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Javascript
javascript进行客户端数据的校验
javascript中如何实现浏览器上的右键菜单
用javascript使链接按钮不断变化
利用javascript制作倒计时牌
用javascript实现变色背景和文字
让弹出窗口变得“体贴”一些(javascript)
javascript实例教程(1) 创建弹出式窗口
javascript实例教程(2) 创建折叠式导航菜单
javascript实例教程(3) 探测浏览器插件
javascript实例教程(4) 探测浏览器插件
javascript实例教程(5) 在一个表单中设置和检查Cookies
javascript实例教程(6) 利用javascript进行密码保护
javascript实例教程(7) 利用javascript基于浏览器类型的重定向
javascript实例教程(8) 检验表单有效性
javascript实例教程(9) 随机显示图片
javascript实例教程(10) 创建后退按钮
javascript实例教程(11) 隐藏script代码
javascript实例教程(12) 鼠标移过时报警
javascript实例教程(13) 鼠标触发窗口
javascript实例教程(14) JS代替CGI

Javascript 中的 JS小练习代码之二


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JS练习代码 相关的源代码如下:
1.beginFormPanel.js(作用:外层html文件中表单的展现)
<script>
var beginFormPanel = Ext.extend(Ext.form.FormPanel,{
constructor:function()
{
beginFormPanel.superclass.constructor.call
(
this,
{
title:"myForm(绝不裸奔)",
width:418,
height:180,
frame:true,
labelWidth:45,
style:"margin-left:250px",
defaultType:"textfield",
defaults:{anchor:"95%"},
items:
[
{
fieldLabel:"姓名",
name:"name"
},
{
fieldLabel:"年龄",
name:"age"
},
{
fieldLabel:"性别",
name:"sex"
},
{
fieldLabel:"住址",
name:"addr"
}
],
buttons:
[
{
text:"添加"
},
{
text:"修改"
},
{
text:"删除"
}
],
renderTo:Ext.getBody()
}
) ;
}
}) ;
</script>
2.beginPanel.js(作用:GridPanel与窗口以及窗口中FormPanel的实现)
<script>
/**************************** FormPanel *****************************************************/
var myWindowForm = Ext.extend(Ext.form.FormPanel,{
constructor:function()
{
myWindowForm.superclass.constructor.call
(
this,
{
labelWidth:45,
defaultType:"textfield",
defaults:{anchor:"93%"},
style:"padding:5px",
baseCls:"x-plain",
items:
[
{
fieldLabel:"姓名",
name:"name",
allowBlank:false,
blankText:"姓名不能够为空!"
},
{
fieldLabel:"年龄",
name:"age",
allowBlank:false,
vtype:"age",
blankText:"年龄不能够为空!"
},
{
fieldLabel:"性别",
name:"sex",
allowBlank:false,
blankText:"性别不能够为空!"
},
{
fieldLabel:"住址",
name:"addr",
allowBlank:false,
blankText:"住址不能够为空!"
