1 import android.text.TextUtils; 2 3 import java.text.DecimalFormat; 4 import java.text.NumberFormat; 5 import java.text.ParseException; 6 import java.text.SimpleDateFormat; 7 import java.util.Calendar; 8 import java.util.GregorianCalendar; 9 import java.util.Hashtable; 10 import java.util.regex.Matcher; 11 import java.util.regex.Pattern; 12 13 public class StringUtils { 14 15 private StringUtils() { 16 /* cannot be instantiated */ 17 throw new UnsupportedOperationException("cannot be instantiated"); 18 } 19 20 /** 21 * 理财 22 *计算收益 23 * 产品利率 24 * 期数 25 * 本金 26 */ 27 public static <T, E, Z> double countGraduation(T rate, E productCycle, Z money) { 28 Double mRate; 29 Double mProductCycle; 30 Double mMoney; 31 try { 32 mRate = Double.parseDouble(rate + ""); 33 mProductCycle = Double.parseDouble(productCycle + ""); 34 mMoney = Double.parseDouble(money + ""); 35 } catch (Exception e) { 36 return 0.00; 37 } 38 39 Double a = Arith.mul(mMoney, mRate); 40 Double b = Arith.div(mProductCycle, 100); 41 Double c = Arith.div(b, 12); 42 Double d = Arith.mul(a, c); 43 // Double k = mMoney * mRate * mProductCycle/12/100; 44 Double k = Arith.round(d, 2); 45 46 return k; 47 } 48 49 /** 50 * 优选 51 *计算收益 52 * 产品利率 53 * 期数 54 * 本金 55 */ 56 public static <T, E, Z> double count(T rate, E productCycle, Z money) { 57 Double mRate; 58 Double mProductCycle; 59 Double mMoney; 60 try { 61 mRate = Double.parseDouble(rate + ""); 62 mProductCycle = Double.parseDouble(productCycle + ""); 63 mMoney = Double.parseDouble(money + ""); 64 } catch (Exception e) { 65 return 0.00; 66 } 67 68 Double a = Arith.div(mRate, 100); 69 Double b = Arith.div(a, 12); 70 Double c = Arith.add(1, b); 71 Double d = Math.pow(c, mProductCycle); 72 Double e = Arith.sub(d, 1); 73 Double f = Arith.mul(mMoney, b); 74 Double g = Arith.mul(f, d); 75 Double h = Arith.div(g, e); 76 Double i = Arith.mul(h, mProductCycle); 77 Double j = Arith.sub(i, mMoney); 78 Double k = Arith.round(j, 2); 79 80 return k; 81 } 82 /** 83 * 判断字符串是否为纯数字 84 * 85 * @param str 86 * @return 87 */ 88 public static boolean isNumeric(String str) { 89 Pattern pattern = Pattern.compile("[0-9]*"); 90 return pattern.matcher(str).matches(); 91 } 92 93 /** 94 * 判断是否为纯字母 95 * @param str 96 * @return 97 */ 98 public static boolean isAlphabet(String str) { 99 Pattern pattern = Pattern.compile("[a-zA-Z]"); 100 return pattern.matcher(str).matches(); 101 } 102 103 /** 104 * 判断是否为纯汉字 105 * @param str 106 * @return 107 */ 108 public static boolean isChineseCharacters(String str) { 109 Pattern pattern = Pattern.compile("[\u4e00-\u9fa5]"); 110 return pattern.matcher(str).matches(); 111 112 } 113 114 /** 115 * 判断是否为手机号 116 * 117 * @param mobiles 118 * @return 119 */ 120 public static boolean isPhone(String mobiles) { 121 String str = "^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1})|(17[0-9]{1})|(14[0-9]{1}))+\\d{8})$"; 122 Pattern p = Pattern.compile(str); 123 Matcher m = p.matcher(mobiles); 124 return m.matches(); 125 } 126 127 /** 128 * 判断密码是否符合生产密码的条件，不能是纯数字，不能输纯字母，数字加字母结合的6到16位的 129 * 130 * @param password 131 * 密码 132 */ 133 public static boolean isPassword(String password) { 134 Pattern p = Pattern 135 .compile("^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,20}$"); 136 Matcher m = p.matcher(password); 137 return m.matches(); 138 } 139 140 /** 141 * 去掉特殊字符 142 * 143 * @param str 144 * @return 145 */ 146 public static boolean isExcptional(String str) { 147 String regEx = "[`~!@#$%^&*()+=|{}':;',\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]"; 148 Pattern p = Pattern.compile(regEx); 149 Matcher m = p.matcher(str); 150 return m.matches(); 151 } 152 153 /** 154 * 设置模糊手机号码 155 * 156 * @param phone 157 * @return 158 */ 159 public static String setBlurryPhone(String phone) { 160 if (TextUtils.isEmpty(phone)) { 161 return ""; 162 } else { 163 int length = phone.length(); 164 String blurryPhone=null; 165 if (length>=11) { 166 blurryPhone=phone.substring(0, length-(length-3)) + "******"+ phone.substring((length-2), length); 167 }else{ 168 blurryPhone=""; 169 } 170 return blurryPhone; 171 } 172 } 173 174 /** 175 * 格式化钱(1000.208---->1,000.21) 176 * 177 * @param moneyStr 178 * 需要转换的金额 179 * @return 格式化后的金额 180 */ 181 public static String moneyFormat(String moneyStr) { 182 if (moneyStr == null || moneyStr.equals("")) { 183 return "0.00"; 184 } 185 double money = Double.valueOf(moneyStr); 186 NumberFormat nf = new DecimalFormat("#,##0.00"); 187 String testStr = nf.format(money); 188 return testStr; 189 } 190 //身份证号码验证：start 191 /** 192 * 功能：身份证的有效验证 193 * @param IDStr 身份证号 194 * @return 有效：返回"" 无效：返回String信息 195 * @throws 196 */ 197 public static String IDCardValidate(String IDStr) throws ParseException { 198 String errorInfo = "";// 记录错误信息 199 String[] ValCodeArr = { "1", "0", "x", "9", "8", "7", "6", "5", "4", 200 "3", "2" }; 201 String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", 202 "9", "10", "5", "8", "4", "2" }; 203 String Ai = ""; 204 // ================ 号码的长度 15位或18位 ================ 205 if (IDStr.length() != 15 && IDStr.length() != 18) { 206 errorInfo = "身份证号码长度应该为15位或18位。"