dwr2+Extjs2+分页控件

+++++++++++++++++++++++++++++Ext.data.DWRProxy+++++++++++++++++++++++++++++++++++++
+++++++++++++++++++++++++++++Ext.data.DWRProxy+++++++++++++++++++++++++++++++++++++
Ext.data.DWRProxy = function(config) {
Ext.data.DWRProxy.superclass.constructor.call(this);
this.fn = config.fn;
};
Ext.extend(Ext.data.DWRProxy, Ext.data.DataProxy, {

toJSON : function(text) {
alert(text);
text = text.replace(/\n/g, ' ');
text = text.replace(/\r/g, ' ');
if (text.match(/^\s*\{.*\}\s*$/)) {
text = '[' + text + '][0]';
}
return eval(text);
},

load : function(params, reader, callback, scope, arg) {


//alert(dwr.util.toDescriptiveString(params, 3));
params = params || {};
if (this.fireEvent("beforeload", this, params) !== false) {
var proxy = this;
// dwr回调函数
dwrcallback = function(ret) {
//alert(dwr.util.toDescriptiveString(ret.pageResults[0],3));
var result;
try {

result = reader.readRecords(ret);
} catch (e) {
this.fireEvent("loadexception", this, arg, null, e);
callback.call(scope, null, arg, false);
return;
}
//alert(dwr.util.toDescriptiveString(result,4))
callback.call(scope, result, arg, true);
}

//alert(dwr.util.toDescriptiveString(params,2))
// 需要将参数加入到调用参数
var callParams = new Array();
for (var i = 0; i < params.length; ++i) {
callParams.push(params[i]);
}


// 将回调函数加入的参数数组
callParams.push(dwrcallback);
//alert(dwr.util.toDescriptiveString(callParams, 3));
this.fn.apply(this, callParams);
}
}

});

+++++++++++++++++++++++++++++Ext.PagingToolbarExt+++++++++++++++++++++++++++++++++++++
/*
 * Ext JS Library 2.1