后台应该如何取到前端传来的json对象 如何获取前端传过来的json对象？
\u540e\u53f0\u600e\u6837\u83b7\u53d6\u524d\u53f0ajax\u4f20\u6765\u7684json\u6570\u636eJava\u63a5\u6536\u53c2\u6570
String ds = request.getParameter("ds");
JSONArray json=JSONArray.fromObject(ds);
JSONObject jsonOne;
Map map=null;
for(int i=0;i<json.size();i++){
updataMap = new HashMap();
jsonOne = json.getJSONObject(i);
map.put("name", (String) jsonOne.get("name"));
map.put("age", (String) jsonOne.get("age"));
}
\u6b64\u65f6map\u4e2d\u5c31\u4fdd\u5b58\u4e86\u9875\u9762\u4f20\u8fc7\u6765\u7684\u6570\u7ec4\u4e2d\u6240\u6709json\u4e2d\u7684\u952e\u503c\u5bf9\u4e86
\u83b7\u53d6\u524d\u7aef\u4f20\u8fc7\u6765\u7684json\u5bf9\u8c61
\u4ee3\u7801\u5982\u4e0b
public JSONObject getRequestContent(HttpServletRequest req) {
JSONObject data = null;
try {
InputStream is = req.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is, "utf-8"));
String line = null;
StringBuffer content = new StringBuffer();
while ((line = br.readLine()) != null) {
System.out.println(line);
content.append(line);
System.out.println(content);
}
String reqStr = content.toString().trim();
if (StringUtils.isEmpty(reqStr)) {
return new JSONObject();
}
if (reqStr.contains("=")) {
reqStr = reqStr.replaceAll("=", ":");
}
if (!reqStr.startsWith("{")) {
reqStr = "{" + reqStr;
}
if (!reqStr.endsWith("}")) {
reqStr = reqStr + "}";
}
data = JSONObject.fromObject(reqStr);
} catch (Exception e) {
e.printStackTrace();
return new JSONObject();
}
return data;
}
可先转成字符串dataForm = dataForm.toString();
后端接收：String dataForm = request.getParameter("dataForm");
假如有Test这个类，里面有hello ,hello2
那么就可以将json格式的数据转换成数组格式
List<Test> qualificationList = JSONArray.parseArray(HtmlUtils.htmlUnescape(dataForm), Test.class);
绛旓細涓嶇煡閬撶殑fn锛堬級鍑芥暟璋冪敤娌℃湁锛鍚庡彴浣犲啓鎴愬瓧绗︿覆锛屽洖鍒板墠鍙颁篃鏄瓧绗︿覆锛屼笉浼氬脊鍑虹殑銆傛鐨勮瘽锛屼綘alert锛坉ata锛夊唴瀹光渁lert锛堚滄垜鏄彍楦熸垜鎬曡皝鈥濓級鈥濓紱浣犲悗鍙伴偅涓猘lert浼氬綋瀛楃涓茶緭鍑猴紱杩樻湁涓棶棰橈紝浣犵殑url鍦板潃鎸囧悜鏄笉鏄湁闂锛屼綘瑕佸甫涓婃枃浠跺悗缂鍚嶇殑鍛紝瑕佷笉鐒讹紝瀹冩庝箞鐭ラ亾浣犺鎻愪氦鍒板摢涓偅閲屽幓 ...
绛旓細浣犵湅涓媏xtjs琛ㄦ牸杩欏潡锛岄噷闈㈡湁涓涓猽rl鐨勯厤缃紝浣犲彲浠ラ氳繃js鑾峰彇鍓嶅彴杈撳叆鐨勬暟鎹紝閫氳繃杩欎釜url浼犲埌鎸囧畾鍚庡彴鍗冲彲~
绛旓細鏈濂芥槸浣跨敤绗竴绉嶏紝鐒跺悗鍚庡彴鐢2涓睘鎬ф帴鏀讹紝鎴栬呯敤瀵硅薄鎺ユ敹閮藉彲浠ャ傜浜岀涓鑸槸鍚庡彴鐢ㄥ瓧绗︿覆鎺ユ敹锛屾瘮濡鍓嶇浼鍊兼槸data:str='{"uname":"tom","pwd":123}'閭ｄ箞鍚庣灏辩敤str鐨凷tring绫诲瀷鎺ユ敹灏卞彲浠ヤ簡锛佸彟澶栨帹鑽愪竴涓狫SON宸ュ叿缁鎮ㄣ侸SON鍦ㄧ嚎瑙ｆ瀽锛歨ttp://www.sojson.com/ ...
