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【记录】ASP.NET MVC JsonResult JsonRequestBehavior AllowGet

2014-12-10 14:50 295 查看
JS Ajax 调用代码:

$.ajax({
url: "/AjaxController/GetInfoById",
type: 'GET',
datatype: "json",
contentType: "application/json; charset=utf-8",
data: { id: id },
success: function (data) {
if (data) {
alert(data.Id);
alert(data.Title);
}
},
error: function (error) {
$("#result_div").html(error.responseText);
}
});

Controller Action 代码:

[HttpGet]
public async Task<JsonResult> GetInfoById(int id)
{
var result = await service.GetInfoById(id);
return Json(result);
}

注意这种实现在 ASP.NET 5 项目中,是没有任何问题的,但在 ASP.NET MVC 5 中,会报如下错误:


This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request. To allow GET requests, set JsonRequestBehavior to AllowGet.


正确代码(AllowGet):

[HttpGet]
public async Task<JsonResult> GetInfoById(int id)
{
var result = await service.GetInfoById(id);
return Json(result, JsonRequestBehavior.AllowGet);
}

参考:

What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet

JSON Problem - JsonRequestBehavior to AllowGet.

JsonResult作为Action返回值时的错误
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