用的column布局,点击一个按钮能添加一行组件,如文本框,有下拉框等。

如:

效果:

实现方法如下:

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/*!
 * Ext JS Library 3.4.0
 * Copyright(c) 2006-2011 Sencha Inc.
 * licensing@sencha.com
 */
Ext.onReady(function(){
                      // 添加按钮
    var newDept_action = new Ext.Action({
        cls: 'x-btn-text-icon bmenu',
        icon: 'icon-add',
        text: '添加新的部门(新的一行)',
        handler: function(){
            id = id + 1;
             
            //添加新的fieldSet
            var org_fieldSet = new Ext.Panel({           
                //column布局控件开始               
                id: 'org_fieldSet_' + id,
                layout: 'column',
                border: false,
                items: [//组件开始
                {
                    columnWidth: .2,
                    layout: 'form',
                    border: false,
                    items: [{
                        //为空
                        blankText: '组织名称不能为空',
                        emptyText: '',
                        editable: false,
                        triggerAction: 'all',
                        allowBlank: false,
                        //为空                       
                        xtype: 'textfield',
                        fieldLabel: '组织名称',
                        id: 'org_field_orgName_' + id,
                        name: 'org_field_orgName_' + id,
                        anchor: '90%'
                     
                    }]
                } //组件结束
, //组件开始
                {
                    columnWidth: .2,
                    layout: 'form',
                    border: false,
                    items: [{
                        //为空
                        blankText: '上级部门不能为空',
                        emptyText: '',
                         
                         
                        editable: false,
                        triggerAction: 'all',
                        allowBlank: false,
                        //为空
                         
                        xtype: 'textfield',
                        fieldLabel: '上级部门',
                        id: 'org_field_orgParent_' + id,
                         
                        anchor: '90%'
                     
                     
                    }]
                } //组件结束
, //按钮开始
                {
                    columnWidth: .2,
                    layout: 'form',
                    border: false,
                    items: [{
                     
                        xtype: 'button',
                        text: '选择上级部门',
                        scope: this,
                        handler: function(){
                         
                         
                         
                         
                        }
                    }]
                } //按钮结束
, //组件开始
                {
                 
                 
                    columnWidth: .2,
                    layout: 'form',
                    border: false,
                    items: [{
                        //为空
                        blankText: '上级部门不能为空',
                        emptyText: '',
                         
                         
                        editable: false,
                        triggerAction: 'all',
                        allowBlank: false,
                        //为空
                        //xtype: 'hidden',
                        xtype: 'textfield',
                        fieldLabel: '本部门ID',
                         
                        value: 'org_field_orgId_' + id,
                        anchor: '90%'
                     
                     
                    }]
                } //组件结束
, //按钮开始
                {
                    columnWidth: .2,
                    layout: 'form',
                    border: false,
                    items: [{
                     
                        xtype: 'button',
                        text: '删除',
                        value: id,
                        scope: this,
                         
                         
                        handler: function(obj){
                            var del_id = obj.value;
                            //var field_1 = Ext.getCmp('org_field_orgName_' + del_id);
                            var fieldSet_1 = Ext.getCmp('org_fieldSet_' + del_id);
                            //删除一行
                            simple.remove(fieldSet_1, true);
                             
                        }
                    }]
                } //按钮结束
]
             
                //column布局控件结束
            });
            //添加fieldSet
            simple.add(org_fieldSet);
            //重新剧新
            simple.doLayout();
             
        },
        iconCls: 'blist'
    });
  var first_Org_fieldSet = new Ext.Panel({
     
        //column布局控件开始
         
        id: 'org_fieldSet_' + id,
        layout: 'column',
        border: false,
        items: [//组件开始
        {
            columnWidth: .2,
            layout: 'form',
            border: false,
            items: [{
                //为空
                blankText: '组织名称不能为空',
                emptyText: '',
                 
                 
                editable: false,
                triggerAction: 'all',
                allowBlank: false,
                //为空
                 
                xtype: 'textfield',
                fieldLabel: '组织名称',
                id: 'org_field_orgName_' + id,
                name: 'org_field_orgName_' + id,
                anchor: '90%'
             
            }]
        } //组件结束
, //组件开始
        {
            columnWidth: .2,
            layout: 'form',
            border: false,
            items: [{
                //为空
                blankText: '上级部门不能为空',
                emptyText: '',
                 
                 
                editable: false,
                triggerAction: 'all',
                allowBlank: false,
                //为空
                 
                xtype: 'textfield',
                fieldLabel: '上级部门',
                id: 'org_field_orgParent_' + id,
                 
                anchor: '90%'
             
