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=============js================
复制代码 代码如下:
var xhr = new XMLHttpRequest();
            xhr.open("get", "Controls/gengCart.ashx?CartID=" + input + "&count=" + inp, true);
            xhr.setRequestHeader("If-Modified-Since", "0");
            xhr.onreadystatechange = function () {
                if (xhr.readyState == 4 && xhr.status == 200) {
                    var result = xhr.responseText;
                    var json = eval("(" + result + ")");
                    alert(js.name);
                }
            };
            xhr.send(null);

============jquery=====================
复制代码 代码如下:
  $.post("Controls/Cart.ashx", { "productID":<%= GetID %>,"count":"1","userID":"<%= uid %>" }, function (data,statu) {
                if (statu == "success") {
                   if(data=="false"){
                      alert("请登录后再进行此操作");
                   }
                   else{
                      window.location="gwc.aspx?uid="+"<%= uid%>";
                   }
                }
            })