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  • 分页---Vue+.net+bootstrap实现

    通过学习Vue,的确觉的Vue的双向绑定使用起来十分方便,因此研究了一下列表显示时分页的实现,这里我使用了bootstrap的样式,所以在页面中引用bootstrap的样式文件,后台提数据源使用.net的,数据库访问使用EF,如果库中存有大量数据,为提高显示速度还是建议使用更好的数据访问方式,比如dapper,下面看看我的实现 :

    1、首先创建一个分页的类PageList,封装其分页所需的各值:

     public class PageList
        {
            /// <summary>
            /// 初始化
            /// </summary>
            /// <param name="curPage">当前页</param>
            /// <param name="total">记录数</param>
            /// <param name="pagesize">每页显示的记录数</param>
            /// <param name="showPageNum">页码显示数量</param>
            public PageList(int curPage, int total,int pagesize=10,int showPageNum=9)
            {
                this.total = total;
                this.pagesize = pagesize;
                this.curPage = curPage;
                this.showPageNum = showPageNum;
                this.firstNum = 1;
                this.lastNum = this.totalPages;
                this.pagelist = this.getPagelist();
            }
            //前面的点,前面省略的页数用.来代表,
            public bool previousSpot { get; set; }
            //后面的点,后面省略的页数用.来代表,
            public bool nextSpot { get; set; }
            //第一个页数,一般都是1
            public int firstNum { get; set; }
            //最后一个页数,也就是最大页数
            public int lastNum { get; set; }
            //默认页面显示最多页号数目
            public int showPageNum { get; set; }
            public int total { get; set; }//总记录数
            //总页数
            public int totalPages
            {
                get
                {
                    return (int)Math.Ceiling((double)total / pagesize);
                }
            }
            public int curPage { get; set; }//当前页
            public int pagesize { get; set; }//每页大小
    
            //页数列表,此列表中不包含第一页和最后一页
            public List<int> pagelist { get; set; }
    
            public List<int> getPagelist()
            {
                var p = new List<int>();
                if (totalPages <= showPageNum)//全部显示
                {
                    for (int i = 2; i < totalPages; i++)
                    {
                        p.Add(i);
                    }
                }
                else
                {
                    var yiban = ((int)((showPageNum + 1) / 2)) - 1;//前后保留页数大小
                    if (curPage - yiban > 1 && curPage + yiban < totalPages)
                    {
                        //两头都可取值
                        this.previousSpot = this.nextSpot = true;
                        for (int i = curPage - yiban+1; i < curPage + yiban; i++)
                        {
                            p.Add(i);
                        }
                    }
                    else if (curPage - yiban > 1 )
                    {
                        //右头值少
                        this.previousSpot = true;
                        for (int i = totalPages - 1; i > totalPages - showPageNum + 2; i--)
                        {
                            p.Add(i);
                        }
    
                    }
                    else if (curPage - yiban <= 1 )
                    {
                        //左头值少
                        this.nextSpot = true;
                        for (int i = 2; i < showPageNum; i++)
                        {
                            p.Add(i);
                        }
                    }
                }
                return p.OrderBy(x => x).ToList();
            }

    这里默认设定了显示页码时最多显示的页码数量为9,也就是页码数量超过9时,用...隐藏其超过的数,当前页始终显示在最中央。

    2、后台提取数据的控制器:

      int pagesize = 10;//设定每页显示的记录数量
            //
            public ActionResult GetData(int curPage = 1)
            {
                var total = db.news.Count();//取记录数
                var pages = new PageList(curPage, total, pagesize);//初始化分页类
                var list = db.news.OrderBy(x => x.id).Skip((curPage - 1) * pagesize).Take(pagesize);//取页面记录列表
                var data = new { list = list, pages = pages };//构造对象
                return Json(data, JsonRequestBehavior.AllowGet);
            }

    页面中的数据是通过异步方式提取,第一次是默认是第一页,这里的页面记录列表的提取使用了EF,当然还可以使用其它方式访问数据库,这里只是为了方便演示,建议在真正项目使用更加高效的方法。

