Extjs查询实现

 5 Ext.QuickTips.init();   //放在图标上会自动提示信息
 6  
 7 Ext.define(‘ExtApp.view.StudentList‘ , {
 8     extend : ‘Ext.grid.Panel‘ ,
 9     id : ‘StudentListGrid‘ ,
10     xtype : ‘StudentList‘ ,
11     store : ‘StudentList‘ ,    
12     draggable:false, //设置为false则禁用拖拽改变列顺序、
13     columnLines:true,//添加列的框线样式
14     viewConfig: {
15         stripeRows:true //True来实现隔行换颜色
16     },    
17      tbar : [{
18         xtype : ‘form‘,    
19         id : ‘queryFormSL‘ ,        
20         width : ‘100%‘,
21         items : [{
22             xtype : ‘container‘,
23             padding : 5,
24             flex : 2,
25             layout : {
26                 type : ‘hbox‘
27             },
28             items : [{             
29                 labelWidth : 60,
30                 labelAlign : ‘right‘,    
31                 width: 200,            
32                  xtype : ‘combo‘,
33                 fieldLabel:‘选择年级‘,
34                 name:‘gradeCode‘,            
35                 id : ‘cobStudentListGradeCode‘,
36                 store : ‘Grade‘,                
37                 valueField : ‘gradeCode‘,
38                 displayField : ‘gradeName‘,                
39                 editable : false,
40                 emptyText : ‘请选年级‘,
41                 queryMode : ‘local‘    
42                 
43                },{
44                 xtype : ‘textfield‘,                            
45                 labelSeparator:‘:‘,
46                 labelWidth : 150,
47                 width: 300,
48                 labelAlign : ‘right‘,                            
49                 id:‘SListTextField‘,
50                 name:‘userNameORuserCode‘,
51                 fieldLabel : ‘输入学生ID或学生姓名‘    
52             },{
53                 xtype : ‘button‘,
54                 id : ‘btnStuListQuery‘,
55                 text : ‘查询‘
56             },{
57                 xtype : ‘button‘,
58                 id : ‘btnStuListReset‘,
59                 text : ‘重置‘
60             }]
61         }]
62     }],
63     columns : [
64         {   xtype:‘rownumberer‘,text:‘序号‘,flex:1,    align:‘center‘},
65         {   text:‘账户ID‘ , flex:2 , align:‘center‘ , dataIndex:‘userCode‘ },
66         {    text:‘用户姓名‘ , flex:1 , align:‘center‘ , dataIndex:‘userName‘},
67         {    text:‘性别‘ , flex:1 , align:‘center‘ , dataIndex:‘sex‘    },
68         {    text:‘城市‘ , flex:1 , align:‘center‘ , dataIndex:‘cityName‘    },
69         {    text:‘学校‘ , flex:1 , align:‘center‘ , dataIndex:‘schoolName‘},    
70         {    text:‘年级号‘ , flex:1 , align:‘center‘ , dataIndex:‘gradeCode‘},    
71         {    text:‘联系电话‘ , flex:2 , align:‘center‘ , dataIndex:‘tel‘},
72         {    text:‘邮箱‘ , flex:2 , align:‘center‘ , dataIndex:‘email‘},
73         {    text:‘QQ‘ , flex:2 , align:‘center‘ , dataIndex:‘qq‘},            
74         {    header:‘账户注册时间‘,align:"center",flex:3,dataIndex:‘firstAccessDate‘,xtype:‘datecolumn‘,format:‘Y-m-d H:i:s‘},
75         {    header: ‘详细信息‘ ,
76             xtype: ‘actioncolumn‘ ,
77             width: 50 ,
78             flex : 1 ,
79             align:‘center‘,
80             items: [{
81                 icon: ‘images/grid.png‘ , 
82                 tooltip: ‘详细信息‘ ,
83                 handler: function(grid, rowIndex, colIndex){
84                     var record = grid.getStore().getAt(rowIndex);
85                     var win = Ext.create(‘ExtApp.view.StudentDetails‘).show();
86                     var form = win.down(‘form‘).getForm();                        
87                     form.loadRecord(record);
88                 }                    
89             }]
90         }
91     ],    
92     dockedItems:[{
93         xtype: ‘pagingtoolbar‘,      
94         store : ‘StudentList‘ ,   // GridPanel中使用的数据
95            dock: ‘bottom‘,
96           displayInfo: true
97     }]    
98 });

 1 StuListQuery:function(btn,event){
 2         var store=this.getStore(‘StudentList‘);
 3         var form=btn.up(‘form[id=queryFormSL]‘);
 4         var grid=form.up(‘grid[id=StudentListGrid]‘);
 5         //var grid=Ext.getCmp(‘StudentListGrid‘);
 6         var pageBar = grid.down(‘pagingtoolbar‘);                    
 7         var userNameORuserCode=form.getForm().getValues()[‘userNameORuserCode‘]; //form.getForm.getValues()返回的是一个数组
 8         var gradeCode = form.getForm().getValues()[‘gradeCode‘];        
 9         store.setProxy({
10             type:‘ajax‘,
11             actionMethods:{
12                 read:‘POST‘
13             },
14             url:‘queryStudent.action‘,
15             extraParams:{‘userNameORuserCode‘:userNameORuserCode,
16                         ‘gradeCode‘:gradeCode                        
17                         },
18             reader:{
19                 type:‘json‘,
20                 root: ‘rows‘,
21                 totalProperty: ‘results‘
22             }            
23         });
24         pageBar.moveFirst();
25     },