订餐系统：提交订单代码实现
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1.登录时将用户名密码写入cookie，以及从cookie中取，赋值到文本框
代码一：写入
function login() { var UfromID = document.getElementById("username").value; var PfromID = document.getElementById("userpassword").value; if (UfromID == "cs" && PfromID == "cs") { window.location = "../ChooseDate.aspx"; return; } var loginDate = new Date(); var nowhours = loginDate.getHours(); var nowminutes = loginDate.getMinutes(); var nowseconds = loginDate.getSeconds(); if (nowhours < 10) { nowhours = '0' + nowhours; } if (nowminutes < 10) { nowminutes = '0' + nowminutes; } if (nowseconds < 10) { nowseconds = '0' + nowseconds; } var loginTime = nowhours + ':' + nowminutes + ':' + nowseconds; var params = '{name:"' + UfromID + '",password:"' + PfromID + '"}'; $.ajax({ url: "LoginMobile.aspx/test", data: params, type: "post", dataType: 'text', contentType: "application/json; charset=utf-8", success: function (data) { if (data == '{"d":true}') { $.cookie('username', UfromID, { expires: 7, path: '/' }); $.cookie('password', PfromID, { expires: 7, path: '/' }); window.location = "../mobile/WeekOrderCell.aspx?loginSystemTime="+loginTime+"&uid="+UfromID; } else { mui.toast("用户名或密码错误！"); } } }); }代码二：读取
$(function () { var UfromC = $.cookie("username"); var PfromC = $.cookie("password"); if (UfromC != undefined && PfromC != undefined) { $("#username").val(UfromC); $("#userpassword").val(PfromC); } })2.当天菜谱展示
$(document).ready(function () { getNowDate();//显示当天日期在header上 jugeWeekday();//把将要显示的其他六个日期存入数组 //接收传过来的登陆时间，如果大于10点，就不能再预定当天的饭菜 var url = location.search;//获取url中问号符后的字符串 var loginInTime;//接收传过来的登陆时间 if (url.indexOf("?") != -1) {//判断是否有参数 var str = url.substr(1);//从第一个字符开始，因为第0个是问号，获取所有除问号的所有字符串 strs = str.split("=");//用等号进行分隔(只有一个参数用等号分隔，如果有多个参数，要用&号分隔，再用等号进行分隔) loginInTime = strs[1];//取值 //if (loginInTime>'10:00:00') { // mui.alert('超出当日订餐时间段，不可订餐！', ''); // document.getElementById("span1LB").disabled = true; //} if (loginInTime > '10:00:00') { mui.alert('午餐超出当日订餐时间段，不可订餐！', ''); document.getElementById("span1LB").disabled = true; } if (loginInTime > '17:00:00') { mui.alert('晚餐超出当日订餐时间段，不可订餐！', ''); document.getElementById("span1NB").disabled = true; } } var day = new Date().getDay(); switch (day) { case 0: mydate.innerText = "本周日"; if (span1L.innerText == "") { $.get("WeekOrderCell.aspx?aaa=" + freshDate.innerText, function (data) { if (data.length == 0) { $("#span1L").append("<div class=" + '"mui-input-row"' + "><label>" + "没有查到相关记录" + "</label></div>"); } else { $.each(data, function (i, item) { $("#span1L").append( "<div class='mui-numbox' data-numbox-min='0' data-numbox-max='9' style='z-index:999;position:absolute;margin-left:165px;margin-right:0' >" + "<button class='mui-btn mui-btn-numbox-minus' type='button'>-</button>" + "<input id='" + i + "' name='span1lunch' class='mui-input-numbox' type='number' value='0' />" + "<button class='mui-btn mui-btn-numbox-plus' type='button'>+</button>" + "</div>" + "<div class='mui-input-row'>" + "<label style='width:100px;padding-right:0;padding-left:10px'>" + item.foodName + "</label>" + "<label style='width:40px;padding-right:0;padding-left:0'>" + item.price + "元" + "</label>" + "<input id='" + item.foodId + "' name='" + item.foodId + "' type=" + "'hidden'" + " class=" + "'span1food'" + " value='" + item.price + "' />" + "</div> " ); //不加下面这句话会导致页面刚加载时，增减按钮不能使用 mui('.mui-numbox').numbox(); }); } }, "json"); } if (span1N.innerText == "") { //$.post("WeekOrderCell.aspx", { bbb: mydate.innerText }, function (data) { $.get("WeekOrderCell.aspx?bbb=" + freshDate.innerText, function (data) { if (data.length == 0) { $("#span1N").append("<div class=" + '"mui-input-row"' + "><label>" + "没有查到相关记录" + "</label></div>"); } else { $.each(data, function (i, item) { $("#span1N").append( "<div class='mui-numbox' data-numbox-min='0' data-numbox-max='9' style='z-index:999;position:absolute;margin-left:165px;margin-right:0'>" + "<button class='mui-btn mui-btn-numbox-minus' type='button'>-</button>" + "<input id='" + i + "' name='span1dinner' class='mui-input-numbox' type='number' value='0' />" + "<button class='mui-btn mui-btn-numbox-plus' type='button'>+</button>" + "</div>" + "<div class='mui-input-row'>" + "<label style='width:100px;padding-right:0;padding-left:10px'>" + item.foodName + "</label>" + "<label style='width:40px;padding-right:0;padding-left:0'>" + item.price + "元" + "</label>" + "<input id='" + item.foodId + "' name='" + item.foodId + "' type=" + "'hidden'" + " class=" + "'span1dinnerfood'" + " value='" + item.price + "' />" + "</div>" ); mui('.mui-numbox').numbox(); }) } }, "json"); } break; ……3.ajax传参调用
var params = '{orderIds:"' + fooddetail + '",isDinner:"' + isDinner + '",orderDate:"' + freshDate.innerText + '",eatTime:"中午"}'; $.ajax({ url: "WeekOrderCell.aspx/SetOrder", type: "post", data: params, dataType: 'text', contentType: "application/json; charset=utf-8", success: function (data) { if (data == '{"d":true}') { mui.alert('午餐预定成功！详情见页面底部', '', function () { OrderDetailSpan4(); for (var i = 0; i < foodnum.length; i++) { if (foodnum[i].value != "0") { foodnum[i].value = "0"; } } }); } else { mui.alert('订餐失败！余额不足或网络连接错误', ''); for (var i = 0; i < foodnum.length; i++) { if (foodnum[i].value != "0") { foodnum[i].value = "0"; } } } } });4.后台逻辑代码
[WebMethod] public static bool SetOrder(string orderIds, string isDinner, string orderDate, string eatTime) { bool flag = false; T_OrderDetailSheet detailinfo = new T_OrderDetailSheet(); SelectFood selectfood = new SelectFood(); OrderSheet orderinfo = new OrderSheet(); CardBll cardb = new CardBll(); OrderBll orderB = new OrderBll(); //提交订单时需要先检查是否已经订过餐 //string cardId = Session["Admin"].ToString(); //IsOrderFood(orderDate, eatTime, cardNo); //订单ID orderinfo.OrderId = DateTime.Now.ToString("MMddHHmmssffff"); //将订单ID存入session System.Web.HttpContext.Current.Session["orderId"] = orderinfo.OrderId; //从session获取卡号 string tmpCard = System.Web.HttpContext.Current.Session["Admin"].ToString(); orderinfo.CardNo = tmpCard; if (tmpCard.Length == 3) { orderinfo.CardNo = "E000" + tmpCard; } if (tmpCard.Length == 4) { orderinfo.CardNo = "E00" + tmpCard; } decimal totalMoney = 0; //获取当前订单详情集合 string[] ids = orderIds.Split(','); if (ids.Length > 0) { for (var i = 0; i < ids.Length - 1; i++) { string[] idandPrice = ids[i].Split(':'); detailinfo.FoodId = idandPrice[0].ToString(); decimal price = Convert.ToDecimal(idandPrice[1].ToString()); detailinfo.Num = idandPrice[2].ToString(); detailinfo.OrderId = orderinfo.OrderId; totalMoney += Convert.ToDecimal(price * Convert.ToInt32(detailinfo.Num)); flag = selectfood.InsertOrderDetail(detailinfo); if (!flag) { break; } } } //在这里做个判断，如果“库里已经提交的当天及以后的订单总和+将要提交的这份订单金额” > 卡内余额，则订单不能提交 //查卡内余额 List<Card> list = cardb.queryBalance(orderinfo.CardNo); //查现有订单总金额 DataTable dt = orderB.querySum(orderinfo.CardNo,orderDate); //加上这份订单后的全部订单金额 和 余额 作比较 decimal pastOrder; if (dt.Rows[0][0] == DBNull.Value) { pastOrder = 0; } else { pastOrder = Convert.ToDecimal(dt.Rows[0][0]); } decimal allOrder = pastOrder + totalMoney; if (allOrder > list[0].cash) { flag = false; } if (flag) { //T表示下午在食堂吃，F代表不在 if (isDinner == "Yes") { orderinfo.IsDinnerEat = "T"; } else { orderinfo.IsDinnerEat = "F"; } //向订单总表中插入数据 orderinfo.TotalCost = Convert.ToString(totalMoney); orderinfo.OrderDate = orderDate.ToString(); orderinfo.eatTimeQuantum = eatTime.ToString(); flag = selectfood.InsertOrderhan(orderinfo); } return flag; } 2 0
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