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来源一：比特网 来源二：东方锐智

import java.io.*;//导入操作要用到的类

public class main {

public static void main(String args[]) {

File file = new File("c:/test.txt");// 源文件位置

FileReader fr;

try {

fr = new FileReader(file);

BufferedReader in = new BufferedReader(fr);// 包装文件输入流，可整行读取

String line;

try {

while ((line = in.readLine()) != null) {

String a = pinyin(line);

int shengdiaoLetter = Integer.parseInt(a.substring(

a.length() - 1, a.length()));

a = a.substring(0, a.length() - 1) + " "

+ a.substring(shengdiaoLetter, shengdiaoLetter + 1);

System.out.println(a);

}

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}// 创建文件输入流

}

private static String pinyin(String input) {

int position = 0;

int onlyaeiou = 0;

input = input.toLowerCase();

// 单个韵母不必说。 (单个的韵母，当然就标它上面了)

if (input.contains("a")) {

onlyaeiou++;

}

if (input.contains("e")) {

onlyaeiou++;

}

if (input.contains("i")) {

onlyaeiou++;

}

if (input.contains("o")) {

onlyaeiou++;

}

if (input.contains("u")) {

onlyaeiou++;

}

if (input.contains("v")) {

onlyaeiou++;

}

if (onlyaeiou == 1) {

if (input.contains("a")) {

position = input.indexOf("a");

}

if (input.contains("e")) {

position = input.indexOf("e");

}

if (input.contains("i")) {

position = input.indexOf("i");

}

if (input.contains("o")) {

position = input.indexOf("o");

}

if (input.contains("u")) {

position = input.indexOf("u");

}

if (input.contains("v")) {

position = input.indexOf("v");

}

return input + position;

}

if (input.contains("a")) {

position = input.indexOf("a");

return input + position;

}

// 没有a母找o e ,

else if (input.contains("o")) {

position = input.indexOf("o");

return input + position;

} else if (input.contains("e")) {

position = input.indexOf("e");

return input + position;

}

// iu 并列标在后，

if (input.contains("iu")) {

position = input.indexOf("iu") + 1;

return input + position;

}

if (input.contains("a")) {

position = input.indexOf("a");

return input + position;

}

if (input.contains("e")) {

position = input.indexOf("e");

return input + position;

}

if (input.contains("i")) {

position = input.indexOf("i");

return input + position;

}

if (input.contains("o")) {

position = input.indexOf("o");

return input + position;

}

if (input.contains("u")) {

position = input.indexOf("u");

return input + position;

}

if (input.contains("v")) {

position = input.indexOf("v");

return input + position;

}

return input;

}

}