jquery ajax CORS 跨域访问 WebService

JS代码:

var word = document.getElementById("word").value;$.ajax({type: "POST",contentType: "application/x-www-form-urlencoded",url: ":12805/WebService.asmx/HelloWorld",data: 'data=' + word,dataType: 'text',success: function(result) {alert("success: " + result);},error: function(result, status) {alert("error: " + status);}});C# WebService代码:

[WebService(Namespace = "weburl")][WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)][System.ComponentModel.ToolboxItem(false)]// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. [System.Web.Script.Services.ScriptService]public class WebService : System.Web.Services.WebService{[WebMethod]public void HelloWorld(string data){this.Context.Response.AddHeader("Access-Control-Allow-Origin", "*"); // CORS 跨域访问this.Context.Response.Write(data); // 返回字符串格式}}WebService 默认 return 返回 XML 格式,但是使用上述方式是以字符串形式返回。

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,就会犯错误,就会有无数次让自己跌倒的机会出现,

jquery ajax CORS 跨域访问 WebService

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