public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; decimal amount = HYRequest.GetDecimalByParams("amount"); int totalAmount = Convert.ToInt32(amount * 100); if (totalAmount <= 0) { var data = new { code = "1", message = "金额不能小于等于0" }; context.Response.Write(JsonConvert.SerializeObject(data)); } else { string returnRes = prePayCanada(totalAmount.ToString()); context.Response.Write(returnRes); } }