             
            }]
        } //组件结束
, //按钮开始
        {
            columnWidth: .2,
            layout: 'form',
            border: false,
            items: [{
             
                xtype: 'button',
                text: '选择上级部门',
                scope: this,
                handler: function(){
                 
                 
                 
                 
                }
            }]
        } //按钮结束
, //组件开始
        {
         
         
            columnWidth: .2,
            layout: 'form',
            border: false,
            items: [{
                //为空
                blankText: '上级部门不能为空',
                emptyText: '',
                 
                 
                editable: false,
                triggerAction: 'all',
                allowBlank: false,
                //为空
                //xtype: 'hidden',
                xtype: 'textfield',
                fieldLabel: '本部门ID',
                 
                value: 'org_field_orgId_' + id,
                anchor: '90%'
             
             
            }]
        } //组件结束
, //按钮开始
        {
            columnWidth: .2,
            layout: 'form',
            border: false,
            items: [{
             
                xtype: 'button',
                text: '删除',
                value: id,
                scope: this,
                 
                 
                handler: function(obj){
                    var del_id = obj.value;
                    //var field_1 = Ext.getCmp('org_field_orgName_' + del_id);
                    var fieldSet_1 = Ext.getCmp('org_fieldSet_' + del_id);
                     
                     
                     
                    simple.remove(fieldSet_1, true);
                     
                     
                     
                }
            }]
        } //按钮结束
]
     
        //column布局控件结束
    });
  //定义表单
    var simple = new Ext.FormPanel({
        labelAlign: 'left',
        title: '添加子部门',
        buttonAlign: 'right',
        bodyStyle: 'padding:5px',
        //width: 600,
        autoHeight: true,
        autoWidth: true,
        //
        frame: true,
        labelWidth: 80,
        // items: [ ]        ,
        buttons: [{
            text: '保存',
            type: 'submit',
            //定义表单提交事件
            handler: function(){
             
             
                if (simple.form.isValid()) {//验证合法后使用加载进度条
                    Ext.MessageBox.show({
                        title: '请稍等',
                        msg: '正在加载...',
                        progressText: '',
                        width: 300,
                        progress: true,
                        closable: false,
                        animEl: 'loding'
                    });
                    //控制进度速度
                    var f = function(v){
                        return function(){
                            var i = v / 11;
                            Ext.MessageBox.updateProgress(i, '');
                        };
                    };
                     
                    for (var i = 1; i < 13; i++) {
                        setTimeout(f(i), i * 150);
                    }
                     
                    //提交到服务器操作
                    simple.form.doAction('submit', {
                        url: newSaveOrgFrameUrl,//文件路径
                        method: 'post',//提交方法post或get
                        params: '',
                        //提交成功的回调函数
                        success: function(form, action){
                            if (action.result.msg == 'ok') {
                             
                             
                             
                                Ext.MessageBox.show({
                                    title: '系统提示信息',
                                    msg: '添加成功!',
                                    buttons: Ext.MessageBox.OK,
                                    icon: Ext.MessageBox.INFO,
                                    fn: function(btn, text){
                                     
                                     
                                     
                                    }
                                });
                            }
                            else {
                                Ext.Msg.alert('添加错误', action.result.msg);
                            }
                        },
                        //提交失败的回调函数
                        failure: function(){
                            Ext.Msg.alert('错误', '服务器出现错误请稍后再试!');
                        }
                    });
                }
            }
        }, {
            text: '重置',
            handler: function(){
                simple.form.reset();
            }//重置表单
        }, {
            text: '取消',
            handler: function(){
                win.close();
            }//重置表单
        }]
    });
    //添加第一个fieldSet
    simple.add(first_Org_fieldSet);
   //菜单面板
    var panel = new Ext.Panel({
        bodyStyle: 'width:100%',
        autoWidth: true,
        autoHeight: true,
        //autoScroll: true,
        renderTo: Ext.getBody(),
        //
         
        title: '',
        bodyStyle: 'padding:10px;',
        tbar: [{
            xtype: 'tbseparator'
        }, newDept_action, { // <-- Add the action directly to a toolbar
            xtype: 'tbseparator'
        }],
        items: [simple]
     
    });
     
   // return panel;
     simple.render(document.body);
  
});

  最后要感谢熊熊之家的博客:http://hi.baidu.com/freshman0502/blog/item/dba3a1d3742d13d8a9ec9ae7.html

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