Extjs4 使用extjs自动完成:带有远程查询存储的组合框
我想在远程查询中使用ComboBox 我使用ExtJS4 我想用combobox做自动完成 这意味着当我在组合框中输入文本时,一个请求将发送到数据库,以便根据组合框中输入的文本显示员工列表(在我的情况下) 我找到了一些使用Extjs4 使用extjs自动完成:带有远程查询存储的组合框,extjs4,Extjs4,我想在远程查询中使用ComboBox 我使用ExtJS4 我想用combobox做自动完成 这意味着当我在组合框中输入文本时,一个请求将发送到数据库,以便根据组合框中输入的文本显示员工列表(在我的情况下) 我找到了一些使用queryMode:'remote'、和hideTrigger:true 这是我找到的一些链接 http://demo.mysamplecode.com/ExtJs/pages/comboBoxes.jsp 目前我有这个代码,它以传统的方式填写一个组合 在myEmployee
queryMode:'remote'、
和hideTrigger:true
这是我找到的一些链接
http://demo.mysamplecode.com/ExtJs/pages/comboBoxes.jsp
目前我有这个代码,它以传统的方式填写一个组合
在myEmployeesModel.js中,我有
Ext.define('GenericComboModel', {
extend: 'Ext.data.Model',
fields: [
{name: 'label', type: 'string'},
{name: 'value', type: 'string'}
]
});
var employeesStore= Ext.create('Ext.data.Store', {
model: 'GenericComboModel'
});
function fillEmployeesCombo() {
employeesService.getEmployeesList({
callback:function(employeesList){
for(var i=0; i<employeesList.length; i++){
var employeesLabel = employeesList[i].libelleEmployees;
var employeesId = employeesList[i].idEmployees;
employeesStore.add({label: employeesLabel , value: employeesId });
}
}
});
}
var employeesPanel = Ext.create('Ext.panel.Panel', {
title: 'test',
bodyPadding: 5,
width: '100%',
height: '100%',
autoScroll: true,
id: 'tab_Employees',
layout: 'anchor',
defaults: {
anchor: '100%'
},
defaultType: 'textfield',
items:
[
{
xtype: 'container',
layout: {
type: 'hbox'
},
padding: '5 5 5 5',
items:
[
{
xtype: 'combobox',
store: employeesStore,
displayField: 'label',
valueField: 'value',
queryMode: 'local',
fieldLabel: 'test',
editable: false,
id: 'employees_IdCombo'
}
]
},
]
});
在我的employeesview.js中
我有
Ext.define('GenericComboModel', {
extend: 'Ext.data.Model',
fields: [
{name: 'label', type: 'string'},
{name: 'value', type: 'string'}
]
});
var employeesStore= Ext.create('Ext.data.Store', {
model: 'GenericComboModel'
});
function fillEmployeesCombo() {
employeesService.getEmployeesList({
callback:function(employeesList){
for(var i=0; i<employeesList.length; i++){
var employeesLabel = employeesList[i].libelleEmployees;
var employeesId = employeesList[i].idEmployees;
employeesStore.add({label: employeesLabel , value: employeesId });
}
}
});
}
var employeesPanel = Ext.create('Ext.panel.Panel', {
title: 'test',
bodyPadding: 5,
width: '100%',
height: '100%',
autoScroll: true,
id: 'tab_Employees',
layout: 'anchor',
defaults: {
anchor: '100%'
},
defaultType: 'textfield',
items:
[
{
xtype: 'container',
layout: {
type: 'hbox'
},
padding: '5 5 5 5',
items:
[
{
xtype: 'combobox',
store: employeesStore,
displayField: 'label',
valueField: 'value',
queryMode: 'local',
fieldLabel: 'test',
editable: false,
id: 'employees_IdCombo'
}
]
},
]
});
但实际上,我将在中更改代码:employeesview.js
我会有这样的代码:
xtype: 'combobox',
store: employeesStore,
displayField: 'label',
valueField: 'value',
queryMode: 'remote',
fieldLabel: 'test',
editable: false,
id: 'employees_IdCombo',
hideTrigger:true
此外,我认为在EmployeesModel.js中,我应该添加以下概念:
proxy: {
type: 'ajax',.......
我认为为了完成我的示例,我应该使用servlet
示例的含义:
proxy: {
type: 'ajax',
url: 'EmployeesServlet',...
有人能帮我更正代码吗
我尝试使用以下代码:
Ext.define('GenericComboModel', {
extend: 'Ext.data.Model',
fields: [
{name: 'label', type: 'string'},
{name: 'value', type: 'string'}
]
});
var employeesStore= Ext.create('Ext.data.Store', {
model: 'GenericComboModel',
proxy: {
type: 'ajax',
url: 'employeesService',
reader: {
type: 'json',
root: 'users'
}
}
});
//Finally your combo looks like this
{
xtype: 'combobox',
store: employeesStore,
displayField: 'label',
valueField: 'value',
queryMode: 'remote',
fieldLabel: 'test',
editable: false,
id: 'employees_IdCombo',
hideTrigger:true
queryParam: 'searchStr' //This will be the argument that is going to be passed to your service which you can use this to return your resulkt set
}
function fillEmployeesComboByParam(String Libelle) {
employeesService.getEmployeesList(Libelle){
callback:function(employeesList){
for(var i=0; i<employeesList.length; i++){
var employeesLabel = employeesList[i].libelleEmployees;
var employeesId = employeesList[i].idEmployees;
employeesStore.add({label: employeesLabel , value: employeesId });
}
}
});
}
in `employeesService.java` I have
public List<employees> getEmployeesList(String libelle) {
// TODO Auto-generated method stub
Query query = getSession().createQuery("FROM employees emp where emp.libelle=:libelle ");
query.setParameter("libelle", libelle);
List result = query.list();
if(result.size()!=0 && result !=null)
return result;
else
return null;
}
下面是extjs上的更改,您必须进行服务更改以处理作为queryParam传递的searchStr
//Your model remains the same as you defined
Ext.define('GenericComboModel', {
extend: 'Ext.data.Model',
fields: [
{name: 'label', type: 'string'},
{name: 'value', type: 'string'}
]
});
//Your store will look like
var employeesStore= Ext.create('Ext.data.Store', {
model: 'GenericComboModel',
proxy: {
type: 'ajax',
url: 'Your service URL',
reader: {
type: 'json',
root: 'users'
}
}
});
//Finally your combo looks like this
{
xtype: 'combobox',
store: employeesStore,
displayField: 'label',
valueField: 'value',
queryMode: 'remote',
fieldLabel: 'test',
editable: true,
id: 'employees_IdCombo',
hideTrigger:true
queryParam: 'searchStr' //This will be the argument that is going to be passed to your service which you can use this to return your resulkt set
}Objectone-您正在将hideTrigger:true设置为true,这意味着用户应该键入,然后由于queryMode:“remote”,存储将被选择性地筛选。但是,您还将其设置为可编辑:false。。这个解决方案将如何工作?