December 21, 2015
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Bootstrap3 价格滑动块 price range bootstrap-slider

By  Javascript /Jquery / React / Bootstrap / Web  1 Comment

实例：

HTML

<input type="text" class="span2" value="" data-slider-min="0" data-slider-max="255" data-slider-step="1" data-slider-value="128" data-slider-id="GC" id="G" data-slider-tooltip="hide" data-slider-handle="round" >

CSS

/*!
 * Slider for Bootstrap
 *
 * Copyright 2012 Stefan Petre
 * Licensed under the Apache License v2.0
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 */
.slider {
  display: inline-block;
  vertical-align: middle;
  position: relative;
}
.slider.slider-horizontal {
  width: 210px;
  height: 20px;
}
.slider.slider-horizontal .slider-track {
  height: 10px;
  width: 100%;
  margin-top: -5px;
  top: 50%;
  left: 0;
}
.slider.slider-horizontal .slider-selection {
  height: 100%;
  top: 0;
  bottom: 0;
}
.slider.slider-horizontal .slider-handle {
  margin-left: -10px;
  margin-top: -5px;
}
.slider.slider-horizontal .slider-handle.triangle {
  border-width: 0 10px 10px 10px;
  width: 0;
  height: 0;
  border-bottom-color: #0480be;
  margin-top: 0;
}
.slider.slider-vertical {
  height: 210px;
  width: 20px;
}
.slider.slider-vertical .slider-track {
  width: 10px;
  height: 100%;
  margin-left: -5px;
  left: 50%;
  top: 0;
}
.slider.slider-vertical .slider-selection {
  width: 100%;
  left: 0;
  top: 0;
  bottom: 0;
}
.slider.slider-vertical .slider-handle {
  margin-left: -5px;
  margin-top: -10px;
}
.slider.slider-vertical .slider-handle.triangle {
  border-width: 10px 0 10px 10px;
  width: 1px;
  height: 1px;
  border-left-color: #0480be;
  margin-left: 0;
}
.slider input {
  display: none;
}
.slider .tooltip-inner {
  white-space: nowrap;
}
.slider-track {
  position: absolute;
  cursor: pointer;
  background-color: #f7f7f7;
  background-image: -moz-linear-gradient(top, #f5f5f5, #f9f9f9);
  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f5f5f5), to(#f9f9f9));
  background-image: -webkit-linear-gradient(top, #f5f5f5, #f9f9f9);
  background-image: -o-linear-gradient(top, #f5f5f5, #f9f9f9);
  background-image: linear-gradient(to bottom, #f5f5f5, #f9f9f9);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#fff9f9f9', GradientType=0);
  -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
  -moz-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
}
.slider-selection {
  position: absolute;
  background-color: #f7f7f7;
  background-image: -moz-linear-gradient(top, #f9f9f9, #f5f5f5);
  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f9f9f9), to(#f5f5f5));
  background-image: -webkit-linear-gradient(top, #f9f9f9, #f5f5f5);
  background-image: -o-linear-gradient(top, #f9f9f9, #f5f5f5);
  background-image: linear-gradient(to bottom, #f9f9f9, #f5f5f5);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff9f9f9', endColorstr='#fff5f5f5', GradientType=0);
  -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  -moz-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
}
.slider-handle {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: #0e90d2;
  background-image: -moz-linear-gradient(top, #149bdf, #0480be);
  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#149bdf), to(#0480be));
  background-image: -webkit-linear-gradient(top, #149bdf, #0480be);
  background-image: -o-linear-gradient(top, #149bdf, #0480be);
  background-image: linear-gradient(to bottom, #149bdf, #0480be);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff149bdf', endColorstr='#ff0480be', GradientType=0);
  -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  -moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  opacity: 0.8;
  border: 0px solid transparent;
}
.slider-handle.round {
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  border-radius: 20px;
}
.slider-handle.triangle {
  background: transparent none;
}

