import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class StringUtils {
public static String replaceBlank(String str) {
String dest = "";
if (str!=null) {
Pattern p = Pattern.compile("\\s*|\t|\r|\n");//有些特殊符号如制表符会造成返回报文出现空格
Matcher m = p.matcher(str);
dest = m.replaceAll("");
}
return dest;
}
public static void main(String[] args) {
System.out.println(StringUtils.replaceBlank("hello zyf"));
System.out.println("hello \n zyf");
System.out.println("hello \t zyf");
System.out.println(StringUtils.replaceBlank("hello \n zyf"));
}
}