java中字符串中有空格如何转为json java中字符串怎么转json
java\u5982\u4f55\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683cJAVA\u4e2d\u53bb\u6389\u7a7a\u683c
1. String.trim()
trim()\u662f\u53bb\u6389\u9996\u5c3e\u7a7a\u683c
2.str.replace(" ", ""); \u53bb\u6389\u6240\u6709\u7a7a\u683c\uff0c\u5305\u62ec\u9996\u5c3e\u3001\u4e2d\u95f4
\u590d\u5236\u4ee3\u7801 \u4ee3\u7801\u5982\u4e0b:String str = " hell o ";
String str2 = str.replaceAll(" ", "");
System.out.println(str2);
3.\u6216\u8005replaceAll(" +",""); \u53bb\u6389\u6240\u6709\u7a7a\u683c
4.str = .replaceAll("\\s*", "");
\u53ef\u4ee5\u66ff\u6362\u5927\u90e8\u5206\u7a7a\u767d\u5b57\u7b26\uff0c \u4e0d\u9650\u4e8e\u7a7a\u683c
\s \u53ef\u4ee5\u5339\u914d\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u9875\u7b26\u7b49\u7a7a\u767d\u5b57\u7b26\u7684\u5176\u4e2d\u4efb\u610f\u4e00\u4e2a \u60a8\u53ef\u80fd\u611f\u5174\u8da3\u7684\u6587\u7ae0:java\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u3001\u56de\u8f66\u3001\u6362\u884c\u7b26\u3001\u5236\u8868\u7b26\u7684\u5c0f\u4f8b\u5b50
string\u7c7b\u578b\u5982\u679c\u8981\u8f6c\u6362\u6210json\u7684\u8bdd\uff0c\u5c31\u9700\u8981\u5199\u6210\u8fd9\u6837\u7684\u5f62\u5f0f\uff0c\u5982\u4e0b\uff1a
String jsonStr ="{'id':'11','parentId':'root','refObj':{'existType':'exist','deptType':'emp','treeNodeType':'dept'}}";
JSONObject jsonObj = new JSONObject(jsonStr);
JSONObject refObj = new JSONObject(jsonObj.getString("refObj"));
String existType = refObj.getString("existType");
System.out.println(existType);
jar\u4f7f\u7528\u7684\u662forg.json.jar
json操作主要有两种,一种是json字符串转换成json对象,还有就是反过来。
如果你的字符串确实需要空格,试着现将有用的空格转换成其他字符,之后再转换过来,
还有就是利用现在的流行工具试试,很多操作json的工具。像gson,Java自带的对象等。
绛旓細鍦 Java 涓紝绌烘牸鍙互浣跨敤杞箟瀛楃 `\u0020` 鏉ヨ〃绀銆傝繖涓浆涔夊瓧绗︿唬琛 Unicode 缂栫爜涓殑绌烘牸瀛楃锛屽叾鍗佸叚杩涘埗鍊间负 0020銆備緥濡傦紝瑕佸湪 Java 涓娇鐢ㄧ┖鏍煎瓧绗︼紝鍙互灏嗗叾鐢ㄥ弻寮曞彿鎷捣鏉ヤ綔涓哄瓧绗︿覆瀛楅潰閲忕殑涓閮ㄥ垎锛屽涓嬫墍绀猴細```java String s = "Hello\u0020world!";System.out.println(s); //...
绛旓細replace鍑芥暟銆備娇鐢╮eplace鍑芥暟鏇挎崲瀛楃涓蹭腑鐨勭┖鏍硷紝濡傛灉涓庡師鏉ョ殑瀛楃涓茬浉绛夊氨琛ㄧず娌℃湁鍖呭惈绌烘牸銆傚叾浠栬繕鍙互浣跨敤绌烘牸鐨勬鍒欒〃杈惧紡锛岀湅瀛楃涓叉槸鍚﹀寘鎷姝e垯琛ㄨ揪寮忕殑鍊笺
绛旓細棣栧厛涓嶆槸鎵鏈鐨勫瓧绗︿覆閮藉彲浠ヨ浆鎹㈡垚json鏍煎紡锛宩son鎿嶄綔涓昏鏈変袱绉嶏紝涓绉嶆槸json瀛楃涓茶浆鎹㈡垚json瀵硅薄锛岃繕鏈夊氨鏄弽杩囨潵銆傚鏋滀綘鐨勫瓧绗︿覆纭疄闇瑕佺┖鏍硷紝璇曠潃鐜板皢鏈夌敤鐨勭┖鏍艰浆鎹鎴愬叾浠栧瓧绗︼紝涔嬪悗鍐嶈浆鎹㈣繃鏉ワ紝杩樻湁灏辨槸鍒╃敤鐜板湪鐨勬祦琛屽伐鍏疯瘯璇曪紝寰堝鎿嶄綔json鐨勫伐鍏枫傚儚gson锛Java鑷甫鐨勫璞$瓑銆
绛旓細1銆String.trim() \x0d\x0a\x0d\x0atrim()鏄幓鎺夐灏绌烘牸 \x0d\x0a\x0d\x0a2銆乻tr.replace(" ", ""); 鍘绘帀鎵鏈夌┖鏍硷紝鍖呮嫭棣栧熬銆佷腑闂 \x0d\x0a\x0d\x0a澶嶅埗浠g爜 浠g爜濡備笅:\x0d\x0aString str = " hell o "; \x0d\x0aString str2 = str.replaceAll(" ",...
