ExtJs学习笔记（2）_Basic GridPanel[基本网格]

ExtJs学习笔记（2）_Basic GridPanel[基本网格]2010-11-16 cnblogs yjmyzz1.静态示例:

静态示例其实官方下载包里，就有sample，这里只贴出代码，后面的如何跟WCF结合，做出动态版的Grid才是本文重点

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   <script type="text/javascript" src="../adapter/ext/ext-base.js"></script>
  <script type="text/javascript" src="../ext-all.js"></script>
  <title>ExtJs Study</title>
</head>
<body>

<script type="text/javascript">
  Ext.onReady（function（） {

Ext.state.Manager.setProvider（new Ext.state.CookieProvider（））;//设置缓存

//数据来源，实际应用用可动态读取
  var myData = [
    ["3m Co", 71.72, 0.02, 0.03, "9/1 12:00am"],
    ["Alcoa Inc", 29.01, 0.42, 1.47, "9/1 12:00am"],
    ["Altria Group Inc", 83.81, 0.28, 0.34, "9/1 12:00am"],
    ["American Express Company", 52.55, 0.01, 0.02, "9/1 12:00am"],
    ["American International Group, Inc.", 64.13, 0.31, 0.49, "9/1 12:00am"],
    ["AT&T Inc.", 31.61, -0.48, -1.54, "9/1 12:00am"],
    ["Boeing Co.", 75.43, 0.53, 0.71, "9/1 12:00am"],
    ["Caterpillar Inc.", 67.27, 0.92, 1.39, "9/1 12:00am"],
    ["Citigroup, Inc.", 49.37, 0.02, 0.04, "9/1 12:00am"],
    ["E.I. du Pont de Nemours and Company", 40.48, 0.51, 1.28, "9/1 12:00am"],
    ["Exxon Mobil Corp", 68.1, -0.43, -0.64, "9/1 12:00am"],
    ["General Electric Company", 34.14, -0.08, -0.23, "9/2 12:00am"],
    ["General Motors Corporation", 30.27, 1.09, 3.74, "9/3 12:00am"],
    ["Hewlett-Packard Co.", 36.53, -0.03, -0.08, "9/1 12:00am"],
    ["Honeywell Intl Inc", 38.77, 0.05, 0.13, "9/1 12:00am"],
    ["Intel Corporation", 19.88, 0.31, 1.58, "9/1 12:00am"],
    ["International Business Machines", 81.41, 0.44, 0.54, "9/1 12:00am"],
    ["Johnson & Johnson", 64.72, 0.06, 0.09, "9/1 12:00am"],
    ["JP Morgan & Chase & Co", 45.73, 0.07, 0.15, "9/1 12:00am"],
    ["McDonald"s Corporation", 36.76, 0.86, 2.40, "9/1 12:00am"],
    ["Merck & Co., Inc.", 40.96, 0.41, 1.01, "9/1 12:00am"],
    ["Microsoft Corporation", 25.84, 0.14, 0.54, "9/1 12:00am"],
    ["Pfizer Inc", 27.96, 0.4, 1.45, "9/1 12:00am"],
    ["The Coca-Cola Company", 45.07, 0.26, 0.58, "9/1 12:00am"],
    ["The Home Depot, Inc.", 34.64, 0.35, 1.02, "9/1 12:00am"],
    ["The Procter & Gamble Company", 61.91, 0.01, 0.02, "9/1 12:00am"],
    ["United Technologies Corporation", 63.26, 0.55, 0.88, "9/1 12:00am"],
    ["Verizon Communications", 35.57, 0.39, 1.11, "9/1 12:00am"],
    ["Wal-Mart Stores, Inc.", 45.45, 0.73, 1.63, "9/1 12:00am"]
  ];

  //"变化"字段的格式化输出
  function change（val） {
    if （val > 0） {
      return "<span style="color:green;">" + val + "</span>";
    } else if （val < 0） {
      return "<span style="color:red;">" + val + "</span>";
    }
    return val;
  }

  //"变化（%）"字段的格式化输出
  function pctChange（val） {
    if （val > 0） {
      return "<span style="color:green;">" + val + "%</span>";
    } else if （val < 0） {
      return "<span style="color:red;">" + val + "%</span>";
    }
    return val;
  }

  //创建数据存储（类似c#中的dataset构架）
  var store = new Ext.data.SimpleStore（{
    fields: [
      { name: "company" },
      { name: "price", type: "float" },
      { name: "change", type: "float" },
      { name: "pctChange", type: "float" },
      { name: "lastChange", type: "date", dateFormat: "n/j h:ia" }
    ]
  }）;
  store.loadData（myData）;//加载数据

  //创建数据表格
  var grid = new Ext.grid.GridPanel（{
    store: store,
    columns: [
      { id: "company", header: "公司名", width: 160, sortable: true, dataIndex: "company" },
      { header: "价格", width: 75, sortable: true, renderer: "usMoney", dataIndex: "price" },
      { header: "变化", width: 75, sortable: true, renderer: change, dataIndex: "change" },
      { header: "变化（%）", width: 75, sortable: true, renderer: pctChange, dataIndex: "pctChange" },
      { header: "最后更新", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer（"m/d/Y"）, dataIndex: "lastChange" }
    ],
    stripeRows: true,
    autoExpandColumn: "company",
    height: 350,
    width: 600,
    title: "简单网络示例"
  }）;

  grid.render（"grid-example"）;//宣染指定ID

  grid.getSelectionModel（）.selectFirstRow（）;//默认选择第一行

  }）;
</script>

<button id="btnHello">Hello World</button>
<div id="grid-example"></div>
</body>
</html>