从控制器传递多个Model到视图,可以通过ViewData, ViewBag, PartialView, TempData, ViewModel,Tuple等,本篇逐一体验。本篇源码在github

 

在视图页面,下拉框选择课程触发事件,分别显示老师课程表、学生上课表,如图:

 

相关的Model:

    public class Course
    {
        public int Id { get; set; }
        public string Name { get; set; }
    }
 
    public class Teacher
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public List<Course> Courses { get; set; }
    }
 
    public class Student
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public List<Course> Courses { get; set; }
    }

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

  使用ViewData传递多个Model

□ HomeController

        public ActionResult Index()
        {
            ViewData["Courses"] = _repository.GetCourses();
            ViewData["Students"] = _repository.GetStudents();
            ViewData["Teachers"] = _repository.GetTeachers();
            return View();
        } 

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ Home/Index.cshtml

@using MvcApplication1.Models
@using System.Web.Helpers;
@{
    
    Layout = null;
}
 
<!DOCTYPE html>
 
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>ViewDataDemo</title>
    <script src="~/Scripts/jquery-1.8.2.js"></script>
    <script type="text/javascript">
        $(function () {
            //隐藏
            $('#students').hide();
            $('#teachers').hide();
 
            //点击课程下拉框           
            $('#sel').change(function() {
                selectedCourseName = $('#sel').val().trim();
                if (selectedCourseName == "--选择课程--") {
                    $('#students').hide();
                    $('#teachers').hide();
                } else {
                    getTeacherTable();
                    getStudentTable();
                    $('#students').show();
                    $('#teachers').show();
                }
            });
        });
 
        var selectedCourseName;
 
        //创建老师课程表
        function getTeacherTable() {
            $('#teachersTable').empty();
            $('#teachersTable').append("<table id='tblTeachers'><tr><th>编号</th><th>姓名</th></tr></table>");
            //把所有老师转换成json格式
            var teachers = @Html.Raw(Json.Encode(ViewData["Teachers"]));
 
            for (var i = 0; i < teachers.length; i++) {
                var courses = teachers[i].Courses;
                for (var j = 0; j < courses.length; j++) {
                    if (courses[j].Name == selectedCourseName) {
                        $('#tblTeachers').append("<tr><td>"+courses[i].Id+"</td><td>"+courses[i].Name+"</td></tr>");
                    }
                }
            }
        }
 
        //创建学生上课表
        function getStudentTable() {
            $('#studentsTable').empty();
            $('#studentsTable').append("<table id='tblStudents'><tr><th>编号</th><th>姓名</th></tr></table>");
            var students = @Html.Raw(Json.Encode(ViewData["Students"]));
            for (var i = 0; i < students.length; i++) {
                var courses = students[i].Courses;
                for (var j = 0; j < courses.length; j++) {
                    if (courses[j].Name == selectedCourseName) {
                        $('#tblStudents').append("<tr><td>"+courses[j].Id+"</td><td>"+courses[j].Name+"</td></tr>");
                    }
                }
            }
        }
    </script>
</head>
<body>
    <div>
        <table>
            <tr>
                <td><h3>选择课程</h3></td>
                <td>
                    <select id="sel">
                        <option>--选择课程--</option>
                        @foreach (var course in ViewData["Courses"] as List<Course>)
                        {
                            <option>@course.Name</option>
                        }
                    </select>
                </td>
            </tr>
        </table>
    </div>
    <div id="teachers">
        <h4>老师课程表</h4>
        <div id="teachersTable"></div>
    </div>
    <div id="students">
        <h4>学生上课表</h4>
        <div id="studentsTable"></div>
    </div>
</body>
</html>
 

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

@Html.Raw(Json.Encode(ViewData["Students"]))是把Model转换成json字符串,需要用到System.Web.Helpers,把此类库引用到项目,并且必须设置"复制到本地属性"为true,否则报错。

 

  使用ViewBag传递多个Model

□ HomeController

        public ActionResult ViewBagDemo()
        {
            ViewBag.Courses = _repository.GetCourses();
            ViewBag.Students = _repository.GetStudents();
            ViewBag.Teachers = _repository.GetTeachers();
            return View();
        } 

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ Home/ViewBagDemo.cshtml

下拉框遍历课程改成:

@foreach (var course in ViewBag.Courses)     

 

getTeacherTable()方法中改成:

var teachers = @Html.Raw(Json.Encode(ViewBag.Teachers));

