Ext如何動態添加一行組件


用的column布局,點擊一個按鈕能添加一行組件,如文本框,有下拉框等。

如:

效果:

實現方法如下:

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/*!
  * Ext JS Library 3.4.0
  * Copyright(c) 2006-2011 Sencha Inc.
  * licensing@sencha.com
  */
Ext.onReady( function (){
                       // 添加按鈕
     var  newDept_action = new  Ext.Action({
         cls: 'x-btn-text-icon bmenu' ,
         icon: 'icon-add' ,
         text: '添加新的部門(新的一行)' ,
         handler: function (){
             id = id + 1;
             
             //添加新的fieldSet
             var  org_fieldSet = new  Ext.Panel({           
                 //column布局控件開始               
                 id: 'org_fieldSet_'  + id,
                 layout: 'column' ,
                 border: false ,
                 items: [ //組件開始
                 {
                     columnWidth: .2,
                     layout: 'form' ,
                     border: false ,
                     items: [{
                         //為空
                         blankText: '組織名稱不能為空' ,
                         emptyText: '' ,
                         editable: false ,
                         triggerAction: 'all' ,
                         allowBlank: false ,
                         //為空                       
                         xtype: 'textfield' ,
                         fieldLabel: '組織名稱' ,
                         id: 'org_field_orgName_'  + id,
                         name: 'org_field_orgName_'  + id,
                         anchor: '90%'
                     
                     }]
                 } //組件結束
, //組件開始
                 {
                     columnWidth: .2,
                     layout: 'form' ,
                     border: false ,
                     items: [{
                         //為空
                         blankText: '上級部門不能為空' ,
                         emptyText: '' ,
                         
                         
                         editable: false ,
                         triggerAction: 'all' ,
                         allowBlank: false ,
                         //為空
                         
                         xtype: 'textfield' ,
                         fieldLabel: '上級部門' ,
                         id: 'org_field_orgParent_'  + id,
                         
                         anchor: '90%'
                     
                     
                     }]
                 } //組件結束
, //按鈕開始
                 {
                     columnWidth: .2,
                     layout: 'form' ,
                     border: false ,
                     items: [{
                     
                         xtype: 'button' ,
                         text: '選擇上級部門' ,
                         scope: this ,
                         handler: function (){
                         
                         
                         
                         
                         }
                     }]
                 } //按鈕結束
, //組件開始
                 {
                 
                 
                     columnWidth: .2,
                     layout: 'form' ,
                     border: false ,
                     items: [{
                         //為空
                         blankText: '上級部門不能為空' ,
                         emptyText: '' ,
                         
                         
                         editable: false ,
                         triggerAction: 'all' ,
                         allowBlank: false ,
                         //為空
                         //xtype: 'hidden',
                         xtype: 'textfield' ,
                         fieldLabel: '本部門ID' ,
                         
                         value: 'org_field_orgId_'  + id,
                         anchor: '90%'
                     
                     
                     }]
                 } //組件結束
, //按鈕開始
                 {
                     columnWidth: .2,
                     layout: 'form' ,
                     border: false ,
                     items: [{
                     
                         xtype: 'button' ,
                         text: '刪除' ,
                         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);
                             //刪除一行
                             simple.remove(fieldSet_1, true );
                             
                         }
                     }]
                 } //按鈕結束
]
             
                 //column布局控件結束
             });
             //添加fieldSet
             simple.add(org_fieldSet);
             //重新劇新
             simple.doLayout();
             
         },
         iconCls: 'blist'
     });
   var  first_Org_fieldSet = new  Ext.Panel({
     
         //column布局控件開始
         
         id: 'org_fieldSet_'  + id,
         layout: 'column' ,
         border: false ,
         items: [ //組件開始
         {
             columnWidth: .2,
             layout: 'form' ,
             border: false ,
             items: [{
                 //為空
                 blankText: '組織名稱不能為空' ,
                 emptyText: '' ,
                 
                 
                 editable: false ,
                 triggerAction: 'all' ,
                 allowBlank: false ,
                 //為空
                 
                 xtype: 'textfield' ,
                 fieldLabel: '組織名稱' ,
                 id: 'org_field_orgName_'  + id,
                 name: 'org_field_orgName_'  + id,
                 anchor: '90%'
             