JAVASCRIPT

/* =========================================================
 * bootstrap-slider.js v2.0.0
 * http://www.eyecon.ro/bootstrap-slider
 * =========================================================
 * Copyright 2012 Stefan Petre
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ========================================================= */
 
!function( $ ) {

	var Slider = function(element, options) {
		this.element = $(element);
		this.picker = $('<div class="slider">'+
							'<div class="slider-track">'+
								'<div class="slider-selection"></div>'+
								'<div class="slider-handle"></div>'+
								'<div class="slider-handle"></div>'+
							'</div>'+
							'<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'+
						'</div>')
							.insertBefore(this.element)
							.append(this.element);
		this.id = this.element.data('slider-id')||options.id;
		if (this.id) {
			this.picker[0].id = this.id;
		}

		if (typeof Modernizr !== 'undefined' && Modernizr.touch) {
			this.touchCapable = true;
		}

		var tooltip = this.element.data('slider-tooltip')||options.tooltip;

		this.tooltip = this.picker.find('.tooltip');
		this.tooltipInner = this.tooltip.find('div.tooltip-inner');

		this.orientation = this.element.data('slider-orientation')||options.orientation;
		switch(this.orientation) {
			case 'vertical':
				this.picker.addClass('slider-vertical');
				this.stylePos = 'top';
				this.mousePos = 'pageY';
				this.sizePos = 'offsetHeight';
				this.tooltip.addClass('right')[0].style.left = '100%';
				break;
			default:
				this.picker
					.addClass('slider-horizontal')
					.css('width', this.element.outerWidth());
				this.orientation = 'horizontal';
				this.stylePos = 'left';
				this.mousePos = 'pageX';
				this.sizePos = 'offsetWidth';
				this.tooltip.addClass('top')[0].style.top = -this.tooltip.outerHeight() - 14 + 'px';
				break;
		}

		this.min = this.element.data('slider-min')||options.min;
		this.max = this.element.data('slider-max')||options.max;
		this.step = this.element.data('slider-step')||options.step;
		this.value = this.element.data('slider-value')||options.value;
		if (this.value[1]) {
			this.range = true;
		}

		this.selection = this.element.data('slider-selection')||options.selection;
		this.selectionEl = this.picker.find('.slider-selection');
		if (this.selection === 'none') {
			this.selectionEl.addClass('hide');
		}
		this.selectionElStyle = this.selectionEl[0].style;


		this.handle1 = this.picker.find('.slider-handle:first');
		this.handle1Stype = this.handle1[0].style;
		this.handle2 = this.picker.find('.slider-handle:last');
		this.handle2Stype = this.handle2[0].style;

		var handle = this.element.data('slider-handle')||options.handle;
		switch(handle) {
			case 'round':
				this.handle1.addClass('round');
				this.handle2.addClass('round');
				break
			case 'triangle':
				this.handle1.addClass('triangle');
				this.handle2.addClass('triangle');
				break
		}

		if (this.range) {
			this.value[0] = Math.max(this.min, Math.min(this.max, this.value[0]));
			this.value[1] = Math.max(this.min, Math.min(this.max, this.value[1]));
		} else {
			this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
			this.handle2.addClass('hide');
			if (this.selection == 'after') {
				this.value[1] = this.max;
			} else {
				this.value[1] = this.min;
			}
		}
		this.diff = this.max - this.min;
		this.percentage = [
			(this.value[0]-this.min)*100/this.diff,
			(this.value[1]-this.min)*100/this.diff,
			this.step*100/this.diff
		];

		this.offset = this.picker.offset();
		this.size = this.picker[0][this.sizePos];

		this.formater = options.formater;

		this.layout();

		if (this.touchCapable) {
			// Touch: Bind touch events:
			this.picker.on({
				touchstart: $.proxy(this.mousedown, this)
			});
		} else {
			this.picker.on({
				mousedown: $.proxy(this.mousedown, this)
			});
		}

		if (tooltip === 'show') {
			this.picker.on({
				mouseenter: $.proxy(this.showTooltip, this),
				mouseleave: $.proxy(this.hideTooltip, this)
			});
		} else {
			this.tooltip.addClass('hide');
		}
	};

