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gridpanel动态加载数据的实例代码

  • 时间:2022-05-26 09:48 编辑: 来源: 阅读:
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摘要:gridpanel动态加载数据的实例代码
[u]复制代码[/u] 代码如下:
<script type='text/javascript'> function editEsOrder(options,success,response){ if (success){ var tagModelManager_maxOrderIdJson=Ext.util.JSON.decode(response.responseText); var orderValue = tagModelManager_maxOrderIdJson.maxOrderId ; Ext.getCmp('esorder').setValue(orderValue) ; } } var tagModelManager_toolBar=new Ext.Toolbar({ items:[ {id:'tagModel_Save',text:'添加',iconCls:'add',handler:tagModel_Save} ,'-', {id:'tagModel_dropSelected',text:'删除',iconCls:'remove',handler:tagModel_dropSelected} ]}); new Ext.grid.GridPanel({ id:'tagModelManager_tagModelGrid', autoScroll:true,  store:new Ext.data.Store(), cm:new Ext.grid.ColumnModel([new Ext.grid.RowNumberer()]), sm:new Ext.grid.CheckboxSelectionModel(), renderTo:'tagModelManager_tagModelDiv',         width:Ext.getCmp('TagModel_win').getSize().width-16,         height:Ext.getCmp('TagModel_win').getSize().height-35, hideHeaders :false, loadMask:{msg:'正在加载数据,请稍候....'}, collapsible : true, collapsed : false, bbar:new Ext.PagingToolbar({ id:'tagModelManager_tagModelPagingBar', pageSize:getComboValue(), store:new Ext.data.Store(), displayInfo:true }), tbar:tagModelManager_toolBar }); Ext.getCmp('tagModelManager_tagModelGrid').render() ; Ext.getCmp('tagModelManager_tagModelGrid').on('rowdblclick', tagModelSelectRowDblClickEvent); function tagModelSelectRowDblClickEvent(selectionModel, rowIndex, selectedRecord) {   var selectedRows = Ext.getCmp('tagModelManager_tagModelGrid').getSelectionModel().getSelections();       var row=selectedRows[0];         tagModel_SaveOrEdit('edit',row); } function tagModel_Save() {       tagModel_SaveOrEdit('save'); } function tagModelList_search() {   Ext.Ajax.request({   url:'editTagModel.html?method=getParams',    callback:getSearchList    }); } function getSearchList(options,success,response) { if (success){ var tagModelManager_json=Ext.util.JSON.decode(response.responseText); tagModelManager_tagModelGridTitle = tagModelManager_json.tagModelManager_tagModelGridTitle; var record = tagModelManager_json.record ; var tagModelManager_tagModelColumnModels = tagModelManager_json.tagModelManager_tagModelColumnModels ;         var tagModelManager_tagModelColumnModel=new Ext.grid.ColumnModel(Ext.util.JSON.decode("["+"new Ext.grid.RowNumberer()"+","+"new Ext.grid.CheckboxSelectionModel()"+","+tagModelManager_tagModelColumnModels+"]")); tagModelManager_tagModelColumnModel.defaultSortable=true; var strucutreModelManager_tagModelDataStore = new Ext.data.Store({          baseParams: { tagModelKeyword : Ext.getCmp('tagModelManager_search_button').el.dom.value.trim() }, proxy:new Ext.data.HttpProxy({ url:'editTagModel.html?method=getTagModelDataList' }), reader:new Ext.data.JsonReader({ totalProperty:'resultSize',root:'tagModelList'},Ext.util.JSON.decode(record))  }); Ext.getCmp('tagModelManager_tagModelPagingBar').bind(strucutreModelManager_tagModelDataStore); strucutreModelManager_tagModelDataStore.load({params:{start:0,limit:getComboValue()}}) ; Ext.getCmp('tagModelManager_tagModelGrid').setTitle(tagModelManager_tagModelGridTitle) ; Ext.getCmp('tagModelManager_tagModelGrid').reconfigure(strucutreModelManager_tagModelDataStore,tagModelManager_tagModelColumnModel); Ext.getCmp('tagModelManager_tagModelGrid').expand(false) ; } } function tagModelList_all(){ Ext.Ajax.request({ url:'editTagModel.html?method=getParams', callback:getTagModel }); } function getTagModel(options,success,response){ if (success){ var