根据年月查询每月数据并渲染到页面，支持数据的展示与折叠隐藏

最近做手机端应用页面，根据开始年月、截止年月查询数据并渲染到页面里，数据条目可以展开与折叠，初始化时间为当前年月。
界面如下：
代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>查询</title>
    <script src="jquery-1.11.1.min.js"></script>
    <style>
        body{
            margin: 0;
            padding: 0;
        }
        html,body{ font-size:16px; height:100%;}
        /*苹果手机上边框阴影*/
        input{
            outline: none;
            -webkit-appearance: none; /*去除系统默认的样式*/
            -webkit-tap-highlight-color: rgba(0, 0, 0, 0); /* 点击高亮的颜色*/
        }
        footer{
            width: 100%;
        }
        button.submit{
            width: 150px;
            height: 2em;
            line-height: 2em;
            display: block;
            margin: 0 auto;
            border-radius: 4px;
            border: none;
            font-weight: bold;
            color:#fff;
            background-color:#4d8fd8;
            font-size: 1rem;
        }
        /*三角方向箭头*/
        .icon_top{
            display: table-cell;
            vertical-align: middle;
            width: 0;
            height:0;
            border-top: 0;
            border-left: 0.23rem solid transparent;
            border-right: 0.23rem solid transparent;
            border-bottom: 0.72rem solid #4d8fd8;
        }
        .icon_bottom{
            display: table-cell;
            vertical-align: middle;
            width: 0;
            height:0;
            border-top: 0;
            border-left: 0.23rem solid transparent;
            border-right: 0.23rem solid transparent;
            border-top: 0.72rem solid #4d8fd8;
        }
        .text{
            width: 90px;
        }
        .content{
            width: 230px;
        }
        .content input{
            width: 230px;
            height:22px;
            font-size: 1rem;
            border-radius: 0;
            border:solid 1px #999;
            margin:0;
            background-color: transparent;
            outline:none;
            box-shadow: 0 0 0 #fff;
        }
        button.submit{
            margin-bottom: 20px;
        }

        /*list*/
        #salaryDetail{
            width: 100%;
        }
        #salaryDetail table{
            width: 100%;
            margin: auto;
            padding:0 20px;
            border-top:solid 1px #ccc;
        }
        #salaryDetail table thead th{
            text-align: left;
        }
        #salaryDetail table tbody.body-detail{
            display: none;
        }
    </style>
</head>
<body>
    <table style=" margin: 20px auto;">
        <tr style="height:50px;">
            <td class="text">起始年月</td>
            <td class="content">
                <input type="month" id="beginDate" />
            </td>
        </tr>
        <tr style="height:50px;">
            <td class="text">截止年月</td>
            <td class="content">
                <input type="month" id="endDate" />
            </td>
        </tr>
    </table>
    <footer><button class="submit" onclick="submit()">查询</button></footer>
    <div id="salaryDetail"></div>

    <script type="text/javascript">
        document.getElementById('beginDate').valueAsDate = new Date();
        document.getElementById('endDate').valueAsDate = new Date();

        function submit() {
            var beginDate = $("#beginDate").val();
            var endDate = $("#endDate").val();
            var minY = 2000;
            var beginY = beginDate.substr(0,4);
            var beginM = beginDate.substr(5,2);
            var endY = endDate.substr(0,4);
            var endM = endDate.substr(5,2);
            var monthDiffer = (endY-beginY)*12 + (endM-beginM);
            if(beginY<minY){
                alert("仅支持查询2016年及以后工资情况");
                return
            }
            if(beginDate>endDate){
                alert("截止年月必须大于等于起始年月");
                return
            }
            if(monthDiffer>=6){
                alert("时间范围错误，仅可查询6个月以内的工资");
                return
            }

            //造数据
            var detailList = [{
                'year':2019,
                'month':6,
                '工资实发':8000,
                '奖金': 2000
            },{
                'year':2019,
                'month':7
            }];

            //渲染页面
            $("#salaryDetail").html("");
            var dateListHtml = "";
            if(detailList && detailList.length>0){
                for(var i=0; i<detailList.length;i++){
                    var monthObj = detailList[i];

                    //主title
                    var year = monthObj.year;
                    var month = monthObj.month;
                    var salaryLast = monthObj.工资实发;

                    //判断有无数据
                    if(!salaryLast){
                        dateListHtml +=
                            '<table><thead><tr><th>'+year+'年'+month+'月</th><th>无记录</th></th></tr></thead></table>'
                        continue
                    }
                    dateListHtml +=
                        '<table><thead><tr>' +
                        '<th>'+year+'年'+month+'月</th>'+
                        '<th>工资实发</th>'+
                        '<th>'+salaryLast+'元</th>'+
                        '<th><span class="icon_bottom" οnclick="listTypeToggle(this)"></span></th>'+
                        '</tr></thead><tbody class="body-detail">'

                    //详细
                    for(var key in monthObj){
                        if(key=="year" || key=="month"){
                            continue
                        }
                        dateListHtml +=
                            '<tr>'+
                            '<td colspan="2">'+key+'</td>'+
                            '<td colspan="2">'+monthObj[key]+'</td>'+
                            '</tr>'
                    }
                    dateListHtml += '</tbody></table>'
                }
                $("#salaryDetail").append(dateListHtml);
            }else{
                alert("查询不到满足条件的数据");
                return
            }
        }

        //list数据展开、折叠、三角箭头切换
        function listTypeToggle(obj){
            var tbodyHtml = obj.parentNode.parentNode.parentNode.nextElementSibling;
            if(tbodyHtml.style.display != "table-row-group" ){
                obj.className = "icon_top"
                tbodyHtml.style.display = 'table-row-group';
            }else{
                obj.className = "icon_bottom"
                tbodyHtml.style.display = 'none';
            }
        }
    </script>
</body>
</html>
根据年月查询每月数据并渲染到页面，支持数据的展示与折叠隐藏

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