272 lines
7.5 KiB
Plaintext
272 lines
7.5 KiB
Plaintext
package com.bonus.core;
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import java.io.ByteArrayOutputStream;
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import java.text.DecimalFormat;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class StringHelper {
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private static String hexString = "0123456789ABCDEF";
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public static String replaceAll(String str, String oldStr, String newStr) {
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return str.replaceAll(oldStr, newStr);
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}
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public static boolean contains(String s1, String s2) {
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if (isEmpty(s1)) {
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return false;
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}
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return s1.contains(s2);
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}
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public static int getInt(String valStr) {
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return getInt(valStr, 0);
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}
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public static int getInt(String valStr, int defaulVal) {
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int val = 0;
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try {
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val = Integer.parseInt(valStr);
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} catch (Exception e) {
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val = defaulVal;
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}
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return val;
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}
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public static String nullPlaceholder(String str, String holderStr) {
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if (isEmpty(str)) {
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return holderStr;
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}
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return str;
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}
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public static String getShiroBtns(String str) {
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StringBuilder btnString = new StringBuilder();
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if (isNotEmpty(str) && str.indexOf("Management") != -1) {
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Integer startIndex = str.lastIndexOf("/") + 1;
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Integer endIndex = str.indexOf("Management");
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str = str.substring(startIndex, endIndex);
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String startStr1 = "<shiro:hasPermission name='";
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String startStr2 = "'>";
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String endStr = "</shiro:hasPermission>";
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// 增加按钮
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btnString.append(startStr1 + str + ":add" + startStr2);
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btnString.append(
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"<a title='新增' onclick='add()' class='lrspace3' ><i class='icon-plus-sign color bigger-180'></i></a>");
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btnString.append(endStr);
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// 查看按钮
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btnString.append(startStr1 + str + ":view" + startStr2);
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btnString.append(
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"<a title='查看' onclick='view()' class='lrspace3' ><i class='icon-info-sign color bigger-180'></i></a>");
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btnString.append(endStr);
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// 修改按钮
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btnString.append(startStr1 + str + ":edit" + startStr2);
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btnString.append(
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"<a title='修改' onclick='edit()' class='lrspace3' ><i class='icon-edit-sign color bigger-180'></i></a>");
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btnString.append(endStr);
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// 删除按钮
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btnString.append(startStr1 + str + ":del" + startStr2);
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btnString.append(
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"<a title='删除' onclick='del()' class='lrspace3' ><i class='icon-remove-sign color-red bigger-180'></i></a>");
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btnString.append(endStr);
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}
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return btnString.toString();
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}
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public static Integer ceshi(Integer a, Integer b) {
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Integer res = 0;
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res = (int) Math.floor(a / b);
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return res;
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}
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public static float getFloat(String valStr) {
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return getFloat(valStr, 0);
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}
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public static float getFloat(String valStr, int defaulVal) {
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float val = 0;
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try {
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val = Float.parseFloat(valStr);
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} catch (Exception e) {
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val = defaulVal;
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}
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return val;
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}
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/*
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* 将字符串编码成16进制数字,适用于所有字符（包括中文）
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*/
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public static String encode(String str) {
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// 根据默认编码获取字节数组
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byte[] bytes = str.getBytes();
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StringBuilder sb = new StringBuilder(bytes.length * 2);
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// 将字节数组中每个字节拆解成2位16进制整数
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for (int i = 0; i < bytes.length; i++) {
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sb.append(hexString.charAt((bytes[i] & 0xf0) >> 4));
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sb.append(hexString.charAt((bytes[i] & 0x0f) >> 0));
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}
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return sb.toString();
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}
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public static String decode(String bytes) {
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ByteArrayOutputStream baos = new ByteArrayOutputStream(bytes.length() / 2);
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// 将每2位16进制整数组装成一个字节
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for (int i = 0; i < bytes.length(); i += 2)
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baos.write((hexString.indexOf(bytes.charAt(i)) << 4 | hexString.indexOf(bytes.charAt(i + 1))));
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return new String(baos.toByteArray());
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}
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public static String fillPrefixZero(int v, int len) {
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String vStr = v + "";
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while (vStr.length() < len) {
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vStr = "0" + vStr;
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}
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return vStr;
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}
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public static boolean isEmpty(String str) {
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if (str == null || "".equals(str.trim()) || "undefined".equals(str.trim())) {
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return true;
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}
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return false;
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}
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/**
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* 判断字符串 不为空
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*/
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public static boolean isNotEmpty(String str) {
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return !isEmpty(str);
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}
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/**
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* 处理时间，获取编号
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*/
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public static String time2Code(String time) {
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if (isNotEmpty(time)) {
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time = time.replace("-", "").replace(" ", "").replace(":", "");
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}
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return time;
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}
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public static String formatMoneyData(float temp) {
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DecimalFormat df = new DecimalFormat("#0.00");// 构造方法的字符格式这里如果小数不足2位,会以0补足.
