改变placeholder颜色

input::-webkit-input-placeholder { color:#fff;}
input:-moz-placeholder {color:#fff;}
input:-ms-input-placeholder {color:#fff;}

高德地图(网页端)

<script type="text/javascript">
    var geo = new BMap.Geolocation();
    var map = new BMap.Map("map");
    geo.getCurrentPosition(function(r){
        k = r.address.province+r.address.city+r.address.district+r.address.street;
        var lng ='117.282699';
        var lat = '31.866942';
        if(lng&&lat){
          r.longitude = lng;
          r.latitude  = lat;
        }

        window.render(r, this);
        window.keywords(this);
        window.search(k);
    }, {enableHighAccuracy: true});

    var container = document.getElementById("map");
    var central = document.createElement("div");

    central.style.top="38%";
    central.style.margin="-18px auto 0";
    central.style.position="relative";
    central.style.width="36px";
    central.style.height="36px";
    central.style.zIndex="100000";
    central.innerHTML ='';
    central.innerHTML ='![](/themes/default/static/images/coordinate@2x.png)';
    map.addEventListener("tilesloaded",function(){
        container.appendChild(central);
    });

    /*地图拖拽事件*/
    map.addEventListener("dragend", function(){
        var center = map.getCenter();
        var mPoint = new BMap.Point(center.lng, center.lat);
        map.enableScrollWheelZoom();  //启用滚轮缩放
        map.centerAndZoom(mPoint,17); // 设置地图显示级别
        var mOption = {poiRadius : 500,numPois : 10}; //获取全部POI（该点半径为100米内有6个POI点）
        var myGeo = new BMap.Geocoder(); //创建地址解析实例

        //使用反地址解析
        myGeo.getLocation(mPoint, function mCallback(result) {
            var allPois = result.surroundingPois;
            var first_dq = '';
            str_format = '';
            for( i = 0; i < allPois.length ; i++ ){
                if(i===0) var tip = "[当前]";else  var tip = '';
                var s = allPois[i];
                str_format += "<div onclick=\"getData(this)\" title='"+s.title+"'  addr='"+s.address+"' city='"+s.city+"' lat='"+s.point.lat+"' lng='"+s.point.lng+"' class='search_tip'>" +
                        ""+" <i class='left fl'></i>"+
                        "<div class='right'>"+" <h3>"+tip+s.title+"</h3>"+
                        "<p class='black9'>"+s.address+"</p>"+"" +
                        "</div>"+"</div>";

           /*     str += "<li onclick=\"getData(this)\" title='"+s.title+"'  addr='"+s.address+"' city='"+s.city+"' lat='"+s.point.lat+"' lng='"+s.point.lng+"' class='serveAddr_cell_list pad10 border_b bgcolor_white'><div class='ico fl'></div><div class='pub_wz'><p class='maincl'>"+tip+s.title+"</p><p class='black3'>"+s.address+"</p></div><div class='clear'></div>";*/
            }
            document.getElementById("li").innerHTML = str_format;
        },mOption);
    });
    //渲染地图
    window.render = function(r, context){
        map.centerAndZoom(new BMap.Point(r.longitude, r.latitude), 15);
        if(context.getStatus() == BMAP_STATUS_SUCCESS){
            var mk = new BMap.Marker(r.point);
            map.addOverlay(mk);
            map.panTo(r.point);
        }
    }
    //关键字输入
    window.keywords = function(){
        auto = new BMap.Autocomplete({input: 'kword', location: map});
        auto.addEventListener('onconfirm', function(e){
            v = e.item.value;
            k = v.province + v.city + v.district + v.street + v.business;
            window.search(k);
        });
    }
    //独立搜索,只需传入要搜的地址
    window.search = function(k){
        local = new BMap.LocalSearch(map, {
            onSearchComplete:function(results){
                pp = local.getResults().getPoi(0).point;
                map.clearOverlays();
                map.centerAndZoom(pp, 15);
                map.addOverlay(new BMap.Marker(pp));
                if(local.getStatus() == BMAP_STATUS_SUCCESS){
                    str_format = '';
                    for(i=0;i<results.getCurrentNumPois(); i++){
                        if(i===0) tip = "[当前]";else tip = '';
                        s = results.getPoi(i);
                        str_format += "<div onclick=\"getData(this)\" title='"+s.title+"'  addr='"+s.address+"' city='"+s.city+"' lat='"+s.point.lat+"' lng='"+s.point.lng+"' class='search_tip'>"+" <i class='left fl'></i>"+"<div class='right'>"+" <h3>"+tip+s.title+"</h3>"+ "<p class='black9'>"+s.address+"</p>"+"</div>"+"</div>";
                        /*str += "<li onclick=\"getData(this)\" title='"+s.title+"'  addr='"+s.address+"' city='"+s.city+"' lat='"+s.point.lat+"' lng='"+s.point.lng+"' class='serveAddr_cell_list pad10 border_b bgcolor_white'><div class='ico fl'></div><div class='pub_wz'><p class='maincl'>"+tip+s.title+"</p><p class='black3'>"+s.address+"</p></div><div class='clear'></div>";*/
                    }
                    document.getElementById("li").innerHTML = str_format;
                }
            }
        });
        local.search(k);
    }
    function getData(o)
    {
        if(localStorage['back_addr']){
            var back_addr =  JSON.parse(localStorage['back_addr']);
            var back_url = back_addr.backurl;
        }
        args = '?&o_lng='+o.getAttribute('lng')+'&o_lat='+o.getAttribute('lat')+'&o_addr='+encodeURIComponent(o.getAttribute('title'))+'&o_city='+encodeURIComponent(o.getAttribute('city'));
        window.location.href = back_url + args;
    }

</script>