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MVC 【Razor 视图引擎】案例分析
using MvcApplication1.Models; using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; namespace MvcApplication1.Controllers { public class LoginController : Controller { // // GET: /Login/ // 登录视图 public ActionResult Index() { return View(); } // 登录验证 public ActionResult YanZheng(string uname, string pwd) { bool b = new UsersData().SelectUser(uname, pwd); if (b) { Response.Cookies["user"].Value =http://www.mamicode.com/ uname; Response.Cookies["user"].Expires = DateTime.Now.AddDays(3); return RedirectToAction("Index", "Home"); } else { TempData["loginerror"] = "用户名密码错误"; return RedirectToAction("Index", "Login"); } } } }
@{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> </head> <body> <div> @{using (Html.BeginForm("YanZheng", "Login")) { @:用户名：<input type="text" name="uname" /><br /> @:密码：<input type="password" name="pwd" /><br /> <input type="submit" value=http://www.mamicode.com/"登录" /> if (TempData["loginerror"] != null) { <div style="color: red;">@TempData["loginerror"]</div> } } } </div> </body> </html>
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using MvcApplication1.Models; using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; namespace MvcApplication1.Controllers { public class HomeController : Controller { // // GET: /Home/ //展示方法 public ActionResult Index() { //判断是否登录，有登录信息展示 if (Request.Cookies["user"] != null) { return View(); } else { //无登录信息返回原视图 return RedirectToAction("Index", "Login"); } } //添加视图 public ActionResult Insert() { return View(); } //添加方法 //界面上 name 取的名 与字段名一样 会自动拼成匹配的对象 public ActionResult Insert1(Users u) { new UsersData().Insert(u); return RedirectToAction("Index"); } //修改 接收传值 public ActionResult Update(string id) { Users u = new UsersData().SelectUser(id); if (u != null) { return View(u); } else { return RedirectToAction("index", "Home"); } } }
@{ Layout = null; } @using MvcApplication1.Models; @*引用命名空间*@ <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> </head> <body> <div> <h1>这是Razor语法出来的视图主界面</h1> <table style="width: 100%; text-align: center; background-color: navy;"> <tr style="color: white;"> <td>用户名</td> <td>密码</td> <td>昵称</td> <td>性别</td> <td>生日</td> <td>民族</td> <td>操作</td> </tr> @{ List<Users> ulist = new UsersData().SelectAll(); foreach (Users u in ulist) { <tr style="background-color: white;"> <td>@u.UserName</td> <td>@u.PassWord</td> <td>@(u.NickName)同学</td> <td>@(u.Sex == true ? "男" : "女")</td> <td>@u.Birthday.Value.ToString("yyyy年MM月dd日")</td> <td>@u.UserNation.NationName</td> <td>@Html.ActionLink("修改", "Update/" + u.Ids, "Home") </td> @*修改--在动作后面接 传的值*@ </tr> } } </table> @Html.ActionLink("添加hehe", "Insert", "Home") @*使用超链接添加*@ <input type="button" value=http://www.mamicode.com/"添加新用户" id="btn1" /> @*使用普通按钮添加*@ </div> </body> </html> <script type="text/javascript"> document.getElementById("btn1").onclick = function () { window.location.href = "@Url.Action("Insert", "Home")"; } @*使用普通按钮添加----方法*@ </script>
@{ Layout = null; } @using MvcApplication1.Models; @*引用命名空间*@ <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Insert</title> </head> <body> <div> <h1>添加新用户</h1> @{ using (Html.BeginForm("Insert1", "Home", "post")) { @:用户名：<input type="text" name="username" /><br /> @:密码：<input type="text" name="password" /><br /> @:昵称：<input type="text" name="nickname" /><br /> @:性别： <input type="radio" value=http://www.mamicode.com/"True" id="r1" name="sex" checked="checked" /><label for="r1">男</label> <input type="radio" value=http://www.mamicode.com/"False" id="r2" name="sex" /><label for="r2">女</label> <br /> @:生日：<input type="text" name="birthday" /><br /> @:民族： <select