js post调用wcf 在centeros 发送options 后失败

Question

 $.ajax({
            url: 'http://192.168.191.9:8001/SayHello',
            data: { str: "bbbb" },
            contentType: "application/json; charset=utf-8",
            type: "GET",
            crossDomain: true,
            dataType: 'json',
            success: function (data) {
                debugger
                alert(data);
            },
            error: function (xhr, textStatus, errMsg) {
                alert('error');
            }
        });  

            在本地js 调用后捕获的信息
![![![](https://img-ask.csdn.net/upload/201505/25/1432564644_325363.png)](https://img-ask.csdn.net/upload/201505/25/1432564644_325363.png)](https://img-ask.csdn.net/upload/201505/25/1432564644_325363.png)

Answer 1

跨域采用jsonp的格式进行
http://blog.csdn.net/liruxing1715/article/details/18707605