软工作业PSP与单元测试训练
实现模块判断传入的身份证号码的正确性
任务说明(二选一):
一、实现模块判断传入的身份证号码的正确性;(选择)
二、实现模块判断传入的电子邮箱账号的正确性;
package text; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.Scanner; public class IdcardValidator { private static String cityCode[] = {"11", "12", "13", "14", "15", "21", "22", "23", "31", "32", "33", "34", "35", "36", "37", "41", "42", "43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62", "63", "64", "65", "71", "81", "82", "91"}; private static int power[] = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}; /** * 验证所有的身份证的合法性 * * @param idcard 身份证 * @return 合法返回true,否则返回false */ public static boolean isValidatedAllIdcard(String idcard) { if (idcard == null || "".equals(idcard)) { return false; } if (idcard.length() == 15) { return validate15IDCard(idcard); } return validate18Idcard(idcard); } public static boolean validate18Idcard(String idcard) { if (idcard == null) { return false; } // 非18位为假 if (idcard.length() != 18) { return false; } // 获取前17位 String idcard17 = idcard.substring(0, 17); // 前17位全部为数字 if (!isDigital(idcard17)) { return false; } String provinceid = idcard.substring(0, 2); // 校验省份 if (!checkProvinceid(provinceid)) { return false; } // 校验出生日期 String birthday = idcard.substring(6, 14); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); try { Date birthDate = sdf.parse(birthday); String tmpDate = sdf.format(birthDate); if (!tmpDate.equals(birthday)) {// 出生年月日不正确 return false; } } catch (ParseException e1) { return false; } // 获取第18位 String idcard18Code = idcard.substring(17, 18); char c[] = idcard17.toCharArray(); int bit[] = converCharToInt(c); int sum17 = 0; sum17 = getPowerSum(bit); // 将和值与11取模得到余数进行校验码判断 String checkCode = getCheckCodeBySum(sum17); if (null == checkCode) { return false; } // 将身份证的第18位与算出来的校码进行匹配,不相等就为假 if (!idcard18Code.equalsIgnoreCase(checkCode)) { return false; } return true; } public static boolean validate15IDCard(String idcard) { if (idcard == null) { return false; } // 非15位为假 if (idcard.length() != 15) { return false; } // 15全部为数字 if (!isDigital(idcard)) { return false; } String provinceid = idcard.substring(0, 2); // 校验省份 if (!checkProvinceid(provinceid)) { return false; } String birthday = idcard.substring(6, 12); SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd"); try { Date birthDate = sdf.parse(birthday); String tmpDate = sdf.format(birthDate); if (!tmpDate.equals(birthday)) {// 身份证日期错误 return false; } } catch (ParseException e1) { return false; } return true; } public static String convertIdcarBy15bit(String idcard) { if (idcard == null) { return null; } // 非15位身份证 if (idcard.length() != 15) { return null; } // 15全部为数字 if (!isDigital(idcard)) { return null; } String provinceid = idcard.substring(0, 2); // 校验省份 if (!checkProvinceid(provinceid)) { return null; } String birthday = idcard.substring(6, 12); SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd"); Date birthdate = null; try { birthdate = sdf.parse(birthday); String tmpDate = sdf.format(birthdate); if (!tmpDate.equals(birthday)) {// 身份证日期错误 return null; } } catch (ParseException e1) { return null; } Calendar cday = Calendar.getInstance(); cday.setTime(birthdate); String year = String.valueOf(cday.get(Calendar.YEAR)); String idcard17 = idcard.substring(0, 6) + year + idcard.substring(8); char c[] = idcard17.toCharArray(); String checkCode = ""; // 将字符数组转为整型数组 int bit[] = converCharToInt(c); int sum17 = 0; sum17 = getPowerSum(bit); // 获取和值与11取模得到余数进行校验码 checkCode = getCheckCodeBySum(sum17); // 获取不到校验位 if (null == checkCode) { return null; } // 将前17位与第18位校验码拼接 idcard17 += checkCode; return idcard17; } private static boolean checkProvinceid(String provinceid) { for (String id : cityCode) { if (id.equals(provinceid)) { return true; } } return false; } private static boolean isDigital(String str) { return str.matches("^[0-9]*$"); } private static int getPowerSum(int[] bit) { int sum = 0; if (power.length != bit.length) { return sum; } for (int i = 0; i < bit.length; i++) { for (int j = 0; j < power.length; j++) { if (i == j) { sum = sum + bit[i] * power[j]; } } } return sum; } /** * 将和值与11取模得到余数进行校验码判断 */ private static String getCheckCodeBySum(int sum17) { String checkCode = null; switch (sum17 % 11) { case 10: checkCode = "2"; break; case 9: checkCode = "3"; break; case 8: checkCode = "4"; break; case 7: checkCode = "5"; break; case 6: checkCode = "6"; break; case 5: checkCode = "7"; break; case 4: checkCode = "8"; break; case 3: checkCode = "9"; break; case 2: checkCode = "x"; break; case 1: checkCode = "0"; break; case 0: checkCode = "1"; break; } return checkCode; } /** * 将字符数组转为整型数组 * */ private static int[] converCharToInt(char[] c) throws NumberFormatException { int[] a = new int[c.length]; int k = 0; for (char temp : c) { a[k++] = Integer.parseInt(String.valueOf(temp)); } return a; } public static void main(String[] args) throws Exception { System.out.println("请输入身份证号码:"); Scanner sc = new Scanner(System.in); String idcard = sc.next(); switch (idcard.length()) { case 18: // 18位身份证 System.out.println(isValidatedAllIdcard(idcard)); break; case 15: // 15位身份证 System.out.println(isValidatedAllIdcard(idcard)); // 15位身份证转18位身份证 System.out.println(convertIdcarBy15bit(idcard)); break; default: System.out.println(idcard + "不是有效身份证号码"); break; } } }
需要按PSP流程进行工作量估算,填写任务清单工作量估算表。
PSP阶段 |
时间估算(小时) |
实际实际(小时) |
|
计划 |
估计每个阶段的时间成本 |
0.7 |
0.75 |
开发 |
需求分析 |
0.3 |
0.4 |
系统设计 |
0.5 |
0.6 |
|
设计复审 |
0.3 |
0.2 |
|
代码实现 |
1.5 |
2.0 |
|
代码复审 |
0.7 |
0.6 |
|
测试 |
0.3 |
0.2 |
|
报告 |
测试报告 |
0.6 |
0.7 |
总结 |
0.6 |
0.67 |