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  • html Js跨域提交数据方法,跨域提交数据后台获取不到数据

    MVC实现方式:(后台获取不到方法请参考下面js)

      

    [ActionAllowOrigin]
    [HttpPost]
    public JsonResult Cooperation()

       return json();

    在方法前面加上[ActionAllowOrigin] 这个方法是自定义的继承自AuthorizeAttribute

    public class ActionAllowOriginAttribute : AuthorizeAttribute
    {
    public override void OnAuthorization(System.Web.Mvc.AuthorizationContext filterContext)
    {
    var origin = filterContext.HttpContext.Request.Headers["Origin"];
    filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Origin",origin);
    }
    }

    这样就支持跨域了;调用方法如下:(如果后台获取不到方法的话请复制本js)

    function test()
    {
    $.ajax({
    url: "http://www.baidu.com/TieBa/AddImgs",//这里是提交url
    type: "post",
    // dataType: "json",
    data: {name:$("#Name").val(),Phone:$("#Phone").val()},
    success: function (msg) {
    console.log(msg)
    }
    }

    //问题:

    如果遇到浏览器不支持的话就把origin换成*号 如下:

    filterContext.HttpContext.Response.AppendHeader("Access-Control-Allow-Origin","*"); 

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  • 原文地址:https://www.cnblogs.com/sunqiang/p/5413516.html
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