easyui datagrid combobox 里面获取焦点事件怎么写
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当光标在这个里面时候 自动显示下拉,这是datagrid里面的
easyui的combogrid在生成DOM时，实际会将原来的input或select 设为display:none，接收输入的是easyui自动生成的另一个input，通过跟踪可以发现这个input的class为combo-text，那么你可以在适当的事件中为这个input添加focus事件绑定，调用combobox的ShowPanel方法显示下拉列表。本回答被提问者采纳
EasyUI可编辑datagrid用combobox实现多级联动
<body> <script type="text/javascript"> $(function(){ var editing ; //判断用户是否处于编辑状态 var flag ; //判断新增和修改方法 $(‘#set_schedule‘).datagrid({ idField:‘id‘ , fitColumns: false , url:‘scheduleAction_loadScheduleData.action?sureDocumentId=‘+$("#sureDocumentId").val() , striped: true , loadMsg: ‘数据正在加载,请耐心的等待...‘ , rownumbers:true , singleSelect : true, frozenColumns:[[ {field:‘ck‘ , checkbox:true} ]], columns:[[ { field:‘dateTime‘ , title:‘时间‘ , width:100 , align:‘center‘ , editor:{ type:‘datebox‘ , options:{ required:true , missingMessage:‘时间必填!‘ , editable:false } } }, { field:‘morningTime‘ , title:‘上午上课时间段‘ , width:126 , align:‘center‘, editor:{ type:‘validatebox‘ , options:{ required:true , missingMessage:‘时间段必填!‘ } } }, { field:‘morningCourse‘ , title:‘上午课程‘ , width:100 , editor:{ type:‘validatebox‘ , options:{ required:true , missingMessage:‘课程必填!‘ } } }, { field:‘aa1‘ , title:‘主讲老师分类‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘codeTypeAction_search.action?parentId=0&type=27‘, valueField:‘id‘ , textField:‘name‘, onSelect:function(data){ var row = $(‘#set_schedule‘).datagrid(‘getSelected‘); var rowIndex = $(‘#set_schedule‘).datagrid(‘getRowIndex‘,row);//获取行号 var thisTarget = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘aa1‘}).target; var value = thisTarget.combobox(‘getValue‘); var target = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘bb1‘}).target; target.combobox(‘clear‘); //清除原来的数据 var url = ‘codeTypeAction_search.action?type=28&parentId=‘+value; target.combobox(‘reload‘, url);//联动下拉列表重载 } } } }, { field:‘bb1‘ , title:‘主讲老师细类‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘codeTypeAction_search.action?type=28‘, valueField:‘id‘ , textField:‘name‘, onSelect:function(data){ var row = $(‘#set_schedule‘).datagrid(‘getSelected‘); var rowIndex = $(‘#set_schedule‘).datagrid(‘getRowIndex‘,row);//获取行号 var thisTarget = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘bb1‘}).target; var value = thisTarget.combobox(‘getValue‘); var target = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘morningTeacherId‘}).target; target.combobox(‘clear‘); //清除原来的数据 var url = ‘teacherAction_search.action?teacherTypeId2=‘+value; target.combobox(‘reload‘, url);//联动下拉列表重载 } } } }, { field:‘morningTeacherId‘ , title:‘主讲老师‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘teacherAction_search.action‘, valueField:‘id‘ , textField:‘name‘ } } }, { field:‘afternoonTime‘ , title:‘下午上课时间段‘ , width:126 , align:‘center‘ , editor:{ type:‘validatebox‘ , options:{ required:true , missingMessage:‘时间段必填!‘ } } }, { field:‘afternoonCourse‘ , title:‘下午课程‘ , width:100 , editor:{ type:‘validatebox‘ , options:{ required:true , missingMessage:‘课程必填!