JSONPI.prototype.send = function(opts, callback){
var url,
that = this,
id = new Date().getTime(),
jsonpiId = "jsonpi_"+id;
this.jsonpiId = jsonpiId; //保存jsonpId
window[jsonpiId] = function(){
callback.call(this, arguments);
that.abort();
};
if(Base.isString(opts)){
url = opts;
}else{
//选项预处理
opts=this._opts=this.optsPrepare(opts);
url = opts['url']+"?"+Uri.param(opts["data"]);
}
url = url +"&"+opts["callback"]+"="+jsonpiId;
//TODO 需测试Iframe是否会再次触发onload事件
var onComplete = function(){
if(Base.isFunction(opts["complete"])) opts["complete"]();
that.abort();
};
Remote.requstWithResponse(opts["method"], url, opts["data"], jsonpiId);
};
Request.prototype.optsPrepare = function(opts){
var data=opts['data']||{},form="";
if (opts['form']) {
form = this.serializeForm(opts['form']);
}
if(Base.isString(data)){
data=Uri.deparam(data);
}
//浏览器缓存，请求中添加时间标签，不同请求浏览器不缓存
if (!opts['cache']) {
data['_t'] = new Date().getTime();
}
//合并data与form中的数据，data数据优先级比form高
opts['data'] = form + Uri.param(data);
//请求过期检查
if ( opts['async'] && opts['timeout'] > 0 ) {
var that = this;
setTimeout(function() {
that.abort();
}, opts['timeout']);
}
return Base.mix(opts,this._opts);
};