form表单属性介绍
<HTML><HEAD><TITLE>使用EXT输出HelloWorld</TITLE><!-- 导入extjs配置 … ... --><link rel="stylesheet" type="text/css" href="./../ext/resources/css/ext-all.css"/><script type="text/javascript" src="./../ext/adapter/ext/ext-base.js"></script><script type="text/javascript" src="./../ext/ext-all.js"></script><style type="text/css">.allow-float {clear:none!important;}.stop-float {clear:both!important;}.float-left {float:left;}</style><script type="text/javascript">Ext.onReady(function(){Ext.BLANK_IMAGE_URL='./../ext/resources/images/default/s.gif';Ext.QuickTips.init();Ext.form.Field.prototype.msgTarget = 'side';var form = new Ext.form.FormPanel({title: '提示信息（qtip）',labelSeparator: ':',bodyStyle: 'padding:5 5 5 5',height: 500,width: 300,frame: true,labelWidth: 60,labelAlign: 'right',applyTo: 'form',items:[ new Ext.form.TextField({ fieldLabel: '姓名', id: 'userName', selectOnFocus: true, allowBlank: false, regex: /^([\w]+)(.[\w]+)*@([\w-]+\.){1,5}([A-Za-z]){2,4}$/, regexText: '用户名格式错误', blankText: '请填写用户名' }), new Ext.form.TextField({ fieldLabel: '密码', allowBlank: false, blankText: '请填写密码', inputType: 'password' }), new Ext.form.TextArea({ id: 'memo', width: 150, fieldLabel: '备注' }), new Ext.form.NumberField({ fieldLabel: '整数', allowDecimals: false,//不允许输入小数 nanText: '请输入有效的整数', //无效数字提示 allowNegative: false//不允许输入负数 }), new Ext.form.NumberField({ fieldLabel: '小数', decimalPrecision: 2,//精确到小数点后两位 allowDecimals: true,//允许输入小数 nanText: '请输入有效的小数', //无效数字提示 allowNegative: false//不允许输入负数 }), new Ext.form.NumberField({ fieldLabel: '数字限制', baseChars: '12345' //输入数字范围 }), new Ext.form.NumberField({ fieldLabel: '数值限制', maxValue: 100,//最大值 minValue: 50,//最小值 minText: '小了', maxText: '大了' }), new Ext.form.Radio({ name: 'sex', fieldLabel: '性别', boxLabel: '男' }), new Ext.form.Radio({ name: 'sex', fieldLabel: '性别', boxLabel: '女' }), new Ext.form.Checkbox({ name: 'swim', fieldLabel: '爱好', boxLabel: '游泳' }), new Ext.form.Checkbox({ name: 'walk', fieldLabel: '爱好', boxLabel: '散步' }), new Ext.form.Radio({ name: 'gender', itemCls: 'float-left', clearCls: 'allow-float', fieldLabel: '性别', boxLabel: '男' }), new Ext.form.Radio({ name: 'gender', clearCls: 'stop-float', hideLabel: true, boxLabel: '女' }), new Ext.form.Checkbox({ name: 'hob', itemCls: 'float-left', clearCls: 'allow-float', fieldLabel: '爱好', boxLabel: '游泳' }), new Ext.form.Checkbox({ name: 'inter', clearCls: 'stop-float', hideLabel: true, boxLabel: '散步' }), new Ext.form.TriggerField({ id: 'center', fieldLabel: '触发字段', hideTriggerClick: false, onTriggerClick : function(e){ var center = form.findById("center"); alert(center.getValue()); } }) ],buttons:[{text: '确定',handler: showValue}]});function showValue(){var memo = form.findById("memo");alert(memo.getValue());}});</script></HEAD><body id="form"></body></HTML>?