extJs 텍스트 상자 뒤에 설명 텍스트+드 롭 다운 목록 선택 값 을 추가 하면 이벤트 가 발생 합 니 다.

var showForm; 
function panelShowForm() 
{ 
showForm=null; 
showForm = new Ext.FormPanel({ 
renderTo:"showPanel", 
region:'north', 
border:false, 
bodyBorder:false, 
frame:true, 
waitMsgTarget: true, 
labelAlign:'right', 
id:"showForm", 
items:[{ 
layout:'column', 
labelWidth:129, 
items:[ 
{ 
columnWidth:.6, 
layout:'form', 
items:{ 
name:"enable", 
hiddenName:"enable", 
fieldLabel:'        ', 
xtype:'combo', 
editable: false,//      lazyRender:true, 
blankText : '         ', //      
allowBlank : false, //      
mode: 'local', 
triggerAction: 'all', 
store:new Ext.data.SimpleStore({ 
fields: ["value", "text"], data: [['1','  '],['0','  ']] 
}), 
//         fields   
valueField :"value", 
displayField: "text", 
listeners:{ change:function(){changeValue();} 
}, 
anchor:'100%' 
} 
},{ 
columnWidth:.4, 
layout:'form', 
items:{ 
hiddenName:"infoFillOne", 
name:"infoFillOne", 
xtype:'label', 
html:'<font color=red>     ,        </font>', 
labelSeparator:'', 
anchor:'100%' 
} 
},{ 
columnWidth:.6, 
layout:'form', 
items:{hiddenName:"updateDay", 
name:"updateDay", 
xtype:'textfield', 
fieldLabel:'    ', 
emptyText : '  -1     ', 
maxLength:'100', 
readOnly:false, 
vtype:'day', 
anchor:'100%' 
} 
},{ 
columnWidth:.4, 
layout:'form', 
items:{ 
hiddenName:"info", 
name:"info", 
xtype:'label', 
//labelAlign:'left', 
html: 
'<font color=red>   -1,      </font>', 
labelSeparator:'', 
anchor:'100%' 
} 
}] 
}] 
}) 
} 

/** 
*            
*/ 
function changeValue() 
{ 
if(queryForm.form.findField('enable').getValue()=="0") 
{ 
$("updateDay").disabled = true; 
}else{ 
$("updateDay").disabled = false; 
} 
} 
/** 
*      
*/ 
function input() 
{ 
panelShowForm(); 
win=new Ext.Window({ 
title:"extJs          ", 
width:200, //    width  
hight:200, //    hight  
x:100, //     x   
y:100, //     y   
plain : true, 
modal : true, //     
maximizable:true,      
resizable:false, //           
items:[showForm] 
}) 
}