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jsasg
2024-10-29 14:04:59 +08:00
commit 48bf3e6f33
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117
public/frontend/m_weben/js/scroll/flexible.js Executable file
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;(function(win, lib) {
var doc = win.document;
var docEl = doc.documentElement;
var metaEl = doc.querySelector('meta[name="viewport"]');
var flexibleEl = doc.querySelector('meta[name="flexible"]');
var dpr = 0;
var scale = 0;
var tid;
var flexible = lib.flexible || (lib.flexible = {});
if (metaEl) {
console.warn('将根据已有的meta标签来设置缩放比例');
var match = metaEl.getAttribute('content').match(/initial\-scale=([\d\.]+)/);
if (match) {
scale = parseFloat(match[1]);
dpr = parseInt(1 / scale);
}
} else if (flexibleEl) {
var content = flexibleEl.getAttribute('content');
if (content) {
var initialDpr = content.match(/initial\-dpr=([\d\.]+)/);
var maximumDpr = content.match(/maximum\-dpr=([\d\.]+)/);
if (initialDpr) {
dpr = parseFloat(initialDpr[1]);
scale = parseFloat((1 / dpr).toFixed(2));
}
if (maximumDpr) {
dpr = parseFloat(maximumDpr[1]);
scale = parseFloat((1 / dpr).toFixed(2));
}
}
}
if (!dpr && !scale) {
var isAndroid = win.navigator.appVersion.match(/android/gi);
var isIPhone = win.navigator.appVersion.match(/iphone/gi);
var devicePixelRatio = win.devicePixelRatio;
if (isIPhone) {
// iOS下，对于2和3的屏，用2倍的方案，其余的用1倍方案
if (devicePixelRatio >= 3 && (!dpr || dpr >= 3)) {
dpr = 3;
} else if (devicePixelRatio >= 2 && (!dpr || dpr >= 2)){
dpr = 2;
} else {
dpr = 1;
}
} else {
// 其他设备下，仍旧使用1倍的方案
dpr = 1;
}
scale = 1 / dpr;
}
docEl.setAttribute('data-dpr', dpr);
if (!metaEl) {
metaEl = doc.createElement('meta');
metaEl.setAttribute('name', 'viewport');
metaEl.setAttribute('content', 'initial-scale=' + scale + ', maximum-scale=' + scale + ', minimum-scale=' + scale + ', user-scalable=no');
if (docEl.firstElementChild) {
docEl.firstElementChild.appendChild(metaEl);
} else {
var wrap = doc.createElement('div');
wrap.appendChild(metaEl);
doc.write(wrap.innerHTML);
}
}
function refreshRem(){
var width = docEl.getBoundingClientRect().width;
if (width / dpr > 768) {
width = 768 * dpr;
}
var rem = width / 10;
docEl.style.fontSize = rem + 'px';
flexible.rem = win.rem = rem;
}
win.addEventListener('resize', function() {
clearTimeout(tid);
tid = setTimeout(refreshRem, 300);
}, false);
win.addEventListener('pageshow', function(e) {
if (e.persisted) {
clearTimeout(tid);
tid = setTimeout(refreshRem, 300);
}
}, false);
if (doc.readyState === 'complete') {
doc.body.style.fontSize = 12 * dpr + 'px';
} else {
doc.addEventListener('DOMContentLoaded', function(e) {
doc.body.style.fontSize = 12 * dpr + 'px';
}, false);
}
refreshRem();
flexible.dpr = win.dpr = dpr;
flexible.refreshRem = refreshRem;
flexible.rem2px = function(d) {
var val = parseFloat(d) * this.rem;
if (typeof d === 'string' && d.match(/rem$/)) {
val += 'px';
}
return val;
}
flexible.px2rem = function(d) {
var val = parseFloat(d) / this.rem;
if (typeof d === 'string' && d.match(/px$/)) {
val += 'rem';
}
return val;
}
})(window, window['lib'] || (window['lib'] = {}));

2121
public/frontend/m_weben/js/scroll/iscroll.js Executable file
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public/frontend/m_weben/js/scroll/navbarscroll.js Executable file
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/*
* 移动端模拟导航可点击自动滑动 0.1.4
* Date: 2017-01-11
* by: xiewei
