使用java把中文小写数字转化为阿拉伯数字
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使用java把中文小写数字转化为阿拉伯数字
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package com.test;/*** @author Administrator* @date 2018/6/8*/
public class SwitchNumber {public static void main(String[] args) {SwitchNumber modifyFileName = new SwitchNumber();int number = modifyFileName.getIntegerByNumberStr("六萬七千三百八十二");System.out.println(number);number = modifyFileName.getIntegerByNumberStr("四千零一");System.out.println(number);}/*** 支持到12位** @param numberStr 中文數字* @return int 數字*/public int getIntegerByNumberStr(String numberStr) {// 返回結果int sum = 0;// null或空串直接返回if (numberStr == null || ("").equals(numberStr)) {return sum;}// 過億的數字處理if (numberStr.indexOf("億") > 0) {String currentNumberStr = numberStr.substring(0, numberStr.indexOf("億"));int currentNumber = this.testA(currentNumberStr);sum += currentNumber * Math.pow(10, 8);numberStr = numberStr.substring(numberStr.indexOf("億") + 1);}// 過萬的數字處理if (numberStr.indexOf("萬") > 0) {String currentNumberStr = numberStr.substring(0, numberStr.indexOf("萬"));int currentNumber = this.testA(currentNumberStr);sum += currentNumber * Math.pow(10, 4);numberStr = numberStr.substring(numberStr.indexOf("萬") + 1);}// 小于萬的數字處理if (!("").equals(numberStr)) {int currentNumber = this.testA(numberStr);sum += currentNumber;}return sum;}/*** 把億、萬分開每4位一個單元,解析并獲取到數據* @param testNumber* @return*/public int testA(String testNumber) {// 返回結果int sum = 0;// null或空串直接返回if(testNumber == null || ("").equals(testNumber)){return sum;}// 獲取到千位數if (testNumber.indexOf("千") > 0) {String currentNumberStr = testNumber.substring(0, testNumber.indexOf("千"));sum += this.testB(currentNumberStr) * Math.pow(10, 3);testNumber = testNumber.substring(testNumber.indexOf("千") + 1);}// 獲取到百位數if (testNumber.indexOf("百") > 0) {String currentNumberStr = testNumber.substring(0, testNumber.indexOf("百"));sum += this.testB(currentNumberStr) * Math.pow(10, 2);testNumber = testNumber.substring(testNumber.indexOf("百") + 1);}// 對于特殊情況處理 比如10-19是個數字,十五轉化為一十五,然后再進行處理if (testNumber.indexOf("十") == 0) {testNumber = "一" + testNumber;}// 獲取到十位數if (testNumber.indexOf("十") > 0) {String currentNumberStr = testNumber.substring(0, testNumber.indexOf("十"));sum += this.testB(currentNumberStr) * Math.pow(10, 1);testNumber = testNumber.substring(testNumber.indexOf("十") + 1);}// 獲取到個位數if(!("").equals(testNumber)){sum += this.testB(testNumber.replaceAll("零",""));}return sum;}public int testB(String replaceNumber) {switch (replaceNumber) {case "一":return 1;case "二":return 2;case "三":return 3;case "四":return 4;case "五":return 5;case "六":return 6;case "七":return 7;case "八":return 8;case "九":return 9;case "零":return 0;default:return 0;}}}
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