 

getStudentTable()方法中改成:

var students = @Html.Raw(Json.Encode(ViewBag.Students));

 

  使用部分视图传递多个Model

□ HomeController

        public ActionResult PartialViewDemo()
        {
            List<Course> courses = _repository.GetCourses();
            return View(courses);
        }
       
        public ActionResult StudentsToPVDemo(string courseName)
        {
            IEnumerable<Course> courses = _repository.GetCourses();
            var selectedCourseId = (from c in courses
                                    where c.Name == courseName
                                    select c.Id).FirstOrDefault();
 
            IEnumerable<Student> students = _repository.GetStudents();
            var studentsInCourse = students.Where(s => s.Courses.Any(c => c.Id == selectedCourseId)).ToList();
 
            return PartialView("StudentPV", studentsInCourse);
        }
 
        public ActionResult TeachersToPVDemo(string courseName)
        {
            IEnumerable<Course> courses = _repository.GetCourses();
            var selectedCourseId = (from c in courses
                                    where c.Name == courseName
                                    select c.Id).FirstOrDefault();
 
            IEnumerable<Teacher> teachers = _repository.GetTeachers();
            var teachersForCourse = teachers.Where(t => t.Courses.Any(c => c.Id == selectedCourseId)).ToList();
 
            return PartialView("TeacherPV", teachersForCourse);
        } 

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ Home/PartialViewDemo.cshmtl

@model IEnumerable<MvcApplication1.Models.Course>
 
@{
    Layout = null;
}
 
<!DOCTYPE html>
 
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>PatialViewDemo</title>
    <script src="~/Scripts/jquery-1.8.2.js"></script>
    <script type="text/javascript">
        $(function () {
            //隐藏
            $('#students').hide();
            $('#teachers').hide();
 
            //点击课程下拉框           
            $('#sel').change(function() {
                selectedCourseName = $('#sel').val().trim();
                if (selectedCourseName == "--选择课程--") {
                    $('#students').hide();
                    $('#teachers').hide();
                } else {
                    getTeacherTable();
                    getStudentTable();
                    $('#students').show();
                    $('#teachers').show();
                }
            });
        });
 
        var selectedCourseName;
 
        //创建老师课程表
        function getTeacherTable() {
            $.ajax({
                url: "@Url.Action("TeachersToPVDemo","Home")",
                type: 'Get',
                data: { courseName: selectedCourseName },
                success: function(data) {
                    $('#teachersTable').empty().append(data);
                },
                error: function() {
                    alert("sth wrong");
                }
            });
        }
 
        //创建学生上课表
        function getStudentTable() {
            $.ajax({
                url: "@Url.Action("StudentsToPVDemo","Home")",
                type: 'Get',
                data: { courseName: selectedCourseName },
                success: function (data) {
                    $('#studentsTable').empty().append(data);
                },
                error: function () {
                    alert("sth wrong");
                }
            });
        }
    </script>
</head>
<body>
    <div>
        <table>
            <tr>
                <td><h3>选择课程</h3></td>
                <td>
                    <select id="sel">
                        <option>--选择课程--</option>
                        @foreach (var course in Model)
                        {
                            <option>@course.Name</option>
                        }
                    </select>
                </td>
            </tr>
        </table>
    </div>
    <div id="teachers">
        <h4>老师课程表</h4>
        <div id="teachersTable"></div>
    </div>
    <div id="students">
        <h4>学生上课表</h4>
        <div id="studentsTable"></div>
    </div>
</body>
</html>
 

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ TeacherPV.cshtml与StudentPV.cshtml

@model IEnumerable<MvcApplication1.Models.Teacher>
 
<table id="tblTeacherDetail">
    <tr>
        <th>编号</th>
        <th>名称</th>
    </tr>
    @foreach (var item in Model)
    {
        <tr>
            <td>@item.Id</td>
            <td>@item.Name</td>
        </tr>
    }
</table>

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

  使用TempData传递多个Model

□ HomeController

        public ActionResult TempDataDemo()
        {
            //第一次从数据库读取数据放到TempData中,以后的请求从TempData中获取数据
            TempData["Courses"] = _repository.GetCourses();
 
            //让TempData保存数据,直到下一次请求
            TempData.Keep("Courses");
            return View();
        }
 
        public ActionResult TeachersTempData(string courseName)
        {
            var courses = TempData["Courses"] as IEnumerable<Course>;
 
