活动之整点秒杀功能优化

整点秒杀功能总结:

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var starttime1 = "2018/11/14 14:00",
endtime1 = "2018/11/15 14:00",

starttime7 = "2018/11/19 14:00",
endtime7 = "2018/11/20 14:00",
// 中 5~8 组(省略)

// 下 9~12 组(省略)

starttime22 = "2018/11/29 14:00",
endtime22 = "2018/11/30 14:00",

starttime23 = "2018/12/14 14:00",
endtime23 = "2018/12/15 14:00";
/**
* 获取 整点秒杀状态
*/
var getShopStatus = function () {
var statuShop = [];
$.ajax({
url: '//www.eeboard.com/wp-content/themes/eeboard/api/eeboardsix.php?act=shop_detail',
dataType: 'json',
cache: false,
async: false,
type: "GET",
success: function (data) {
var arr8 = data.data.eight;
// 整点秒杀状态
if (!arr8) {
arr8 = [false, false, false, false, false, false, false, false, false, false, false, false]
}
var d1over = arr8[0],
d2over = arr8[1],
d3over = arr8[2],
d4over = arr8[3],
d5over = arr8[4],
d6over = arr8[5],
d7over = arr8[6],
d8over = arr8[7],
d9over = arr8[8],
d10over = arr8[9],
d11over = arr8[10],
d12over = arr8[11];

statuShop = [
d1over, d1over, d2over, d2over, d3over, d3over, d4over,
d5over, d5over, d6over, d6over, d7over, d7over, d8over, d8over,
d9over, d9over, d10over, d10over, d11over, d11over, d12over, d12over
];

return statuShop;
},
error: function (error) {
// console.log('商城接口报错---');
// console.log(error);
}
});
return statuShop;
}
var shopStatusArr = getShopStatus();
/**
* 时间状态函数
*/
function timeStatus(start, end) {
var status = 'load',
nowTime = parseFloat(new Date().getTime()),
startTime = parseFloat((new Date(start)).getTime()),
endTime = parseFloat((new Date(end)).getTime()),
lastStartTime = parseFloat(startTime - nowTime),
lastEndTime = parseFloat(endTime - nowTime);

// 未开始
if (lastStartTime > 0) {
return status = 'load';
} else if (lastStartTime <= 0 && lastEndTime > 0) {
// 进行中
return status = 'start';
} else if (lastEndTime <= 0) {
// 已结束
return status = 'end';
}

}
/**
* 各个时间段状态切换函数
*/
function isTimeStartEvent() {
var timer;
var timersArr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23];
// 判断时间状态
$.each(timersArr, function (i, item) {
var start = eval('starttime' + item);
var end = eval('endtime' + item);
var status = timeStatus(start, end);

switchCaseEvent(item, status);

});
}

/*
* 秒杀时间监控:判断时间段函数
*/
function intervalStartEvent(start, end) {
var bigTimer;
var isClear = false;
var status = timeStatus(start, end);
// 时间截止,清除定时器
if (status === 'end') {
isClear = true;
}
if (isClear) {
clearTimeout(bigTimer);
} else {
bigTimer = setTimeout('intervalStartEvent(starttime1, endtime23);', 1000);
}
// 监控时间段函数
isTimeStartEvent();
}

/**
* 提示及button状态切换函数
*/
function switchCaseEvent(item, type) {
item = item || 1;
type = type || 'end';

switch (item) {
case 1:
case 2:
startAndEndEvent($('#qiangbtn1'), item, type);
break;
case 3:
case 4:
startAndEndEvent($('#qiangbtn2'), item, type);
break;
case 5:
case 6:
startAndEndEvent($('#qiangbtn3'), item, type);
break;
case 7:
startAndEndEvent($('#qiangbtn4'), item, type);
break;
case 8:
case 9:
startAndEndEvent($('#qiangbtn5'), item, type);
break;
case 10:
case 11:
startAndEndEvent($('#qiangbtn6'), item, type);
break;
case 12:
case 13:
startAndEndEvent($('#qiangbtn7'), item, type);
break;
case 14:
case 15:
startAndEndEvent($('#qiangbtn8'), item, type);
break;
case 16:
case 17:
startAndEndEvent($('#qiangbtn9'), item, type);
break;
case 18:
case 19:
startAndEndEvent($('#qiangbtn10'), item, type);
break;
case 20:
case 21:
startAndEndEvent($('#qiangbtn11'), item, type);
break;
case 22:
case 23:
startAndEndEvent($('#qiangbtn12'), item, type);
break;
default:
break;
}
}
/**
* 文字状态切换函数
*/
function startAndEndEvent(obj, item, type) {
if (!obj) return;
if (type === 'start') {
var status = shopStatusArr[item - 1];
if (status) {
$('#qiang-time0' + item).text('开始秒杀');
obj.removeClass('unclick').text('开始秒杀');
} else {
$('#qiang-time0' + item).text('已抢光').css('color', '#9b9b9b');
obj.addClass('unclick unclick-over').text('已抢光');
}
return false;
} else if (type === 'end') {
$('#qiang-time0' + item).text('已抢光').css('color', '#9b9b9b');
obj.addClass('unclick unclick-time').text('已抢光');
} else {
$('#qiang-time0' + item).text('即将开始');
// 两对时间段对应同一个按钮,判断本段时间是否截止,再开启另一段时间的状态
if (obj.hasClass('unclick-time')) {
obj.removeClass('unclick').text('即将开始');
}
}
}

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