java中string怎么截取到最后
java\u5982\u4f55\u622a\u53d6\u5b57\u7b26\u4e32\u6700\u540e\u4e00\u4e2a" : "\u7684\u4f4d\u7f6estr.substring(str.lastIndexOf(":")+1,str.length())
lastIndexOf\u5148\u4ece\u540e\u9762\u5f00\u59cb\u641c\u7d22\u7b2c\u4e00\u6b21\u51fa\u73b0\uff1a\u7684\u7d22\u5f15\uff0c\u7136\u540e\u622a\u53d6\u7d22\u5f15\u52a01\uff0c\u5230str\u7684\u957f\u5ea6
1\u3001\u968f\u4fbf\u521b\u5efa\u4e00\u4e2a\u6709main\u65b9\u6cd5\u7684\u7c7b
2\u3001\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u8fd9\u91cc\u7ed9\u53d8\u91cf\u8d4b\u503c\u201c \u767e\u5ea6\u4e00\u4e0b\uff0c\u4f60\u5c31\u77e5\u9053 \u201d
3\u3001\u4e3a\u4e86\u66f4\u52a0\u6e05\u6670\u7684\u77e5\u9053\u5b57\u7b26\u4e32\u7684\u7d22\u5f15\uff0c\u7528\u5b57\u7b26\u4e32\u5bf9\u8c61\u53e6\u5916\u4e00\u4e2a\u65b9\u6cd5\u201clength()\u201d\u5f97\u5230\u6b64\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u4e3a9
4\u3001\u7136\u540e\u4e0b\u9762\u5c31\u662f\u7528\u7b2c\u4e00\u4e2a\u65b9\u6cd5String substring(int beginIndex);\u8fd4\u56de\u83b7\u53d6\u67d0\u4f4d\u7f6e\u5f00\u59cb\u5230\u7ed3\u675f\u7684\u5b50\u5b57\u7b26\u4e32\u3002
5\u3001\u5c06b\u6253\u5370\u51fa\u6765\uff0c\u8fd0\u884c\u4e00\u4e0b\uff0c\u53ef\u4ee5\u770b\u5230\u8f93\u51fa\u7ed3\u679c\u4e3a\u201c\u4e0b\uff0c\u4f60\u5c31\u77e5\u9053\u201d\uff0c\u8bf4\u660e\u5df2\u7ecf\u622a\u53d6\u4e86\u8fd9\u90e8\u5206\u5b57\u7b26\u4e86\u3002
6\u3001\u7136\u540e\u518d\u521b\u5efa\u53e6\u5916\u4e00\u4e2a\u5b57\u7b26\u4e32\u53d8\u91cfc\uff0c\u7136\u540e\u8ba9\u5176\u7b49\u4e8e\u5b57\u7b26\u4e32c\u8c03\u7528\u4e86substring(3,7);\u65b9\u6cd5\u540e\u7684\u8fd4\u56de\u503c\uff0c\u5373\u4ece\u7b2c\u4e09\u4e2a\u5b57\u7b26\u5230\u7b2c7\u4e2a\u5b57\u7b26\u7684\u5b50\u5b57\u7b26\u4e32
7\u3001\u7136\u540e\u5c06c\u6253\u5370\u51fa\u6765\uff0c\u53ef\u4ee5\u770b\u5230\u8f93\u51fa\u7ed3\u679c\u4e3a\u201c\u4e0b\uff0c\u4f60\u5c31\u201d\uff0c\u8bf4\u660e\u5df2\u7ecf\u622a\u53d6\u4e86\u8fd9\u90e8\u5206\u5b57\u7b26\u4e86\u3002
public static void main(String[] args) {
String str = "ABCDEFGHIJK";
String str1 = str.substring(5);
System.out.println(str1);
} 不要写结束的参数就可以了，不知道你要问的是这个问题么。
public static void main(String[] args) {
String str = "ABCDEFGHIJK";
String str1 = str.substring(5);
String str2 = str.substring(5,10);
System.out.println(str1);
} substring()方法有两重载，你自己都是一下，就应该明白了
绛旓細split鏂规硶鏍规嵁閫楀彿鎴彇灏辫浜
绛旓細鎬庝箞鐢╬erl瀹炵幇瀛楃涓茬殑閮ㄥ垎鎴彇锛熺敤perl涓鐨勬埅鍙鍑芥暟substr鐢ㄦ硶substr($a,0,4)鍏朵腑$a鏄鍒囩殑锛屽浣犺鐨474...锛屼粠绗0浣嶈捣鍚戝悗鍒囧洓涓瓧绗erl-e'my$a=474000895745;my$b=substr($a,0,4);print"$bn";'4740 javaString瀛楃涓叉埅鍙锛熷彲浠ョ洿鎺ヨ皟鐢╯ubString()鏂规硶鏉ヨ繘琛屽瓧绗︿覆鎴彇銆
绛旓細鍙互閫氳繃java鐨indexOf鏂规硶鑾峰彇鍒伴楀彿鐨勪綅缃紝涔嬪悗閫氳繃鈥漵ubstring鈥滄柟娉鎴彇鍑哄搴旂殑瀛楃涓层備妇渚嬶細String reqResult = "11111111111111,222222222222";String getSignInfo = reqResult.substring(reqResult.indexOf(",") + 1);//鑾峰彇寮濮嬫埅鍙栫殑浣嶇疆锛屼箣鍚庢埅鍙栭楀彿鍚庨潰鐨勬墍鏈夊唴瀹 System.out.print(getSign...
