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test.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js"></script>
<style>
.row_class {
display: flex;
justify-content: space-between;
flex-direction: column;
margin-right: 20px;
}
.rows_1 {
width: 500px;
display: flex;
}
.main {
display: flex;
}
#content .rows_1 .addDiscount {
display: none;
}
#content .rows_1 input {
width: 50px;
}
#content .rows_1:last-child .addDiscount {
display: initial;
}
.discount-price {
display: flex;
}
.customNumber {
display: inline-block;
}
</style>
</head>
<body>
<div>
<span>促销形式：</span>
<span
><input type="radio" name="radioType" id="radioID1" /><label
for="radioID1"
>折扣</label
></span
>
<span
><input type="radio" name="radioType" id="radioID2" /><label
for="radioID2"
>立减</label
></span
>
</div>
<div class="main">
<div id="content"></div>
</div>
<button id="dataButton">获取当前添加的值</button>
<script>
var temp1 = `
<div class="rows_1">
<div class="row_class">
<div>
连住天数
</div>
<div>
<select class="live_day">
<option value="2天">2天</option>
<option value="3天">3天</option>
<option value="4天">4天</option>
<option value="5天以上">5天以上</option>
</select>
</div>
</div>
<div class="row_class">
<div>
设置优惠
</div>
<div>
<select class="live_rebate">
<option value="7折">7折</option>
<option value="8折">8折</option>
<option value="8.8折">8.8折</option>
<option value="custom">自定义折扣</option>
</select>
<div class="customNumber" style="display:none;">
<input type="text" />
<span class="rule-percent">折</span>
</div>
</div>
</div>
<button class="deleteDiscount">删除</button>
<button class="addDiscount">添加</button>
</div>
`;
var temp2 = `
<div class="rows_1">
<div class="row_class">
<div>
连住天数
</div>
<div>
<select class="live_day">
<option value="dog">2天</option>
<option value="cat">3天</option>
<option value="hamster">4天</option>
<option value="parrot">5天以上</option>
</select>
</div>
</div>
<div class="row_class">
<div>
设置优惠
</div>
<div class="discount-price">
<input type="text" placeholder="建议立减55元以上" />
<span class="rule-percent">元</span>
</div>
</div>
<button class="deleteDiscount">删除</button>
<button class="addDiscount">添加</button>
</div>
`;
// 用来存储折扣或者立减的状态
var discountStore = null;
var standStore = null;
// 1 为折扣 2 为立减
var discountType = null;
// 点击折扣以后的效果
$("#radioID1").click(function() {
// radio从立减点到折扣，存储html, 如果不需要刻意去掉
if (discountType === 2) {
standStore = $content.html();
}
discountType = 1;
// 如果之前有寸就直接用
$content.html(discountStore || temp1);
});
// 点击立减以后的效果
$("#radioID2").click(function() {
// radio从折扣点到立减，存储html, 如果不需要刻意去掉
if (discountType === 1) {
discountStore = $content.html();
}
discountType = 2;
$content.html(standStore || temp2);
});
// 点击添加当前值
$("#dataButton").click(function() {
var list = [];
var check_day_repeat = false
$("#content .rows_1").each(function() {
// 获取当前的元素
var $this = $(this);
var o = {};
var day_value = $this.find(".live_day").val()
// 如果是第一种模式获取数据方式
if (discountType === 1) {
o = {
day: day_value,
ratio: $this.find(".live_rebate").val(),
};
if ($this.find(".live_rebate").val() === "custom") {
o.ratio = $this.find("input").val()
}
// $this.find("input")
// 否则为第二种方式
} else if (discountType === 2) {
o = {
day: day_value,
// 优惠金额
amount: $this.find("input").val(),
};
}
// 判断是否有重复数据，有重复数据则做标记
var isRepeatList = (list.filter(function (v) {
return v.day === day_value
})).length
if (isRepeatList) {
check_day_repeat = true
}
list.push(o);
});
if (check_day_repeat) {
alert('请检查是否有重复天数！')
} else {
alert(JSON.stringify(list));
}
});
var $content = $("#content");
// 点击删除的事件委托
$content.delegate(".deleteDiscount", "click", function() {
// 如果只剩最后一项，则不能删除
if ($(".rows_1").length === 1) {
return;
}
// 删除当前元素
$(this)
.parent()
.remove();
});
// 点击添加的事件委托
$content.delegate(".addDiscount", "click", function() {
// 如果选择立减，责添加立减的
if (discountType === 2) {
$content.append(temp2);
return;
}
$content.append(temp1);
});
// 处理如果为自定义扣款的情况
$content.delegate(".live_rebate", "change", function() {
// 如果为自定义则显示后边的折扣，否则隐藏
if ($(this).val() === 'custom') {
$(this).next().show()
} else {
$(this).next().hide()
}
});
</script>
</body>
</html>