微信公众号支付（MVC版本）_实用技巧_

 /// 
 /// 获取微信支付相关信息 /// 
 ///  [HttpGet] public virtual ActionResult Index() { JsApiPay jsApiPay = new JsApiPay(); OStudent model = null; try { //调用【网页授权获取用户信息】接口获取用户的openid和access_token jsApiPay.GetOpenidAndAccessToken(); //获取微信支付者公共id jsApiPay.openid = jsApiPay.openid; string ID = Request["ID"]; //如果要获取页面传递过来的值,需修改GetOpenidAndAccessToken()方法里面的代码,加上Request.Url.Query获取参数 model = OStudentSiteService.GetByKey(id).AppendData as OStudent; if (model != null) { jsApiPay.total_fee = 1;//测试 订单金额(1表示分,正式金额要*100) jsApiPay.Order_ID = model.order_ID; //订单号(自己定义订单号) } //JSAPI支付预处理 //调用统一下单，获得下单结果 WxPayData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult(); //从统一下单成功返回的数据中获取微信浏览器调起jsapi支付所需的参数 var wxJsApiParam = jsApiPay.GetJsApiParameters(); //获取到的是json格式字符串 ViewBag.wxJsApiParam = wxJsApiParam; //前台页面js调用 Log.Debug(this.GetType().ToString(), "wxJsApiParam : " + wxJsApiParam); } catch (Exception ex) { Response.Write(ex.Message + "," + ex.Source); Response.End(); } return View(model); } //修改支付方式 [HttpPost] public virtual JsonResult PayMethod() { AjaxJsonResult ajax = new AjaxJsonResult() { err = true, msg = string.Empty, timeout = 3 }; string id = Request.Form["id"]; string payMethod = Request.Form["payMethod"]; var model = (Project.Core.Models.Model.OStudent)OStudentSiteService.GetByKey(id).AppendData; model.payMethod = payMethod; //支付方式 OperationResult result = OStudentSiteService.Modify(model); if (result.ResultType == OperationResultType.Success) { ajax.err = false; ajax.msg = "操作成功"; } return Json(ajax); } /// 
 /// 修改支付状态 /// 
 ///  ///  [HttpPost] public virtual string EditPayStatus(Guid userID) { string msg = "error"; var model = OStudentSiteService.GetByKey(userID).AppendData as OStudent; model.Status = (int)X.Project.Site.Models.Enum.PayStatus.Success; //付款成功 OperationResult result = OStudentSiteService.Modify(model); if (result.ResultType == OperationResultType.Success) { msg = "ok"; } return msg; } 前台Index.chtml视图页面JS代码