绛旓細杩斿洖涓涓柊瀛楃涓诧紝瀹冩槸姝ゅ瓧绗︿覆鐨涓涓瓙瀛楃涓层傝瀛愬瓧绗︿覆浠庢寚瀹氱殑 beginIndex 澶勫紑濮嬶紝涓鐩村埌绱㈠紩 endIndex - 1澶勭殑瀛楃銆傚洜姝わ紝璇ュ瓙瀛楃涓茬殑闀垮害涓 endIndex-beginIndex銆4銆乻ubstring鍑芥暟瀛樺湪鐨勬姏鍑洪敊璇細IndexOutOfBoundsException - 濡傛灉 beginIndex 涓鸿礋锛屾垨 endIndex 澶т簬姝 String 瀵硅薄鐨勯暱搴...
绛旓細鍦Java涓锛屽鐞嗗瓧绗︿覆骞剁Щ闄ゆ渶鍚庝竴涓瓧绗︾殑鎿嶄綔鐩稿綋鐩存帴锛屼富瑕佸熷姪浜String绫荤殑涓や釜鏂规硶锛歴ubstring()鍜宭ength()銆備互涓嬫槸璇︾粏鐨勬楠わ細1. 浣跨敤substring()鏂规硶锛氳繖涓柟娉曟湁涓や釜鍙傛暟锛岀涓涓弬鏁版槸寮濮鎴彇鐨勭储寮曪紙鍖呮嫭璇ヤ綅缃殑瀛楃锛夛紝绗簩涓弬鏁版槸鎴浣嗕笉鍖呮嫭鐨勭储寮曘傚綋浣犳兂瑕佺Щ闄ゆ渶鍚庝竴涓瓧绗︽椂锛屽彲浠...
绛旓細// String a ="1.4.5.7" ;// String b ="1.4.8";String a ="1.12.15";String b="1.145.143";System.out.println("a鎴彇鍓嶄负:"+a);System.out.println("b鎴彇鍓嶄负:"+b);String str1 = a.substring(0,a.indexOf(".",2));//鑾峰彇瀛楃涓瞐绗2涓.涔嬪墠鐨瀛楃涓 String...
绛旓細鍙互閫氳繃java鐨鈥漵ubstring鈥滄柟娉鎴彇鍑哄搴旂殑瀛楃涓诧紝鍓嶆彁鏄煡閬撳紑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 鎴彇瀛楃涓瞷 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....
绛旓細缁欎綘鎺ㄨ崘java 瀛楃涓叉埅鍙栫殑涓夌鏂规硶锛歴plit()+姝ｅ垯琛ㄨ揪寮忔潵杩涜鎴彇銆傚皢姝ｅ垯浼犲叆split()銆傝繑鍥炵殑鏄竴涓瓧绗︿覆鏁扮粍绫诲瀷銆備笉杩囬氳繃杩欑鏂瑰紡鎴彇浼氭湁寰堝ぇ鐨勬ц兘鎹熻楋紝鍥犱负鍒嗘瀽姝ｅ垯闈炲父鑰楁椂銆2.閫氳繃subString()鏂规硶鏉ヨ繘琛屽瓧绗︿覆鎴彇銆俿ubString閫氳繃涓嶅悓鐨勫弬鏁版潵鎻愪緵涓嶅悓鐨勬埅鍙鏂瑰紡 鍙紶涓涓弬鏁 渚嬪锛String sb...
绛旓細String str2 = str.substring(str.length()-2,str.length()-1);//杩欓噷鎴彇鐨淇℃伅灏辨槸e锛屽掓暟绗簩涓瓧绗﹁ˉ鍏咃細public String substring(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傝瀛愬瓧绗︿覆浠庢寚瀹氱殑 beginIndex 澶勫紑濮嬶紝鐩村埌绱㈠紩 endIndex - 1 澶勭殑瀛楃銆
绛旓細java涓埅鍙鏈煡闀垮害瀛楃涓蹭富瑕佹槸浣跨敤String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 瑕佹埅鍙栧瓧绗︿覆鐨勯暱搴->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 ...
