刚写的B/S高级查询界面（基于ExtJs框架）
这几天赶着做一个B/S系统，基于ExtJs框架，从中学了不少东西，今天写的高级查询界面感觉比较有意义，很多人应该也用得着，特拿出来共享一下。当然没正式完工，余下与服务器交互、Lookup列表、取生成查询条件一部分没有完成，做得有点腻了，先放出来，曾经做过的不妨交流一下。
界面：
代码：
- <DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html><head><title>XXXX系统V1.0</title>
- <meta name="Author" contect="彭国辉">
- <meta. name="Keywords" content="blog:http://blog.csdn.net/nhconch" />
- <meta http-equiv="Content-Type" content="text/html; charset=utf8">
- <link rel="stylesheet" type="text/css" href="resources/css/ext-all.css">
- <link rel="stylesheet" type="text/css" href="resources/css/hndc.css">
- <script type="text/javascript" src="adapter/ext/ext-base.js"></script>
- <script type="text/javascript" src="ext-all.js"></script>
- <script type="text/javascript" src="source/locale/ext-lang-zh_CN.js"></script>
- <script type="text/javascript">
- Ext.BLANK_IMAGE_URL = 'resources/images/default/s.gif';
- Ext.onReady(function () {
- var dsPQ=new Ext.data.JsonStore({
- fields:["idx","relation","leftParenthesis","fieldname","operator","value","rightParenthesis"]
- });
- var fieldsDef = new Ext.data.JsonStore({
- fields: ['value','text','type'],
- data:[
- {value:'A.Billno',text:'预约单号',type:'string'},
- {value:'A.Date',text:'时间',type:'date'},
- {value:'A.boolean',text:'布尔',type:'boolean'},
- {value:'A.int',text:'整形',type:'int'},
- {value:'A.float',text:'浮点',type:'float'},
- {value:'A.lookup',text:'Lookup',type:'lookup',data:[[1,'list1'],[2,'list2'],[3,'list3']]}
- ]
- });
- var numericOp = datetimeOp = new Ext.data.SimpleStore({
- fields: ['value','text'],
- data : [['=','='],['<>','<>'],['<','<'],['<=','<='],['<','>'],['>=','>='],['is null','空白'],['is not null','非空白']]
- });
- var stringOp = new Ext.data.SimpleStore({
- fields: ['value','text'],
- data : [['=','='],['<>','<>'],['<','<'],['<','>'],
- ['like |%','以...开头'],['like %|','以...结尾'],['like %|%','包含字符'],['not like %|%','不包含字符'],
- ['is null','空白'],['is not null','非空白']]
- });
- var lookupOp = booleanOp = new Ext.data.SimpleStore({
- fields: ['value','text'],
- data : [['=','='],['<>','<>'],['is null','空白'],['is not null','非空白']]
- });
- var objGridTextEditor = new Ext.grid.GridEditor(new Ext.form.TextField());
- //var objGridMemoEditor = new Ext.grid.GridEditor(new Ext.form.TextArea());
- var objGridDateEditor = new Ext.grid.GridEditor(new Ext.form.DateField({format:'Y-m-d'}));
- var objGridIntegerEditor = new Ext.grid.GridEditor(new Ext.form.NumberField({allowBlank:false,allowNegative:false,allowDecimals:false}));
- var objGridFloatEditor = new Ext.grid.GridEditor(new Ext.form.NumberField({allowBlank:false,allowNegative:false}));
- var objGridBooleanEditor = new Ext.grid.GridEditor(new Ext.form.ComboBox({
- store: [[true,'是'],[false,'否']],
- mode: 'local',
- readOnly: true,
- triggerAction: 'all',
- allowBlank: false,
- editable: false,
- forceSelection: true,
- blankText:'请选择...'
- }));
- var objGridLookupEditor = new Ext.grid.GridEditor(new Ext.form.ComboBox({
- //store: [],
- mode: 'local',
- readOnly: true,
- triggerAction: 'all',
- allowBlank: false,
- editable: false,
- forceSelection: true,
- blankText:'请选择...'