            //由于TempData["Courses"]还要被下一次请求,继续TempData保存数据
            TempData.Keep("Courses");
 
            var selectedCourseId = (from c in courses
                where c.Name == courseName
                select c.Id).FirstOrDefault();
 
            IEnumerable<Teacher> teachers = _repository.GetTeachers();
            var teachersForCourse = teachers.Where(t => t.Courses.Any(c => c.Id == selectedCourseId)).ToList();
 
            return PartialView("TeacherPV", teachersForCourse);
        }
 
        public ActionResult StudentsTempData(string courseName)
        {
            var courses = TempData["Courses"] as IEnumerable<Course>;
 
            //由于TempData["Courses"]还要被下一次请求,继续TempData保存数据
            TempData.Keep("Courses");
 
            var selectedCourseId = (from c in courses
                                    where c.Name == courseName
                                    select c.Id).FirstOrDefault();
 
            IEnumerable<Student> students = _repository.GetStudents();
            var studentsForCourse = students.Where(s => s.Courses.Any(c => c.Id == selectedCourseId)).ToList();
 
            return PartialView("StudentPV", studentsForCourse);
        }

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ Home/TempDataDemo.cshtml

下拉框遍历课程:

@foreach (var course in Model)

 

ajax请求老师课程表:

@Url.Action("TeachersTempData","Home")

 

ajax请求学生上课表:

@Url.Action("StudentsTempData","Home")

 

  使用ViewModel传递多个Model

□ View Model

    public class SchoolVm
    {
        public List<Course> Courses { get; set; }
        public List<Student> Students { get; set; }
        public List<Teacher> Teachers { get; set; }
    }

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ HomeController

        public ActionResult ViewModelDemoVM()
        {
            SchoolVm vm = new SchoolVm();
            vm.Courses = _repository.GetCourses();
            vm.Teachers = _repository.GetTeachers();
            vm.Students = _repository.GetStudents();
            return View(vm);
        }

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ Home/ViewModelDemoVM.cshtml

@model MvcApplication1.Models.SchoolVm

下拉框遍历课程:

@foreach (var course in Model.Courses)

 

ajax请求老师课程表和学生上课表:

@Html.Raw(Json.Encode(Model.Teachers))

@Html.Raw(Json.Encode(Model.Students))

 

  使用Tuple传递多个Model

□ HomeController

        public ActionResult TupleDemo()
        {
            var allModels = new Tuple<List<Course>, List<Teacher>, List<Student>>(_repository.GetCourses(),
                _repository.GetTeachers(), _repository.GetStudents()) {};
            return View(allModels);
        }

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }

 

□ Home/TupleDemo.cshtml

@model Tuple <List <MvcApplication1.Models.Course>, List <MvcApplication1.Models.Teacher>, List <MvcApplication1.Models.Student>>   

下拉框遍历课程:

@foreach (var course in Model.Item1)

 

ajax请求老师课程表和学生上课表:

@Html.Raw(Json.Encode(Model.Item2))

@Html.Raw(Json.Encode(Model.Item3))

参考资料:

Using Multiple Models in a View in ASP.NET MVC 4 / MVC 5

MVC控制器传递多个Model到视图,使用ViewData, ViewBag, 部分视图, TempData, ViewModel, Tuple的更多相关文章

  1. MVC控制器传递多个实体类集合到视图的方案总结

    MVC控制器向视图传递数据包含多个实体类的解决方案有很多,这里主要针对视图模型.动态模型以及Tuple三种方法进行一些总结与记录. 基础集合类:TableA namespace ViewModelSt ...

  2. .net mvc控制器传递方法到视图

    很多人都是在视图里面定义方法,然后再使用.我个人也是这么干的.但是为了验证是否可以将方法从控制器传递到视图,所以做了个测试.结果真的可以.原理是利用了委托(delegate),因为委托本身就是一种类型 ...

  3. MVC使用jQuery从视图向控制器传递Model,数据验证,MVC HTML辅助方法小结

    //MVC HTML辅助类常用方法记录 (1)@Html.DisplayNameFor(model => model.Title)是显示列名, (2)@Html.DisplayFor(model ...

  4. MVC使用jQuery从视图向控制器传递Model的2种方法

    http://blog.csdn.net/make1828/article/details/29846003 using System.ComponentModel.DataAnnotations; ...