* 导航可左右滑动，可点击边缘的一个，自动滚动下一个到可视范围【依赖于iscroll.js】
*/
(function ($) {
$.fn.navbarscroll = function (options) {
//各种属性、参数
var _defaults = {
className:'cur', //当前选中点击元素的class类名
clickScrollTime:300, //点击后滑动时间
duibiScreenWidth:0.4, //单位以rem为准，默认为0.4rem
scrollerWidth:0, //单位以px为准，默认为3,[仅用于特殊情况：外层宽度因为小数点造成的不精准情况]
defaultSelect:0, //初始选中第n个，默认第0个
fingerClick:0, //目标第0或1个选项触发,必须每一项长度一致，方可用此项
endClickScroll:function(thisObj){}//回调函数
}
var _opt = $.extend(_defaults, options);
this.each(function () {
//插件实现代码
var _wrapper = $(this);
var _win = $(window);
var _win_width = _win.width(),_wrapper_width = _wrapper.width(),_wrapper_off_left = _wrapper.offset().left;
var _wrapper_off_right=_win_width-_wrapper_off_left-_wrapper_width;
var _obj_scroller = _wrapper.children('.scroller');
var _obj_ul = _obj_scroller.children('ul');
var _obj_li = _obj_ul.children('li');
var _scroller_w = 0;
_obj_li.css({"margin-left":"0","margin-right":"0"});
for (var i = 0; i < _obj_li.length; i++) {
_scroller_w += _obj_li[i].offsetWidth+_obj_li.length*2;
}
_obj_scroller.width(_scroller_w+_opt.scrollerWidth);
//alert( _scroller_w);
var myScroll = new IScroll('#'+_wrapper.attr('id'), {
eventPassthrough: true,
scrollX: true,
scrollY: false,
preventDefault: false
});
_init(_obj_li.eq(_opt.defaultSelect));
_obj_li.click(function(){
_init($(this));
});
//解决PC端谷歌浏览器模拟的手机屏幕出现莫名的卡顿现象，滑动时禁止默认事件（2017-01-11）
_wrapper[0].addEventListener('touchmove',function (e){e.preventDefault();},false);
function _init(thiObj){
var $this_obj=thiObj;
var duibi=_opt.duibiScreenWidth*_win_width/10,this_index=$this_obj.index(),this_off_left=$this_obj.offset().left,this_pos_left=$this_obj.position().left,this_width=$this_obj.width(),this_prev_width=$this_obj.prev('li').width(),this_next_width=$this_obj.next('li').width();
var this_off_right=_win_width-this_off_left-this_width;
if(_scroller_w+2>_wrapper_width){
if(_opt.fingerClick==1){
if(this_index==1){
myScroll.scrollTo(-this_pos_left+this_prev_width,0, _opt.clickScrollTime);
}else if(this_index==0){
myScroll.scrollTo(-this_pos_left,0, _opt.clickScrollTime);
}else if(this_index==_obj_li.length-2){
myScroll.scrollBy(this_off_right-_wrapper_off_right-this_width,0, _opt.clickScrollTime);
}else if(this_index==_obj_li.length-1){
myScroll.scrollBy(this_off_right-_wrapper_off_right,0, _opt.clickScrollTime);
}else{
if(this_off_left-_wrapper_off_left-(this_width*_opt.fingerClick)<duibi){
myScroll.scrollTo(-this_pos_left+this_prev_width+(this_width*_opt.fingerClick),0, _opt.clickScrollTime);
}else if(this_off_right-_wrapper_off_right-(this_width*_opt.fingerClick)<duibi){
myScroll.scrollBy(this_off_right-this_next_width-_wrapper_off_right-(this_width*_opt.fingerClick),0, _opt.clickScrollTime);
}
}
}else{
if(this_index==1){
myScroll.scrollTo(-this_pos_left+this_prev_width,0, _opt.clickScrollTime);
}else if(this_index==_obj_li.length-1){
if(this_off_right-_wrapper_off_right>1||this_off_right-_wrapper_off_right<-1){
myScroll.scrollBy(this_off_right-_wrapper_off_right,0, _opt.clickScrollTime);
}
}else{
if(this_off_left-_wrapper_off_left<duibi){
myScroll.scrollTo(-this_pos_left+this_prev_width,0, _opt.clickScrollTime);
}else if(this_off_right-_wrapper_off_right<duibi){
myScroll.scrollBy(this_off_right-this_next_width-_wrapper_off_right,0, _opt.clickScrollTime);
}
}
}
}
$this_obj.addClass(_opt.className).siblings('li').removeClass(_opt.className);
_opt.endClickScroll.call(this,$this_obj);
}
});
};
})(jQuery);