extjs_11_mvc模式

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1.非mvc模式

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grid.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>My JSP "index.jsp" starting page</title><link rel="stylesheet" type="text/css" href="./extjs4.1/resources/css/ext-all.css">
<script type="text/javascript" src="./extjs4.1/ext-all-debug.js"></script>
<script type="text/javascript" src="./extjs4.1/locale/ext-lang-zh_CN.js"></script><script type="text/javascript">
Ext.onReady(function() {
// 自己定义数据模型
var jsonpModel = Ext.define("jsonpModel", {
extend : "Ext.data.Model",
fields : [ {
name : "userid",
type : "string"
}, {
name : "username",
type : "string"
}, {
name : "dateline",
type : "string"
}, {
name : "title",
type : "string"
} ]
});
// 数据
var myStore = Ext.create("Ext.data.Store", {
model : "jsonpModel",
pageSize : 10,//配置每页显示记录数
proxy : {
type : "jsonp",
url : "http://www.sencha.com/forum/topics-browse-remote.php",
reader : {
totalProperty : "totalCount",
root : "topics"
}
},
autoLoad : true
// 自己主动载入数据
});// 表格
var myGrid = new Ext.grid.Panel({
columns : [ {
xtype : "rownumberer",
text : "行号",
width : 30
}, {
text : "用户id",
dataIndex : "userid"
}, {
text : "用户姓名",
dataIndex : "username"
}, {
text : "时间线",
dataIndex : "dateline"
}, {
text : "标题",
dataIndex : "title"
} ],
store : myStore,
bbar : {// 在表格底部配置分页
xtype : "pagingtoolbar",
store : myStore,
displayInfo : true
}
});// 窗体
var window = Ext.create("Ext.window.Window", {
title : "用户信息",
width : 600,
height : 400,
items : myGrid,
layout : "fit",
tbar : {
xtype : "toolbar",
items : [ {
xtype : "button",
text : "新增",
listeners : {
"click" : function(btn) {
Ext.Msg.alert("标题", "新增");
}
}
}, {
xtype : "button",
text : "编辑",
listeners : {
"click" : function(btn) {
Ext.Msg.alert("标题", "编辑");
}
}
} ]
}
});
window.show();
});
</script></head><body>
显示跨域jsonp数据
<br>
</body>
</html>

2.mvc模式

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UserController.js

Ext.define("core.user.controller.UserController", {
extend : "Ext.app.Controller",
refs : [{
ref : 'userGrid',
selector : 'usergrid'
}],
init : function() {
var me = this;
me.control({
"usergrid button[ref=add]" : {
click : me.doBtnClick
},
"usergrid button[ref=edit]" : {
click : me.doBtnClick
}
});
},
doBtnClick : function(btn) {
var grid = this.getUserGrid();
Ext.Msg.alert("提示", "在面板【" + grid.title + "】点击了【" + btn.text
+ "】按钮");
},
stores : ["core.user.store.UserStore"],
models : ["core.user.model.UserModel"],
views : ["core.user.view.UserGrid"]
})

UserModel.js

Ext.define("core.user.model.UserModel", {
extend : "Ext.data.Model",
fields : [{
name : "userid",
type : "string"
}, {
name : "username",
type : "string"
}, {
name : "dateline",
type : "string"
}, {
name : "title",
type : "string"
}]
});

UserStore.js

Ext.define("core.user.store.UserStore", {
extend : "Ext.data.Store",
pageSize : 10,// 配置每页显示记录数
model : "core.user.model.UserModel",
proxy : {
type : "jsonp",
url : "http://www.sencha.com/forum/topics-browse-remote.php",
reader : {
totalProperty : "totalCount",
root : "topics"
}
},
autoLoad : true
});

UserGrid.js

Ext.define("core.user.view.UserGrid", {
extend : "Ext.grid.Panel",
alias : "widget.usergrid",// 别名默认所有使用小写
title : '用户信息',
layout : 'fit',
store : "core.user.store.UserStore",
columns : [{
xtype : "rownumberer",
text : "行号",
width : 30
}, {
text : "用户id",
dataIndex : "userid"
}, {
text : "用户姓名",
dataIndex : "username"
}, {
text : "时间线",
dataIndex : "dateline"
}, {
text : "标题",
dataIndex : "title"
}],
tbar : {// 顶部工具条
xtype : "toolbar",
items : [{
xtype : "button",
text : "新增",
ref : "add"
}, {
xtype : "button",
text : "编辑",
ref : "edit"
}]
},
bbar : {// 在表格底部配置分页
xtype : "pagingtoolbar",
store : "core.user.store.UserStore",
displayInfo : true
},
initComponent : function() {
this.callParent(arguments);
}
})

mvc.js

Ext.onReady(function() {
Ext.application({
name : "core",
appFolder : "core/coreApp",
views : ["core.user.view.UserGrid"],
controllers : ["core.user.controller.UserController"],
launch : function() {
var viewPort = Ext.create("Ext.container.Viewport",
{
layout : "fit",
items : {
xtype : "usergrid"
}
});
}
});
});

mvc.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>extjs mvc</title><meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="./extjs4.1/resources/css/ext-all.css" />
<script type="text/javascript" src="./extjs4.1/ext-all-debug.js"></script>
<script type="text/javascript" src="./extjs4.1/locale/ext-lang-zh_CN.js"></script><script type="text/javascript" src="./core/mvc.js"></script></head><body>
</body>
</html>