             }]
         } //組件結束
, //組件開始
         {
             columnWidth: .2,
             layout: 'form' ,
             border: false ,
             items: [{
                 //為空
                 blankText: '上級部門不能為空' ,
                 emptyText: '' ,
                 
                 
                 editable: false ,
                 triggerAction: 'all' ,
                 allowBlank: false ,
                 //為空
                 
                 xtype: 'textfield' ,
                 fieldLabel: '上級部門' ,
                 id: 'org_field_orgParent_'  + id,
                 
                 anchor: '90%'
             
             
             }]
         } //組件結束
, //按鈕開始
         {
             columnWidth: .2,
             layout: 'form' ,
             border: false ,
             items: [{
             
                 xtype: 'button' ,
                 text: '選擇上級部門' ,
                 scope: this ,
                 handler: function (){
                 
                 
                 
                 
                 }
             }]
         } //按鈕結束
, //組件開始
         {
         
         
             columnWidth: .2,
             layout: 'form' ,
             border: false ,
             items: [{
                 //為空
                 blankText: '上級部門不能為空' ,
                 emptyText: '' ,
                 
                 
                 editable: false ,
                 triggerAction: 'all' ,
                 allowBlank: false ,
                 //為空
                 //xtype: 'hidden',
                 xtype: 'textfield' ,
                 fieldLabel: '本部門ID' ,
                 
                 value: 'org_field_orgId_'  + id,
                 anchor: '90%'
             
             
             }]
         } //組件結束
, //按鈕開始
         {
             columnWidth: .2,
             layout: 'form' ,
             border: false ,
             items: [{
             
                 xtype: 'button' ,
                 text: '刪除' ,
                 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 );
                     
                     
                     
                 }
             }]
         } //按鈕結束
]
     
         //column布局控件結束
     });
   //定義表單
     var  simple = new  Ext.FormPanel({
         labelAlign: 'left' ,
         title: '添加子部門' ,
         buttonAlign: 'right' ,
         bodyStyle: 'padding:5px' ,
         //width: 600,
         autoHeight: true ,
         autoWidth: true ,
         //
         frame: true ,
         labelWidth: 80,
         // items: [ ]        ,
         buttons: [{
             text: '保存' ,
             type: 'submit' ,
             //定義表單提交事件
             handler: function (){
             
             
                 if  (simple.form.isValid()) { //驗證合法后使用加載進度條
                     Ext.MessageBox.show({
                         title: '請稍等' ,
                         msg: '正在加載...' ,
                         progressText: '' ,
                         width: 300,
                         progress: true ,
                         closable: false ,
                         animEl: 'loding'
                     });
                     //控制進度速度
                     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);
                     }
                     
                     //提交到服務器操作
                     simple.form.doAction( 'submit' , {
                         url: newSaveOrgFrameUrl, //文件路徑
                         method: 'post' , //提交方法post或get
                         params: '' ,
                         //提交成功的回調函數
                         success: function (form, action){
                             if  (action.result.msg == 'ok' ) {
                             
                             
                             
                                 Ext.MessageBox.show({
                                     title: '系統提示信息' ,
                                     msg: '添加成功!' ,
                                     buttons: Ext.MessageBox.OK,
                                     icon: Ext.MessageBox.INFO,
                                     fn: function (btn, text){
                                     
                                     
                                     
                                     }
                                 });
                             }
                             else  {
                                 Ext.Msg.alert( '添加錯誤' , action.result.msg);
                             }
                         },
                         //提交失敗的回調函數
                         failure: function (){
                             Ext.Msg.alert( '錯誤' , '服務器出現錯誤請稍后再試!' );
                         }
                     });
                 }
             }
         }, {
             text: '重置' ,
             handler: function (){
                 simple.form.reset();
             } //重置表單
         }, {
             text: '取消' ,
             handler: function (){
                 win.close();
             } //重置表單
         }]
     });
     //添加第一個fieldSet
     simple.add(first_Org_fieldSet);
    //菜單面板
     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);
  
});

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


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