文由
将ASCII等其他非Unicode字符与Unicode混合的"脏的、不规范的"编码文本转为正常文本。
源码
unicodetoString(String unicodeText)
public class StringUtil {
/**
* 解码
*/
/* public static String unicodetoString(String unicode) {
if (unicode == null || "".equals(unicode)) {
return null;
}
StringBuilder sb = new StringBuilder();
int i = -1;
int pos = 0;
while ((i = unicode.indexOf("\\u", pos)) != -1) {
sb.append(unicode.substring(pos, i));
if (i + 5 < unicode.length()) {
pos = i + 6;
sb.append((char) Integer.parseInt(unicode.substring(i + 2, i + 6), 16));
}
}
return sb.toString();
}*/
/**
* 解码
* 编码字符串 --> 文本字符串
* 支持对 ASCII与UNICODE混合编码的(脏文本)字符串解码
* Eg : "\"2ABRT3425\\u884C\\u653F\\u590D\\u8BAE\\u8868436FDGDSD\"" --> 2ABRT3425行政复议表
* @param unicode
* @return
*/
public static String unicodetoString(String unicode){
if (unicode == null || "".equals(unicode)) {
return null;
}
StringBuilder sb = new StringBuilder();
for(int pos=0;pos<unicode.length();){
//"\"2ABRT3425\\u884C\\u653F\\u590D\\u8BAE\\u8868436FDGDSD\"";
//System.out.println("pos:"+unicode.substring(pos,pos+1)+" - "+pos);
//System.out.println("index:"+unicode.indexOf("\\u", pos)+"\n");
if(unicode.indexOf("\\u", pos)-pos == 0){//unicode编码 Eg: \\2435
//System.out.println("pos2:"+unicode.substring(pos,pos+6));
if (pos + 6 <= unicode.length()){
Character ch = (char) Integer.parseInt(unicode.substring(pos + 2, pos + 6), 16);
//System.out.println("char:"+ch);
sb.append(ch);
pos+=6;
} else {// \\u
sb.append(unicode.substring(pos,pos+2));
pos+=2;
}
} else {//非unicode编码
sb.append(unicode.substring(pos,pos+1));
pos+=1;
}
}
return sb.toString();
}
}
Test
String s= "\"2ABRT3425\\u884C\\u653F\\u590D\\u8BAE436FDGDSD\"";
System.out.println("Unicode："+s);
String s1 = StringUtil.unicodetoString(s);
System.out.println("解码："+s1);
[result]
Unicode："2ABRT3425\u884C\u653F\u590D\u8BAE436FDGDSD"
解码："2ABRT3425行政复议436FDGDSD"
