package cn.temptation.util;

import java.util.regex.Pattern;

public class TypeUtil {
    /**
     * 验证是否整数
     * @param str
     * @return
     */
    public static boolean isNum(String str) {
        Pattern pattern = Pattern.compile("^-?[0-9]+");
        if (pattern.matcher(str).matches()) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 验证是否小数
     * @param str
     * @return
     */
    public static boolean isNumEx(String str) {
        Pattern pattern = Pattern.compile("^[-+]?[0-9]+(\\.[0-9]+)?$");

        if (pattern.matcher(str).matches()) {
            return true;
        } else {
            return false;
        }
    }
}