'＆amp;'的意义JavaScript中的符号
我目前正在处理一个将数据发布到SAP的表单。我使用JavaScript来调用Web服务来执行此操作。我遇到了一个问题，其中表单中的一个字段的值为'GT＆amp; N'而我只在'＆amp;'时出错符号存在。我已经看过谷歌，但没有找到关于＆amp;符号和JavaScript。
我从网页收到错误消息：
意外的文件结束。以下元素未关闭：Characteristics_Value，RunParameter，Run，Body，Envelope。第1行，第2520位
**'characteristic_Value'是表单中的字段。
我在调试时看到错误：
每当我不使用'＆amp;'时符号，一切都很好。我也试过使用其他特殊字符，它发布得很好。
这里有相当多的代码，所以我不会发布所有内容，除非请求，因为这只是关于'＆amp;'的一般性问题。符号和JavaScript。
JavaScript代码
//Create
var WebServer = "http://webserver";
var WebServiceName = "CreateIngredient";
var ScriptType = "Transaction";
var RepeatingTableXMLPath = "/my:myFields/my:CreateIngredient/my:CreateIngredient_Repeat";
// To Call Web service from infopath
function CreateIngredient(theXmlNode) {
//Add parameter into the request
var addBatchRequest = new SOAPClientParameters();
var Addresses = new Array();
var AddressXmlNodes = theXmlNode.selectNodes(RepeatingTableXMLPath);
// Loop for Input Field from Repeating Table
for (var i = 0; i < AddressXmlNodes.length; i++) {
var xPath = AddressXmlNodes[i].getXPath();
// Input field, It can be n number of fields
addBatchRequest.add("Material_description", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Material_description").getValue());
addBatchRequest.add("Base_Unit_of_Measure", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Base_Unit_of_Measure").getValue());
addBatchRequest.add("Material_group", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Material_group").getValue());
addBatchRequest.add("External_Material_Group", AddressXmlNodes[i].selectSingleNode(xPath + "/my:External_Material_Group").getValue());
addBatchRequest.add("Division", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Division").getValue());
addBatchRequest.add("Authorization_Group", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Authorization_Group").getValue());
addBatchRequest.add("Gross_weight", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Gross_weight").getValue());
addBatchRequest.add("Weight_Unit", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Weight_Unit").getValue());
addBatchRequest.add("Net_weight", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Net_weight").getValue());
addBatchRequest.add("Dangerous_Goods_Indicator_Profile", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Dangerous_Goods_Indicator_Profile").getValue());
addBatchRequest.add("Class_number", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Class_number").getValue());
addBatchRequest.add("Characteristic_Value", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Characteristic_Value").getValue().toString());
addBatchRequest.add("Class_number1", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Class_number1").getValue());
addBatchRequest.add("Plant", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Plant").getValue());
addBatchRequest.add("Checking_Group_for_Availability_Check", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Checking_Group_for_Availability_Check").getValue());
addBatchRequest.add("Batch_management_requirement_indicator", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Batch_management_requirement_indicator").getValue());
addBatchRequest.add("Transportation_group", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Transportation_group").getValue());
addBatchRequest.add("Loading_group", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Loading_group").getValue());
addBatchRequest.add("Profit_Center", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Profit_Center").getValue());
addBatchRequest.add("Purchasing_group", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Purchasing_group").getValue());
addBatchRequest.add("Plant-Specific_Material_Status", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Plant-Specific_Material_Status").getValue());
addBatchRequest.add("Tax_indicator_for_material__Purchasing_", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Tax_indicator_for_material__Purchasing_").getValue());
addBatchRequest.add("Indicator___automatic_purchase_order_allowed_", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Indicator___automatic_purchase_order_allowed_").getValue());
addBatchRequest.add("Purchasing_Value_Key", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Purchasing_Value_Key").getValue());
addBatchRequest.add("Storage_location", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Storage_location").getValue());
addBatchRequest.add("Temperature_conditions_indicator", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Temperature_conditions_indicator").getValue());
addBatchRequest.add("Label_type", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Label_type").getValue());