; 207 return errorInfo; 208 } 209 // =======================(end)======================== 210 211 // ================ 数字 除最后以为都为数字 ================ 212 if (IDStr.length() == 18) { 213 Ai = IDStr.substring(0, 17); 214 } else if (IDStr.length() == 15) { 215 Ai = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15); 216 } 217 if (isNumeric(Ai) == false) { 218 errorInfo = "身份证15位号码都应为数字 ; 18位号码除最后一位外，都应为数字。"; 219 return errorInfo; 220 } 221 // =======================(end)======================== 222 223 // ================ 出生年月是否有效 ================ 224 String strYear = Ai.substring(6, 10);// 年份 225 String strMonth = Ai.substring(10, 12);// 月份 226 String strDay = Ai.substring(12, 14);// 月份 227 if (isDataFormat(strYear + "-" + strMonth + "-" + strDay) == false) { 228 errorInfo = "身份证生日无效。"; 229 return errorInfo; 230 } 231 GregorianCalendar gc = new GregorianCalendar(); 232 SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd"); 233 if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150 234 || (gc.getTime().getTime() - s.parse( 235 strYear + "-" + strMonth + "-" + strDay).getTime()) < 0) { 236 errorInfo = "身份证生日不在有效范围。"; 237 return errorInfo; 238 } 239 if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) { 240 errorInfo = "身份证月份无效"; 241 return errorInfo; 242 } 243 if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) { 244 errorInfo = "身份证日期无效"; 245 return errorInfo; 246 } 247 // =====================(end)===================== 248 249 // ================ 地区码时候有效 ================ 250 Hashtable h = GetAreaCode(); 251 if (h.get(Ai.substring(0, 2)) == null) { 252 errorInfo = "身份证地区编码错误。"; 253 return errorInfo; 254 } 255 // ============================================== 256 257 // ================ 判断最后一位的值 ================ 258 int TotalmulAiWi = 0; 259 for (int i = 0; i < 17; i++) { 260 TotalmulAiWi = TotalmulAiWi 261 + Integer.parseInt(String.valueOf(Ai.charAt(i))) 262 * Integer.parseInt(Wi[i]); 263 } 264 int modValue = TotalmulAiWi % 11; 265 String strVerifyCode = ValCodeArr[modValue]; 266 Ai = Ai + strVerifyCode; 267 268 if (IDStr.length() == 18) { 269 if (Ai.equals(IDStr) == false) { 270 errorInfo = "身份证无效，不是合法的身份证号码"; 271 return errorInfo; 272 } 273 } else { 274 return ""; 275 } 276 // =====================(end)===================== 277 return ""; 278 } 279 280 /** 281 * 功能：设置地区编码 282 * @return Hashtable 对象 283 */ 284 private static Hashtable GetAreaCode() { 285 Hashtable hashtable = new Hashtable(); 286 hashtable.put("11", "北京"); 287 hashtable.put("12", "天津"); 288 hashtable.put("13", "河北"); 289 hashtable.put("14", "山西"); 290 hashtable.put("15", "内蒙古"); 291 hashtable.put("21", "辽宁"); 292 hashtable.put("22", "吉林"); 293 hashtable.put("23", "黑龙江"); 294 hashtable.put("31", "上海"); 295 hashtable.put("32", "江苏"); 296 hashtable.put("33", "浙江"); 297 hashtable.put("34", "安徽"); 298 hashtable.put("35", "福建"); 299 hashtable.put("36", "江西"); 300 hashtable.put("37", "山东"); 301 hashtable.put("41", "河南"); 302 hashtable.put("42", "湖北"); 303 hashtable.put("43", "湖南"); 304 hashtable.put("44", "广东"); 305 hashtable.put("45", "广西"); 306 hashtable.put("46", "海南"); 307 hashtable.put("50", "重庆"); 308 hashtable.put("51", "四川"); 309 hashtable.put("52", "贵州"); 310 hashtable.put("53", "云南"); 311 hashtable.put("54", "西藏"); 312 hashtable.put("61", "陕西"); 313 hashtable.put("62", "甘肃"); 314 hashtable.put("63", "青海"); 315 hashtable.put("64", "宁夏"); 316 hashtable.put("65", "新疆"); 317 hashtable.put("71", "台湾"); 318 hashtable.put("81", "香港"); 319 hashtable.put("82", "澳门"); 320 hashtable.put("91", "国外"); 321 return hashtable; 322 } 323 /**验证日期字符串是否是YYYY-MM-DD格式 324 * @param str 325 * @return 326 */ 327 public static boolean isDataFormat(String str){ 328 boolean flag=false; 329 //String regxStr="[1-9][0-9]{3}-[0-1][0-2]-((0[1-9])|([12][0-9])|(3[01]))"; 330 String regxStr="^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$"; 331 Pattern pattern1=Pattern.compile(regxStr); 332 Matcher isNo=pattern1.matcher(str); 333 if(isNo.matches()){ 334 flag=true; 335 } 336 return flag; 337 } 338 }
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