绛旓細// 鏁翠綋鍖归厤鐨勬槸鈥滀竴涓垨澶氫釜绌烘牸锛屽悗闈㈢揣璺熺潃涓涓暟瀛椻濈殑瀛愪覆 String regex = "([ ]+)([0-9])"; Pattern p = Pattern.compile(regex); Matcher m = p.matcher(oldStr); // 鎶婂師瀛楃涓蹭腑鎵鏈夎妯″紡涓([ ]+)([
绛旓細濡傛灉鎸夌収浣犺鐨勬剰鎬濃滀粠瀛楃涓蹭腑鎻愬彇鐢绌烘牸闅斿紑鐨勬暟瀛椻濅笅闈㈣繖绉嶆柟娉曟槸瀵圭殑"鍙栧嚭绌烘牸闅斿紑鐨勬暟鎹"String str = "16 5 12 136";String[] s = str.split(" ");//浣犲彲浠ユ妸寰楀埌鐨勫煎己杞垚int for (int i = 0; i < s.length; i++) { System.out.println(s[i]);} 濡傛灉鎸夌収浣犵粰鐨 渚嬪瓙:鈥滃瀛楃...
绛旓細棣栧厛锛绌烘牸娌℃湁涓嫳鏂囦箣鍒 閫楀彿鐨勮瘽灏辫繖鏍峰惂 鑷繁瀹氫箟涓涓String a="锛"锛//涓枃閫楀彿 String b="ffff,saaa,ssss";b = b.replaceAll(",", a);public class T {public static void main(String[] args) {String a = "锛";String b = "ffff,saaa,ssss";System.out.println(b);b = ...
绛旓細JAVA涓鍘绘帀绌烘牸 1. String.trim()trim()鏄幓鎺夐灏剧┖鏍 2.str.replace(" ", ""); 鍘绘帀鎵鏈夌┖鏍硷紝鍖呮嫭棣栧熬銆佷腑闂 澶嶅埗浠g爜 浠g爜濡備笅:String str = " hell o ";String str2 = str.replaceAll(" ", "");System.out.println(str2);3.鎴栬卹eplaceAll(" +",""); 鍘绘帀鎵鏈夌┖鏍 4.str = ....
绛旓細绗ㄦ柟娉曪細String s = 浣犺鍘婚櫎鐨勫瓧绗︿覆;1.鍘婚櫎绌烘牸锛歴 = s.replace(‘\\s’,);2.鍘婚櫎鍥炶溅锛歴 = s.replace(‘\n’,);杩欐牱涔熷彲浠ユ妸绌烘牸鍜屽洖杞﹀幓鎺夛紝鍏朵粬涔熷彲浠ョ収杩欐牱鍋氥傛敞锛歕n 鍥炶溅(\u000a)\t 姘村钩鍒惰〃绗(\u0009)\s 绌烘牸(\u0008)\n 鎹㈣ 灏嗗厜鏍囩Щ鍔ㄥ埌涓...
绛旓細lastIndexOf("a");String s3=s1.replaceAll(" ", "");String s4=s1.substring(0,k)+s3+s1.substring(l+1);System.out.println(s4);} } 杈撳嚭鐨剆4涓猴細鈥 aabbccdd 鈥濆皢宸︿晶鍜屽彸渚鐨勭┖鏍瀹岀編淇濈暀锛屾ゼ涓荤敤鐨勬椂鍊欏彧闇瑕佹敼鍔╯1鐨勮祴鍊煎嵆鍙 妤间富浣犳弧鎰忎箞锛岃繕涓嶈揪鍒拌姹傝杩介棶濂戒簡 ...