JS瀹炵幇AJAX璇锋眰_2锛堣繘闃剁瘒锛?/h1>

闂锛?/span>褰撳娆¤皟鐢ㄥ悓涓€涓狝JAX璇锋眰鏃讹紝鍙兘浼氶亣鍒版湇鍔″櫒鐨勬暟鎹彂鐢熸敼鍙樹簡锛屼絾鏄湪娴忚鍣ㄤ腑鑾峰彇鐨勬暟鎹病鏈夊悓姝ョ殑闂銆傞棶棰樼殑鍘熷洜鍦ㄤ簬娴忚鍣ㄧ殑缂撳瓨銆傝繖绉嶆儏鍐典竴鑸彧鍙戠敓鍦℅ET璇锋眰涓€?/p>

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閬垮厤GET缂撳瓨锛?/h2>

浣跨敤鏃犳剰涔夌殑鍙傛暟閬垮厤缂撳瓨锛?/p>

//杩欓噷鍙拡瀵归潪IE鐨勬祻瑙堝櫒浜嗭紝IE涔熸槸濡傛锛屽彧鏈夊璞＄殑鍒涘缓涓嶅悓缃簡
var xmlHttp=new XMLHttpRequest();
var timer=new Date().getTime();//鑾峰彇褰撳墠鐨勬椂闂达紝姣忔璇锋眰鏃剁殑鏃堕棿鏄笉鍚岀殑
xmlHttp.open("GET","ajax.do?temp="+timer,true);
xmlHttp.send();

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鍦ㄦ湇鍔＄娣诲姞鍝嶅簲澶达細

//鍦╯ervlet涓坊鍔犲搷搴斿ご
response.setContentType("text/html;charset=UTF-8");
response.addHeader("pragma","no-cache");
response.addHeader("cache-control","no-cache");
response.addHeader("expires","0");
//杩欎笁涓搷搴斿ご鍛婅瘔娴忚鍣ㄤ笉浣跨敤缂撳瓨

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聽闂锛?/span>褰撴垜浠娇鐢℅ET璇锋眰浼犲弬涓湁涓枃鏃讹紝浼氬嚭鐜颁贡鐮佺殑鎯呭喌锛孭OST璇锋眰杞爜姣旇緝绠€鍗曘€?/p>

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AJAX瀵逛腑鏂囩殑鏀寔锛?/h2>

GET璇锋眰锛?/p>

//js浼犱腑鏂?
var xmlHttp=new XMLHttpRequest();
var v=encodeURIComponent("杩欐槸姹夊瓧");//灏嗕腑鏂囧寘瑁硅捣鏉?
xmlHttp.open("GET","ajax.do?param="+v);
xmlHttp.send();

聽

//servlet涓?
String v=request.getParameter("param");//鎺ユ敹璇锋眰鍦板潃涓殑param鐨勫€?
v=new String(v.getBytes("ISO-8859-1"),"UTF-8");//灏嗗師鏁版嵁閲嶆柊缂栫爜涓篣TF-8鏍煎紡

聽POST璇锋眰锛?/p>

//js
var xmlHttp=new XMLHttpRequest();
xmlHttp.open("POST","ajax.do");
xmlHttp.send("v=杩欐槸姹夊瓧");//涓嶇敤鍖呰９璧锋潵

聽

//servlet涓?
request.setCharacterEncoding("UTF-8");//杩欓噷璁剧疆璇锋眰鐨勭紪鐮佹牸寮忓嵆鍙?
String v=request.getParameter("v");//v=杩欐槸姹夊瓧

聽

鎬荤粨锛?/h2>

• 閬垮厤GET缂撳瓨
• 瀵逛腑鏂囩殑鏀寔
• 瀛楃杞爜

缁撹锛?/h2>

瀵规墍鏈夌殑璇锋眰涔犳儻鎬у湪servlet涓兘璁剧疆缂栫爜鏍煎紡

聽 request.setCharacterEncoding("UTF-8");

聽聽response.setCharacterEncoding("UTF-8");

GET璇锋眰涓湁涓枃鏃讹紝灏嗕腑鏂囧寘瑁硅捣鏉ワ紝鑻辨枃涔熷彲浠ュ寘瑁癸紝娌℃湁浠€涔堝奖鍝嶃€?/span>