前端 ajax get请求
$.ajax({ url: "API地址", type: 'get', dataType: 'jsonp', async: true, processData: true, contentType: false, success: function (res) { console.log(res) }, error: function (Error) { console.log(Error) } })
前端 ajax post请求
$.ajax({ type: 'post', url: 'API地址', data: data, dataType: "json", crossDomain: true, success: function (data) { console.log(data); }, error: function (data) { console.log(data); } });
c# 后端 get请求
var res="最好转换成json"; string callback = this.Request["callback"]; return Content(callback + "(" + res + ")");
c# 后端 post 请求
//1.可以创建一个FilterAttribute public class PostAPIController : ActionFilterAttribute { //override OnActionExecuting public override void OnActionExecuting(ActionExecutingContext filterContext) { //设置 filterContext.HttpContext.Response.Headers.Add("Access-Control-Allow-Origin", "*"); filterContext.HttpContext.Response.Headers.Add("Access-Control-Allow-Methods", "POST"); filterContext.HttpContext.Response.Headers.Add("Access-Control-Allow-Headers", "x-requested-with,content-type"); base.OnActionExecuting(filterContext); } }
//2.post请求代码块 加上过滤器 PostAPIController [HttpPost] [PostAPIController] public ActionResult AddReadNum(int newid) { try { *******
*******
if (string.IsNullOrEmpty(callback)) { return Json(result, JsonRequestBehavior.AllowGet); } else { string res = JsonToots.ModelToJson(result); return Content(callback + "(" + res + ")"); } } catch (Exception ex) { ****** } }