java截取字符串方法实例。

截取邮件@以后的字符方法

public static String getwebNamePart(String Email) {
String result = Email;
int lastIndex = result.lastIndexOf(“@”);
if (lastIndex > 0) {
return result.substring(lastIndex+1,result.length());
}
else {
return result;
}

传入www@163.com

返回163.com