- }));
- function fileListChange(field,newValue,oldValue){
- //alert(field);
- }
- function findRecordValue(store,prop, propValue,field){
- var record;
- if(store.getCount() > 0){
- store.each(function(r){
- if(r.data[prop] == propValue){
- rrecord = r;
- return false;
- }
- });
- }
- return record ? record.data[field] : '';
- }
- function displayOperator(v){
- switch(v){
- case 'is null': return '空白';
- case 'is not null': return '非空白';
- case 'like |%': return '以...开头';
- case 'like %|': return '以...结尾';
- case 'like %|%': return '包含字符';
- case 'not like %|%': return '不包含字符';
- default: return v;
- }
- }
- function displayValue(v, params, record){
- var dataType = findRecordValue(fieldsDef,'value',record.get('fieldname'),'type');
- var operator = record.get('operator');
- if (operator=='is null'||operator=='is not null') return '';
- switch(dataType){
- case 'date': return v ? v.dateFormat('Y-m-d'): '';
- case 'boolean': return (v?'是':'否');
- default: return v;
- }
- }
- var qRowData = Ext.data.Record.create([
- {name:'idx',type:'int'},
- {name:'relation',type:'string'},
- {name:'leftParenthesis',type:'string'},
- {name:'fieldname',type:'string'},
- {name:'operator',type:'string'},
- {name:'value',type:'string'},
- {name:'rightParenthesis',type:'string'}
- ]);
- var dsPQ=new Ext.data.JsonStore({
- data:[],
- fields:["idx","relation","leftParenthesis","fieldname","operator","value","rightParenthesis"]
- });
- var colM=new Ext.grid.ColumnModel([
- {
- header:"关系",
- dataIndex:"relation",
- width:50,
- renderer: function(v){return (v=='and'?'并且':'或者')},
- editor:new Ext.form.ComboBox({
- store: [['and','并且'],['or','或者']],
- mode: 'local',
- readOnly: true,
- triggerAction: 'all',
- allowBlank: false,
- editable: false,
- forceSelection: true,
- blankText:'请选择'
- })
- },{
- header:"括号",
- dataIndex:"leftParenthesis",
- width:40,
- editor:new Ext.form.ComboBox({
- store: ['(','((','((','(((','(((('],
- mode: 'local',
- triggerAction: 'all',
- valueField: 'value',
- displayField: 'text',
- editable: false
- })
- },{
- header:"字段名",
- dataIndex:"fieldname",
- width:130,
- renderer: function(v){return findRecordValue(fieldsDef,'value',v,'text');},
- editor:new Ext.form.ComboBox({
- store: fieldsDef,
- mode: 'local',
- triggerAction: 'all',
- valueField: 'value',
- displayField: 'text',
- editable: false,
- listeners:{change:fileListChange}
- })
- },{
- header:"运算符",
- width:80,
- dataIndex:"operator",
- renderer: displayOperator
- },{
- header:"内容",
- dataIndex:"value",
- width:130,
- renderer: displayValue
- },{
- header:"括号",
- width:40,
- dataIndex:"rightParenthesis",
- editor:new Ext.form.ComboBox({
- store: [')','))',')))','))))'],
- mode: 'local',
- triggerAction: 'all',
- valueField: 'value',
- displayField: 'text',
- editable: false
- })
- }
- ]);
- var grdDPQuery = new Ext.grid.EditorGridPanel({
- height:500,
- width:490,
- renderTo:"hello",
- cm:colM,
- sm:new Ext.grid.RowSelectionModel({singleSelect.:false}),
- store:dsPQ,
- region:'center',
- border: false,
- enableColumnMove: false,
- enableHdMenu: false,
- loadMask: {msg:'加载数据...'},
- clicksToEdit:1,
- tbar:[
- {text:'添加',handler:function(){
- var count = dsPQ.getCount();
- var r = new qRowData({idx:dsPQ.getCount(),relation:'and',leftParenthesis:'',fieldname:'',operator:'=',value:'',rightParenthesis:''});
- dsPQ.commitChanges();
- dsPQ.insert(count,r);
- }
- },
- {text:'删除',handler:function(){
- //store = grid.getStore();
- var selections = grdDPQuery.getSelectionModel().getSelections();
- for(var i = 0; i < selections.length; i++){
- dsPQ.remove(selections[i]);
- }
- }
- },
- {text:'全部清除',handler:function(){dsPQ.removeAll();}}
- ],
- listeners: {
- afteredit: function(e){
- if (e.column==2/*e.field=='fieldname'*/){
- var oldDataType = findRecordValue(fieldsDef,'value',e.originalValue,'type');
- var newDataType = findRecordValue(fieldsDef,'value',e.value,'type');
- if (oldDataType!=newDataType){
- e.record.set('operator', '=');
- e.record.set('value', '');
- }
- }
- },
- cellclick: function(grid, rowIndex, columnIndex, e){
- if (columnIndex!=3&&columnIndex!=4) return;
- var record = grid.getStore().getAt(rowIndex); // Get the Record
- //var fieldName = grid.getColumnModel().getDataIndex(columnIndex); // Get field name
- //var data = record.get(fieldName);
- var dataType = findRecordValue(fieldsDef,'value',record.get('fieldname'),'type');
- if (dataType=='') return;//未选定字段，退出
- if (columnIndex==3){//绑定运算符
- var grdEditor = grid.colModel.getCellEditor(columnIndex,rowIndex);
- if (grdEditor) grdEditor.destroy();
- var _store;
- switch(dataType){
- case 'string': _store = stringOp; break;
- case 'date': _store = datetimeOp; break;
- case 'boolean': _store = booleanOp; break;
- case 'int':
- case 'float': _store = numericOp; break;
- case 'lookup': _store = lookupOp; break;
- }
- grdEditor = new Ext.form.ComboBox({
- store: _store,
- mode: 'local',
- triggerAction: 'all',
- valueField: 'value',
- displayField: 'text',
- editable: false
- })
- grid.colModel.setEditor(columnIndex, new Ext.grid.GridEditor(grdEditor));
- }
- else if (columnIndex==4){//绑定编辑器
- var operator = record.get('operator');
- if (operator=='is null'||operator=='is not null'){
- grid.colModel.setEditor(columnIndex, null);
- return;
- }
- var grdEditor;
- switch(dataType){
- case 'string': grdEditor = objGridTextEditor; break;
- case 'date': grdEditor = objGridDateEditor; break;
- case 'boolean': grdEditor = objGridBooleanEditor; break;
- case 'int': grdEditor = objGridIntegerEditor; break;
- case 'float': grdEditor = objGridFloatEditor; break;
- case 'lookup': grdEditor = objGridLookupEditor; break;
- }
- if (grid.colModel.getCellEditor(columnIndex,rowIndex)!=grdEditor){
- grid.colModel.setEditor(columnIndex, grdEditor);
- }
- }
- }
- }
- });
- });
- </script>
- </head><div id="hello"></div><body>
- </body></html>