美文网首页JS
二级列表

二级列表

作者: Sen_森 | 来源:发表于2021-09-09 17:11 被阅读0次
    <!DOCTYPE html>
    <html>
    <head lang="en">
        <meta charset="UTF-8">
        <title></title>
    </head>
    <script src="https://s3.pstatp.com/cdn/expire-1-M/jquery/3.3.1/jquery.min.js"></script>
    <body>
    <div>
        <ul id="package">
        </ul>
    </div>
    <div>
        <ul id="price">
        </ul>
    </div>
    
    <div>
        <ul id="details">
        </ul>
    </div>
    
    <script>
        var city = [
            {
                "id": 10002,
                "name": "陕西省",
                "child": [
                    {
                        "id": 100011,
                        "name": "西安市",
                        "child_name": "高新区",
                    },
                    {
                        "id": 100012,
                        "name": "宝鸡市",
                        "child_name": "新区",
                    }
                ]
            },
            {
                "id": 10001,
                "name": "湖北省",
                "child": [
                    {
                        "id": 100011,
                        "name": "咸宁市",
                        "child_name": "崇阳",
                    }
                ],
            },
            {
                "id": 10002,
                "name": "陕西省",
                "child": [
                    {
                        "id": 100011,
                        "name": "西安市",
                        "child_name": "高新区",
                    },
                    {
                        "id": 100012,
                        "name": "宝鸡市",
                        "child_name": "新区",
                    }
                ]
            },
            {
                "id": 10003,
                "name": "甘肃省",
                "child": [
                    {
                        "id": 100021,
                        "name": "兰州市",
                        "child_name": "兰州区",
                    },
                    {
                        "id": 100022,
                        "name": "酒泉市",
                        "child_name": "酒泉区",
    
                    }
                ]
            }
        ]
    
        $(document).ready(function () {
            // $("#price-radio").hide();
            for (var i = 0; i < city.length; i++) {
                var package_r = "<input id = 'do_package' type='radio' name='id' value=" + city[i].id + " package_id=" + i + ">"
                var content = $("<span></span>").text(city[i].name);
                $("#package").append(package_r, content);
                $("#do_package").prop("checked", true);
            }
    
        });
    
        $(document).ready(function () {
            var child = city[0]['child'];
            if (child.length < 2) {
                //添加span
                var content_p = $("<span></span>").text(child[0].name);
                var content_p_s = $("<span></span>").text(child[0].child_name);
                $("#price").append(content_p);
                $("#details").append(content_p_s);
            } else {
                //添加radio
                for (var j = 0; j < child.length; j++) {
                    var price_r = "<input id = 'do_price' type='radio' name='id_p' value=" + child[j].id + " price_id=" + j + " package_id=" + 0 + ">"
                    var content_p = $("<span></span>").text(child[j].name);
                    $("#price").append(price_r, content_p);
                    $("#do_price").prop("checked", true);
                }
                var content_p_s = $("<span></span>").text(child[0].child_name);
                $("#details").append(content_p_s);
    
            }
    
        });
    
        //单选转换(一级)
        $('body').on('change', '#do_package', function () {
            //清除元素
            $("#price").empty();
            $("#details").empty();
            var package_id = $(this).attr("package_id");
            //判断数组长度
            var content = city[package_id]['child'];
            var length = city[package_id]['child'].length;
            if (length < 2) {
                //添加span
                var content_p = $("<span></span>").text(content[0].name);
                var content_p_s = $("<span></span>").text(content[0].child_name);
                $("#price").append(content_p);
                $("#details").append(content_p_s);
            } else {
                //添加radio
                for (var k = 0; k < content.length; k++) {
                    var price_r = "<input id = 'do_price' type='radio' name='id_p' value=" + content[k].id + " price_id=" + k + " package_id=" + package_id + ">"
                    var content_p = $("<span></span>").text(content[k].name);
                    $("#price").append(price_r, content_p);
                    $("#do_price").prop("checked", true);
                }
                var content_p_s = $("<span></span>").text(content[0].child_name);
                $("#details").append(content_p_s);
    
            }
    
        });
        //二级切换
        $('body').on('change', '#do_price', function () {
            //清除元素
            $("#details").empty();
            var price_id = $(this).attr("price_id");
            var package_id = $(this).attr("package_id");
            // //填充详情
            var content = city[package_id]["child"][price_id];
            var content_p_s = $("<span></span>").text(content.child_name);
            $("#details").append(content_p_s);
    
        });
    
    </script>
    </body>
    </html>
    
    

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        本文标题:二级列表

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