我有一个请求,成功后会循环遍历 JSON 响应的每个属性并将其添加到我的store
:
var request = Ext.Ajax.request({
url: 'MCApp',
jsonData: searchquery,
params: {
start: 0,
limit: itemsPerPage
},
success: function(response) {
mainresponse = response.responseText;
if (mainresponse.length == 0) {
alert('No results returned');
return;
}
var decoded = Ext.decode(mainresponse);
for (var i = 0; i < decoded.elements.length; i++) { // loop over decoded data
var element = decoded.elements[i].element;
var model = {};
for (var x = 0; x < element.attributes.length; x++) { // loop over attributes
var attribute = element.attributes[x];
model[attribute.attrname] = attribute.attrvalue; // mapping element names & attributes
}
newstore.add(model); // implicitly cast data as Model
models[i] = model;
}
newstore.loadRawData(models);
},
failure: function() {
alert('Search Failed: Could not reach the server')
}
});
我现在已经重新创建了request
上面在我的store
。我需要做的是添加这些相同的成功和失败函数。
var store = Ext.create('Ext.data.Store', {
storeId: 'resultsetstore',
autoLoad: false,
pageSize: itemsPerPage,
fields: [
{ name: 'id', type: 'auto' },
{ name: 'name', type: 'auto' },
{ name: 'description', type: 'auto' }
],
proxy: {
type: 'ajaxwithpayload', //customized proxy to read "jsonData"
url: 'MCApp',
jsonData: searchquery,
reader: {
type: 'json',
root: 'elements'
}
success: { /* success functions */ },
failure: { /* failure functions */ }
}
});
我的回复如下:
{
"elements":[
{
"element":{
"name":"Element Name",
"id":"Element ID",
"attributes":[
{
"attrname":"id",
"attrvalue":"This is the ID"
},
{
"attrname":"name",
"attrvalue":"This is the name"
},
//etc.
1) 有什么方法可以在我的商店中重新创建这些功能吗?
2)以这种方式解码我的回复是将我的回复加载到我的商店的最佳方式吗?
EDIT
我在加载商店时使用回调函数:
store.load({
params: { start: 0, limit: itemsPerPage },
callback: function(options, success, response, records) {
if (success) {
alert(response.responseText);
}
}
});
但是,我得到了undefined
在我的警报中,它告诉我已加载 0 条记录。但是当我在 Firebug 中查看我的响应时,我发现我的 JSON 字符串返回得很好。