在 jQuery 数据表中调用 ajax 时获取 CORS 源错误

如何解决在 jQuery 数据表中调用 ajax 时获取 CORS 源错误

我把代码放在这里：

var dataList = {    
    "fromDate": "2021-01-01","toDate": "2021-01-16"
};

var dataListNew = JSON.stringify(dataList);


$('#co-table').DataTable({  
        //"scrollY": "400px",dom: 'Bfrtip',buttons: [
                    {
                        extend:    'copyHtml5',text:      '<i class="fa fa-files-o"></i>',titleAttr: 'copy'
                    },{
                        extend:    'excelHtml5',text:      '<i class="fa fa-file-excel-o"></i>',titleAttr: 'Excel'
                    },{
                        extend:    'csvHtml5',text:      '<i class="fa fa-file-text-o"></i>',titleAttr: 'CSV'
                    },{
                        extend: 'pdfHtml5',orientation: 'landscape',//pageSize: 'LEgal',text:      '<i class="fa fa-file-pdf-o"></i>',titleAttr: 'PDF'
                    },{
                        extend:    'print',text:      '<i class="fa fa-print"></i>',titleAttr: 'Print'
                    }
                ],"ajax": {
             url         : "https://XXXXX.execute-api.us-east-1.amazonaws.com/XYXYX/YYY",method      : "POST",dataType    : "json",contentType : "application/json; charset=utf-8",data        : dataListNew,headers    : {
                    "authorizationToken" :  authorizationToken,"Cache-Control"      :  "no-cache,no-store","Content-Type"       :  "application/json; charset=utf-8","x-api-key"          :  applicationApiKey,"sciappID"           :  appID,"sciappuserID"       :  userID
            }
        },"columns": [
            { "data": "PROCESSDATE" },{ "data": "MODELNAME" },{ "data": "MODELSTARTTIME",render: function (data,type,row)
                {
                    if (data == null)
                    {
                        return '';
                    }
                    else
                    {
                        return moment(row.MODELSTARTTIME).format('YYYY-MM-DD HH:mm:ss');
                    }
                }               
            },{ "data": "MODELEXECUTIONSTATUS" },{ "data": "MODELENDTIME",row)
                {
                    if (data == null)
                    {
                        return '';
                    }
                    else
                    {
                        return moment(row.MODELENDTIME).format('YYYY-MM-DD HH:mm:ss');
                    }
                }                               
            },{ 
                "data": "RECORDCOUNT","render": $.fn.dataTable.render.number( ',','.',0 )
            },{ 
                "data": "EXPORTEDCOUNT",0 ) 
            },{ 
                "data": "APPLIEDDECILE","render": function ( data,row ) {
                            return data == 'N' ? '<i class="fa fa-minus"></i>' : '<i class="fa fa-check"></i>';
                        }
            },{ 
                "data": "ACTUALRECORDCOUNT",// { "data": "IS_SCHEMA_VALIDATED" },{ "data": "PROCESS_TYPE" }
        ]       
    });

关于进入控制台的 CORS 源错误：

(index):1 从源“http://localhost”访问“https://xyxyxy.execute-api.us-east-1.amazonaws.com/v1/xxxx”的 XMLHttpRequest 已被阻止CORS 政策：请求的资源上不存在“Access-Control-Allow-Origin”标头。

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