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String tmp = df.format(temp);
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return tmp;
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}
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public static float formatMoney2Data(float temp) {
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String tmp = formatMoneyData(temp);
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float t = getFloat(tmp);
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return t;
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}
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public static String formatData(float temp) {
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DecimalFormat df = new DecimalFormat("#0.000");// 构造方法的字符格式这里如果小数不足2位,会以0补足.
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String tmp = df.format(temp);
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return tmp;
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}
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public static float format2Data(float temp) {
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String tmp = formatData(temp);
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float t = getFloat(tmp);
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return t;
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}
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/**
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* 检查是否存在数据飘逸
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*/
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public static float disposeDrift(Float num) {
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String strNum = num.toString();
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String endStr = strNum.substring(strNum.indexOf(".") + 1);
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String startStr = strNum.substring(0, strNum.indexOf("."));
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if (endStr.indexOf("999") >= 0) {
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int start = endStr.indexOf("999");
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if (start == 0) {
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num = Float.parseFloat(startStr) + 1f;
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} else {
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String a = "0";
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String c = "";
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while (endStr.startsWith(a)) {
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a += "0";
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c += "0";
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}
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endStr = endStr.substring(0, start);
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endStr = c + (Integer.parseInt(endStr) + 1) + "";
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num = Float.parseFloat(startStr + "." + endStr);
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}
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} else if (endStr.indexOf("000") >= 0) {
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int start = endStr.indexOf("000");
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if (start == 0) {
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num = Float.parseFloat(startStr);
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} else {
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num = Float.parseFloat(strNum.substring(0, strNum.indexOf("000")));
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}
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}
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return num;
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}
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/**
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* java判断字符是否是全部由数字，小写字母，大写字母，特殊符号组成 正则表达式判断
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*
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* @param arr
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*/
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public static void judgeA(String arr) {
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// TODO Auto-generated method stub
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String str1 = "abcdfjijgiaj";
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String str2 = "0AOGVNDIJEIO";
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String str3 = "12345465870";
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String str4 = "@#$^^%^&*(";
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Pattern pattern1 = Pattern.compile("[a-z]*");
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Pattern pattern2 = Pattern.compile("[A-Z]*");
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Pattern pattern3 = Pattern.compile("[0-9]*");
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Pattern pattern4 = Pattern.compile("\\p{Punct}+");
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Matcher matcher1 = pattern1.matcher(str1);
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Matcher matcher2 = pattern2.matcher(str2);
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Matcher matcher3 = pattern3.matcher(str3);
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Matcher matcher4 = pattern4.matcher(str4);
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if (matcher1.matches()) {
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System.out.println("全是小写字母");
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} else {
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System.out.println("不全是小写字母");
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}
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if (matcher2.matches()) {
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System.out.println("全是大写字母");
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} else {
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System.out.println("不全是大写字母");
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}
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if (matcher3.matches()) {
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System.out.println("全是数字");
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} else {
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System.out.println("不全是数字");
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}
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if (matcher4.matches()) {
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System.out.println("全是特殊符号");
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} else {
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System.out.println("不全是特殊符号");
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}
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// 判断字符串是否全部由数字组成，java自带方法判断
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boolean flag = true;
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for (int i = str3.length() - 1; i >= 0; i--) {
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if (!Character.isDigit(str3.charAt(i))) {
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flag = false;
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}
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}
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if (flag) {
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System.out.println(str3 + "全部是数字");
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}
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}
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}
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