使用Javascript的Soap请求

我开始开发并创建一个带有VisaCheckout的捐赠按钮，最后一步是将支付信息发送到cybersource api。。。但当我尝试失败时，我认为这是关于soap消息的共振峰，我不知道问题出在哪里，有人能帮我吗

错误

访问位于“”的XMLHttpRequesthttps://ics2wstesta.ic3.com/commerce/1.x/transactionProcessor/CyberSourceTransaction_1.171.wsdl“来自来源”已被CORS策略阻止：对飞行前请求的响应未通过访问控制检查：请求的资源上不存在“访问控制允许来源”标头

POST net:：ERR_失败

script-2.js:83未捕获的DomeException:未能对“XMLHttpRequest”执行“发送”：未能加载https://ics2wstesta.ic3.com/commerce/1.x/transactionProcessor/CyberSourceTransaction_1.171.wsdl"

function confirmation(){ var str ='<?xml version="1.0" encoding="UTF-8"?>' +
'<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">' +
'<soapenv:Header>' +
'<wsse:Security soapenv:mustUnderstand="1" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd">' +
            '<wsse:UsernameToken>' +
            '<wsse:Username>imsoftware</wsse:Username>' +
            '<wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wssusername-token-profile-1.0#PasswordText"> ArsuqvoUOJUwdnsvkW1fgW3wrG91jfBG2izeNeuaIuLFghgQv8GhqWO29+Y86AmvVnpCyHJjfvHQWkxE7xlznvFC8IZMBoxB3yrNxETuRbwrQZYfT+jDuQ7OyWAw7hck2qi51+VwxmLWdoQMcYG4Kj1pNbXDi14wl02JHX4bGmxIJLo9D4/j3ixd3daNApwHqWIz1Wq0C53Z9ONl22nYfw== </wsse:Password>' +
                    '</wsse:UsernameToken>' +
                    '</wsse:Security>' +
                    '</soapenv:Header>' +
                    '<soapenv:Body>' +
            '<nvpRequest xmlns="urn:schemas-cybersource-com:transaction-data-1.171">'
            merchantID="";
            merchantReferenceCode="MDD0001VISA";
            purchaseTotals_currency="MXN";
            purchaseTotals_grandTotalAmount="55464.00";
            paymentSolution="visacheckout";
            vc_orderID= "";
            encryptedPayment_wrappedKey= "RWqb7kjmah5A+F2MhdVRubVMpY9ya3Sr7ke8/VNxmFnXpufn0GtHi6KGdJNzz2IY/AgafcM6rXm";
            encryptedPayment_data= "scNx9p5WdVn3HbihigziDQfctNJK4hrVxNiAIIPaaErjngoeyGV/DPonMiNEevEQ86Y70z6MSUOPfBpTCiFtFtuFD3XJW5pVtcWQvKjvYSkRwgY+u3EulOX4xIPVitmelrPrVEGrFLHFFtj23AJoAZCrBmnVee5jo4GN1UrZq04cmjxzJ9HLG7bsxB+VcNa2pDz7GXtPC9nPh66OAb+HXz6oDasF1U=";
            ccAuthService_run=true;
            ccCaptureService_run=true;
            '</nvpRequest>'+
        '</soapenv:Body>' +
        '</soapenv:Envelope>';
    alert(str);

        function createCORSRequest(method, url) {
                    var xhr = new XMLHttpRequest();
                    if ("withCredentials" in xhr) {
                        xhr.open(method, url, false);
                    } else if (typeof XDomainRequest != "undefined") {
                        alert
                        xhr = new XDomainRequest();
                        xhr.open(method, url);
                    } else {
                        console.log("CORS not supported");
                        alert("CORS not supported");
                        xhr = null;
                    }
                    return xhr;
                }
        var xhr = createCORSRequest("POST", "https://ics2wstesta.ic3.com/commerce/1.x/transactionProcessor/CyberSourceTransaction_1.171.wsdl");
        if(!xhr){
         console.log("XHR issue");
         return;
        }

        xhr.onload = function (){
         var results = xhr.responseText;
         console.log(results);
        };

        xhr.setRequestHeader('Content-Type', 'text/xml');
        xhr.send(str);
 }

函数确认（）{var str=''+
'' +
'' +
'' +
'' +
“imsoftware”+
“Arsuqvouojuwdnsvkw1fgw3wrg91jfbgg2zeneuailufghgqv8ghqwo29+y86amvvvnpcyhjfvhqwkxe7xlznvfc8izmboxb3yrnxeturbwqzyft+jduq7oyw7hck2qi51+vwxmlwdoqmcyg4kj1pnbxdi14wl02jhx4bgmxij9d4/j3ixd3d2danapwhqwz1wq0c53z9onl22nyfw=”+
'' +
'' +
'' +
'' +
''
merchantID=“”；
merchantReferenceCode=“MDD0001VISA”；
purchaseTotals_currency=“MXN”；
purchaseTotals_grandTotalAmount=“55464.00”；
paymentSolution=“visacheckout”；
vc_orderID=“”；
加密支付_wrappedKey=“RWqb7kjmah5A+f2mhdvrrubvmpy9ya3sr7ke8/vnxmfnxpufn0gthi6kgdjnz2y/AgafcM6rXm”；
加密支付_data=“scNx9p5WdVn3HbihigziDQfctNJK4hrVxNiAIIPaaErjngoeyGV/DPONMINEVEQ86Y70Z6MSuOPFBPTCIFTFTUFD3XJW5PVTCWQVKJVYSKRWGY+U3EULOX4XIPvtMelRFLHFFTJ23JOAZCRBnve5G1URZQ04CMJXJJJJJJJJ9HLG7BxB+VCNA2PDZ7G9NPH66OAB+HZ6ODASF1U=”；
ccAuthService_run=true；
ccCaptureService_run=true；
''+
'' +
'';
警报（str）；
函数createCORSRequest（方法，url）{
var xhr=new XMLHttpRequest（）；
如果（xhr中的“带凭证”）{
open（方法、url、false）；
}else if（XDomainRequest的类型！=“未定义”）{
警觉的
xhr=新的XDomainRequest（）；
open（方法，url）；
}否则{
console.log（“不支持CORS”）；
警报（“不支持CORS”）；
xhr=null；
}
返回xhr；
}
var xhr=createCORSRequest（“POST”https://ics2wstesta.ic3.com/commerce/1.x/transactionProcessor/CyberSourceTransaction_1.171.wsdl");
如果（！xhr）{
控制台日志（“XHR问题”）；
返回；
}
xhr.onload=函数（）{
var结果=xhr.responseText；
控制台日志（结果）；
};
setRequestHeader（'Content-Type'，'text/xml'）；
xhr.send（str）；
}

这是一个CORS问题

请求的资源上不存在“Access Control Allow Origin”标题

API不接受来自浏览器的请求，您需要从服务器发出请求