Ajax

1:Ext.Ajax.request({
url: 'vm!findKeyContent.action',
timeout: 60000,
params: {
keyId: key_id
},
success: function(response){
text = response.responseText;
// process server response here
//var respText = Ext.JSON.decode(response.responseText);
//alert(respText.name);
},
failure : function(response) {
Ext.Msg.alert("错误", "无法访问后台");
}
});

2: //define model
Ext.define('Vmkey', {
extend: 'Ext.data.Model',
fields: [
{name: 'vmkeyId', type: 'int'},
{name: 'keyname', type: 'string'},
{name: 'href', type: 'string'},
{name: 'fingerprint', type: 'string'},
{name: 'pemKey', type: 'string'},
{name: 'status', type: 'string'},
{name: 'description', type: 'string'},
{name: 'clouduserId', type: 'int'}
]
});
//loading data
var myStore = Ext.create('Ext.data.Store', {
model: 'Vmkey',
proxy: {
type: 'ajax',
url : 'vm!key.action',
reader: {
type: 'json',
root: 'vmkeys'
}
}
});