百度地图API --地理位置定位

jQuery环境
<script src="http://api.map.baidu.com/api?v=1.5&ak=1b0ace7dde0245f796844a06fb112734"></script>
<form action="" id="comForm" name="comForm" method="post" onSubmit="return checkForm();">
<input type="hidden" name="usertype" value="2" />
<fieldset>
<legend>&nbsp;添加分公司/门店&nbsp;</legend>
<table class="deptTable"  style="width:90%; margin:0 auto;">
  <tr>
    <td class="label"><label>所属企业<b><sup>*</sup></b></label></td>
    <td><input type="text" id="comname" name="comname" style="width:260px;" value="<?php echo $comname ?>" disabled></td>
  </tr> 
  <tr>
    <td class="label"><label>分公司/门店名<b><sup>*</sup></b></label></td>
    <td><input type="text" id="shopname" name="comname" style="width:260px;"></td>
  </tr> 
  <tr>
    <td class="label"><label>联系人<b><sup>*</sup></b></label></td>
    <td><input type="text" id="realname" name="realname" style="width:160px;"></td>
  </tr>
  <tr>
    <td class="label"><label>手机号<b><sup>*</sup></b></label></td>
    <td><input type="text" id="mobile" name="mobile" style="width:160px;"></td>
  </tr>
  <tr>
    <td class="label"><label>联系QQ</label></td>
    <td><input type="text" id="qq" name="qq" style="width:160px;"></td>
  </tr>
  <tr>
    <td class="label"><label>E-mail</label></td>
    <td><input type="text" id="email" name="email" style="width:160px;"></td>
  </tr>
  <tr>
    <td class="label"><label>分组</label></td>
    <td><select name="classid" id = ‘classid‘ style="width:164px;"><option value="0">选择分组</option><?php echo $option_html ;?></select></td>
  </tr>

    <tr>
        <td class="label"><label>企业地址</label></td>
        <td>
            <select id="s_province" name="s_province" class ="area">
            </select>&nbsp;&nbsp;
            <select id="s_city" name="s_city" class ="area" >
            </select>&nbsp;&nbsp;
            <select id="s_county" name="s_county" class ="area">
            </select>
            <script type="text/javascript">_init_area();</script>
            <input type="text" name="address" id = ‘address‘ style="width:260px;"><input type = ‘button‘ name ="search" id = ‘locate-btn‘ value ="定位">
            <br/>输入地址后，点击“自动定位”按钮可以在地图上定位。<br/>
            （如果输入地址后无法定位，请在地图上直接点击选择地点）
            <div class="control-group">
                <div id="map" style="width: 600px;height: 300px;"></div>
            </div>
　　　　　　<!-- 地图显示的地方，请随意 -->
        </td>
    </tr>
  <tr>
    <td class="label"><label>其它</label></td>
    <td>开通：<input type="radio" id="issh" name="issh" value="1" checked>是 <input type="radio" id="issh" name="issh" value="0">否</td>
  </tr>
  <tr>
    <td class="label"><label></label></td>
    <td><input type="button" id = ‘btn‘ value="确定添加" style="width:80px;height:30px;"></td>
  </tr>
</table>
    <input type="hidden" value="116.403694" name="WVYVMQlQ" id="lbsjd">
    <input type="hidden" value="39.916042" name="WVYVMRRQ" id="lbswd">
</fieldset>
</form>

<!--页面功能说明-->
<div style="margin:20px;line-height:200%;color:green;">
  <p>页面名称：编辑门店</p>
  <p>Controllers文件：Csuser.php</p>
  <p>Views文件夹：user</p>
  <p>页面文件：addcomshop.php</p>
  <p>操作权限：企业管理员、门店管理员（关联的健康师）</p>
  <p>对应数据表：jk_comshop</p>
  <p>功能点说明：1、分组 从数据表  jk_sysclass 列出该企业门店的分组。2、提交数据后需要更新三个数据表：jk_sysclass 中 infonum(加1)；jk_comshop；jk_comuser 中 shopnum 加1</p>
</div>
<!--结束-->
    <script>
        var located = true;
        //定位坐标
        var destPoint = new BMap.Point($(‘#lbsjd‘).val(),$(‘#lbswd‘).val()); //写了俩隐藏域  存放了 初始定位地理位置
        $(function(){
            /**开始处理百度地图**/
            var map = new BMap.Map("map");
            map.centerAndZoom(new BMap.Point(destPoint.lng, destPoint.lat), 12);//初始化地图
            map.enableScrollWheelZoom();
            map.addControl(new BMap.NavigationControl());
            var marker = new BMap.Marker(destPoint);
            map.addOverlay(marker);//添加标注

            map.addEventListener("click", function(e){
                if(confirm("确认选择这个位置？")){
                    destPoint = e.point;
                    $(‘#lbsjd‘).val(destPoint.lng);
                    $(‘#lbswd‘).val(destPoint.lat);
                    map.clearOverlays();
                    var marker1 = new BMap.Marker(destPoint);  // 创建标注
                    map.addOverlay(marker1);
                }
            });
            var myValue;
            var local;
            function setPlace(){
                map.clearOverlays();    //清除地图上所有覆盖物
                local = new BMap.LocalSearch(map, { //智能搜索
                    renderOptions:{ map: map}
                });
                located = true;
                local.setMarkersSetCallback(callback);
                local.search(myValue);
            }

            function addEventListener(marker){
                marker.addEventListener("click", function(data){
                    destPoint = data.target.getPosition(0);
                });
            }
            function callback(posi){
                $("#locate-btn").removeAttr("disabled");
                for(var i=0;i<posi.length;i++){
                    if(i==0){
                        destPoint = posi[0].point;
                    }
                    posi[i].marker.addEventListener("click", function(data){
                        destPoint = data.target.getPosition(0);
                    });
                }
            }

            $("#s_province").change(function(){
                $("#locate-btn").attr("disabled","disabled");
                local = new BMap.LocalSearch(map, { //智能搜索
                    renderOptions:{ map: map}
                });
                located = true;
                local.setMarkersSetCallback(callback);
                local.search($("#s_province").find(‘option:selected‘).text());
                return false;
            });
            $("#s_city").change(function(){
                $("#locate-btn").attr("disabled","disabled");
                local = new BMap.LocalSearch(map, { //智能搜索
                    renderOptions:{ map: map}
                });
                located = true;
                local.setMarkersSetCallback(callback);
                local.search($("#s_city").find(‘option:selected‘).text());
                return false;
            });
　　　　　　　　　　//当下拉框发生变化是 用变化后的值 来重新定位　　　
            $("#s_county").change(function(){
                $("#locate-btn").attr("disabled","disabled");
                local = new BMap.LocalSearch(map, { //智能搜索
                    renderOptions:{ map: map}
                });
                located = true;
                local.setMarkersSetCallback(callback);
                local.search($("#s_county").find(‘option:selected‘).text());
                return false;
            });
　　　　　　　//当点击的时候 把address文本框的值取过来查找
            $("#locate-btn").click(function(){
                if($("#address").val() == ""){
                    alert("请地址！");
                    return ;
                }
                $("#locate-btn").attr("disabled","disabled");
                local = new BMap.LocalSearch(map, { //智能搜索
                    renderOptions:{ map: map}
                });
                located = true;
                local.setMarkersSetCallback(callback);
                local.search($("#address").val());//搜索地理位置 进行定位
                return false;
            });
        })
    </script>