    这里提供dapper访问的方法,其中加入了查询语句。

           public ActionResult getdata(news info, int page = 1)
            {
                var conn = db.Database.Connection;
                var sql = string.Format("select * ,row_number() over ( order by id desc ) as rownum from news where 1=1 ");
    
                if (!string.IsNullOrEmpty(info.title))
                {
                    sql = string.Format(sql + " and title like '%{0}%'", info.title);
                }
                if (!string.IsNullOrEmpty(info.writer))
                {
                    sql = string.Format(sql + " and writer like '%{0}%'", info.writer);
                }
                if (!string.IsNullOrEmpty(info.depname))
                {
                    sql = string.Format(sql + " and depname ='{0}'", info.depname);
                }
    
                var sql2 = string.Format("select top {0} * from (" + sql + ") as a where a.rownum>({1}-1)*{0} and a.rownum<={0}*{1}", pagesize, page);
                var sqlcount = string.Format("select count(rownum) from (" + sql + ")");
    
                using (conn)
                {
    
                    var list = conn.Query<news>(sql2);
                    var total = conn.QuerySingle<int>("select count(id) from (" + sql + ") as aa");
                    var pages = new PageList(page, pagesize, total);
    
                    var obj = new { list = list, pages = pages };
    
                    return Json(obj, JsonRequestBehavior.AllowGet);
                }
            }

    3、页面中的分页实现如下:

    @{
        ViewBag.Title = "Index";
    }
    <link href="~/Content/css/bootstrap-theme.min.css" rel="stylesheet" />
    <link href="~/Content/css/bootstrap.min.css" rel="stylesheet" />
    <link href="~/Content/css/font-awesome.min.css" rel="stylesheet" />
    <script src="~/Content/js/jquery-1.8.2.min.js"></script>
    <script src="~/Content/js/bootstrap.min.js"></script>
    <script src="~/Scripts/vue.min.js"> </script>
    <script src="~/Scripts/axios.min.js"></script>
    <hr>
    
    <div id="app">
        <ul>
            <li v-for="item in list">{{item.title}}</li>
        </ul>
    
        <nav aria-label="Page navigation">
            <ul class="pagination">
                <li v-bind:class="{disabled:pages.curPage==1}">
                    <a href="javascript:;" v-on:click="pages.curPage==1?'':go(pages.curPage-1)" aria-label="Previous">
                        <span aria-hidden="true">&laquo;</span>
                    </a>
                </li>
                <li v-bind:class="{active:pages.curPage==1}"><a href="javascript:;" v-on:click="go(1)">{{pages.firstNum}}</a></li>
                <li v-if="pages.previousSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-for="item in pages.pagelist" v-bind:class="{active:pages.curPage==item}"><a href="javascript:;" v-on:click="go(item)">{{item}}</a></li>
                <li v-show="pages.nextSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-bind:class="{active:pages.curPage==pages.lastNum}"><a href="javascript:;" v-on:click="go(pages.lastNum)">{{pages.lastNum}}</a></li>
                <li v-bind:class="{disabled:pages.curPage==pages.lastNum}">
                    <a href="javascript:;" v-on:click="pages.curPage==pages.lastNum?'':go(pages.curPage+1)" aria-label="Next">
                        <span aria-hidden="true">&raquo;</span>
                    </a>
                </li>
            </ul>
        </nav>
    </div>
    
    
    <script type="text/javascript">
        var app = new Vue({
            el: '#app',
            data:{
                list: [],
                pages:[],
            },
            mounted: function () {
                this.getData();
            },
            methods: {
                go: function (n) {
                    this.getData(n);
                },
                getData: function (n) {
                    var _this = this;
                    axios.post("/home/getData", {
                        curPage: n
                    }).then(function (res) {
                        _this.pages = res.data.pages;
                        _this.list = res.data.list;
                    });
                }
            }
        });
    </script>

    分页部分已经通过改造,使用了Vue的方式,使用时直接复制即可使用,使用的方法就有两个go,getData,每次在使用时可以在方法中加入这两个方法, ajax使用axios.js实现 。

    简单写成组件,以后再完善

    @{
        ViewBag.Title = "Index";
    }
    <link href="~/Content/css/bootstrap-theme.min.css" rel="stylesheet" />
    <link href="~/Content/css/bootstrap.min.css" rel="stylesheet" />
    <link href="~/Content/css/font-awesome.min.css" rel="stylesheet" />
    <script src="~/Content/js/jquery-1.8.2.min.js"></script>
    <script src="~/Content/js/bootstrap.min.js"></script>
    <script src="~/Scripts/vue.min.js"> </script>
    <script src="~/Scripts/axios.min.js"></script>
    <hr>
    
