数字转中文

 

   private String getD(int d) {
//       String[] str = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };String[] str = {"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"};
//       String ss[] = new String[] { "元", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿" };String ss[] = new String[]{ "", "十", "百", "千", "万", "十", "百", "千", "亿"};String s = String.valueOf(d);StringBuffer sb = new StringBuffer();for (int i = 0; i < s.length(); i++) {String index = String.valueOf(s.charAt(i));sb = sb.append(str[Integer.parseInt(index)]);}String sss = String.valueOf(sb);int i = 0;for (int j = sss.length(); j > 0; j--) {sb = sb.insert(j, ss[i++]);}return sb.toString().trim();}

 

/*** 判断给定字符串是否空白串。 空白串是指由空格、制表符、回车符、换行符组成的字符串 若输入字符串为null或空字符串，返回true** @param input* @return boolean*/
public static boolean isEmpty(String input) {if (input == null || "".equals(input))return true;for (int i = 0; i < input.length(); i++) {char c = input.charAt(i);if (c != ' ' && c != '\t' && c != '\r' && c != '\n') {return false;}}return true;
}

// 判断手机号码是否规则
public static boolean isPhoneNumber(String input) {String regex = "(1[0-9][0-9]|15[0-9]|18[0-9])\\d{8}";Pattern p = Pattern.compile(regex);return p.matches(regex, input);
}

 

 

//判断是否是数字

public final static boolean isNumeric(String s) {if (s != null && !"".equals(s.trim()))return s.matches("^[0-9]*$");elsereturn false;
}

dp转px

public static int dpToPx(float dp, Resources resources) {float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.getDisplayMetrics());return (int) px;
}