}
]
}
) ;
},
getValues:function()
{
if(this.getForm().isValid())
{
return new Ext.data.Record(this.getForm().getValues()) ;
}
else
{
throw error("表单验证没通过哦!") ;
}
},
setValues:function(record)
{
this.getForm().loadRecord(record) ;
},
reset:function()
{
this.getForm().reset() ;
}
}) ;
/******************************** Window ***********************************/
var myWindow = Ext.extend(Ext.Window,{
form:new myWindowForm(),
constructor:function()
{
myWindow.superclass.constructor.call
(
this,
{
title:"myWindow(绝不裸奔)",
width:300,
height:185,
frame:true,
plain:true,
modal:true,
items:this.form,
closable:false,//禁止关闭
collapsible:true,//可折叠
buttons:
[
{
text:"确定",
handler:this.onSubmitClick,
scope:this
},
{
text:"取消",
handler:this.onCancelClick,
scope:this
}
]
}
) ;
this.addEvents("submit") ;
},
close:function()
{
this.hide() ;
},
onSubmitClick:function()
{
/*
try
{
this.fireEvent("submit",this,this.form.getValues()) ;
}
catch (error)
{
Ext.Msg.alert("警告","请将需要填写的信息填写完整!") ;
}
*/
this.fireEvent("submit",this,this.form.getValues()) ;
this.close() ;
},
onCancelClick:function()
{
//上面不加scope属性则提示this.form为空
this.form.reset() ;
this.close() ;
}
}) ;
JS练习代码
/************************** GridPanel **************************************/
var beginMyPanel = Ext.extend(Ext.grid.GridPanel,{
insertWin:new myWindow(),
constructor:function()
{
//this.insertWin = new myWindow() ;
var myData =
[
["th","91","非女","地球"],
["thtwin","92","男","地球"],
["thtwinj2ee","93","非女","地球"],
["thj2ee","94","男","地球"],
["thtwin","95","非女","地球"]
] ;
var myRecord = Ext.data.Record.create
(
["name","age","sex","addr"]
) ;
var myColumn = new Ext.grid.ColumnModel
(
[
{header:"姓名",dataIndex:"name"},
{header:"年龄",dataIndex:"age"},
{header:"性别",dataIndex:"sex"},
{header:"住址",dataIndex:"addr"}
]
) ;
var myStore = new Ext.data.Store
(
{
proxy:new Ext.data.MemoryProxy(myData),
reader:new Ext.data.ArrayReader
(
{},
myRecord
)
}
) ;
beginMyPanel.superclass.constructor.call
(
this,
{
title:"myGridPanel(thtwinj2ee)",
frame:true,
width:418,
height:250,
cm:myColumn,
ds:myStore,
style:"margin:20,0,10,250",
tbar:
[
{
text:"添加人员",
handler:function()
{
this.insertWin.show() ;
},
scope:this
},
"-",//得到的结果为:|
{text:"修改人员"},
"-",
{text:"删除人员"}
],
selModel:new Ext.grid.RowSelectionModel
(
{
listeners:
{
"rowselect":
{
fn:function(row,index,record)
{
this.setTitle("修改之后的GridPanel的名字!") ;
//注意下面的这句 ***** 1 ******
this.fireEvent("rowselect",record) ;
},
scope:this
}
}
}
),
renderTo:Ext.getBody()
}
) ;
myStore.load() ;
//注意下面这句 ***** 2 ******
this.addEvents("rowselect") ;
this.insertWin.on("submit",this.onInsertWinSubmit,this) ;
},
insert:function(myRecord)
{
this.getStore().add(myRecord) ;
},
onInsertWinSubmit:function(insertWin,myRecord)
{
this.insert(myRecord) ;
}
}) ;
</script>
3.静态html页面的表现
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="../AllRes/resources/css/ext-all.css"/>
<script type="text/javascript" src="../AllRes/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../AllRes/ext-all.js"></script>
<script type="text/javascript" src="beginPanel.js"></script>
<script type="text/javascript" src="beginFormPanel.js"></script>
<script>
Ext.onReady(function(){
Ext.QuickTips.init() ;
Ext.form.Field.prototype.msgTarget="side" ;
Ext.apply(Ext.form.VTypes,{
"age":function(value)
{
//此处用正则表达式要使
if(/^\d+$/.test(value))
{
return true ;
}
return false ;
},
"ageText":"请输入正确的年龄!"
}
) ;
/* var newnewMyWindowForm = new myWindowForm() ;
newMyWindowForm.render(Ext.getBody()) ;
*/
// var newnewMyWindow = new myWindow() ;
// newMyWindow.show() ;
var myGridPanel = new beginMyPanel() ;
var myForm = new beginFormPanel() ;
//注意下面这句与***** 1 ****** 和 ***** 2 ******的关系
myGridPanel.on
(
"rowselect",
function(selectedRow)
{
this.getForm().loadRecord(selectedRow) ;
},
myForm
) ;
}) ;
</script>
</head>
<body>
</body>
</html>