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ȡݣܿͻ˷ԭھɵķϷſͻWebҳϢһ̨(asp.net)ڿͻҳһ̬ʾϢĴͨajax첽Ǹ̨ȡõġֹµķͻwebҳǸֿ̨̨µķϡĿҵͬСͬ־ģҲѳֿȻһЩСĶ "ôϢȡˣ첽urlҲѾ·ĵַ(http://xxxx.com/.../news.ashx)..."Сһ߱Թҿ˿IE7»˸ű"ܷޤ"Ĵ(ĵģ˼Ƿʱܾ)ϲĻӦ"ûȨ"ɡFirefoxChromeǿκνűģͨFirebug߲"Permission denied to call method XMLHttpRequest.open" ͬԴ ΪʲôĴأΪ֧JavascriptʹͬԴȫԡٶĽͣ ͬԴԣNetscapeһİȫԡ֧JavaScript ʹԡνͬԴָЭ飬˿ͬһtabҳзֱ ٶȺȸҳ浱һٶִһűʱűĸҳģǷͬԴֻкͰٶͬԴĽűŻᱻִС
ΪȡݵԭˣβܽأûڿԽ⣬˽ʲôJSONPˡ JSONJSONPJSONPJSON֮ʲôϵ JSON(JavaScript Object Notation) һݽʽJSONӦǺ˽˰ɣǺѿȥjson.org˽£ JSONPJSON with PaddingԳơһǹٷЭ飬ڷ˼Script tagsͻˣͨjavascript callbackʽʵֿʣJSONPʵʽ--Դٶ JSONPJSON+Paddingһ(PaddingΪ) ȿСȻϸܡ ļԭ⿴廹ǺףֶСԡ½һasp.netwebsample.htmlҳһtest.jsļ£ sample.htmlĴ - <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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test.jsĴ
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sample.htmlִ - <script type="text/javascript" src="http://localhost:20002/test.js"></script>
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