jquery - 尝试使用jquery获取隐藏字段的值

Question

我正在尝试从隐藏字段获取值。

这是由 Visualforce 页面 (Salesforce) 吐出的 HTML(ID 是动态生成的)

<div style="width:300px;position:relative" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:optableAccount">
<!--  Need value for below field to be alerted -->
<input type="hidden" value="001i0000008LDtv" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkid" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkid">
<input type="hidden" value="Aethna Home Products" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkold" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkold">
<input type="hidden" value="001" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lktp" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lktp">
<input type="hidden" value="0" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lspf" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lspf">
<input type="hidden" value="0" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lspfsub" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lspfsub">
<input type="hidden" value="1" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_mod" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_mod"><span class="lookupInput">
<!-- I do get the value of below field -->
<input type="text" size="20" onchange="getElementByIdCS('massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkid').value='';getElementByIdCS('massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_mod').value='1';" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup" maxlength="255" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup">
<script>new ForeignKeyInputElement("massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup","/_ui/common/data/LookupValidationServlet",null,true,{"acent":"001"});</script><a title="Account Name Lookup (New Window)" onclick="setLastMousePosition(event)" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkwgt" href="javascript:%20openLookup%28%27%2F_ui%2Fcommon%2Fdata%2FLookupPage%3Flkfm%3DmassConvertwithInputs%253ApbmconvertInput%253ApbformmconvertInput%26lknm%3DmassConvertwithInputs%253ApbmconvertInput%253ApbformmconvertInput%253ApbsmconvertInput%253Apbspbtable%253A0%253AaccountLookup%26lktp%3D%27%20%2B%20getElementByIdCS%28%27massConvertwithInputs%3ApbmconvertInput%3ApbformmconvertInput%3ApbsmconvertInput%3Apbspbtable%3A0%3AaccountLookup_lktp%27%29.value%2C670%2C%271%27%2C%27%26lksrch%3D%27%20%2B%20escapeUTF%28getElementByIdCS%28%27massConvertwithInputs%3ApbmconvertInput%3ApbformmconvertInput%3ApbsmconvertInput%3Apbspbtable%3A0%3AaccountLookup%27%29.value.substring%280%2C%2080%29%29%29"><img title="Account Name Lookup (New Window)" onmouseover="this.className = 'lookupIconOn';this.className = 'lookupIconOn';" onmouseout="this.className = 'lookupIcon';this.className = 'lookupIcon';" onfocus="this.className = 'lookupIconOn';" onblur="this.className = 'lookupIcon';" class="lookupIcon" alt="Account Name Lookup (New Window)" src="/s.gif"></a></span><select style="width:148px" size="1" class="accSelectandlookup" name="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:convertedStatus" id="massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:convertedStatus">  <option value="000000000000000000">Create New Account: Greenwich Media</option>
</select></div>

这是我正在使用警报值的 jquery 代码

<script>

$(document).ready(function () {

$('form :input[id$="accountLookup"]').change(function() {
     $('form :input[id$="accountLookup"]').each(function () {
            var str= $(this).attr("id") + "_lkid"; 
            alert($(str).val());// This alert shows undefined
            alert($(this).val());// This shows the Aethna Home Products which correct
            alert($('massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkid').val());  // This shows undefined
});  
}); 
$('form :input[id$="accountLookup"]').change(function() {
     $('form :input[id$="accountLookup_lkid"]').each(function () {
            alert($(this).val());  // This shows a blank value
});  
}); 
});   


</script>

我需要获取字段的值massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkid

我已经用每个警报当前抛出的内容对 jquery 脚本进行了评论

知道我做错了什么吗？

Answer 1

您错过了选择器中的#:

alert($("#massConvertwithInputs:pbmconvertInput:pbformmconvertInput:pbsmconvertInput:pbspbtable:0:accountLookup_lkid").val());

这里也一样

var str= '#' + $(this).attr("id") + "_lkid"; 
alert($(str).val());