绛旓細var a={a:123,b:"string"} var b = "{a:123,b:'string'}";console.log(a);console.log(b);alert(a);alert(b);//鎴戠寽鐨勬儏鍐碉細 鎺ュ彛杩斿洖缁浣鍓嶇鐨鏁版嵁鏄瓧绗︿覆锛岃屼笉鏄痮bject銆//1 璇曠潃灏嗗瓧绗︿覆杞垚object锛屾帹鑽愯浆鎴恓son 瀵硅薄銆//2 鍜屽悗绔崗鍟唄ttp鐨勮姹傜殑杩斿洖鍊笺傛妸response ...
绛旓細鎴戝師鏉ュ仛杩囦竴涓被浼肩殑鍚э紝濡傛灉鎸変綘璇寸殑鍓嶇浼犺繃鏉涓娈典唬鐮侊紝閭ｄ綘灏鍚庡彴璋冪敤涓涓猚鐨勭紪璇戝櫒锛岀劧鍚庣湅涓涓嬭緭鍑虹粨鏋滃憲锛屼笉杩囨垜閭ｄ釜绠鍗曪紝閮芥槸灞炰簬鏈夎緭鍑虹殑閭ｇ
绛旓細//鏀规垚寮傛鎻愪氦灏卞ソ浜嗐 cc();function cc(){ var aa=document.getElementById("aa").value;alert(1);.get('test.php', {data: aa}, function(){});}
绛旓細杩欎箞闀跨殑鏁板瓧搴旇鎸夊瓧绗︿覆鏉浼犻锛堝儚璁㈠崟鍙枫佽韩浠借瘉鍙枫佹墜鏈哄彿銆侀摱琛岃处鍙疯繖浜涗笉闇瑕佸弬涓庢暟瀛﹁繍绠楃殑鏁板瓧锛岄兘搴旇鎸夊瓧绗︿覆鏉ュ鐞嗭級锛岃屼笉鏄寜鏁板兼潵浼犻掞紝鍚﹀垯鐢佃剳绯荤粺浼氭妸瓒呴暱鐨勬暟瀛楄嚜鍔ㄨ浆鍖栦负绉戝璁℃暟娉曟牸寮忥紙姣斿 1.23456E14 杩欐牱鐨勶級銆備綘鍙互璇曠潃杩欐牱鏀癸細onclick="fa('${order.orderId}')"褰撶劧锛...
绛旓細閲嶅惎鍚庯紝娴嬭瘯鏄剧ず姝ｅ父銆傛煡鐪鍚庡彴鏀寔鐨勭紪鐮佹牸寮忓拰鍓嶇axios鍙戦佽繃鍘荤殑鐨勭紪鐮佹牸寮忔槸鍚︿竴鑷淬備笉涓鑷村氨浼氬嚭鐜拌法鍩熼棶棰樸傝嚦浜庝负浠涔堜篃涓嶆槑鐧斤紝鍙兘鏄祻瑙堝櫒璁や负涓嶄竴鑷寸殑缂栫爜灏辨槸璺ㄥ煙涔熷彲鑳藉氨鏄祻瑙堝櫒鐨刡ug銆俈ue璇锋眰鍚庣鏁版嵁鐨勬柟娉曪紝棣栧厛鍦api鏂囦欢澶逛笅锛屽缓绔嬫帴鍙js鏂囦欢锛涚劧鍚庣‘瀹歜aseURL鍜寀rl鍚庣紑锛涙渶鍚庤緭鍏ラ渶瑕佽幏鍙...
绛旓細鍚庣鏄寚鐢ㄦ埛鐪嬩笉瑙佺殑涓滆タ锛岄氬父鏄笌鍓嶇宸ョ▼甯堣繘琛屾暟鎹氦浜掑強缃戠珯鏁版嵁鐨勪繚瀛樺拰璇诲彇锛岀浉瀵规潵璇村悗绔秹鍙鍒扮殑閫昏緫浠ｇ爜姣鍓嶇瑕澶氬緢澶氾紝鍚庣鑰冭檻鐨勬槸搴曞眰涓氬姟閫昏緫鐨勫疄鐜帮紝骞冲彴鐨勭ǔ瀹氭т笌鎬ц兘绛夈傦紙2锛夋墍鐢ㄧ殑鎶鏈笉鍚 鍓嶇寮鍙戠敤鍒扮殑鎶鏈寘鎷絾涓嶉檺浜巋tml5銆乧ss3銆乯avascript銆乯query銆丅ootstrap銆丯ode.js 銆...
绛旓細涓嬭浇涓嶅畬鏁村鑷淬備緷璧栧寘涓嬭浇涓嶅畬鏁翠細瀵艰嚧鍑虹幇js鑾峰彇涓鍒扮殑鎯呭喌銆傚彲浠ュ厛鐐瑰嚮杩涘幓鐪嬬湅渚濊禆鍖呯殑澶у皬锛屽厛璁板綍涓嬫潵锛屽垹闄ゆ暣涓猲ode_modules锛岄噸鏂板畨瑁呭嵆鍙
