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Extjs3.x Struts2 -Json-plugin学习实例 -Dept管理页面 06

 
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dept_list.jsp

 

<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>部门管理</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	
	<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css">
	
	<script type="text/javascript" src="extjs/ext-base.js"></script>
    <script type="text/javascript" src="extjs/ext-all.js"></script>
	<script type="text/javascript" src="extjs/ext-lang-zh_CN.js"></script>
	
	<link rel="stylesheet" type="text/css" href="extjs/examples.css" />
	
	<script type="text/javascript" src="extjs/examples.js"></script>
	<script type="text/javascript" src="dept.js"></script>
	
	<script type="text/javascript">



	</script>
	
  </head>
  
  <body>
    <div id="dept"></div>
    <div id="topic-win" class="x-hidden">
  </body>
</html>

 

dept.js文件

 

	
	var _reader = new Ext.data.JsonReader({
						totalProperty:"totalProperty",
						root:'depts'
					},[
				       {name:"id",type:"int",mapping:"id"},
				       {name:"name",type:"string",mapping:"name"},
				       {name:"description",type:"string",mapping:"description"}
				    ]);
					
	
	var _store = new Ext.data.Store({
		baseParams:{//起始参数,一般是表示分页的参数
			start:0,
			limit:20
		},
		sortInfo:{//数据排序的方式
			field:"id",
			direction:"asc"
		},
		//autoLoad:true,//是否自动加载数据
		remoteSort:true,
		reader:_reader,
		proxy:new Ext.data.HttpProxy({
			url:"dept.action",
			method:"POST"
		})		
	});	
	
	var _sm = new Ext.grid.CheckboxSelectionModel();//创建带复选框的选择模型
	
	//列模型 
	var _cm = new Ext.grid.ColumnModel([
	                new Ext.grid.RowNumberer(),//在第一列显示固定不动的行
	                _sm,
	               {header:"编号", width:40,dataIndex:"id"},
	               {header:"部门名称", width:150,dataIndex:"name"},
	               {header:"描述", dataIndex:"description",id:"description"}
	          ]);

	var addOrModifyFn = function(_url, _id){
		new Ext.Window({
			id:"addOrModifyWin",
			//iconCls:xxx,
			title:'添加部门',
			width:400,
			height:135,
			resizable:false,//不可以调整大小			
			modal:true,//设置此Window为模式窗口,
			animateTarget:'addDept',//当指定一个id或元素,window打开时会与元素之间产生动画效果
			closeAction:'close',
			listeners:{
				'show':function(){
					btn_add.disable();//当窗口显示时,则添加按钮不可用
				},
				'close':function(){
					btn_add.enable();//当宣传品关闭时,则添加按钮可用
				}
			},
			items:[{
				xtype:"form",
				labelWidth:75,
				id:"deptForm",
				//url:"dept.action",
				frame:true,
				//title:"添加部门",
				bodyStyle:"padding:5px 5px 0",
				border:false,
				waitMsgTarget:true,//true的意思是说表单提交时的等待信息在这个表单之内显示,而不是弹出框(进度条形式的)
				labelAlign:"right",
				labelPad : 10,// 标签与字段录入框之间的空白
				//reader:_reader,
				//anchor: '100%',
				defaults:{width:230},
				defaultType:"textfield",
				items:[{
					xtype:"hidden",
					name:"dept.id",
					value:0
				},{
					fieldLabel:"部门名称",
					name:"dept.name",
					allowBlank:false,
					emptyText:"输入部门名称……"
				},{
					fieldLabel:"描  述",
					name:"dept.description",
					allowBlank:false
				}]				
			}],
			buttonAlign:'center',
			minButtonWidth:60,
			buttons:[{
				text:"提交",
				tooltip:"提交数据",
				handler:function(){
						if(Ext.getCmp("deptForm").getForm().isValid()){//对表单进行验证(根据配置的项进行配置)
							Ext.getCmp("deptForm").getForm().submit({//利用表单的submit方法提交表单
								waitTitle:"请稍候",					//提交表单时进度条的标题
								waitMsg:"正在提交数据,稍后……",		//提交表单时进度条的信息
								url:_url,							//提交地址
								method:"POST",						//提交方式,需要大写
								success:function(form, action){		//如果提交成功后处理的方法									
								/*
									Ext.Msg.alert("提交成功", "提交部门信息成功……",function(){
																				Ext.getCmp("addOrModifyWin").close();
																				_grid.getStore().reload();
																			});
									*/
								Ext.example.msg("提交成功", "提交部门信息成功……","msg-box-success");//相应的提示信息
								Ext.getCmp("addOrModifyWin").close();	//根据id获取到表单的窗口,然后将其关闭
								_grid.getStore().reload();				//提交成功后,需要刷新GridPanel数据,
																		//但效率时会将提交表单中的数据直接添加或更新到GridPanel中
									
