); self.opt = $.extend(true, {}, $.fn.raty.defaults, settings); $this.data('settings', self.opt); self.opt.number = methods.between(self.opt.number, 0, 20); if (self.opt.path.substring(self.opt.path.length - 1, self.opt.path.length) != '/') { self.opt.path += '/'; } if (typeof self.opt.score == 'function') { self.opt.score = self.opt.score.call(self); } if (self.opt.score) { self.opt.score = methods.between(self.opt.score, 0, self.opt.number); } for (var i = 1; i <= self.opt.number; i++) { $('<img />', { src : self.opt.path + ((!self.opt.score || self.opt.score < i) ? self.opt.starOff : self.opt.starOn), alt : i, title : (i <= self.opt.hints.length && self.opt.hints[i - 1] !== null) ? self.opt.hints[i - 1] : i }).appendTo(self); if (self.opt.space) { $this.append((i < self.opt.number) ? ' ' : ''); } } self.stars = $this.children('img:not(".raty-cancel")'); self.score = $('<input />', { type: 'hidden', name: self.opt.scoreName }).appendTo(self); if (self.opt.score && self.opt.score > 0) { self.score.val(self.opt.score); methods.roundStar.call(self, self.opt.score); } if (self.opt.iconRange) { methods.fill.call(self, self.opt.score); } methods.setTarget.call(self, self.opt.score, self.opt.targetKeep); var space = self.opt.space ? 4 : 0, width = self.opt.width || (self.opt.number * self.opt.size + self.opt.number * space); if (self.opt.cancel) { self.cancel = $('<img />', { src: self.opt.path + self.opt.cancelOff, alt: 'x', title: self.opt.cancelHint, 'class': 'raty-cancel' }); if (self.opt.cancelPlace == 'left') { $this.prepend(' ').prepend(self.cancel); } else { $this.append(' ').append(self.cancel); } width += (self.opt.size + space); } if (self.opt.readOnly) { methods.fixHint.call(self); if (self.cancel) { self.cancel.hide(); } } else { $this.css('cursor', 'pointer'); methods.bindAction.call(self); } $this.css('width', width); }); }, between: function(value, min, max) { return Math.min(Math.max(parseFloat(value), min), max); }, bindAction: function() { var self = this, $this = $(self); $this.mouseleave(function() { var score = self.score.val() || undefined; methods.initialize.call(self, score); methods.setTarget.call(self, score, self.opt.targetKeep); if (self.opt.mouseover) { self.opt.mouseover.call(self, score); } }); var action = self.opt.half ? 'mousemove' : 'mouseover'; if (self.opt.cancel) { self.cancel.mouseenter(function() { $(this).attr('src', self.opt.path + self.opt.cancelOn); self.stars.attr('src', self.opt.path + self.opt.starOff); methods.setTarget.call(self, null, true); if (self.opt.mouseover) { self.opt.mouseover.call(self, null); } }).mouseleave(function() { $(this).attr('src', self.opt.path + self.opt.cancelOff); if (self.opt.mouseover) { self.opt.mouseover.call(self, self.score.val() || null); } }).click(function(evt) { self.score.removeAttr('value'); if (self.opt.click) { self.opt.click.call(self, null, evt); } }); } self.stars.bind(action, function(evt) { var value = parseInt(this.alt, 10); if (self.opt.half) { var position = parseFloat((evt.pageX - $(this).offset().left) / self.opt.size), diff = (position > .5) ? 1 : .5; value = parseFloat(this.alt) - 1 + diff; methods.fill.call(self, value); if (self.opt.precision) { value = value - diff + position; } methods.showHalf.call(self, value); } else { methods.fill.call(self, value); } $this.data('score', value); methods.setTarget.call(self, value, true); if (self.opt.mouseover) { self.opt.mouseover.call(self, value, evt); } }).click(function(evt) { self.score.val((self.opt.half || self.opt.precision) ? $this.data('score') : this.alt); if (self.opt.click) { self.opt.click.call(self, self.score.val(), evt); } }); }, cancel: function(isClick) { return $(this).each(function() { var self = this, $this = $(self); if ($this.data('readonly') === true) { return this; } if (isClick) { methods.click.call(self, null); } else { methods.score.call(self, null); } self.score.removeAttr('value'); }); }, click: function(score) { return $(this).each(function() { if ($(this).data('readonly') === true) { return this; } methods.initialize.call(this, score); if (this.opt.click) { this.opt.click.call(this, score); } else { methods.error.call(this, 'you must add the "click: function(score, evt) { }" callback.'); } methods.setTarget.call(this, score, true); }); }, error: function(message) { $(this).html(message); $.error(message); }, fill: function(score) { var self = this, number = self.stars.length, count = 0, $star , star , icon ; for (var i = 1; i <= number; i++) { $star = self.stars.eq(i - 1); if (self.opt.iconRange && self.opt.iconRange.length > count) { star = self.opt.iconRange[count]; if (self.opt.single) { icon = (i == score) ? (star.on || self.opt.starOn) : (star.off || self.opt.starOff); } else { icon = (i <= score) ? (star.on || self.opt.starOn) : (star.off || self.opt.starOff); } if (i <= star.range) { $star.attr('src', self.opt.path + icon); } if (i == star.range) { count++; } } else { if (self.opt.single) { icon = (i == score) ? self.opt.starOn : self.opt.starOff; } else { icon = (i <= score) ? self.opt.starOn : self.opt.starOff; } $star.attr('src', self.opt.path + icon); } } }, fixHint: function() { var $this = $(this), score = parseInt(this.score.val(), 10), hint = this.opt.noRatedMsg; if (!isNaN(score) && score > 0) { hint = (score <= this.opt.hints.length && this.opt.hints[score - 1] !