鏈€杩戦亣鍒伴棶棰樼殑瑙ｅ喅鏂规锛氱壒娈婄殑绌烘牸-ASCII鐮佸€?60锛堣浆鍙戯級

Posted 2020-12-21

鏍囩锛?a href='http://www.mamicode.com/so/1/%e9%93%be%e6%8e%a5' title='閾炬帴'>閾炬帴   鏃犳硶   acea   鍒╃敤   amp   htm   绉婚櫎   clear   sci   

銆€銆€鏈€杩戦亣鍒颁釜闂锛屽湪椤甸潰鐨勬悳绱㈡杈撳叆甯︽湁绌烘牸鐨勫瓧绗︿覆鏃讹紝鎬绘槸鏃犳硶浠巇b涓悳绱㈠嚭鏉ュ搴旂殑鏁版嵁锛屼簬鏄皢db閲岀殑绌烘牸澶嶅埗鍑烘潵锛屽彂鐜板叾ASCII鐮佸€间负160锛岃繖鎵嶇煡閬擄紝鍘熸潵ASCII鐮佷腑闄や簡32涔嬪杩樻湁160杩欎釜鐗规畩鐨勭┖鏍笺€備笅杈规槸鏌ョ湅瀛楃瀵瑰簲ASCII鍊肩殑閫昏緫锛?/p>

final char c1 = 鈥?鈥? //db閲岀殑绌烘牸
final char c2 = 鈥?鈥? //鎵嬪姩杈撳叆鐨勭┖鏍?System.out.println((int)c1); //160
System.out.println((int)c2); //32

銆€銆€骞虫椂鎴戜滑鐢ㄩ敭鐩樿緭鍏ョ殑绌烘牸鐨凙SCII鍊兼槸32锛岃€岃繖涓狝SCII鍊间负160鐨勭┖鏍硷紝鍏跺疄鏄笉闂存柇绌烘牸(non-breaking space)锛屾槸涓嶆槸浠庢潵娌″惉璇磋繃杩欎笢涓滐紵鍏跺疄浣犲钩鏃朵竴瀹氫篃鐢ㄨ繃寰堝娆＄殑锛屽氨鏄〉闈笂鐨?code> 鎵€浜х敓鐨勭┖鏍笺€?/p>

銆€銆€涓嶉棿鏂┖鏍糿on-breaking space鐨勭缉鍐欐鏄痭bsp銆傝繖涓┖鏍肩殑浣滅敤灏辨槸鍦ㄩ〉闈㈡崲琛屾椂涓嶈鎵撴柇锛屽涓嬶細

椤甸潰鏌愪竴琛岀殑鏈熬鏄竴涓汉鍚峑hang Xiaoming

銆€銆€鎴戜滑甯屾湜鍦ㄦ崲琛屾椂浜哄悕涓嶄細琚墦鏂紝瀵艰嚧Zhang 鍦ㄧ涓€琛屾湯灏撅紝鑰孹iaoming璺戝埌绗簩琛屽紑澶达紝鑰屾槸淇濇寔瀹屾暣鐨勪汉鍚嶅湪鍚屼竴琛岀殑鏈熬锛屼簬鏄氨鏈変簡涓嶉棿鏂┖鏍笺€?鍦╳ord涓篃鏈夎繖绉嶇┖鏍肩殑浣跨敤)

銆€銆€濡傛灉浣跨敤浜嗗钩甯哥殑绌烘牸锛屽氨浼氳椤甸潰鍘嬬缉锛屽彉鎴愪笅杈硅繖鏍?/p>

椤甸潰鏌愪竴琛岀殑鏈熬鏄竴涓汉鍚峑hang 
Xiaoming

闂

銆€銆€浣嗘槸涓嶉棿鏂┖鏍兼湁涓棶棰橈紝灏辨槸瀹冩棤娉曡trim()鎵€瑁佸壀锛屼篃鏃犳硶琚鍒欒〃杈惧紡鐨?code>s鎵€鍖归厤锛屼篃鏃犳硶琚玈tringUtils鐨刬sBlank()鎵€璇嗗埆锛屼篃灏辨槸璇达紝鏃犳硶鍍忚鍓甯哥┖鏍奸偅鏍风Щ闄よ繖涓笉闂存柇绌烘牸銆?/p>

銆€銆€鎴戜滑鍙互鍒╃敤涓嶉棿鏂┖鏍肩殑Unicode缂栫爜鏉ョЩ闄ゅ畠锛屽叾缂栫爜涓?code>u00A0銆?/p>

瑙ｅ喅鍔炴硶濡備笅锛?/p>

replace("u00A0", "")
replaceAll("\u00A0+", "")  //杩欐槸姝ｅ垯琛ㄨ揪寮忕殑鍐欐硶

String str = "aacsdfe ";  //鍖呭惈浜嗕笉闂存柇绌烘牸鐨勫瓧绗︿覆
str = str.replace("u00A0", "");
str = str.replaceAll("\u00A0+", "");

鍘熸枃閾炬帴锛歨ttps://blog.csdn.net/lewky_liu/article/details/79353151