一. 效果图
二. 功能介绍
1. 支持横向移动
2. 支持点击Tab后该Tab居中
3. 拉到最左边和最右边后依然可以拉动，只是tabs的移动距离变小。
三. 使用说明
1. 在你的html中添加Tabs相关的代码。
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11<div class="analysis-tabs-title"> <ul> <li class="active" data-param="overview">综合分析</li> <li data-param="expected_profits">预期收益</li> <li data-param="bull_profits">追涨能力</li> <li data-param="profit_ranking">收益排名</li> <li data-param="bear_loss">抗跌能力</li> <li data-param="alpha">Alpha</li> <li data-param="sharpe">夏普比率</li> </ul> </div>
2. 在你的JS中添加调用插件的代码。
curShow: 当前选中的Tab的index。
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3$(".analysis-tabs-title").offsetSlider({ curShow: parseInt($('.analysis-tabs-title ul').find('.active').index()) });
3. 添加CSS样式
tabs数量不同，注意更改ul的width。
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29.analysis-tabs-title { overflow: hidden; border-top: 1px solid #f0f0f0; border-bottom: 1px solid #f0f0f0; } .analysis-tabs-title ul { width: 180%; display: -webkit-box; display: flex; display: -webkit-flex; -webkit-box-pack: justify; justify-content: space-between; -webkit-justify-content: space-between; } .analysis-tabs-title ul li { padding: 10px; text-align: center; display: block; } .analysis-tabs-title ul li:first-child { margin-left: 8px; } .analysis-tabs-title ul li:last-child { margin-right: 8px; } .analysis-tabs-title ul li.active { color: #8e6cd1; border-bottom: 2px solid #8e6cd1; }
4. JS源代码
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160'use strict'; (function($) { $.extend($.fn, { offsetSlider: function(obj) { this.each(function() { var $self = $(this); var dom = { "wrap": $self.find("ul"), "item": $self.find("li") }; var settings = { "len": dom.item.length, "maxOffset": $('body').width() - dom.wrap.width(), "distance": 50, "startX": 0, "startY": 0, "curShow": obj ? (obj.curShow ? obj.curShow : 0) : 0 }; var funs = { init: function() { funs.getWidthData(); funs.initUI(); if (settings.len > 1) { funs.bindEvent(); } }, getWidthData: function() { settings.itemWidth = []; settings.FirstLiOffsetLeft = 0; settings.LiDistance = 0; dom.item.each(function() { settings.itemWidth.push($(this)[0].offsetWidth); }); settings.FirstLiOffsetLeft = dom.item[0].offsetLeft; if (settings.itemWidth.length <= 1) return; settings.LiDistance = (dom.wrap.width() - 2 * settings.FirstLiOffsetLeft - eval(settings.itemWidth.join('+'))) / (settings.itemWidth.length - 1); }, updateOffset: function() { if (settings.itemWidth.length <= 1) { settings.currentOffset = settings.offset = 0; } else { settings.curShow = Math.min(settings.curShow, settings.itemWidth.length - 1); var allLiWidth = 0 for (var i = 0; i < settings.curShow; i++) { allLiWidth += settings.itemWidth[i]; } // leftOffSet + last (n-1) li width + (n-1) * lis distance + this li width / 2; var leftDistance = settings.FirstLiOffsetLeft + allLiWidth + settings.curShow * settings.LiDistance + settings.itemWidth[settings.curShow] / 2; var currentOffset = parseInt($(window).width() / 2 - leftDistance); if (currentOffset > 0) { settings.currentOffset = settings.offset = 0; } else if (currentOffset < settings.maxOffset) { settings.currentOffset = settings.offset = settings.maxOffset; } else { settings.currentOffset = settings.offset = currentOffset; } } dom.wrap.css("-webkit-transition", "-webkit-transform 0.5s ease-in-out") dom.wrap.css("-webkit-transform", "translate3d(" + settings.currentOffset + "px, 0, 0)"); }, initUI: function() { if (!settings.curShow) { settings.currentOffset = settings.offset = 0; dom.wrap.css("-webkit-transform", "translate3d(0, 0, 0)"); } else { funs.updateOffset(); } }, bindEvent: function() { dom.item.on({ "click": function(e) { e.stopPropagation(); settings.curShow = parseInt($(this).index()); funs.updateOffset(); } }); $self.off().on({ "touchstart": function(e) { e.stopPropagation(); settings.startX = e.touches ? e.touches[0].pageX : e.originalEvent.touches[0].pageX; settings.startY = e.touches ? e.touches[0].pageY : e.originalEvent.touches[0].pageY; }, "touchmove": function(e) { e.stopPropagation(); e.preventDefault(); var curX = e.touches ? e.touches[0].pageX : e.originalEvent.touches[0].pageX; var curY = e.touches ? e.touches[0].pageY : e.originalEvent.touches[0].pageY; var moveX = curX - settings.startX; var moveY = curY - settings.startY; if (Math.abs(moveY) > Math.abs(moveX)) { window.event.returnValue = true; } else { e.preventDefault(); } dom.wrap.css("-webkit-transition", "") var val = moveX + parseInt(settings.offset); if (val < settings.maxOffset) { if (Math.abs(val - settings.maxOffset) > settings.distance) { settings.currentOffset = -settings.distance / 2 + (val - settings.maxOffset + settings.distance) / 5 + settings.maxOffset; } else { settings.currentOffset = (val - settings.maxOffset) / 2 + settings.maxOffset; } } else if (val > 0) { if (val > settings.distance) { settings.currentOffset = (val - settings.distance) / 5 + settings.distance / 2; } else { settings.currentOffset = val / 2; } } else { settings.currentOffset = val; } dom.wrap.css("-webkit-transform", "translate3d(" + settings.currentOffset + "px, 0, 0)"); }, "touchend": function(e) { e.stopPropagation(); if (settings.currentOffset < settings.maxOffset) { dom.wrap.css("-webkit-transition", "-webkit-transform 0.5s ease-in-out") settings.currentOffset = settings.offset = settings.maxOffset; } else if (settings.currentOffset > 0) { dom.wrap.css("-webkit-transition", "-webkit-transform 0.5s ease-in-out") settings.currentOffset = settings.offset = 0; } else { settings.offset = settings.currentOffset; } dom.wrap.css("-webkit-transform", "translate3d(" + settings.currentOffset + "px, 0, 0)"); }, "webkitTransitionEnd": function(e) { e.stopPropagation(); e.preventDefault(); dom.wrap.css("-webkit-transition", "") if (settings.currentOffset < settings.maxOffset) { settings.currentOffset = settings.offset = settings.maxOffset; } else if (settings.currentOffset > 0) { settings.currentOffset = settings.offset = 0; } else { settings.offset = settings.currentOffset; } dom.wrap.css("-webkit-transform", "translate3d(" + settings.currentOffset + "px, 0, 0)"); } }); $(window).on({ "resize": function() { funs.adjustPos(); }, "orientationchange": function() { funs.adjustPos(); } }); }, adjustPos: function() { settings.maxOffset = $('body').width() - dom.wrap.width(); funs.getWidthData(); funs.initUI(); } }; funs.init(); }); } }); })(window.jQuery || window.Zepto);
转载于:https://www.cnblogs.com/ccblogs/p/5261292.html
最后
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