addBatchRequest.add("Label_form", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Label_form").getValue());
addBatchRequest.add("Minimum_remaining_shelf_life", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Minimum_remaining_shelf_life").getValue());
addBatchRequest.add("Total_shelf_life", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Total_shelf_life").getValue());
addBatchRequest.add("Storage_percentage", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Storage_percentage").getValue());
addBatchRequest.add("Documentation_required_indicator", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Documentation_required_indicator").getValue());
addBatchRequest.add("QM_in_Procurement_is_Active", AddressXmlNodes[i].selectSingleNode(xPath + "/my:QM_in_Procurement_is_Active").getValue());
addBatchRequest.add("Control_Key_for_Quality_Management_in_Procurement", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Control_Key_for_Quality_Management_in_Procurement").getValue());
addBatchRequest.add("Valuation_Class", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Valuation_Class").getValue());
addBatchRequest.add("Price_control_indicator", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Price_control_indicator").getValue());
addBatchRequest.add("Price_unit", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Price_unit").getValue());
addBatchRequest.add("Standard_price", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Standard_price").getValue());
addBatchRequest.add("Price_unit_for_valuation_prices_based_on_tax_commercial_law", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Price_unit_for_valuation_prices_based_on_tax_commercial_law").getValue());
addBatchRequest.add("Material-related_origin", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Material-related_origin").getValue());
addBatchRequest.add("Variance_Key", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Variance_Key").getValue());
addBatchRequest.add("Lot_Size_for_Product_Costing", AddressXmlNodes[i].selectSingleNode(xPath + "/my:Lot_Size_for_Product_Costing").getValue());
// Output field has been field with text Retrieving... in Gray color for presentation purpose only
var LogFieldNode = AddressXmlNodes[i].selectSingleNode(xPath + "/my:LogField");
var txtLog = document.getElementById("SV_" + LogFieldNode.getAttribute("SVFormElementId"));
txtLog.value = "Retrieving...";
txtLog.style.color = 'Gray';
// Final web service call parameter
var pl = new SOAPClientParameters();
pl.add("RunParameter", addBatchRequest.toXml());
pl.toXml();
SOAPClient.invoke(WebServer + "/formsservice.svc/basic", "Run", pl, true, CreateIngredient_callBack, i);
}
}
// To display the retrieved result in the proper output fields
function CreateIngredient_callBack(u, xmlresponse, RowNumber) {
var theXmlNode1 = SVFormInternalGetProperXmlNode(SVForms[0]);
var AddressXmlNodes1 = theXmlNode1.selectNodes(RepeatingTableXMLPath);
var xPath = AddressXmlNodes1[RowNumber].getXPath();
var LogFieldNode = AddressXmlNodes1[RowNumber].selectSingleNode(xPath + "/my:LogField");
var txtLog = document.getElementById("SV_" + LogFieldNode.getAttribute("SVFormElementId"));
txtLog.style.color = "";
txtLog.value = "";
if (u == null)
alert("No data retrieved for Row Number " + (RowNumber + 1) + ".");
else {
//Display result in repeating table
if (u.LogField) {
LogFieldNode.setValue(u.LogField);
document.getElementById("SV_" + LogFieldNode.getAttribute("SVFormElementId")).value = u.LogField;
}
}
}
///////////////////// Do not modify below this line ///////////////////////////////
var WsdlResult = null;
//Helping method: To build xml
function SOAPClientParameters() {
var _pl = new Array();
this.add = function (name, value) {
_pl[name] = value;
return _pl;
}
this.toXml = function () {
var xml = "";
for (var p in _pl) {
if (typeof (_pl[p]) != "function")
xml += "<" + p + ">" + _pl[p].toString() + "</" + p + ">";
}
return xml;
}
}
function SOAPClientRepeatingParametersXml(name, values) {
var xml = "";
for (var i = 0; i < values.length; i++) {
xml += "<" + name + ">" + values[i].toString() + "</" + name + ">";
}
return xml;
}
function SOAPClient() { }
SOAPClient.invoke = function (url, method, parameters, async, callback, RowNumber) {
if (async)
SOAPClient._loadWsdl(url, method, parameters, async, callback, RowNumber);
else
return SOAPClient._loadWsdl(url, method, parameters, async, callback, RowNumber);
}
// private: wsdl cache
SOAPClient_cacheWsdl = new Array();
// private: invoke async
SOAPClient._loadWsdl = function (url, method, parameters, async, callback, RowNumber) {
// load from cache?
