add PinyinUtil

hutool-extra/src/test/java/cn/hutool/extra/pinyin/PinyinUtilTest.java

@@ -0,0 +1,19 @@
+package cn.hutool.extra.pinyin;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class PinyinUtilTest {
+
+	@Test
+	public void toPinyinTest(){
+		final String pinyin = PinyinUtil.toPinyin("你好", false);
+		Assert.assertEquals("ni hao", pinyin);
+	}
+
+	@Test
+	public void toPinyinUpperCaseTest(){
+		final String pinyin = PinyinUtil.toPinyin("你好怡", true);
+		Assert.assertEquals("NI HAO YI", pinyin);
+	}
+}