info-common.js
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/**
* 资讯相关API
* @author: xuqi<qi.xu@yoho.cn>
* @date: 2015/10/10
*/
let $ = require('yoho-jquery'),
Hammer = require('../common/toy-hammer'),
ellipsis = require('yoho-mlellipsis'),
lazyLoad = require('yoho-jquery-lazyload'),
Swiper = require('yoho-swiper2');
let tip = require('../plugin/tip');
let loading = require('../plugin/loading');
let $loadMoreInfo = $('#load-more-info');
let $loading = $(''),
$noMore = $(''),
$swiper = $('');
let searching = false;
let mySwiper = {};
let isLoading = false;
ellipsis.init();
if ($loadMoreInfo.length > 0) {
$loading = $loadMoreInfo.children('.loading');
$noMore = $loadMoreInfo.children('.no-more');
}
// 获取url中的参数
function getUrlParam(name) {
// 构造一个含有目标参数的正则表达式对象
let reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
// 匹配目标参数
let r = window.location.search.substr(1).match(reg);
// 返回参数值
if (r !== null) {
return r[2];
}
return null;
}
// 初始化swiper
function initSwiper(typeId) {
if (!typeId) {
return;
}
if (!mySwiper[typeId]) {
mySwiper[typeId] = new Swiper('.swiper-cont-' + typeId, {
lazyLoading: true,
wrapperClass: 'swiper-wrap-' + typeId,
pagination: '.swiper-pagi-' + typeId,
autoplay: 3000
});
}
}
/**
* 设置指定资讯项的Lazyload和文字截取
* @params $infos 资讯项
*/
function setLazyLoadAndMellipsis($infos) {
lazyLoad($infos.find('img.lazy'));
$infos.each(function() {
let $this = $(this),
$title = $this.find('.info-title'),
$text = $this.find('.info-text');
$title[0].mlellipsis(2);
$text[0].mlellipsis(2);
});
}
/**
* 初始化资讯列表事件绑定
* @params $container 逛资讯列表容器
*/
function initInfosEvt($container) {
let cHammer;
if (typeof $container === 'undefined') {
return;
}
if (typeof $container[0] === 'undefined') {
return;
}
cHammer = new Hammer($container[0]);
// 点赞或者收藏事件
cHammer.on('tap', function(e) {
let $this = $(e.target),
opt = 'ok',
$btn,
$info,
yhChannel;
e.preventDefault && e.preventDefault();
// 点赞
$btn = $this.closest('.like-btn');
if ($btn.length > 0 && !isLoading) {
if ($btn.hasClass('like')) {
opt = 'cancel';
}
$info = $this.closest('.guang-info');
isLoading = true;
$.ajax({
type: 'POST',
url: '/guang/opt/praiseArticle',
data: {
id: $info.data('id'),
opt: opt
},
success: function(data) {
let code = data.code;
if (code === 200) {
$btn.next('.like-count').text(data.data);
// 切换点赞状态
$btn.toggleClass('like');
}
},
error: function() {
tip.show('网络断开连接了~');
},
complete: function() {
isLoading = false;
}
});
return;
}
// APP收藏
$btn = $this.closest('.collect-btn');
if ($btn.length > 0) {
let uid = getUrlParam('uid');
if (uid) {
if ($btn.hasClass('collected')) {
opt = 'cancel';
}
$info = $this.closest('.guang-info');
if (getUrlParam('yh_channel')) {
yhChannel = getUrlParam('yh_channel');
}
$.ajax({
type: 'POST',
url: location.protocol + '//m.yohobuy.com/guang/opt/collectArticle',
data: {
id: $info.data('id'),
opt: opt,
yh_channel: yhChannel,
uid: uid
},
xhrFields: {
withCredentials: true
},
success: function(data) {
if (data.code && data.code === 200) {
// 切换收藏状态
$btn.toggleClass('collected');
} else {
tip.show(data.message);
}
},
error: function() {
tip.show('网络断开连接了~');
}
});
}
}
});
setLazyLoadAndMellipsis($container.find('.guang-info'));
}
/**
* 资讯LoadMore
* @param $container 资讯容器 jqyeryObject
* @param opt 请求参数
* @param url[可选], 扩展请求的url而不使用默认值
*/
function loadMore($container, opt, url) {
let num;
if (searching) {
return;
}
if (opt.end) {
return;
}
if (opt.page === 1) {
// 显示loading
loading.showLoadingMask();
}
opt.app_version = window.queryString.app_version || '';
num = $container.find('.guang-info').length;
searching = true;
$.ajax({
type: 'GET',
url: url ? url : '/guang/index/page', // 对于指定url的使用指定url(存在不同的控制器)
data: opt,
success: function(data) {
let $newItems;
if (data === '') {
opt.end = true;
searching = false;
//
$loading.addClass('hide');
$noMore.removeClass('hide');
return;
}
$container.append(data);
$swiper = $container.find('.swiper-container');
if ($swiper.length) {
$swiper.addClass('swiper-cont-' + opt.type);
$swiper.children('.swiper-wrapper').addClass('swiper-wrap-' + opt.type);
$swiper.children('.swiper-pagination').addClass('swiper-pagi-' + opt.type);
initSwiper(opt.type);
}
if (num > 0) {
$newItems = $container.find('.guang-info:gt(' + (num - 1) + ')');
} else {
$newItems = $container.find('.guang-info');
}
setLazyLoadAndMellipsis($newItems);
if (opt.page === 1) {
loading.hideLoadingMask();
$loading.removeClass('hide'); // 显示空屏加载时hide的隐藏
window.rePosFooter(); // 插入内容后重新计算底部位置
}
opt.page++;
searching = false;
delete opt.isTab;
},
error: function() {
console.log('error');
tip.show('网络断开连接了~');
searching = false;
delete opt.isTab;
}
});
}
exports.mySwiper = mySwiper;
exports.initSwiper = initSwiper;
exports.initInfosEvt = initInfosEvt;
exports.setLazyLoadAndMellipsis = setLazyLoadAndMellipsis;
exports.loadMore = loadMore;