name="nation"> @{ List<UserNation> unlist = new UserNationData().SelectAll(); foreach (UserNation un in unlist) { <option value=http://www.mamicode.com/"@un.NationCode">@un.NationName</option> } } </select> <br /> <div id="div1" style="width: 100px; height: 100px; background-color: red;">保存</div> <input type="button" value=http://www.mamicode.com/"保存" id="btn1" /> } } </div> </body> </html> <script type="text/javascript"> document.getElementById("div1").onclick = function () { this.parentNode.submit(); //点击div时 提交 } document.getElementById("btn1").onclick = function () { this.form.submit(); } //普通按钮提交 </script>
@{ Layout = null; } @using MvcApplication1.Models; @*引用命名空间*@ @model Users @* 声明传进来的强类型的数据类型*@ <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Update</title> </head> <body> <div> @{ using (Html.BeginForm("Update1", "Home", "post")) { @:用户名：<input type="text" disabled="disabled" name="username" value=http://www.mamicode.com/"@Model.UserName" /><br /> @:密码：<input type="text" name="password" value=http://www.mamicode.com/"@Model.PassWord" /><br /> @:昵称：<input type="text" name="nickname" value=http://www.mamicode.com/"@Model.NickName" /><br /> @:性别： <input type="radio" value=http://www.mamicode.com/"True" id="r1" name="sex" @(Model.Sex == true ? "checked=‘checked‘" : "") /><label for="r1">男</label> <input type="radio" value=http://www.mamicode.com/"False" id="r2" name="sex" @(Model.Sex == false ? "checked=‘checked‘" : "") /><label for="r2">女</label> <br /> @:生日：<input type="text" name="birthday" value=http://www.mamicode.com/"@Model.Birthday.Value" /><br /> @:民族： <select name="nation"> @{ List<UserNation> unlist = new UserNationData().SelectAll(); foreach (UserNation un in unlist) { <option @(un.NationCode == Model.Nation ? "selected=‘selected‘" : "") value=http://www.mamicode.com/"@un.NationCode">@un.NationName</option> } } </select> <br /> <div id="div1" style="width: 100px; height: 100px; background-color: red;">保存</div> //用 div 提交 <input type="button" value=http://www.mamicode.com/"保存" id="btn1" /> //用普通按钮提交 } } </div> </body> </html> <script type="text/javascript"> document.getElementById("div1").onclick = function () { this.parentNode.submit(); //用 div 提交 } document.getElementById("btn1").onclick = function () { this.form.submit(); //用普通按钮提交 } </script>
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@{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Test1</title> <script src=http://www.mamicode.com/"~/js/jquery-1.7.1.min.js"></script> </head> <body> <div> <input type="text" id="txt1" name="t1" /> <input type="button" value=http://www.mamicode.com/"验证" id="btn1" /> </div> </body> </html> <script type="text/javascript"> $("#btn1").click(function () { $.ajax({ url: "/ajax/aaa.ashx", data: { "t": $("#txt1").val() }, type: "post", dataType: "json", success: function (msg) { if (msg.ok == "0") { alert("可用"); } else { alert("抱歉，已被占用！！"); } } }); }); </script>
using System; using System.Collections.Generic; using System.Linq; using System.Web; using MvcApplication1.Models; namespace MvcApplication1.ajax { /// <summary> /// aaa 的摘要说明 /// </summary> public class aaa : IHttpHandler { public void ProcessRequest(HttpContext context) { string end = "{\"ok\":\"0\"}"; string uname = context.Request["t"]; using (DataClasses1DataContext con = new DataClasses1DataContext()) { Users u = con.Users.Where(r => r.UserName == uname).FirstOrDefault(); if (u != null) { end = "{\"ok\":\"1\"}"; } } context.Response.Write(end); context.Response.End(); } public bool IsReusable { get { return false; } } } }
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MVC 【Razor 视图引擎】案例分析
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