毕设总结之使用高德地图api实现不同选择条件下的路径选择

<div class="input-card" style="width: auto;">
            <div class="input-item" style="width:auto;">出发起点<input id="text_1" type="text" value="华东交通大学" />
            出发终点<input id="text_2" type="text" value="" />
            路径选择方式<select id="test">
                        <option value="1">最快捷模式</option>
                        <option value="2">最经济模式</option>
                        <option value="3">最短距离模式</option>
                        <option value="4">考虑实时路况</option>
                        </select>
            <input type="button" value="查询" onclick="searchByStationName();"/>
            <button class="btn" onclick="toggle()">显示/隐藏实时路况</button>
            </div>
            </div>
    <script>
        var map = new AMap.Map('container', {

            resizeEnable:true, //是否监控地图容器尺寸变化
            zoom: 13, //初始化地图层级
            center: [116.397428, 39.90923] //初始化地图中心点
});//实时路况图层
        var trafficLayer = newAMap.TileLayer.Traffic({

            zIndex:10});

        trafficLayer.setMap(map);var isVisible = true;functiontoggle() {if(isVisible) {

                trafficLayer.hide();

                isVisible= false;

            }else{

                trafficLayer.show();

                isVisible= true;

            }

        }functionsearchByStationName() {//根据起终点名称规划驾车导航路线
            var myselect = document.getElementById("test");var index =myselect.selectedIndex;switch(myselect.options[index].value) {case "1":var driving = newAMap.Driving({

                        map: map,

                        panel:"panel",

                        policy: AMap.DrivingPolicy.LEAST_TIME//最快捷模式
});break;case "2":var driving = newAMap.Driving({

                        map: map,

                        panel:"panel",

                        policy: AMap.DrivingPolicy.LEAST_FEE//最经济模式
});break;case "3":var driving = newAMap.Driving({

                        map: map,

                        panel:"panel",

                        policy: AMap.DrivingPolicy.LEAST_DISTANCE//最短距离模式
});break;case "4":var driving = newAMap.Driving({

                        map: map,

                        panel:"panel",

                        policy: AMap.DrivingPolicy.REAL_TRAFFIC//考虑实时路况
});break;

            }

            driving.search([

                { keyword: document.getElementById("text_1").value, city: '北京'},

                { keyword: document.getElementById("text_2").value, city: '北京'}

            ],function(status, result) {if (status === 'complete') {

                    log.success('绘制驾车路线完成')

                }else{

                    log.error('获取驾车数据失败：' +result)

                }

            });

        }//构造路线导航类
        functionBillCalculate() {



        }</script>