	Slider.prototype = {
		constructor: Slider,

		over: false,
		inDrag: false,
		
		showTooltip: function(){
			this.tooltip.addClass('in');
			//var left = Math.round(this.percent*this.width);
			//this.tooltip.css('left', left - this.tooltip.outerWidth()/2);
			this.over = true;
		},
		
		hideTooltip: function(){
			if (this.inDrag === false) {
				this.tooltip.removeClass('in');
			}
			this.over = false;
		},

		layout: function(){
			this.handle1Stype[this.stylePos] = this.percentage[0]+'%';
			this.handle2Stype[this.stylePos] = this.percentage[1]+'%';
			if (this.orientation == 'vertical') {
				this.selectionElStyle.top = Math.min(this.percentage[0], this.percentage[1]) +'%';
				this.selectionElStyle.height = Math.abs(this.percentage[0] - this.percentage[1]) +'%';
			} else {
				this.selectionElStyle.left = Math.min(this.percentage[0], this.percentage[1]) +'%';
				this.selectionElStyle.width = Math.abs(this.percentage[0] - this.percentage[1]) +'%';
			}
			if (this.range) {
				this.tooltipInner.text(
					this.formater(this.value[0]) + 
					' : ' + 
					this.formater(this.value[1])
				);
				this.tooltip[0].style[this.stylePos] = this.size * (this.percentage[0] + (this.percentage[1] - this.percentage[0])/2)/100 - (this.orientation === 'vertical' ? this.tooltip.outerHeight()/2 : this.tooltip.outerWidth()/2) +'px';
			} else {
				this.tooltipInner.text(
					this.formater(this.value[0])
				);
				this.tooltip[0].style[this.stylePos] = this.size * this.percentage[0]/100 - (this.orientation === 'vertical' ? this.tooltip.outerHeight()/2 : this.tooltip.outerWidth()/2) +'px';
			}
		},

		mousedown: function(ev) {

			// Touch: Get the original event:
			if (this.touchCapable && ev.type === 'touchstart') {
				ev = ev.originalEvent;
			}

			this.offset = this.picker.offset();
			this.size = this.picker[0][this.sizePos];

			var percentage = this.getPercentage(ev);

			if (this.range) {
				var diff1 = Math.abs(this.percentage[0] - percentage);
				var diff2 = Math.abs(this.percentage[1] - percentage);
				this.dragged = (diff1 < diff2) ? 0 : 1;
			} else {
				this.dragged = 0;
			}

			this.percentage[this.dragged] = percentage;
			this.layout();

			if (this.touchCapable) {
				// Touch: Bind touch events:
				$(document).on({
					touchmove: $.proxy(this.mousemove, this),
					touchend: $.proxy(this.mouseup, this)
				});
			} else {
				$(document).on({
					mousemove: $.proxy(this.mousemove, this),
					mouseup: $.proxy(this.mouseup, this)
				});
			}

			this.inDrag = true;
			var val = this.calculateValue();
			this.element.trigger({
					type: 'slideStart',
					value: val
				}).trigger({
					type: 'slide',
					value: val
				});
			return false;
		},

		mousemove: function(ev) {
			
			// Touch: Get the original event:
			if (this.touchCapable && ev.type === 'touchmove') {
				ev = ev.originalEvent;
			}

			var percentage = this.getPercentage(ev);
			if (this.range) {
				if (this.dragged === 0 && this.percentage[1] < percentage) {
					this.percentage[0] = this.percentage[1];
					this.dragged = 1;
				} else if (this.dragged === 1 && this.percentage[0] > percentage) {
					this.percentage[1] = this.percentage[0];
					this.dragged = 0;
				}
			}
			this.percentage[this.dragged] = percentage;
			this.layout();
			var val = this.calculateValue();
			this.element
				.trigger({
					type: 'slide',
					value: val
				})
				.data('value', val)
				.prop('value', val);
			return false;
		},