== null) ? this.opt.hints[score - 1] : score; } $this.data('readonly', true).css('cursor', 'default').attr('title', hint); this.score.attr('readonly', 'readonly'); this.stars.attr('title', hint); }, getScore: function() { var score = [], value ; $(this).each(function() { value = this.score.val(); score.push(value ? parseFloat(value) : undefined); }); return (score.length > 1) ? score : score[0]; }, readOnly: function(isReadOnly) { return this.each(function() { var $this = $(this); if ($this.data('readonly') === isReadOnly) { return this; } if (this.cancel) { if (isReadOnly) { this.cancel.hide(); } else { this.cancel.show(); } } if (isReadOnly) { $this.unbind(); $this.children('img').unbind(); methods.fixHint.call(this); } else { methods.bindAction.call(this); methods.unfixHint.call(this); } $this.data('readonly', isReadOnly); }); }, reload: function() { return methods.set.call(this, {}); }, roundStar: function(score) { var diff = (score - Math.floor(score)).toFixed(2); if (diff > this.opt.round.down) { var icon = this.opt.starOn; // Full up: [x.76 .. x.99] if (diff < this.opt.round.up && this.opt.halfShow) { // Half: [x.26 .. x.75] icon = this.opt.starHalf; } else if (diff < this.opt.round.full) { // Full down: [x.00 .. x.5] icon = this.opt.starOff; } this.stars.eq(Math.ceil(score) - 1).attr('src', this.opt.path + icon); } // Full down: [x.00 .. x.25] }, score: function() { return arguments.length ? methods.setScore.apply(this, arguments) : methods.getScore.call(this); }, set: function(settings) { this.each(function() { var $this = $(this), actual = $this.data('settings'), clone = $this.clone().removeAttr('style').insertBefore($this); $this.remove(); clone.raty($.extend(actual, settings)); }); return $(this.selector); }, setScore: function(score) { return $(this).each(function() { if ($(this).data('readonly') === true) { return this; } methods.initialize.call(this, score); methods.setTarget.call(this, score, true); }); }, setTarget: function(value, isKeep) { if (this.opt.target) { var $target = $(this.opt.target); if ($target.length == 0) { methods.error.call(this, 'target selector invalid or missing!'); } var score = value; if (!isKeep || score === undefined) { score = this.opt.targetText; } else { if (this.opt.targetType == 'hint') { score = (score === null && this.opt.cancel) ? this.opt.cancelHint : this.opt.hints[Math.ceil(score - 1)]; } else { score = this.opt.precision ? parseFloat(score).toFixed(1) : parseInt(score, 10); } } if (this.opt.targetFormat.indexOf('{score}') < 0) { methods.error.call(this, 'template "{score}" missing!'); } if (value !== null) { score = this.opt.targetFormat.toString().replace('{score}', score); } if ($target.is(':input')) { $target.val(score); } else { $target.html(score); } } }, showHalf: function(score) { var diff = (score - Math.floor(score)).toFixed(1); if (diff > 0 && diff < .6) { this.stars.eq(Math.ceil(score) - 1).attr('src', this.opt.path + this.opt.starHalf); } }, initialize: function(score) { score = !score ? 0 : methods.between(score, 0, this.opt.number); methods.fill.call(this, score); if (score > 0) { if (this.opt.halfShow) { methods.roundStar.call(this, score); } this.score.val(score); } }, unfixHint: function() { for (var i = 0; i < this.opt.number; i++) { this.stars.eq(i).attr('title', (i < this.opt.hints.length && this.opt.hints[i] !== null) ? this.opt.hints[i] : i); } $(this).data('readonly', false).css('cursor', 'pointer').removeAttr('title'); this.score.attr('readonly', 'readonly'); } }; $.fn.raty = function(method) { if (methods[method]) { return methods[method].apply(this, Array.prototype.slice.call(arguments, 1)); } else if (typeof method === 'object' || !method) { return methods.init.apply(this, arguments); } else { $.error('Method ' + method + ' does not exist!'); } }; $.fn.raty.defaults = { cancel : false, cancelHint : 'cancel this rating!', cancelOff : 'cancel-off.png', cancelOn : 'cancel-on.png', cancelPlace : 'left', click : undefined, half : false, halfShow : true, hints : ['10', '20', '30', '40', '50', '60', '70', '80', '90', '100' ], iconRange : undefined, mouseover : undefined, noRatedMsg : 'not rated yet', number : 10, path : 'img/', precision : false, round : { down: .25, full: .6, up: .76 }, readOnly : false, score : undefined, scoreName : 'score', single : false, size : 16, space : true, starHalf : 'star-half.png', starOff : 'star-off.png', starOn : 'star-on.png', target : undefined, targetFormat : '{score}', targetKeep : false, targetText : '', targetType : 'hint', width : undefined }; })(jQuery);