Get Unicode encoding
Package com.xs.test;
public class Test {public
static void Main (string[] args) throws Exception {
int decimal = (int) ');
System.out.println (decimal); Unicode decimal encoding
String hex = integer.tohexstring (decimal);
System.out.println (hex); Unicode hexadecimal encoding
System.out.println ("Medium". Contains ("\u4e2d"));
}
Filter Special characters ZWNJ (zero-width non-joiner)20013 4e2d True
Character Zwnj is an invisible special character, which is often stored as garbled in the database, so it should be filtered out.
File A.xml contains two special characters ZWNJ:
Filter out character Zwnj:<?xml version= "1.0" encoding= "UTF-8"?> <body> People's Republic of China </body>
Package com.xs.test;
Import Java.io.File;
Import java.io.IOException;
Import Org.apache.commons.io.FileUtils;
public class Test2 {public
static void Main (string[] args) throws IOException {
String path = Test2.class.getReso Urce ("A.xml"). GetFile ();
String content = fileutils.readfiletostring (new File (path), "UTF-8");
SYSTEM.OUT.PRINTLN (content);
Char C1 = Content.charat (Content.indexof (' Hua ') + 1);
int unicode1 = (int) C1;
String hexUnicode1 = integer.tohexstring (unicode1);
System.out.println (hexUnicode1);
char C2 = Content.charat (Content.indexof (' min ') + 1);
int unicode2 = (int) c2;
String HexUnicode2 = integer.tohexstring (unicode2);
System.out.println (HEXUNICODE2);
System.out.println ("-------------------------after Filtration");
System.out.println (Content.replaceall ("\u200c", ""));
}
<?xml version= "1.0" encoding= "UTF-8"?> <body> Chinese People's Republic </body> 200c 200c ------ After-------filtration------------ <?xml version= "1.0" encoding= "UTF-8"?> <body> People's Republic of China </body>
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