• ExtJS+Handler入门显示


    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
    <title></title>

    <link href="extjs3/resources/css/ext-all.css" rel="stylesheet" />
    <script src="extjs3/adapter/ext/ext-base.js"></script>
    <script src="extjs3/ext-all.js"></script>

    <script>
    Ext.onReady(function () {
    var sm = new Ext.grid.CheckboxSelectionModel();
    var cm = new Ext.grid.ColumnModel([
    new Ext.grid.RowNumberer(),
    sm,
    { header: '编号', dataIndex: 'Id', sortable: true },
    { header: '名称', dataIndex: 'Name' },
    { header: '描述', dataIndex: 'descn' },
    {
    header: '日期', dataIndex: 'Time', type: 'date'
    },
    { header: '性别', dataIndex: 'sex', renderer:function(value){
    if (value == "男") {
    return "<span style='color:red;font-weight:bold;'>红男</span >";
    } else {
    return "<span style='color:green;font-weight:bold;'>女</span >";
    }

    } }

    ]);//创建列
    //var data = [
    // ['1', 'name1', 'descn1','1970-01-12T02:58:04','男'],
    // ['2', 'name2', 'descn2', '1970-01-12T02:58:04', '男'],
    // ['3', 'name3', 'descn3', '1970-01-12T02:58:04', '男'],
    // ['1', 'name1', 'descn1', '1970-01-12T02:58:04', '男'],
    // ['2', 'name2', 'descn2', '1970-01-12T02:58:04', '男'],
    // ['3', 'name3', 'descn3', '1970-01-12T02:58:04', '男'],
    // ['1', 'name1', 'descn1', '1970-01-12T02:58:04', '男'],
    // ['2', 'name2', 'descn2', '1970-01-12T02:58:04', '男'],
    // ['1', 'name1', 'descn1', '1999-01-12T02:58:04', '女'],
    // ['2', 'name2', 'descn2', '1999-01-12T02:58:04', '女'],
    // ['3', 'name3', 'descn3', '1999-01-12T02:58:04', '女'],
    // ['1', 'name1', 'descn1', '1999-01-12T02:58:04', '女'],
    // ['2', 'name2', 'descn2', '1999-01-12T02:58:04', '女'],
    // ['3', 'name3', 'descn3', '1999-01-12T02:58:04', '女'],
    // ['1', 'name1', 'descn1', '1999-01-12T02:58:04', '女'],
    // ['2', 'name2', 'descn2', '1999-01-12T02:58:04', '女'],
    //]
    var store = new Ext.data.Store({
    proxy: new Ext.data.HttpProxy({
    url: 'Handler3.ashx',
    type: 'ajax',
    getMethod: function () { return 'POST'; },
    reader: {
    type: 'json',

    }
    }),
    reader:new Ext.data.JsonReader({},[
    {name:'Id'},
    {name:'Name'},
    { name: 'descn' },
    { name: 'Time' },
    { name: 'sex' },
    ])
    })
    store.load();
    var grid = new Ext.grid.GridPanel({
    renderTo: 'test',
    store: store,
    height: 200,

    sm:new Ext.grid.RowSelectionModel({singleSelet:true}),
    stripeRows: true,
    loadMask:true,
    cm: cm,
    viewConfig: {
    columnsText: '显示的列',
    sortAscText: '降序',
    sortDescText: '升序',
    scrollOffset:50,
    forceFit:true
    },
    bbar: new Ext.PagingToolbar({
    pageSize: 5,
    store: store,
    displayInfo: true,
    displayMsg: '显示第{0}条到第{1}条的记录,一共{2}条',
    emptyMsg:"没有记录"
    }),

    });
    store.load();
    Ext.get('remove').on('click', function () {
    store.remove(store.getAt(1));
    grid.view.refresh();
    })
    grid.on('click', function () {
    var selection = grid.getSelectionModel().getSelections();//获取行集合
    for (var i = 0; i < selection.length; i++)
    {
    var record = selection[i];
    Ext.Msg.alert('提示', record.get("Id") + "," + record.get('Name') + "," + record.get("descn"));
    }
    })
    });
    </script>
    </head>
    <body>
    <form id="form1" runat="server">
    <div>
    <div id="test"></div>
    <input id="remove" type="button" value="删除" />
    <input id="addbtn" type="button" value="添加"/>
    </div>
    </form>
    </body>
    </html>

    后台代码:

    public void ProcessRequest(HttpContext context)
    {
    context.Response.ContentType = "text/plain";
    List<student> list = new List<student>();
    for (int i = 0; i < 100; i++)
    {
    student stu = new student();
    stu.Id = i++;
    stu.Name = "name" + i++;
    stu.descn = "朝阳" + i + "区";
    stu.Time = DateTime.Now.ToString();
    if (i % 2 == 0)
    {
    stu.sex = "男";
    }
    else
    {
    stu.sex = "女";
    }
    list.Add(stu);
    }
    string JSON = Newtonsoft.Json.JsonConvert.SerializeObject(list);
    context.Response.Write(JSON);
    }

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  • 原文地址:https://www.cnblogs.com/Cjb8973/p/6868686.html
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