var wsdl = SOAPClient_cacheWsdl[url];
if (wsdl + "" != "" && wsdl + "" != "undefined")
return SOAPClient._sendSoapRequest(url, method, parameters, async, callback, wsdl, RowNumber);
// get wsdl
var xmlHttp = SOAPClient._getXmlHttp();
xmlHttp.open("GET", url + "?wsdl", async);
if (async) {
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4)
SOAPClient._onLoadWsdl(url, method, parameters, async, callback, xmlHttp, RowNumber);
}
}
xmlHttp.send(null);
if (!async)
return SOAPClient._onLoadWsdl(url, method, parameters, async, callback, xmlHttp, RowNumber);
}
SOAPClient._onLoadWsdl = function (url, method, parameters, async, callback, req, RowNumber) {
var wsdl = req.responseXML;
SOAPClient_cacheWsdl[url] = wsdl; // save a copy in cache
return SOAPClient._sendSoapRequest(url, method, parameters, async, callback, wsdl, RowNumber);
}
SOAPClient._sendSoapRequest = function (url, method, parameters, async, callback, wsdl, RowNumber) {
// get namespace
try {
var ns = "http://servername.com/server/";
// build SOAP request
var sr =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<soap:Envelope " +
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " +
'xmlns:api="http://IPAddress/Integrics/Enswitch/API" ' +
"xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" " +
"xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">" +
"<soap:Body>" +
"<" + method + " xmlns=\"" + ns + "\">" +
parameters.toXml() +
"</" + method + "></soap:Body></soap:Envelope>";
// send request
var xmlHttp = SOAPClient._getXmlHttp();
xmlHttp.open("POST", url, async);
var soapaction = ((ns.lastIndexOf("/") != ns.length - 1) ? ns + "/" : ns) + method;
xmlHttp.setRequestHeader("SOAPAction", "http://servername.com/server/I" + ScriptType + "Service/Process(" + WebServiceName + ")");
xmlHttp.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
if (async) {
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4)
SOAPClient._onSendSoapRequest(method, async, callback, wsdl, xmlHttp, RowNumber);
}
}
xmlHttp.send(sr);
}
catch (ex) { }
if (!async)
return SOAPClient._onSendSoapRequest(method, async, callback, wsdl, xmlHttp, RowNumber);
}
SOAPClient._onSendSoapRequest = function (method, async, callback, wsdl, req, RowNumber) {
var o = null;
var nd = SOAPClient._getElementsByTagName(req.responseXML, method + "Result");
if (nd.length == 0) {
if (req.responseXML.getElementsByTagName("faultcode").length > 0);
alert(req.responseXML.getElementsByTagName("faultstring") [0].childNodes[0].nodeValue);
}
else
o = SOAPClient._soapresult2object(nd[0], wsdl);
if (callback)
callback(o, req.responseXML, RowNumber);
if (!async)
return o;
}
// private: utils
SOAPClient._getElementsByTagName = function (document, tagName) {
try {
// trying to get node omitting any namespaces (latest versions of MSXML.XMLDocument)
return document.selectNodes(".//*[local-name()=\"" + tagName + "\"]");
}
catch (ex) { }
// old XML parser support
return document.getElementsByTagName(tagName);
}
SOAPClient._soapresult2object = function (node, wsdl) {
return SOAPClient._node2object(node, wsdl);
}
SOAPClient._node2object = function (node, wsdl) {
// null node
if (node == null)
return null;
// text node
if (node.nodeType == 3 || node.nodeType == 4)
return SOAPClient._extractValue(node, wsdl);
// leaf node
if (node.childNodes.length == 1 && (node.childNodes[0].nodeType == 3 || node.childNodes[0].nodeType == 4))
return SOAPClient._node2object(node.childNodes[0], wsdl);
var isarray = SOAPClient._getTypeFromWsdl(node.nodeName, wsdl).toLowerCase().indexOf("arrayof") != -1;
// object node
