combox省市县三级联动

    /**
     * Name 获取省份(初始化)
     */
    function showProvince(id1, id2, id3) {
        var paramData = {};
        $.ajax({
            url: osplatUrl + '/osplat/province/select',
            type: 'POST',
            data: {
                phone: userName,
                password: passWord,
            },
            dataType: 'json',
            success: function (result) {
                // 下拉框选择控件，下拉框的内容是动态查询数据库信息
                var lastSelected;
                var presentSelected;
                $(id1).combobox({
                    data: result.data,
                    panelHeight: 300,//滚动条
                    editable: false, //不可编辑状态
                    cache: false,
                    valueField: 'provinceCode',//id
                    textField: 'provinceName',//name
                    onLoadSuccess: function () {
                       $(id1).combobox('select', "");
                        //$(id1).combobox('select',row.province);
                    },
                    onBeforeLoad: function (parm) { //可复用代码块 在请求加载数据之前触发,返回 false 则取消加载动作
                        var value = $(this).combobox('getValue');
                        if (value) {
                            parm.test = value;
                            return true;
                        }
                        return false;
                    },
                    onSelect: function () { // 不可复用代码块
                        presentSelected = $(this).combobox("getValue");
                        //debugger;
                        if (lastSelected != presentSelected) { // 避免重复点击再加载
                            // 先消除次级的数据
                            $(id2).combobox({ // 不可复用
                                editable: false, //不可编辑状态
                                loadData: {}
                            });
                            $(id3).combobox({ // 不可复用
                                editable: false, //不可编辑状态
                                loadData: {}
                            });
                            lastSelected = presentSelected;
                            showCitySearch(id2, id3, presentSelected);
                        }
                    },
                });
            }
        });
    }

    function showCitySearch(id, id3, value) {
        var paramData = {};
        paramData.provinceCode = value;
        $.ajax({
            url: osplatUrl + '/osplat/city/select',
            type: 'POST',
            data: {
                phone: userName,
                password: passWord,
                data: JSON.stringify(paramData)
            },
            dataType: 'json',
            success: function (result) {
                /*var status_all = {};
                status_all.cityCode = -100;
                status_all.cityName = '全部';
                result.data.push(status_all);*/
                // 下拉框选择控件，下拉框的内容是动态查询数据库信息
                var lastSelected;
                var presentSelected;
                $(id).combobox({ // 不可复用
                    data: result.data,
                    panelHeight: 300,//滚动条
                    editable: false, //不可编辑状态
                    cache: false,
                    valueField: 'cityCode',
                    textField: 'cityName',
                    onLoadSuccess: function () {
                       $(id).combobox('select', "");
                        // $(id).combobox('select',provider.city);
                    },
                    onBeforeLoad: function (parm) { //可复用代码块
                        var value = $(this).combobox('getValue');
                        if (value) {
                            parm.test = value;
                            return true;
                        }
                        return false;
                    },
                    onSelect: function () { // 不可复用代码块
                        presentSelected = $(this).combobox("getValue");
                        if (lastSelected != presentSelected) { // 避免重复点击再加载
                            // 先消除次级的数据
                            $(id3).combobox({ // 不可复用
                                editable: false, //不可编辑状态
                                loadData: {}
                            });
                            lastSelected = presentSelected;
                            showCountySearch(id3, presentSelected);

                        }
                    },
                });

            }
        });
    }

    function showCountySearch(id, value) {
        var paramData = {};
        paramData.cityCode = value;
        $.ajax({
            url: osplatUrl + '/osplat/county/select',
            type: 'POST',
            data: {
                phone: userName,
                password: passWord,
                data: JSON.stringify(paramData)
            },
            dataType: 'json',
            success: function (result) {
                $(id).combobox({ // 不可复用
                    data: result.data,
                    panelHeight: 300,//滚动条
                    editable: false, //不可编辑状态
                    cache: false,
                    valueField: 'countyCode',
                    textField: 'countyName',
                    onLoadSuccess: function () {
                       $(id).combobox('select', "");
                        //$(id).combobox('select',provider.county);
                    },
                    onBeforeLoad: function (parm) { //可复用代码块
                        var value = $(this).combobox('getValue');
                        if (value) {
                            parm.test = value;
                            return true;
                        }
                        return false;
                    },
                    onSelect: function (row) {
                        var value = $(this).combobox("getValue");
                        var text = $(this).combobox("getText");
                    },

                });
            }

        });
    }