‘ } } }, { field:‘aa2‘ , title:‘主讲老师分类‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘codeTypeAction_search.action?parentId=0&type=27‘, valueField:‘id‘ , textField:‘name‘, onSelect:function(data){ var row = $(‘#set_schedule‘).datagrid(‘getSelected‘); var rowIndex = $(‘#set_schedule‘).datagrid(‘getRowIndex‘,row);//获取行号 var thisTarget = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘aa2‘}).target; var value = thisTarget.combobox(‘getValue‘); var target = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘bb2‘}).target; target.combobox(‘clear‘); //清除原来的数据 var url = ‘codeTypeAction_search.action?type=28&parentId=‘+value; target.combobox(‘reload‘, url);//联动下拉列表重载 } } } }, { field:‘bb2‘ , title:‘主讲老师细类‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘codeTypeAction_search.action?type=28‘, valueField:‘id‘ , textField:‘name‘, onSelect:function(data){ var row = $(‘#set_schedule‘).datagrid(‘getSelected‘); var rowIndex = $(‘#set_schedule‘).datagrid(‘getRowIndex‘,row);//获取行号 var thisTarget = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘bb2‘}).target; var value = thisTarget.combobox(‘getValue‘); var target = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘afternoonTeacherId‘}).target; target.combobox(‘clear‘); //清除原来的数据 var url = ‘teacherAction_search.action?teacherTypeId2=‘+value; target.combobox(‘reload‘, url);//联动下拉列表重载 } } } }, { field:‘afternoonTeacherId‘ , title:‘主讲老师‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘teacherAction_search.action‘, valueField:‘id‘ , textField:‘name‘ } } }, { field:‘eveningTime‘ , title:‘晚上上课时间段‘ , width:126 , align:‘center‘ , editor:{ type:‘validatebox‘ , options:{ required:true , missingMessage:‘时间段必填!‘ } } }, { field:‘eveningCourse‘ , title:‘晚上课程‘ , width:100 , editor:{ type:‘validatebox‘ , options:{ required:true , missingMessage:‘课程必填!‘ } } }, { field:‘aa3‘ , title:‘主讲老师分类‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘codeTypeAction_search.action?parentId=0&type=27‘, valueField:‘id‘ , textField:‘name‘, onSelect:function(data){ var row = $(‘#set_schedule‘).datagrid(‘getSelected‘); var rowIndex = $(‘#set_schedule‘).datagrid(‘getRowIndex‘,row);//获取行号 var thisTarget = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘aa3‘}).target; var value = thisTarget.combobox(‘getValue‘); var target = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘bb3‘}).target; target.combobox(‘clear‘); //清除原来的数据 var url = ‘codeTypeAction_search.action?type=28&parentId=‘+value; target.combobox(‘reload‘, url);//联动下拉列表重载 } } } }, { field:‘bb3‘ , title:‘主讲老师细类‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘codeTypeAction_search.action?type=28‘, valueField:‘id‘ , textField:‘name‘, onSelect:function(data){ var row = $(‘#set_schedule‘).datagrid(‘getSelected‘); var rowIndex = $(‘#set_schedule‘).datagrid(‘getRowIndex‘,row);//获取行号 var thisTarget = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘bb3‘}).target; var value = thisTarget.combobox(‘getValue‘); var target = $(‘#set_schedule‘).datagrid(‘getEditor‘, {‘index‘:rowIndex,‘field‘:‘eveningTeacherId‘}).target; target.combobox(‘clear‘); //清除原来的数据 var url = ‘teacherAction_search.action?teacherTypeId2=‘+value; target.combobox(‘reload‘, url);//联动下拉列表重载 } } } }, { field:‘eveningTeacherId‘ , title:‘主讲老师‘ , width:100 , editor : { type : ‘combobox‘, options : { url:‘teacherAction_search.action‘, valueField:‘id‘ , textField:‘name‘ } } } ]] , pagination: true , pageSize: 10 , pageList:[5,10,15,20,50] , toolbar:[ { text:‘新增课程‘, iconCls:‘icon-add‘ , handler:function(){ if(editing == undefined){ flag = ‘add‘; //1 先取消所有的选中状态 $(‘#set_schedule‘).datagrid(‘unselectAll‘); //2追加一行 $(‘#set_schedule‘).datagrid(‘appendRow‘,{description:‘‘}); //3获取当前页的行号 editing = $(‘#set_schedule‘).datagrid(‘getRows‘).length -1; //4选中并开启编辑状态 $(‘#set_schedule‘).datagrid(‘selectRow‘,editing); $(‘#set_schedule‘).datagrid(‘beginEdit‘, editing); } } }/* ,{ text:‘修改课程‘, iconCls:‘icon-edit‘ , handler:function(){ var arr = $(‘#set_schedule‘).datagrid(‘getSelections‘); if(arr.length != 1){ $.messager.show({ title:‘提示信息‘, msg:‘只能选择一条记录进行修改!‘ }); } else { if(editing == undefined){ flag = ‘edit‘; //根据行记录对象获取该行的索引位置 editing = $(‘#set_schedule‘).datagrid(‘getRowIndex‘ , arr[0]); //开启编辑状态 $(‘#set_schedule‘).datagrid(‘beginEdit‘,editing); } } } } */,{ text:‘保存课程‘, iconCls:‘icon-save‘ , handler:function(){ //保存之前进行数据的校验 , 然后结束编辑并师傅编辑状态字段 if($(‘#set_schedule‘).datagrid(‘validateRow‘,editing)){ $(‘#set_schedule‘).datagrid(‘endEdit‘, editing); editing = undefined; } } },{ text:‘删除课程‘, iconCls:‘icon-remove‘ , handler:function(){ var arr = $(‘#set_schedule‘).datagrid(‘getSelections‘); if(arr.length <= 0 ){ $.messager.show({ title:‘提示信息‘, msg:‘请选择进行删除操作!‘ }); } else { $.messager.confirm(‘提示信息‘ , ‘确认删除?‘ , function(r){ if(r){ var ids = ‘‘; for(var i = 0 ; i < arr.length ; i++){ ids += arr[i].id + ‘,‘; } ids = ids.substring(0,ids.length-1); $.post(‘scheduleAction_delete.action‘ , {ids:ids},function(result){ $(‘#set_schedule‘).datagrid(‘reload‘); $.messager.show({ title:‘提示信息‘, msg:‘操作成功!‘ }); }); } else { return ; } }); } } },{ text:‘取消操作‘, iconCls:‘icon-cancel‘ , handler:function(){ //回滚数据 $(‘#set_schedule‘).datagrid(‘rejectChanges‘); editing = undefined; } } ] , onAfterEdit:function(index , record){ var data = $(‘#moduleform‘).serialize(); $.post(flag==‘add‘?‘scheduleAction_addSchedule.action?‘+data:‘scheduleAction_updateSchedule.action‘ , record , function(result){ var data = $.parseJSON(result); $(‘#set_schedule‘).datagrid(‘reload‘); $.messager.show({ title:‘提示信息‘, msg:data.message }); },‘text‘); } }); }); </script> <form id="moduleform" method="post"> <s:hidden name="sureDocumentId" id="sureDocumentId"></s:hidden> <table cellspacing="1" cellpadding="5" class="tb_background2" width="100%"> <tr> <td width="20%" class="td_right">总学时：</td> <td width="28%" class="td_left"> <s:textfield name="totalLearnTime" id="totalLearnTime" size="32"/>学时 </td> <td width="20%" class="td_right">是否可见：</td> <td width="28%" class="td_left"> <s:select list="#{‘0‘:‘可见‘,‘1‘:‘不可见‘ }" cssStyle="width:200px;" name="type" id="type"></s:select> </td> </tr> </table> </form> <table id="set_schedule"></table> </body>
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