if (!isarray) {
var obj = null;
if (node.hasChildNodes())
obj = new Object();
for (var i = 0; i < node.childNodes.length; i++) {
var p = SOAPClient._node2object(node.childNodes[i], wsdl);
obj[node.childNodes[i].nodeName] = p;
}
return obj;
}
// list node
else {
// create node ref
var l = new Array();
for (var i = 0; i < node.childNodes.length; i++)
l[l.length] = SOAPClient._node2object(node.childNodes[i], wsdl);
return l;
}
return null;
}
SOAPClient._extractValue = function (node, wsdl) {
var value = node.nodeValue;
switch (SOAPClient._getTypeFromWsdl(node.parentNode.nodeName, wsdl).toLowerCase()) {
default:
case "s:string":
return (value != null) ? value + "" : "";
case "s:boolean":
return value + "" == "true";
case "s:int":
case "s:long":
return (value != null) ? parseInt(value + "", 10) : 0;
case "s:double":
return (value != null) ? parseFloat(value + "") : 0;
case "s:datetime":
if (value == null)
return null;
else {
value = value + "";
value = value.substring(0, value.lastIndexOf("."));
value = value.replace(/T/gi, " ");
value = value.replace(/-/gi, "/");
var d = new Date();
d.setTime(Date.parse(value));
return d;
}
}
}
SOAPClient._getTypeFromWsdl = function (elementname, wsdl) {
var ell = wsdl.getElementsByTagName("s:element"); // IE
if (ell.length == 0)
ell = wsdl.getElementsByTagName("element"); // MOZ
for (var i = 0; i < ell.length; i++) {
if (ell[i].attributes["name"] + "" == "undefined") // IE
{
if (ell[i].attributes.getNamedItem("name") != null && ell[i].attributes.getNamedItem("name").nodeValue == elementname && ell[i].attributes.getNamedItem("type") != null)
return ell[i].attributes.getNamedItem("type").nodeValue;
}
else // MOZ
{
if (ell[i].attributes["name"] != null && ell[i].attributes["name"].value == elementname && ell[i].attributes["type"] != null)
return ell[i].attributes["type"].value;
}
}
return "";
}
// private: xmlhttp factory
SOAPClient._getXmlHttp = function () {
try {
if (window.XDomainRequest) {
var req = new window.XDomainRequest();
if (req.readyState == null) {
req.readyState = 1;
req.addEventListener("load",
function () {
req.readyState = 4;
if (typeof req.onreadystatechange == "function")
req.onreadystatechange();
},
false);
}
return req;
}
}
catch (ex) {
try {
if (window.XMLHttpRequest) {
var req = new XMLHttpRequest();
// some versions of Moz do not support the readyState property and the onreadystate event so we patch it!
if (req.readyState == null) {
req.readyState = 1;
req.addEventListener("load",
function () {
req.readyState = 4;
if (typeof req.onreadystatechange == "function")
req.onreadystatechange();
},
false);
}
return req;
}
}
catch (ex) {
try {
// Internet Explorer
if (window.ActiveXObject)
return new ActiveXObject("Msxml2.XMLHTTP"); //ActiveXObject(SOAPClient._getXmlHttpProgID());
} catch (e) {
// Firefox, Opera 8.0+, Safari
try {
return new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
try {
return new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
alert("Your browser does not support AJAX!");
return false;
}
}
}
}
}
}
SOAPClient._getXmlHttpProgID = function () {
if (SOAPClient._getXmlHttpProgID.progid)
return SOAPClient._getXmlHttpProgID.progid;
var progids = ["Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
var o;
for (var i = 0; i < progids.length; i++) {
try {
o = new ActiveXObject(progids[i]);
return SOAPClient._getXmlHttpProgID.progid = progids[i];
}
catch (ex) { };
}
throw new Error("Could not find an installed XML parser");
}
提前感谢任何有用的输入。
干杯
1 个答案:
答案 0 :(得分：0)
尝试＆＃38代替＆amp;登录。
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