								},
								failure:function(form,action){			//提交指失败进处理的方法
									Ext.example.msg("警告","数据提交失败,请核对……","msg-box-error");
								}								
							});	
						} else {//如果表单验证未通过则提示用户骓未通过。
							
							Ext.example.msg("提示","请填写完整、合法的部门信息……","msg-box-error");
						}
					}
				
			},{
				text:"取消",
				tooltip:"取消此操作",
				handler:function(){
					Ext.getCmp("addOrModifyWin").close();//取消实际上就是关闭窗口
				}
			}]			
		}).show();
		
		if(_id){
			var _form = Ext.getCmp("deptForm").getForm();
			_form.reader =  new Ext.data.JsonReader({
									root:'dept'
								},[
							       {name:"dept.id",type:"int",mapping:"id"},
							       {name:"dept.name",type:"string",mapping:"name"},
							       {name:"dept.description",type:"string",mapping:"description"}
							    ]);
			_form.load({url:"dept!findDeptById?dept.id=" + _id,
						waitMsg: '正在载入数据...',
						success:function(form, action){
							Ext.example.msg("提示","数据加载成功……","msg-box-success");
						},
						failure:function(){
							Ext.example.msg("异常","数据加载失败……","msg-box-error");
							Ext.getCmp("addOrModifyWin").close();
						}						
					});
		}
	}
	
	var btn_add = new Ext.Button({
		text:"添加",
		tooltip:"添加部门",
		id:"addDept",
		iconCls:'icon-btn-add',
		handler:function(){
			new addOrModifyFn('dept!add');
		}
	});
	
	var btn_modify = new Ext.Button({
		text:'编辑',
		tooltip:'编辑部门信息',
		iconCls:'icon-btn-edit',
		handler:function(){
			var _selectModel = _grid.getSelectionModel();
			if(_selectModel.hasSelection()){
				//Ext.example.msg("选择了","你选择了数据行","");
				var _rec = _selectModel.getSelected();				
				new addOrModifyFn('dept!modify',_rec.get('id'));
				
			} else {
				Ext.example.msg("警告","编辑前请选择一条记录……","msg-box-error");
			}
			
		}
	});
	
	var _grid = new Ext.grid.GridPanel({
			id:"deptGridPnael",
			iconCls:"icon-grid",
			loadMask : {msg : '数据正在加载中,请稍候...'},//表示为当grid加载过程中,会有一个Ext.LoadMask的遮罩效果
			//title:"部门管理",
			region:"center",//表示区域
			//autoWidth:true,
			//autoHeight:true,
			columnLines:true,//True表示为在列分隔处显示分隔符
			cm:_cm,
			sm:_sm,
			enableColumnMove:false,//列不可拖动 
			trackMouseOver:true,//是给Grid实现鼠标在行经过时的轨迹效果
			frame:true,
			store:_store,
			//renderTo:"dept",
			autoExpandColumn:"description",
			tbar:[btn_add,"-",btn_modify],
			bbar:
				new Ext.PagingToolbar({
						store:_store,
						pageSize:20,
						displayInfo:true,
						displayMsg:"第 {0} - {1} 条&nbsp;&nbsp;共 {2} 条",
						emptyMsg:"没有记录"
					})
			
		});
		
Ext.onReady(function(){	

	Ext.BLANK_IMAGE_URL = "extjs/resources/images/default/s.gif";

	Ext.QuickTips.init();	
	
	 var viewPort = new Ext.Viewport({
			layout : 'fit',
			items : [_grid]               
		});
	 _store.load();
	
});

 

 

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