tagModelManager_json=Ext.util.JSON.decode(response.responseText); tagModelManager_tagModelGridTitle = tagModelManager_json.tagModelManager_tagModelGridTitle; var record = tagModelManager_json.record ; var tagModelManager_tagModelColumnModels = tagModelManager_json.tagModelManager_tagModelColumnModels ;         var tagModelManager_tagModelColumnModel=new Ext.grid.ColumnModel(Ext.util.JSON.decode("["+"new Ext.grid.RowNumberer()"+","+"new Ext.grid.CheckboxSelectionModel()"+","+tagModelManager_tagModelColumnModels+"]")); tagModelManager_tagModelColumnModel.defaultSortable=true; var strucutreModelManager_tagModelDataStore = new Ext.data.Store({ proxy:new Ext.data.HttpProxy({ url:'editTagModel.html?method=getTagModelDataList' }), reader:new Ext.data.JsonReader({ totalProperty:'resultSize',root:'tagModelList'},Ext.util.JSON.decode(record))  }); Ext.getCmp('tagModelManager_tagModelPagingBar').bind(strucutreModelManager_tagModelDataStore); strucutreModelManager_tagModelDataStore.load({params:{start:0,limit:getComboValue()}}) ; Ext.getCmp('tagModelManager_tagModelGrid').reconfigure(strucutreModelManager_tagModelDataStore,tagModelManager_tagModelColumnModel); Ext.getCmp('tagModelManager_tagModelGrid').expand(false) ; } } Ext.Ajax.request({ url:'editTagModel.html?method=getParams', callback:getTagModel }); </script>     public void getTagModelDataList(ActionMapping mapping, ActionForm actionform,HttpServletRequest request, HttpServletResponse response){     ITagModelManager tagmgr = this.getPkgServer().getDriver().getOperateServer().getTagModelManager() ;     List<HashMap<String,String>> models = new ArrayList<HashMap<String,String>>();     String tagModelKeyword = request.getParameter("tagModelKeyword");     List<EssTagModel> tagModels ;     tagModels =  tagmgr.getEssTagModels() ;     int resultSize = 0 ;     if (null != tagModels && !tagModels.isEmpty()){     //数据分页显示     resultSize = tagModels.size() ;     String start = request.getParameter("start") ; String perPage = request.getParameter("limit") ; String esType =""; if (null != start && null != perPage){ int fromIdx = Integer.parseInt(start); int per =  Integer.parseInt(perPage); int toIdx = fromIdx + per ; if (toIdx  > resultSize) toIdx = resultSize ; tagModels = tagModels.subList(fromIdx,toIdx) ; }     for(EssTagModel etm : tagModels){     HashMap<String,String> map = new HashMap<String, String>();     map.put("id",   Long.toString(etm.getId())) ;     map.put("esidentifier", etm.getEsidentifier()) ;     map.put("estype", etm.getEstype()) ;     map.put("esdescription", etm.getEsdescription()) ;     map.put("esorder", Long.toString(etm.getEsorder())) ;     map.put("metadata", etm.getMetadata()) ;     models.add(map) ;     }     }     JSONObject json = new JSONObject();     JSONArray ary = new JSONArray(models);     json.put("tagModelList", ary); json.put("resultSize",resultSize);     writeJson(response, json.toString()) ;     } public void getParams(ActionMapping mapping, ActionForm actionform,HttpServletRequest request, HttpServletResponse response){ LinkedHashMap<String,String> tags = new LinkedHashMap<String,String>() ; tags.put("id", "id") ; tags.put("esidentifier", "字段") ; tags.put("estype", "类型") ; tags.put("esdescription", "描述") ; tags.put("esorder", "顺序") ; tags.put("metadata", "元数据") ; tags.put("esisnull", "是否为必填项") ; tags.put("eslength", "字段长度") ; tags.put("esdotlength", "小数点位数") ; tags.put("esissystem", "是否为系统字段") ; JSONObject json = new JSONObject(); json.put("record", getJsonRecord(tags)) ; json.put("tagModelManager_tagModelColumnModels", getJsonColumnModel(tags)) ; writeJson(response,json.toString()); }
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