<!--
this macro will render an employee no selector
PARAMETERS:
fieldName
callbackName - callback function name, default will call the field filling funtion
.
-->
<#macro employeeSelector fieldName callbackName="" onChange="">
<#assign ww = JspTaglibs["/WEB-INF/webwork
.tld"] />
<#assign base = req
.contextPath />
<script type="text/javascript" src="${base}/js/
xmlextras
.js"></script>
<script>
var employeeSearchPopup;
var windowOptions = "directories=no,location=no,width=700,height=500,alwaysRaised=yes,resizable=yes,scrollbars=yes";
function popupSelector_${fieldName?replace("
.", "_")}() {
employeeSearchPopup = window
.open('${base}/exporthr/index
.action', 'employeeSearchPopup', windowOptions);
employeeSearchPopup
.focus();
<#if callbackName == "">
callback = function (employeeNo){
document
.getElementById('${fieldName}')
.value = employeeNo;
employeeSearchPopup
.close();
<#if onChange!="">${onChange?if_exists}();</#if>
};
<#else>
callback = function (employeeNo) {
${callbackName}(employeeNo);
};
</#if>
}
function checkEmployeeNo${onChange?if_exists}(inputField) {
var employeeNo = inputField
.value;
inputField
.value = employeeNo
.toUpperCase();
var result = "fail";
if(employeeNo != null && employeeNo
.length > 0){
var
xmlHttp =
XmlHttp.create();
var async = false;
xmlHttp.open("GET", "${base}/exporthr/checkEmployeeNo
.action?employeeNo=" + inputField
.value, async);
xmlHttp.send(null);
if(
xmlHttp.responseText != null &&
xmlHttp.responseText == '<success/>'){
result= "success";
}else if(
xmlHttp.responseXML != null &&
xmlHttp.responseXML.getElementsByTagName("success")
.length > 0){
result= "success";
}else{
alert("Can not find an employee with the No
. " + employeeNo);
inputField
.focus();
inputField
.select();
}
}else result= "success";
<#if onChange!="">if(result== "success")${onChange?if_exists}();</#if>
}
</script>
<@ww
.textfield name="'${fieldName}'" id="${fieldName}" size="20" theme="'simple'" onblur="'checkEmployeeNo${onChange?if_exists}(this);'"/> <a href="#" onclick="popupSelector_${fieldName?replace("
.", "_")}();"><img src="${base}/images/icon_usergroups_sml
.gif" align="absmiddle"/></a>
</#macro>
本文介绍了一种解决在服务器端设置了特定头部的情况下，使用XMLHttpRequest获取的内容无法通过responseXML方式正常解析的问题。通过使用ActiveXObject加载返回的XML文本，可以成功进行DOM操作。
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