dengluzhucehaiyouxianshiMVC

--登录
 登录
        /// </summary>
        /// <param name="uid"></param>
        /// <param name="pwd"></param>
        /// <returns></returns>
        public List<Admin> DengLu(string uid,string pwd)
        {
            string sql = $"select * from Admin where UID='{uid}' and PWD='{pwd}' ";
            return DBHelper.GetList<Admin>(sql);
        }
        /// <summary>
        /// 注册
        /// </summary>
        /// <param name="s"></param>
        /// <returns></returns>
        public int ZhuChe(Admin s)
        {
            string sql = $"insert into Admin values('{s.UID}','{s.PWD}')";
            return DBHelper.ExecuteNonQuery(sql);
        }
-----
登录视图
@{
    ViewBag.Title = "Index";
}
    <div style="align-content:center">
        <h2 style="color:greenyellow">登录</h2>
        <div>
            <table>
                <tr>
                    <td>账号:</td>
                    <td><input type="text" id="uid" /></td>
                </tr>
                <tr>
                    <td>---</td>
                </tr>
                <tr>
                    <td></td>
                </tr>
                <tr>
                    <td>密码:</td>
                    <td><input type="text" id="pwd" /></td>
                </tr>
                <tr>
                    <td>    </td>
                    <td>
                        <input style="
                        <input style="background-color:aqua" type="button" value="注册" onclick="location.href='/DL/ZC'" />
                    </td>
                </tr>
            </table>
        </div>

    </div>
<script>
   
    function DL() {
        var s = {};
        s.uid = $("#uid").val();
        s.pwd = $("#pwd").val();
       
        $.ajax({
            url: 'http://localhost:44391/api/GouWuChe/DengLu/',
            data: s,
            type: 'get',
            dataType: 'json',
            success: function (d) {
                if (d !="") {
                    alert("登录成功");
                    sessionStorage["name"] = this.uid;
                    location.href = '/Shop/IndexShang';
                   
                   
                }
                else {
                    alert("登录失败");
                    return;
                }
            }
        })
    }
</script>

------------注册视图
<h2>注册京东账号</h2>
<div>
    <table>
        <tr>
            <td>账号</td>
            <td><input type="text" id="uid" /></td>
        </tr>
        <tr>
            <td>密码</td>
            <td><input type="text" id="pwd" /></td>
        </tr>
        <tr>
            <td>    </td>
            <td><input type="button" value="提交" onclick="tijiao()" /></td>
        </tr>
    </table>
</div>
<script>
    function tijiao() {
        var s = {};
        s.uid = $("#uid").val();
        s.pwd = $("#pwd").val();
        $.ajax({
            url: 'http://localhost:44391/api/GouWuChe/ZhuChe',
            data: s,
            type: 'post',
            dataType: 'json',
            success: function (d) {
                if (d > 0) {
                    alert("注册成功");
                    location.href = '/DL/Index';
                }
                else {
                    alert("注册失败");
                }
            }
        })
    }
</script>

 

 

 

 

显示‘’‘’
dal层带异常处理
 //获取产品表
        public List<ChanPinModel> GetChanPin()
        {
            try
            {
                string sql = "select * from ChanPin";
                return LogHelper.GetShows<ChanPinModel>(sql);
            }
            catch (Exception)
            {

                throw;
            }
          
        }

        //获取订单表
        public List<DingDanModel> GetDingDan()
        {
            try
            {
                string sql = "select * from DingDan";
                return LogHelper.GetShows<DingDanModel>(sql);
            }
            catch (Exception)
            {

                throw;
            }

        }
--API的控制器
 Dal dal = new Dal();

        //产品表的获取
        [HttpGet]
        [Route("api/ChanPin")]
        public List<ChanPinModel> GetChanPin()
        {
            return dal.GetChanPin();
        }

        //订单表的获取
        [HttpGet]
        [Route("api/DingDan")]
        public List<DingDanModel> GetDingDan()
        {
            return dal.GetDingDan();
        }
------------------------------------视图显示页面
<script src="~/Scripts/jquery-3.3.1.js"></script>
<link href="~/Content/bootstrap.css" rel="stylesheet" />
<span>产品列表</span>
<table class="table table-bordered">
    <thead>
        <tr>
            <td>编号</td>
            <td>产品名称</td>
            <td>价格</td>
        </tr>
    </thead>
    <tbody id="Body"></tbody>
</table>

<span>订单列表</span>
<table class="table table-bordered">
    <thead>
        <tr>
            <td>编号</td>
            <td>订单号</td>
            <td>总价</td>
        </tr>
    </thead>
    <tbody id="BodyDan"></tbody>
</table>

<script>
    $(function () {
        ShowChanPin();
    })

    function ShowChanPin() {
        $.ajax({
            url: "http://localhost:62506/api/ChanPin",
            DataType: "json",
            type: "get",
            success: function (i) {

                ShowDingDan();

                $("#Body").empty();

                var line;

                $(i).each(function () {
                    line = '<tr>' +
                        '<td>' + this.Id + '</td>' +
                        '<td>' + this.Name + '</td>' +
                        '<td>' + this.Money + '</td>' +
                        '</tr>';
                    $("#Body").append(line);

                })
            }
        })
    }

        function ShowDingDan() {
        $.ajax({
            url: "http://localhost:62506/api/DingDan",
            DataType: "json",
            type: "get",
            success: function (i) {

                $("#BodyDan").empty();

                var line;

                $(i).each(function () {
                    line = '<tr>' +
                        '<td>' + this.Id + '</td>' +
                        '<td>' + this.DanHao + '</td>' +
                        '<td>' + this.SumMoney + '</td>' +
                        '</tr>';
                    $("#BodyDan").append(line);

                })
            }
        })
    }
</script>