密码复杂度要求：
大写字母、小写字母、数字、特殊字符，四项中至少包含三项。
import org.junit.Test;import org.springframework.util.StringUtils;import java.util.ArrayList;import java.util.Arrays;import java.util.List;/*** @Author TeacherFu* @Version 1.0*/public class PasswordTest {/*** 1.全部包含：大写、小写、数字、特殊字符；* 2.无大写：小写、数字、特殊字符；* 3.无小写：大写、数字、特殊字符；* 4.无数字：大写、小写、特殊字符；* 5.无特殊字符：大写、小写、数字；*/@Testpublic void complexTest(){List<String> list = Arrays.asList(new String[]{//全包含"aBcd12@","aB2@dfgh","aB2_dfgh","123Abc_","_123Abc","~123Abc",//无大写"abcd12@","!abcd12","(abcd12",")abcd12","{abcd12","}abcd12","[abcd12","]abcd12","|abcd12","\\abcd12","\"abcd12","'abcd12",":abcd12","?abcd12","<abcd12",">abcd12","~abcd12","3~bcd12","F~bcd12",//无小写"ABCD12@","!ABCD12","!AB12333",//无数字"aBcd_@","!Abcd",//无特殊字符"abCd12","abcD12","12345678","abcdefgh","ABCDEFGH","abcd1234","ABCD1234",//无特殊字符"aBcd1234",//无数字"abcdEfgh!","~!@#$%^&*()_+{}:'?<>","abcd!@#$","1234!@#$","",null});List<String> matches = new ArrayList<String>();for(String word : list){//if(isComplexityMatches(word)) {matches.add(word);}}System.out.println(Arrays.toString(matches.toArray()));List<String> matches2 = new ArrayList<String>();for(String word : list){//if(isComplexityMatches2(word)) {matches2.add(word);}}System.out.println(Arrays.toString(matches2.toArray()));List<String> matches3 = new ArrayList<String>();for(String word : list){//if(isComplexityMatches3(word,5,6)) {matches3.add(word);}}System.out.println(Arrays.toString(matches3.toArray()));}/*** 复杂度要求：* 大写、小写、数字、特殊字符，需要包含其中至少三项** @param content* @return*/private boolean isComplexityMatches(String content){if(!StringUtils.hasLength(content)){return false;}//1.全部包含：大写、小写、数字、特殊字符；String regex1 = "(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[\\W_])^.*$";//2.无大写：小写、数字、特殊字符；String regex2 = "(?=.*[a-z])(?=.*[0-9])(?=.*[\\W_])^.*$";//3.无小写：大写、数字、特殊字符；String regex3 = "(?=.*[A-Z])(?=.*[0-9])(?=.*[\\W_])^.*$";//4.无数字：大写、小写、特殊字符；String regex4 = "(?=.*[A-Z])(?=.*[a-z])(?=.*[\\W_])^.*$";//5.无特殊字符：大写、小写、数字；String regex5 = "(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])^.*$";String regex = "(" + regex1 + ")|(" + regex2 + ")|(" + regex3 + ")|(" + regex4 + ")|(" + regex5 + ")";return content.matches(regex);}private boolean isComplexityMatches2(String content){if(!StringUtils.hasLength(content)){return false;}//String regex = "^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_!@#$%^&*`~()-+=]+$)(?![a-z0-9]+$)(?![a-z\\W_!@#$%^&*`~()-+=]+$)(?![0-9\\W_!@#$%^&*`~()-+=]+$)[a-zA-Z0-9\\W_!@#$%^&*`~()-+=]{8,30}$";//String regex = "^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)[a-zA-Z0-9\\W_]{8,30}$";//String regex = "^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)[a-zA-Z0-9\\W_]{5,30}$";//String regex = "^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)[a-zA-Z0-9\\W_]{5,}$";String regex = "^(?![A-Za-z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)[A-Za-z0-9\\W_]{5,}$";//ok//String regex = "(?![A-Za-z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)^[A-Za-z0-9\\W_]{5,}$";//ok//String regex = "^[A-Za-z0-9\\W_]{5,}$(?![A-Za-z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)";//错误的模式，测试结果不正确（此模式匹配的是：大写、小写、数字、特殊字符等四项必须全部包含）String regex2 = "^(?![A-Za-z0-9]+$)(?![a-z0-9\\W]+$)(?![A-Za-z\\W]+$)(?![A-Z0-9\\W]+$)[a-zA-Z0-9\\W]{5,30}$";return content.matches(regex);//return content.matches(regex2);}private boolean isComplexityMatches3(String content,Integer minLength,Integer maxLength){if(!StringUtils.hasLength(content)){return false;}if(minLength != null && maxLength != null && minLength > maxLength){System.out.println("参数非法：最小长度不能大于最大长度。");return false;}if(minLength == null && maxLength != null && maxLength < 0){System.out.println("参数非法：最大长度不能小于0。");return false;}String length = "";if(minLength == null || minLength < 1){length = "{0,";}else{length = "{" + minLength + ",";}if(maxLength == null){length = length + "}";}else {length = length + maxLength + "}";}//String regex = "^(?![A-Za-z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)[A-Za-z0-9\\W_]{5,}$";//okString regex = "^(?![A-Za-z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_]+$)(?![a-z0-9]+$)(?![a-z\\W_]+$)(?![0-9\\W_]+$)[A-Za-z0-9\\W_]" + length + "$";return content.matches(regex);}}
