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https://gitee.com/coder-xiaomo/flashsale
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117 lines
3.4 KiB
JavaScript
117 lines
3.4 KiB
JavaScript
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/**
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* 定义全局JS函数
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*/
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//保存后禁用按钮,防止重复提交
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function Disabled($this,btn_text){
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$this.attr('disabled','disabled').text(btn_text).val(btn_text);
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}
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//设置按钮为可用状态
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function Enabled($this,btn_text){
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$this.removeAttr('disabled').empty().text(btn_text).val(btn_text);
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}
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//loading
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function Loading($this,bgColor){
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var $loading=$('<div class="loading">'+
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'<div class="loading1"></div>'+
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'<div class="loading2"></div>'+
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'<div class="loading3"></div>'+
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'</div>');
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$this.append($loading);
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arguments[1]&&arguments[1]!=''?$this.find('.loading div').css('background',bgColor):'';
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}
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/* 查看是否拥有该权限 */
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function hasAuth(DropDownArray,authList_array){
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var returnValue=[];
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for(var j=0;j<DropDownArray.length;j++){
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for(var i=0;i<authList_array.length;i++){
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/* 判断是否拥有该权限 */
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var flag = authList_array[i].module===DropDownArray[j].module &&
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authList_array[i].controller===DropDownArray[j].controller &&
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authList_array[i].action===DropDownArray[j].action &&
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authList_array[i].method===DropDownArray[j].method;
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if(flag){
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var returnValue_json={};
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returnValue_json.index=j;
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returnValue_json.menuItem=DropDownArray[j].menuItem;
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returnValue_json.link='/'+authList_array[i].controller+'/'+authList_array[i].action;
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returnValue.push(returnValue_json);
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break;
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}
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}
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}
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return returnValue;
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}
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//MODAL
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function ModalOperation(showModalElem){
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/* 显示Modal框 */
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showModalElem.click(function(){
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$('.modal,.modal-background').show();
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});
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/* 隐藏Modal框 */
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$(document).on('click','.modal-background,.modal-footer input[type="reset"],.modal .close-btn',function(){
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$('.input-area').val('');
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$('.modal,.modal-background').hide();
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});
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}
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//图片在容器居中显示
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function centerCropImg(url,$container){
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/* 取图片正中间部分 */
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var img=new Image();
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img.src=url;
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img.onload=function(){
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/* 容器宽高 */
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var containerHeight=$container.height(),containerWidth=$container.width();
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/* 容器比例 */
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var containerScale=containerWidth/containerHeight;
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/* 等比例缩放后图片宽高 */
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var imgHeight,imgWidth;
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/* 横图 */
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if(img.width/img.height>containerScale){
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imgWidth=img.width/img.height*containerHeight;
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var _left=(imgWidth-containerWidth)/2;
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$container.find('img').height(containerHeight).css({
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'left':'-'+_left+'px'
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});
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}
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/* 竖图 */
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else{
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imgHeight=img.height/img.width*containerWidth;
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var _top=(imgHeight-containerHeight)/2;
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$container.find('img').width(containerWidth).css({
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'top':'-'+_top+'px'
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});
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}
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}
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}
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//时间戳转换日期
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function timeStampToDateString(ts){
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var datetime=new Date(parseInt(ts)*1000);
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var year=datetime.getFullYear();
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var month=datetime.getMonth()+1;
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var date=datetime.getDate();
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var dateString=year+'-'+month+'-'+date;
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return dateString;
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}
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//JSON数组排序函数
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function getSortFun(order, sortBy) {
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var ordAlpah = (order == 'asc') ? '>' : '<';
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var sortFun = new Function('a', 'b', 'return a.' + sortBy + ordAlpah + 'b.' + sortBy + '?1:-1');
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return sortFun;
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}
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function lazyload(){
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var $unload=$('.shot-image .unload');
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for(var i=0;i<$unload.length;i++){
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var top=$(window).scrollTop(),height=$(window).height();
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/* 未加载的图片元素进入可视区域 */
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if(top+height>$unload.eq(i).offset().top){
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var url=$unload.eq(i).data('url');
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$unload.eq(i).removeClass('unload').addClass('loaded').attr('src',url).fadeIn(500);
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}
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}
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}
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