    <div id="app">
        <ul>
            <li v-for="item in list">{{item.title}}</li>
        </ul>
        <mypage v-bind:pages="pages" v-on:getdata="getData"></mypage>
    </div>
    <template id="myPage">
        <nav aria-label="Page navigation">
            <ul class="pagination">
                <li v-bind:class="{disabled:pages.curPage==1}">
                    <a href="javascript:;" v-on:click="pages.curPage==1?'':go(pages.curPage-1)" aria-label="Previous">
                        <span aria-hidden="true">&laquo;</span>
                    </a>
                </li>
                <li v-bind:class="{active:pages.curPage==1}"><a href="javascript:;" v-on:click="go(1)">{{pages.firstNum}}</a></li>
                <li v-if="pages.previousSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-for="item in pages.pagelist" v-bind:class="{active:pages.curPage==item}"><a href="javascript:;" v-on:click="go(item)">{{item}}</a></li>
                <li v-show="pages.nextSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-bind:class="{active:pages.curPage==pages.lastNum}"><a href="javascript:;" v-on:click="go(pages.lastNum)">{{pages.lastNum}}</a></li>
                <li v-bind:class="{disabled:pages.curPage==pages.lastNum}">
                    <a href="javascript:;" v-on:click="pages.curPage==pages.lastNum?'':go(pages.curPage+1)" aria-label="Next">
                        <span aria-hidden="true">&raquo;</span>
                    </a>
                </li>
            </ul>
        </nav>
    </template>
    
    <script type="text/javascript">
        Vue.component('mypage', {
            template: '#myPage',
            props: ['pages'],
            methods: {
                go: function (n) {
                    this.$emit("getdata", n=n);
                },
            }
        });
        var app = new Vue({
            el: '#app',
            data:{
                list: [],
                pages:[],
            },
            mounted: function () {
                this.getData();
            },
            methods: {
                go: function (n) {
                    this.getData(n);
                },
                getData: function (n) {
                    n = n || 1;
    
                    var _this = this;
                    axios.post("/home/getData", {
                        curPage: n
                    }).then(function (res) {
                        _this.pages = res.data.pages;
                        _this.list = res.data.list;
                    });
                }
            }
        });
    </script>

     进一步改进组件,通用性更好,下面把访问地址等提取到组件中

    @{
        ViewBag.Title = "Index";
    }
    <link href="~/Content/css/bootstrap-theme.min.css" rel="stylesheet" />
    <link href="~/Content/css/bootstrap.min.css" rel="stylesheet" />
    <link href="~/Content/css/font-awesome.min.css" rel="stylesheet" />
    <script src="~/Content/js/jquery-1.8.2.min.js"></script>
    <script src="~/Content/js/bootstrap.min.js"></script>
    <script src="~/Scripts/vue.min.js"> </script>
    <script src="~/Scripts/axios.min.js"></script>
    <hr>
    
    <div id="app">
        <ul>
            <li v-for="item in list">{{item.title}}</li>
        </ul>
        <mypage v-on:getdata="getdata" url="/home/getdata"></mypage>
    </div>
    <template id="myPage">
        <nav aria-label="Page navigation">
            <ul class="pagination">
                <li v-bind:class="{disabled:pages.curPage==1}">
                    <a href="javascript:;" v-on:click="pages.curPage==1?'':go(pages.curPage-1)" aria-label="Previous">
                        <span aria-hidden="true">&laquo;</span>
                    </a>
                </li>
                <li v-bind:class="{active:pages.curPage==1}"><a href="javascript:;" v-on:click="go(1)">{{pages.firstNum}}</a></li>
                <li v-if="pages.previousSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-for="item in pages.pagelist" v-bind:class="{active:pages.curPage==item}"><a href="javascript:;" v-on:click="go(item)">{{item}}</a></li>
                <li v-show="pages.nextSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-bind:class="{active:pages.curPage==pages.lastNum}"><a href="javascript:;" v-on:click="go(pages.lastNum)">{{pages.lastNum}}</a></li>
                <li v-bind:class="{disabled:pages.curPage==pages.lastNum}">
                    <a href="javascript:;" v-on:click="pages.curPage==pages.lastNum?'':go(pages.curPage+1)" aria-label="Next">
                        <span aria-hidden="true">&raquo;</span>
                    </a>
                </li>
            </ul>
        </nav>
    </template>
    