  5. ASP.NET MVC 5 - 将数据从控制器传递给视图

    在我们讨论数据库和数据模型之前,让我们先讨论一下如何将数据从控制器传递给视图.控制器类将响应请求来的URL.控制器类是给您写代码来处理传入请求的地方,并从数据库中检索数据,并最终决定什么类型的返回结果 ...

  6. Asp.Net Mvc 控制器与视图的数据传递

    数据传递也就是控制器和视图之间的交互,比如在视图中提交的数据,在控制器怎么获取,或者控制器从业务层获得一些数据,怎么传递到视图中,让视图显示在客户端呢?带着这些疑问,我们接着看..        下面 ...

  7. ASP.NET MVC 5 学习教程:控制器传递数据给视图

    原文 ASP.NET MVC 5 学习教程:控制器传递数据给视图 起飞网 ASP.NET MVC 5 学习教程目录: 添加控制器 添加视图 修改视图和布局页 控制器传递数据给视图 添加模型 创建连接字 ...

  8. MVC 5 - 将数据从控制器传递给视图

    MVC 5 - 将数据从控制器传递给视图 在我们讨论数据库和数据模型之前,让我们先讨论一下如何将数据从控制器传递给视图.控制器类将响应请求来的URL.控制器类是给您写代码来处理传入请求的地方,并从数据 ...

  9. 【ASP.NET MVC系列】浅谈ASP.NET MVC 视图与控制器传递数据

    ASP.NET MVC系列文章 [01]浅谈Google Chrome浏览器(理论篇) [02]浅谈Google Chrome浏览器(操作篇)(上) [03]浅谈Google Chrome浏览器(操作 ...

随机推荐

  1. Codeforces 963A Alternating Sum(等比数列求和+逆元+快速幂)

    题目链接:http://codeforces.com/problemset/problem/963/A 题目大意:就是给了你n,a,b和一段长度为k的只有'+'和‘-’字符串,保证n+1被k整除,让你 ...

  2. 【读书笔记】Android的Ashmem机制学习

    Ashmem是安卓在linux基础上添加的驱动模块,就是说安卓有linux没有的功能. Ashmem模块在内核层面上实现,在运行时库和应用程序框架层提供了访问接口.在运行时库层提供的是C++接口,在应 ...

  3. Vue.js学习笔记(一) - 起步

    本篇将简单介绍一下Vue.js,并在Node.js环境下搭建一个简单的Demo. 一.简介 我个人理解,Vue.js是一套前端视图层的框架,它只关心视图展示和数据绑定,它的一些语法与Angular 1 ...

  4. pyqt5猜数小程序

    程序界面用qt设计师制作,并用pyuic5命令转换成form.py文件 #-*- coding:utf-8 -*- from PyQt5.QtWidgets import QApplication,Q ...

  5. ECshop 迁移到 PHP7版本时遇到的兼容性问题,ecshopphp7

    ECshop 迁移到 PHP7版本时遇到的兼容性问题,ecshopphp7 在 PHP7 上安装 ECShop V2.7.3时,报错! Deprecated: Methods with the sam ...

  6. C#使用Pechkin与CPechkin生成PDF

    http://blog.sina.com.cn/s/blog_5a52cec70102wpcf.html 1. Pechkin     从NuGet程序管理器中获得Pechkin,代码示例如下:   ...

  7. Java中面向对象的理解

    按照惯例,先做一个简单的介绍,现在开始学习 Thinging in Java 4 ,一边看,一边记录,我都不想给自己设定时间安排了,毕竟很少实现过.所以就这样吧!不定期的更新,我都会放到博客中的. 所 ...

  8. 俄罗斯方块 Tetris

    今天,为大家带来一个用Qt C++ (Windows环境下)做的一个简易俄罗斯方块小游戏 思路和模块介绍都在注释里面,其次就是一些项目中遇到的问题以及解决方案,在后面部分说明. 一.效果 测试图样 Q ...

  9. 1006 Sign In and Sign Out (25)(25 point(s))

    problem At the beginning of every day, the first person who signs in the computer room will unlock t ...

  10. luoguP1659 [国际集训队]拉拉队排练 manacher算法

    直接统计长度为$i$的回文子串有多少个 然后倒叙枚举长度,快速幂统计一下即可 复杂度$O(n \log n)$ #include <cstdio> #include <cstring ...