		mouseup: function(ev) {
			if (this.touchCapable) {
				// Touch: Bind touch events:
				$(document).off({
					touchmove: this.mousemove,
					touchend: this.mouseup
				});
			} else {
				$(document).off({
					mousemove: this.mousemove,
					mouseup: this.mouseup
				});
			}

			this.inDrag = false;
			if (this.over == false) {
				this.hideTooltip();
			}
			this.element;
			var val = this.calculateValue();
			this.element
				.trigger({
					type: 'slideStop',
					value: val
				})
				.data('value', val)
				.prop('value', val);
			return false;
		},

		calculateValue: function() {
			var val;
			if (this.range) {
				val = [
					(this.min + Math.round((this.diff * this.percentage[0]/100)/this.step)*this.step),
					(this.min + Math.round((this.diff * this.percentage[1]/100)/this.step)*this.step)
				];
				this.value = val;
			} else {
				val = (this.min + Math.round((this.diff * this.percentage[0]/100)/this.step)*this.step);
				this.value = [val, this.value[1]];
			}
			return val;
		},

		getPercentage: function(ev) {
			if (this.touchCapable) {
				ev = ev.touches[0];
			}
			var percentage = (ev[this.mousePos] - this.offset[this.stylePos])*100/this.size;
			percentage = Math.round(percentage/this.percentage[2])*this.percentage[2];
			return Math.max(0, Math.min(100, percentage));
		},

		getValue: function() {
			if (this.range) {
				return this.value;
			}
			return this.value[0];
		},

		setValue: function(val) {
			this.value = val;

			if (this.range) {
				this.value[0] = Math.max(this.min, Math.min(this.max, this.value[0]));
				this.value[1] = Math.max(this.min, Math.min(this.max, this.value[1]));
			} else {
				this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
				this.handle2.addClass('hide');
				if (this.selection == 'after') {
					this.value[1] = this.max;
				} else {
					this.value[1] = this.min;
				}
			}
			this.diff = this.max - this.min;
			this.percentage = [
				(this.value[0]-this.min)*100/this.diff,
				(this.value[1]-this.min)*100/this.diff,
				this.step*100/this.diff
			];
			this.layout();
		}
	};

	$.fn.slider = function ( option, val ) {
		return this.each(function () {
			var $this = $(this),
				data = $this.data('slider'),
				options = typeof option === 'object' && option;
			if (!data)  {
				$this.data('slider', (data = new Slider(this, $.extend({}, $.fn.slider.defaults,options))));
			}
			if (typeof option == 'string') {
				data[option](val);
			}
		})
	};

	$.fn.slider.defaults = {
		min: 0,
		max: 10,
		step: 1,
		orientation: 'horizontal',
		value: 5,
		selection: 'before',
		tooltip: 'show',
		handle: 'round',
		formater: function(value) {
			return value;
		}
	};

	$.fn.slider.Constructor = Slider;

}( window.jQuery );

var originalVal;

$('.span2').slider().on('slideStart', function(ev){
    originalVal = $('.span2').data('slider').getValue();
});

$('.span2').slider().on('slideStop', function(ev){
    var newVal = $('.span2').data('slider').getValue();
    if(originalVal != newVal) {
        alert('Value Changed!');
    }
});

DEMO： HERE

实例源自：http://stackoverflow.com/a/21869493/602382

 

官网及更多实例：http://seiyria.com/bootstrap-slider/

项目地址：https://github.com/seiyria/bootstrap-slider

下载地址：bootstrap-slider-master

 

其他参考：Selection_044官网及更多实例：http://egorkhmelev.github.io/jslider/

项目地址：https://github.com/egorkhmelev/jslider

下载地址：jslider-master

 

更多参考:

Bootstrap 3 : 图片上传预览 image upload preview

Bootstrap 3 添加外部页面到弹出窗口Bootstrap 3 with remote Modal

Bootstrap 3: 图标转换事件 Change icons when toggle

 

本文：Bootstrap3 价格滑动块 price range bootstrap-slider

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