我正在尝试覆盖 Store 代理中 limitParam 的默认参数名称。我想对http://search.twitter.com/search.json?q=kathmandu&rpp=2进行 JSONP 调用,但不是直接设置 rpp 我想将它映射到 limitParam 并设置它的值。但它不是通过limitParam设置的。我这样做的原因是存储发送的参数键(排序、目录等)与服务器端的参数不匹配(我无法控制)。提前致谢。
Ext.require('Ext.grid.View');
Ext.require('Ext.util.Point');
Ext.application({
name: 'HelloExt',
launch: function() {
/*Ext.create('Ext.container.Viewport', {
layout: 'fit',
items: [
{
title: 'Hello Ext',
html : 'Hello! Welcome to Ext JS.'
}
]
});*/
console.log('ok1');
Ext.define('Video', {
extend: 'Ext.data.Model',
fields: ['from_user', 'from_user_id']
});
var myStore2 = Ext.create('Ext.data.Store', {
model: 'Video',
storeId : 'restfulStore',
proxy: {
type: 'jsonp',
url : 'http://search.twitter.com/search.json?q=kathmandu',
reader: {
type: 'json',
//root: 'data.items'
root: 'results'
},
limitParam: 'rpp',
pageParam: 'page'
},
listeners: {
load: function(store, records) {
Ext.each(records, function(rec) {
console.log(rec.get('from_user'));
});
}
},
sorters: [{
property: 'from_user',
direction: 'DESC'
}, {
property: 'from_user_id',
direction: 'ASC'
}],
//autoLoad: true,
remoteSort: true
});
var p = myStore2.getProxy();
p.limitParam = 2;
myStore2.load();
console.log('loads anyway??? loaded the store ...');
Ext.create('Ext.grid.Panel', {
title: 'Restful Grid',
store: Ext.data.StoreManager.lookup('restfulStore'),
columns: [
{header: "From User", width: 200, sortable: true, dataIndex: 'from_user'},
{header: "From User ID", width: 200, sortable: true, dataIndex: 'from_user_id'}
],
height: 400,
width: 400,
renderTo: Ext.getBody()
});
console.log('store loaded!!');
}
});