仿QQ输入法诗人模式格式化字符串

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仿QQ输入法-诗人模式-格式化字符串

直接上代码吧，没啥好说的，

关键：如何计算出分成列，每列的高度是多少

package ;import android.content.Context;import com.alibaba.fastjson.JSON;import java.util.ArrayList;
import java.util.List;/*** createTime: 2020/3/19.11:26* updateTime: 2020/3/19.11:26* author: singleMan.* desc: 诗人模式格式化字符串*/
public class BardFormatUtil {private static final int MAX_ROW_LENGTH = 7;//普通模式下一列最大的高度public static String format(Context context, String input){if(input.contains("　")){return input;}input = input.replace("\n", "").trim();String oneSymbolStr = context.getString(R.string.a4);StringBuilder sb =new StringBuilder();List<List<String>> lists = new ArrayList<>();//如果输入的是带有标准标点符号的，优先按照标点符号分组if(hasSymbol(input) && !hasConsecutiveSymbol(input)){List<String> bdSplit = splitBySymbol(input);for(String s : bdSplit){List<String> item = new ArrayList<>();for(char c : s.toCharArray()){item.add(String.valueOf(c));}lists.add(item);}}else {char[] chars = input.toCharArray();int length = chars.length;List<String> mList = new ArrayList<>();for(char c : chars){mList.add(String.valueOf(c));}//int x = smartCompute(length);while (Math.ceil(length / x) > MAX_ROW_LENGTH){x += smartCompute(Math.ceil(length / x));}System.out.println("Input:"+input+"分："+x);List<List<String>> list = mSubList(mList, x);lists.addAll(list);}int maxLength = lists.get(0).size();for (int i = 0; i < lists.size(); i++){if (maxLength < lists.get(i).size()){maxLength = lists.get(i).size();}}for(int a=0;a < maxLength; a++){for(int i = lists.size()-1; i>=0; i--){List<String> zu = lists.get(i);if(a < zu.size()){String s = zu.get(a);switch (hasSymbolCount(s.charAt(0))){case 1:sb.append(oneSymbolStr);sb.append(oneSymbolStr);sb.append(s);sb.append(oneSymbolStr);break;case 2:sb.append(oneSymbolStr);sb.append(s);sb.append(oneSymbolStr);break;case 4:sb.append(s);break;}if(i > 0) {sb.append("　");}}else {sb.append("　"+"　");}}if(a < maxLength -1) {sb.append("\n");}}System.out.println("结果：\n"+sb.toString());System.out.println("---------------------------");return sb.toString();}//private static int smartCompute(double totalLength){if(totalLength <= 5d){return 1;}if(totalLength % 5d == 0d){return (int) Math.ceil(totalLength / 5d);}if(totalLength % 7d == 0d){return (int) Math.ceil(totalLength / 7d);}return 2;}/*** 根据分n组截取字符串到list* @param source* @param n     分成几组* @return*/private static List<List<String>> mSubList(List<String> source, int n) {List<List<String>> result = new ArrayList<List<String>>();int oneSize = (int) Math.ceil(Double.valueOf(source.size()) / Double.valueOf(n));System.out.println("一个："+oneSize);for(int i = 0;i < n; i++){int start = i * oneSize;int end = (i+1) * oneSize;if(end <= source.size()){result.add(source.subList(start,end));}else {result.add(source.subList(start,source.size()));}}return result;}/*** 判断标点符号所占的宽度  单位：1/4 空格* @param c* @return*/private static int hasSymbolCount(char c){if (Character.getType(c) == Character.OTHER_LETTER || isChinesePunctuation(c)) {return 4;} else if (Character.isDigit(c)) {return 2;} else if (Character.isLetter(c)) {return 2;} else {return 1;}}/*** 是否有两个相邻的标点符号* @param str* @return*/private static boolean hasConsecutiveSymbol(String str){List<Integer> indexList = takeOutSymbol(str);for(int i = 0;i < indexList.size()-1;++i){System.out.println("标点：："+(indexList.get(i+1) - indexList.get(i)));if(indexList.get(i+1) - indexList.get(i) == 1){System.out.println("连续标点");return true;}}return false;}/*** 获取到所有的标点的字符* @param str* @return*/private static List<Integer> takeOutSymbol(String str){List<Integer> list = new ArrayList<>();int index = 0;for(char c : str.toCharArray()){if(!(Character.getType(c) == Character.OTHER_LETTER)&& !(Character.isDigit(c))&& !(Character.isLetter(c))){list.add(index+1);}index++;}if(!list.contains(str.length())){list.add(str.length());}System.out.println(JSON.toJSONString(list));return list;}// 判断char 是否为中文字符private static boolean isChinesePunctuation(char c) {Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);if (ub == Character.UnicodeBlock.GENERAL_PUNCTUATION|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_FORMS|| ub == Character.UnicodeBlock.VERTICAL_FORMS) {return true;} else {return false;}}/*** 判断有没有标点符号* @param s* @return*/private static boolean hasSymbol(String s) {boolean b = false;String tmp = s;tmp = tmp.replaceAll("\\p{P}", "");if (s.length() != tmp.length()) {b = true;}return b;}/*** 根据标点符号截取诗句* @param str* @return*/private static List<String> splitBySymbol(String str){StringBuilder sb = new StringBuilder(str);List<Integer> splitSymbolList = takeOutSymbol(str);List<String> list = new ArrayList<>();if(splitSymbolList.size() == 0){list.add(str);return list;}int def = 0;for(int index : splitSymbolList){int indexStart = def;int indexEnd = index;def = indexEnd;String substring = sb.substring(indexStart, indexEnd);System.out.println("add:"+substring);list.add(substring);}return list;}}

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