    <script type="text/javascript">
        Vue.component('mypage', {
            template: '#myPage',
            props: ['url'],
            data:function(){
                return {
                    pages: [],
                }
            },
            mounted: function () {
                this.go(1);
            },
            methods: {
                go: function (n) {
                    this.getData(n);
                },
                getdata: function (n) {
                    var me = this;
                    axios.post(this.url, {
                        curPage: n
                    }).then(function (res) {
                        me.pages = res.data.pages;
                        me.$emit("getdata", res.data.list);
                    });
                }
            }
        });
        var app = new Vue({
            el: '#app',
            data: {
                list: [],
            },
            methods: {
                getData: function (data) {
                    this.list = data;
                }
            }
        });
    </script>

    为了以后能重用,可以把组件放在一个页面中,其它地方法引用组件。在.netMVC4下封装此分页实现如下 :

    分页实现

    1、自定义一个分页类:WzhPaged,封装分页各参数

    public class WzhPaged
        {
            /// <summary>
            /// 初始化
            /// </summary>
            /// <param name="curPage">当前页</param>
            /// <param name="total">记录数</param>
            /// <param name="pagesize">每页显示的记录数</param>
            /// <param name="showPageNum">页码显示数量</param>
            public WzhPaged(int curPage, int total, int pagesize = 10, int showPageNum = 9)
            {
                this.total = total;
                this.pagesize = pagesize;
                this.curPage = curPage;
                this.showPageNum = showPageNum;
                this.firstNum = 1;
                this.lastNum = this.totalPages;
                this.pagelist = this.getPagelist();
            }
            //前面的点,前面省略的页数用.来代表,
            public bool previousSpot { get; set; }
            //后面的点,后面省略的页数用.来代表,
            public bool nextSpot { get; set; }
            //第一个页数,一般都是1
            public int firstNum { get; set; }
            //最后一个页数,也就是最大页数
            public int lastNum { get; set; }
            //默认页面显示最多页号数目
            public int showPageNum { get; set; }
            public int total { get; set; }//总记录数
            //总页数
            public int totalPages
            {
                get
                {
                    return (int)Math.Ceiling((double)total / pagesize);
                }
            }
            public int curPage { get; set; }//当前页
            public int pagesize { get; set; }//每页大小
    
            //页数列表,此列表中不包含第一页和最后一页
            public List<int> pagelist { get; set; }
    
            public List<int> getPagelist()
            {
                var p = new List<int>();
                if (totalPages <= showPageNum)//全部显示
                {
                    for (int i = 2; i < totalPages; i++)
                    {
                        p.Add(i);
                    }
                }
                else
                {
                    var yiban = ((int)((showPageNum + 1) / 2)) - 1;//前后保留页数大小
                    if (curPage - yiban > 1 && curPage + yiban < totalPages)
                    {
                        //两头都可取值
                        this.previousSpot = this.nextSpot = true;
                        for (int i = curPage - yiban + 1; i < curPage + yiban; i++)
                        {
                            p.Add(i);
                        }
                    }
                    else if (curPage - yiban > 1)
                    {
                        //右头值少
                        this.previousSpot = true;
                        for (int i = totalPages - 1; i > totalPages - showPageNum + 2; i--)
                        {
                            p.Add(i);
                        }
    
                    }
                    else if (curPage - yiban <= 1)
                    {
                        //左头值少
                        this.nextSpot = true;
                        for (int i = 2; i < showPageNum; i++)
                        {
                            p.Add(i);
                        }
                    }
                }
                return p.OrderBy(x => x).ToList();
            }
        }

    2、使用Vue封装好分页代码单独放在一个页面中,比如在Views/Shared下添加页面   _pagehelper.cshtml:

    <template id="mypage">
        <nav aria-label="Page navigation">
            <ul class="pagination">
                <li v-bind:class="{disabled:pages.curPage==1}">
                    <a href="javascript:;" v-on:click="pages.curPage==1?'':go(pages.curPage-1)" aria-label="Previous">
                        <span aria-hidden="true">&laquo;</span>
                    </a>
                </li>
                <li v-bind:class="{active:pages.curPage==1}"><a href="javascript:;" v-on:click="go(1)">{{pages.firstNum}}</a></li>
                <li v-if="pages.previousSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-for="item in pages.pagelist" v-bind:class="{active:pages.curPage==item}"><a href="javascript:;" v-on:click="go(item)">{{item}}</a></li>
                <li v-show="pages.nextSpot" class="disabled"><span><span aria-hidden="true">...</span></span></li>
                <li v-if="pages.lastNum!=1&&pages.lastNum!=0" v-bind:class="{active:pages.curPage==pages.lastNum}"><a href="javascript:;" v-on:click="go(pages.lastNum)">{{pages.lastNum}}</a></li>
                <li v-bind:class="{disabled:pages.curPage==pages.lastNum}">
                    <a href="javascript:;" v-on:click="pages.curPage==pages.lastNum?'':go(pages.curPage+1)" aria-label="Next">
                        <span aria-hidden="true">&raquo;</span>
                    </a>
                </li>
            </ul>
        </nav>
    </template>
    
    <script type="text/javascript">
        Vue.component('mypage', {
            template: '#mypage',
            props: ['url', 'prop'],
            data: function () {
                return {
                    pages: [],
                }
            },
            mounted: function () {
                this.go(1);
            },
            methods: {
                go: function (n) {
                    this.getdata(n);
                },
                getdata: function (n) {
                    this.prop = this.prop || {};
                    this.prop.curPage = n;
                    var me = this;
                    axios.post(this.url, this.prop).then(function (res) {
                        me.pages = res.data.pages;
                        me.$emit("getdata", res.data.list);
                    });
                }
            }
        });
    </script>

    3、在每个模板页中引用上面的组件文件,比如模板页_Layout.cshtml中引用此页:

    <!DOCTYPE html>
    <html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width" />
        <title>@ViewBag.Title</title>
        <link href="~/Content/css/bootstrap-theme.min.css" rel="stylesheet" />
        <link href="~/Content/css/bootstrap.min.css" rel="stylesheet" />
        <link href="~/Content/css/font-awesome.min.css" rel="stylesheet" />
        <script src="~/Content/js/jquery-1.8.2.min.js"></script>
        <script src="~/Content/js/bootstrap.min.js"></script>
        <script src="~/Scripts/vue.min.js"> </script>
        <script src="~/Scripts/axios.min.js"></script>
    </head>
    <body>
        @{Html.RenderPartial("_pagehelper");}
    
        @RenderBody()
        @RenderSection("scripts", required: false)
    </body>
    </html>

    只要使用了此模板的网页就有了分页的组件,就可以方便快捷的使用分页组件了。

    4、下面在需要分页功能的页面上使用组装好的组件,考虑到页面中可能会使用到查询功能,所以分两种情况,无查询搜索功能和有查询搜索功能。

    (1).无查询搜索功能,比较简单一点:

    <div id="app">
        <ul>
            <li v-for="item in list">{{item.title}}</li>
        </ul>
    
        <div v-if="list.length==0">
                <span> 无数据</span>
            </div>
        <mypage v-on:getdata="getData" url="/home/getlistData"></mypage>
    
    </div>
    
    <script type="text/javascript">
            var app = new Vue({
            el: '#app',
            data: {
                list: [],
            },
            methods: {
                getData: function (data) {
                    this.list = data;
                }
            }
        });
    </script>
     <mypage v-on:getdata="getData" url="/home/getlistData"></mypage>, getdata是设置要显示的列表集合赋值, url是页面在页码间跳转时获取数据来源的地址。

    (2)有查询搜索功能,这个较复杂一些,根据自身需求自己来写查询条件,这里列出本人在项目使用的方法

    <div id="app">
        <div class="search">
            <input placeholder="标题" style="200px;display:inline-block" class="form-control" v-model.trim="title" />
            <input placeholder="撰稿人" style="200px;display:inline-block" class="form-control" v-model.trim="writer" />
            发部单位:<select v-model="depname" class="form-control" style="auto;display:inline">
                <option></option>
                <option v-for="dep in deps">{{dep}}</option>
            </select>
            <button class="btn btn-info" v-on:click="btnSearch"><i class="fa fa-search fa-lg"></i> 查询</button>
            <button class="btn btn-warning" v-on:click="btnReset"><i class="fa fa-search fa-lg"></i> 重置</button>
        </div>
    
