javaString字符串截取？
可以直接调用subString()方法来进行字符串截取。扩展资料：截取后面的字符串也是调用substring（）方法，只是括号里面参数不一样publicStringsubstring（intbeginIndex）返回一个新的字符串，它是此字符串的一个子字符串。该子字符串从指定索引处的字符开始，直到此字符串末尾。示例：\"unhappy\".substring(2)returns\"happy\"
绛旓細浣跨敤substring() 鏂规硶杩斿洖瀛楃涓鐨勫瓙瀛楃涓层傝缁嗚В鏋愬涓嬶細1銆佽娉曪細锛1锛塸ublic String substring(int beginIndex)銆傦紙2锛塸ublic String substring(int beginIndex, int endIndex)銆2銆佸弬鏁帮細锛1锛塨eginIndex -- 璧峰绱㈠紩锛堝寘鎷級, 绱㈠紩浠 0 寮濮嬨傦紙2锛塭ndIndex -- 缁撴潫绱㈠紩锛堜笉鍖呮嫭锛夈3銆佽繑鍥炲...
绛旓細閫氳繃substring瀹炵幇 1銆佽幏鍙栬瀛楃涓 String str = "abcdef";2銆侀氳繃瀛楃涓查暱搴︼紝鎴彇鍊掓暟绗簩涓瓧绗︿覆鐨勮捣姝綅缃埌缁撴潫浣嶇疆 String str2 = str.substring(str.length()-2,str.length()-1);//杩欓噷鎴彇鐨勪俊鎭氨鏄痚锛屽掓暟绗簩涓瓧绗﹁ˉ鍏咃細public String substring(int beginIndex, int endIndex)杩斿洖...
绛旓細java涓埅鍙栨湭鐭ラ暱搴﹀瓧绗︿覆涓昏鏄娇鐢⊿tring绫伙紝绀轰緥濡備笅锛/** * @author cn * @param s 瑕佹埅鍙栫殑瀛楃涓 * @param length 瑕鎴彇瀛楃涓鐨勯暱搴->鏄瓧鑺備竴涓眽瀛2涓瓧鑺 * return 杩斿洖length闀垮害鐨勫瓧绗︿覆锛堝惈姹夊瓧锛*/private static String getTitleToTen(String s, int length) throws Exception ...
绛旓細鍙互閫氳繃java鐨鈥漵ubstring鈥滄柟娉曟埅鍙栧嚭瀵瑰簲鐨勫瓧绗︿覆锛屽墠鎻愭槸鐭ラ亾寮濮嬪拰缁撴潫鐨勫瓧绗︿覆鐨勫笺傜敤substring(int start,int end);绋嬪簭濡備笅:public class 鎴彇瀛楃涓{ public static void main(String[] args){ String str = "http://deyu.qxntc.edu.cn/music/6.mp3";//鑷畾涔夊瓧绗︿覆 str = str....
绛旓細鐢ㄦ鍒欒〃杈惧紡鎸夋暟瀛楀拰涓枃鐨勪氦鐣屽鍒囧垎瀛楃涓,灏卞彲浠ュ疄鐜颁綘鐨勮姹,瀹屾暣鐨Java绋嬪簭濡備笅 public class F{ public static void main(String[] args){ String str="楸艰眴鑵20娴峰甫3鎺屼腑瀹8楦＄繀2鍙箰2";String[] s=str.split("(?<=[0-9])(?=[\u4e00-\u9fa5])");for(int i=0;i...
绛旓細String reg1 = ".*鎬у埆锛([^\\|]*)\\|?.*";String reg2 = ".*姘戞棌锛([^\\|]*)\\|?.*";String reg3 = ".*鐢熸棩锛([^\\|]*)\\|?.*";String str = "鎬у埆锛氬コ澹珅姘戞棌锛氭眽鏃弢鐢熸棩锛1990-9-22";String sex = str.replaceAll(reg1, "$1");String mz = str.replaceAll(...
绛旓細public class Test {public static void main(String[] args) {String str = "123\n456\n789\n012";String str2 = getStr(str, 2);//鎴彇绗簩娆★紝濡傛灉鏄12娆★紝灏辨敼鎴12System.out.println(str2);}private static String getStr(String str, int n) {int i = 0;int s = 0;while ...
绛旓細澶勭殑瀛楃涓 渚嬶細String str=鈥渪xxxabcdefg鈥;瑕佸幓鎺夊墠闈㈠洓涓殑璇濄傚氨鏄鑾峰緱璇ュ瓧绗︿覆绱㈠紩涓4-鏈鍚庣殑杩欐瀛楃銆係tring result=str.substring(4);//涓嶅啓缁撴潫绱㈠紩鏃㈣〃绀轰粠璧峰绱㈠紩寮濮嬪埌璇ュ瓧绗︿覆鏈鍚庡叏閮鎴彇鑾峰緱銆string result =str.substring(4,str.length());str.length()鏄幏寰楀瓧绗︿覆鐨勯暱搴 ...
绛旓細鐢╯ubString.鍏蜂綋鐢ㄦ硶:瀛楃涓叉埅鍙,substring(int beginIndex) 杩斿洖涓涓柊鐨勫瓧绗︿覆锛屽畠鏄瀛楃涓茬殑涓涓瓙瀛楃涓层俿ubstring(int beginIndex, int endIndex) 杩斿洖涓涓柊瀛楃涓诧紝瀹冩槸姝ゅ瓧绗︿覆鐨勪竴涓瓙瀛楃涓层俠eginIndex - 璧峰绱㈠紩锛堝寘鎷級銆備粠0寮濮 endIndex - 缁撴潫绱㈠紩锛堜笉鍖呮嫭锛夈"12345".substring...
绛旓細鏈夊緢澶氱鏂规硶锛岀涓绉嶆柟娉曟槸灏瀛楃涓杞寲鎴愬瓧绗︽暟缁勶紝閫氳繃寰幆涓涓竴涓垽鏂槸鍚︽暟瀛楋紝鏄殑璇濊繘鏍堬紝涓嶆槸鐨勮瘽鍑烘爤銆傚彟澶栦竴绉嶆槸鎶婂瓧绗︿覆杞崲鎴stringbuffer绫诲瀷涔熸槸鐩存帴寰幆鍒ゆ柇浠庨噷闈㈠彇鏁帮紝
