jquery在調試時出現缺少對象的錯誤

1锛夊紩鍏ョ殑js鏂囦歡鍑洪敊锛屄?

妫€鏌ユ柟娉曪細灏咼s鐨勫唴瀹瑰啓鍦ㄥ綋鍓嶇殑椤甸潰鐨?lt;script> </script>涔嬮棿锛岀湅鏄惁鑳藉姝ｅ父杩愯锛屽鏋滀笉鑳斤紝璇鋒牳鏌ヤ唬鐮伮?

2) 濡傛灉寮曞叆鐨勪唬鐮佸湪褰撳墠椤甸潰涓兘澶熸甯歌繍琛岋紝浣嗗綋寮曞叆鏃朵笉鑳芥甯歌繍琛岋紝鍒欐湁涓ょ鍙兘聽

聽聽 A:寮曞叆Js鐨勮礬寰勬湁闂聽

聽聽 B:寮曞叆鐨凧s鐨勭紪鐮佹牸寮忎笌褰撳墠椤甸潰涓嶅尮閰嶏紱聽

3)寮曞叆Js鐨勮礬寰勯棶棰樎?

聽聽 js鐨勫紩鍏ヤ笉澶栦箮涓ょ锛岀浉瀵矽礬寰勪笌缁濆璺緞聽

聽 test.js聽 涓巌ndex.jsp 鏀懼湪鍚屼竴鏂囦歡澶逛笅,姣斿: web搴旂敤/manage/涓嬮潰聽

聽 绗竴绉嶆儏鍐?:聽

聽 涓€鑸湪瀛︿範鏃? 涓€涓猼omcat涓婇兘璺戝涓伐绋? 鐢ㄥ伐绋嬪悕鏉ュ尯鍒喡?

鍥犱負鎴戠殑鐨刄RL鏄?:http://localhost/宸ョ▼鍚?/manage/index.jsp聽

澶氫簡涓€涓伐绋嬪悕,鎵€浠ヨ鍔?<%=request.getContextPath() %>聽

濡備笅:聽

<script src="<%=request.getContextPath() %> /manage/test.js"></script>聽

聽 绗簩绉嶆儏鍐?聽

聽 璁塊棶JSP鏂囦歡鏃? 鐢ㄧ浉瀵矽礬寰勫紩鍏S,CSS鏂囦歡鏄疧K鐨劼?

聽 鐪熷疄椤圭洰涓?聽 涓€涓猼omcat涓婅鏄篃璺戜簡澶氫釜宸ョ▼, 骞剁敤IP鏉ュ尯鍒喡?

聽 url 鏄繖鏍風殑:聽 http://localhost/manage/index.jsp聽聽 娉ㄦ剰杩欓噷,鏄洿鎺ヨ闂甁SP鏂囦歡,涓嶆槸聽聽聽 servlet,涓嶆槸struts .聽

test2.js聽 涓巌ndex.jsp 鏀懼湪鍚屼竴鏂囦歡澶逛笅,涓嬮潰鐢ㄧ浉瀵矽礬寰勬潵寮曞叆 JS鏂囦歡 鏄疧K 鐨?聽

<script src=test2.js></script>聽

绗笁绉嶆儏鍐?涓€涓€氳繃Action璺寵漿涔嬪悗鍒拌揪鐨凧sp椤甸潰闇€瑕佸紩鍏ヤ竴涓狫s鏂囦歡锛毬?

聽 杩欑鎯呭喌涓嬶紝璇蜂嬌鐢ㄧ粷瀵矽礬寰勶紝聽

聽 鍦ㄧ浜屾儏鍐電殑鍩虹涓? 鎴戜滑璁塊棶鐨勬槸 servlet 鎴栨槸struts鐨刟ction聽 , 鍐嶈漿鍙戝埌 index.jsp聽

url 鏄?聽 http://localhost/***.do鎴栬€吢?http://localhost/***.action 杩欓噷涓嶆槸璁塊棶JSP鏂囦歡浜喡?

鍥犳璺緞搴旇杩欎箞鍐欙細聽

<script src="/manage/test.js"></script>聽

test2.js聽 鍓嶉潰涓€瀹氳鏈?manage/聽

鎴栬€咃細<script src="http://127.0.0.1/宸ョ▼鍚?manage/test.js"></script> 杩欑鏂規硶鎺ㄨ崘聽

鍦ㄥ紩鍏s鏃訛紝鎴戜滑搴旇鍏繪垚鑹ソ鐨勪範鎯紝璇蜂嬌鐢ㄧ粷瀵矽礬寰勶紝鍦ㄥ紑鍙戞椂锛岃兘澶熷ぇ澶х殑鎻愰珮鑷繁鐨勫紑鍙戞晥鐜囥€偮?

4锛夊紩鍏s鐨勭紪鐮侀棶棰?聽

聽聽聽

聽聽 灏嗕袱鑰呯殑缂栫爜鏀逛負涓€鑷達紝涓€鑸垜浠彲浠ヤ慨鏀笿S鏂囦歡缂栫爜浣垮叾涓庨〉闈㈢紪鐮佷竴鑷淬€偮?

绗簩绉嶆柟寮忔槸浣跨敤script鏍囪鐨刢harset灞炴€ф潵鏄懼紡鎸囨槑鎵€寮曞叆js鏂囦歡鐨勭紪鐮併€傚<script src="xx.js"聽charset="gbk"></script>

杩欐牱鏃犺椤甸潰鏄粈涔堢紪鐮侊紝閮藉彲浠ユ甯哥殑璁塊棶杩欎釜JS涓殑鍐呭銆偮?

鐩告瘮涔嬩笅锛岀浜岀鍙兘鏇存柟渚誇竴浜涳紝鑰屼笖浣滀負涓€绉嶅ソ鐨勪範鎯紝骞蟲椂鎴戜滑搴旇灏藉彲鑳介兘鍐欎笂charset灞炴€с€?

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