如何使用jquery获取父元素值



我有一个表,它有几行,每行有两个单元格,每个单元格都有一些信息,比如办公室名称、地址和电话号码等。使用jquery,每个单元格的地址都会从每个单元格中提取出来,并输入到谷歌地图地理编码对象中,以获取点并将其绘制在地图中。现在,在每次命中Address值时,我还想从jquery获取地址值的当前单元格中获取电话和办公室名称的唯一值。。我需要这些值,以便在地图的信息窗口中显示这些值?我如何获得这些值?

<table class="OfficeInfo" border="0" style="width: 100%" cellspacing="10px" cellpadding="15px">
  <tr>
    <td class="Office1" style="width=40%">  
     <span class="OfficeName">
     <div id="ctl00_PlaceHolderMain_ctl00_ctl17_label" style='display:none'>Office1Link</div><div id="ctl00_PlaceHolderMain_ctl00_ctl17__ControlWrapper_RichLinkField" class="ms-rtestate-field" style="display:inline" aria-labelledby="ctl00_PlaceHolderMain_ctl00_ctl17_label"><div class="ms-rtestate-field"><a href="/" target="_blank">St. Francis Hospital</a></div></div>
     </span>
     <span class="Address">
     2001 86th Street West  <br />Indianapolis, IN 46260        
     </span> <br />
     <span class="Phone">
     (402) 123-1234</span><br /><br />
     <a class="mapdirectionsLink" href="#">map &#38; directions&#62;</a><br /><br />
     <span class="Hours">
     MTW:9:00AM-5:00PM</span>
    </td>
    <td class="Office2" style="width:40%">  
     <span class="OfficeName">
     <div id="ctl00_PlaceHolderMain_ctl00_ctl21_label" style='display:none'>Office2Link</div><div id="ctl00_PlaceHolderMain_ctl00_ctl21__ControlWrapper_RichLinkField" class="ms-rtestate-field" style="display:inline" aria-labelledby="ctl00_PlaceHolderMain_ctl00_ctl21_label"><div class="ms-rtestate-field"><a href="/" target="_blank">St. Margaret's Hospital</a></div></div>
     </span>    
     <span class="Address">
     8075 North Shadeland Avenue <br />Indianapolis, IN 46250</span><br />
     <span class="Phone">
     (316) 123-3245</span><br /><br />
     <a class="mapdirectionsLink" href="#">map &#38; directions&#62;</a><br /><br />
     <span class="Hours">
     MTW:9:00AM-5:00PM</span>
    </td>
  </tr> 
   <tr>                                   
    <td class="Office3" style="border-top:1px dotted silver;  width:40%;">
     <span class="OfficeName">
     <div id="ctl00_PlaceHolderMain_ctl00_ctl25_label" style='display:none'>Office3Link</div><div id="ctl00_PlaceHolderMain_ctl00_ctl25__ControlWrapper_RichLinkField" class="ms-rtestate-field" style="display:inline" aria-labelledby="ctl00_PlaceHolderMain_ctl00_ctl25_label"><div class="ms-rtestate-field"><a href="/" target="_blank">Munster Women's Center</a></div></div>
     </span>
     <span class="Address">
     395 Westfield Road <br />Noblesville, IN 46060</span><br />
     <span class="Phone">
     (316) 123-3245</span><br /><br />  
     <a class="mapdirectionsLink" href="#">map &#38; directions&#62;</a><br /><br />
     <span class="Hours">
     MTW:9:00AM-5:00PM</span>
    </td>
    <td  style="border-top:1px dotted silver;  width:40%">                          
    </td>
  </tr>               
 </table>

          function codeAddress() {
    var infowindow = new google.maps.InfoWindow({}); 
    $('span.Address').each(function(index) {
        var addy = $(this).text();
        var off_name = $(this).siblings('.OfficeName').children(.ms-rtestate-field).text();
        var infowindow = new google.maps.InfoWindow({  content: 'Hello world'   });
        geocoder.geocode( { 'address': addy}, function(results, status) {
            if (status == google.maps.GeocoderStatus.OK) {
                map.setCenter(results[0].geometry.location);
                var marker = new google.maps.Marker({
                map: map, 
                position: results[0].geometry.location,
                title:addy          
            });

            //var currentCell=(this).closest(td).html()); 
            // Adding a click event to the marker 
            google.maps.event.addListener(marker, 'click', function() { 
                infowindow.setContent('<span style="color:#808080; font-size:13px; font-family:Trebuchet">'+addy 
                           +'<br> <a href="http://maps.google.com/maps?saddr=&daddr=' + this.position.toUrlValue() + '" target ="_blank">Get Direction To Here</a>'+                      
                           off_name + '</span>'); 
                infowindow.open(map, this); 
            });  

            } else {
                alert("Geocode was not successful for the following reason: " + status);
            }
        });
    });
}

根据this的当前上下文,这应该有效:

$(this).parent().find('.officeName').html();

$(this).siblings('.Phone').html()$(this).siblings('.Address').html()

我们可以通过使用jquery或Javascript来实现这一点。在这里,我们将讨论电子邮件id更新。

在下面的示例中,将打开一个弹出窗口,其中包含来自父窗口的自动填充电子邮件id。更新后,一封电子邮件将在父窗口文本框中自动更新,弹出的窗口将自动关闭。

示例:

1( 创建文件index.html作为父窗口

<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN”>
<html>
<title></title>
<head></head>
<body>
<table>
<tr>
<td colspan=”2″>Example for update email id.</td>
</tr>
<tr>
<td>Email Id:</td>
<td>
<input type=’text’ name=”emailID” id=”emailId” value=”demo@demo.com”></td>
</tr>
<tr>
<td>
<input type=”button” name=”update” value=”Update”
onClick=’window.open(“update_popup.html”, “”, “width=400, height=300″)’>
</td>
</tr>
</table>
</body>
</html> 

2( 创建文件update_popup.html作为弹出窗口,其中电子邮件id从父窗口自动填充以进行更新。

<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN”>
<html>
<title></title>
<head></head>
<script src=”http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js”></script>
<script>
$(document).ready(function(){
//== pre fill parent window email id in popup window for update
var emailId = window.opener.document.getElementById(“emailId”).value;
$(“#emailId”).val(emailId);
//=== update updated email id in to parent window
$(“#Save”).on(‘click’,function(){
var updated_emailId = $(“#emailId”).val();
window.opener.document.getElementById(“emailId”).value = updated_emailId;
window.close();
});
});
</script>
<body>
<table>
<tr>
<td>Email Id:</td>
<td>
<input type=’text’ name=”emailID” id=”emailId” value=””></td>
</tr>
<tr>
<td><input type=”button” name=”Save” id=”Save” value=”Save”></td>
</tr>
</table>
</body>
</html>

了解更多详细信息。。

http://www.delhincrjob.com/blog/how-to-get-the-parent-window-element-value-in-popup-window-using-jquery/

$('td.Office1').chilldren('.Phone')

将从Office 1 td 获得Office 1的电话号码

$('span.Address').siblings('.Phone')

将从地址范围中获取电话号码

这里有一个小而简单但很适合初学者的Jquery PDF。试着使用Jquery备忘单,因为它包含了大多数问题的解决方案。

$(this).parent().find(".OfficeName").text()获取办公室名称,$(this).parent().find(".Phone").text()获取每个地址的电话。

jsfiddle-点击地址,它会在警报中显示姓名和电话。

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