            <div>
            <table class="table table-responsive">
                <tr>
                    <th width="50%">标题</th>
                    <th>时间</th>
                    <th>一级栏目</th>
                    <th>二级栏目</th>
                    <th>发表者</th>
                    <th>单位</th>
                </tr>
                <tr v-for="item in list">
                    <td><a v-bind:href="'/home/news/'+item.id" target="_blank"> {{item.title}}</a></td>
                    <td>
                        {{item.addtime|formatedate}}
                    </td>
                    <td>{{item.colfirstName}}</td>
                    <td>{{item.colsecondName}}</td>
                    <td>{{item.writer}}</td>
                    <td>{{item.depname}}</td>
                   
                </tr>
            </table>
        
          <div v-if="list.length==0">
                <span> 无数据</span>
          </div>
         <mypage v-on:getdata="getData" url="/home/getlistData" v-bind:prop="prop" ref="myref" ></mypage>
         </div>
     </div>
    <script>
        var app = new Vue({
            el: '#app',
            data: {
                list: [],
                deps: [],
                depname: "",
                title: "",
                writer: "",
                curpage: 1,
                type:'@ViewBag.type'
            },
            filters: {
                formatedate: function (d) {
                    if (d != "") {
                        var date = new Date(parseInt(d.substring(6, 19)));
                        return date.toLocaleDateString();
                    }
                }
            },
            mounted: function () {
                this.$nextTick(function () {
                    this.loadDep();
                });
            },
            methods: {
                btnReset: function () {
                    this.depname = this.title = this.writer = "";
                },
               
                getData: function (data) {
                    this.list = data;
                },
                btnSearch: function () {
                    this.$refs.myref.go(1);
                },
                loadDep: function () {
                    var _this = this;
                    axios.post("/home/getDepName").then(function (res) {
                        _this.deps = res.data;
                    });
                }
            },
            computed: {
                prop: function () {
                    return { title: this.title, writer: this.writer, depname: this.depname, type: this.type }
                }
            },
        });
    </script>
         <mypage v-on:getdata="getData" url="/home/getlistData" v-bind:prop="prop" ref="myref" ></mypage> ,多了两个属性, prop是查询和跳转时用到的参数,比如查询姓名等,但这里跳转的页码是不用管,因为我已经在组件中完成它了。
    prop要在计算属性中设置好要传送的值。
     

    6、.net后台,控制器

    不需要查询的:

     public ActionResult getData(int curPage = 1)
            {
                var total = db.news.Count();//取记录数
                var pages = new PageList(curPage, total, pagesize);//初始化分页类
                var list = db.news.OrderBy(x => x.id).Skip((curPage - 1) * pagesize).Take(pagesize);//取页面记录列表
                var obj = new { list = list, pages = pages };//构造对象
                return Json(obj, JsonRequestBehavior.AllowGet);
            }

    需要查询的:

     public ActionResult getlistdata(news info, int curPage = 1, string type = "")
            {
                var conn = db.Database.Connection;
                var sql = string.Format("select * ,row_number() over ( order by id desc ) as rownum from news where ispublish=1 and colsecondName='{0}' ", type);
    
                if (!string.IsNullOrEmpty(info.title))
                {
                    sql = string.Format(sql + " and title like '%{0}%'", info.title);
                }
                if (!string.IsNullOrEmpty(info.writer))
                {
                    sql = string.Format(sql + " and writer like '%{0}%'", info.writer);
                }
                if (!string.IsNullOrEmpty(info.depname))
                {
                    sql = string.Format(sql + " and depname ='{0}'", info.depname);
                }
    
                var sql2 = string.Format("select top {0} * from (" + sql + ") as a where a.rownum>({1}-1)*{0} and a.rownum<={0}*{1}", pagesize, curPage);
                var sqlcount = string.Format("select count(rownum) from (" + sql + ")");
    
                using (conn)
                {
    
                    var newslist = conn.Query<news>(sql2);
                    var total = conn.QuerySingle<int>("select count(id) from (" + sql + ") as aa");
                    var pagelist = new WzhPaged(curPage, total, pagesize);
    
                    var obj = new { list = newslist, pages = pagelist };
    
                    return Json(obj, JsonRequestBehavior.AllowGet);
                }
            }
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  • 原文地址:https://www.cnblogs.com/lunawzh/p/7632926.html
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