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app/src/main/java/com/ckkj/water/utils/Cn2Spell.java

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+package com.ckkj.water.utils;
+
+import net.sourceforge.pinyin4j.PinyinHelper;
+import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
+import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
+import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
+
+/**
+ * 汉字转换位汉语拼音，英文字符不变 
+ */  
+public class Cn2Spell {  
+  
+    public static StringBuffer sb = new StringBuffer();  
+  
+    /** 
+     * 获取汉字字符串的首字母，英文字符不变 
+     * 例如：阿飞→af 
+     */  
+    public static String getPinYinHeadChar(String chines) {  
+        sb.setLength(0);  
+        char[] chars = chines.toCharArray();  
+        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
+        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
+        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
+        for (int i = 0; i < chars.length; i++) {  
+            if (chars[i] > 128) {  
+                try {  
+                    sb.append(PinyinHelper.toHanyuPinyinStringArray(chars[i], defaultFormat)[0].charAt(0));
+                } catch (Exception e) {  
+                    e.printStackTrace();  
+                }  
+            } else {  
+                sb.append(chars[i]);  
+            }  
+        }  
+        return sb.toString();  
+    }  
+  
+    /** 
+     * 获取汉字字符串的第一个字母 
+     */  
+    public static String getPinYinFirstLetter(String str) {  
+        sb.setLength(0);  
+        char c = str.charAt(0);  
+        String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(c);  
+        if (pinyinArray != null) {  
+            sb.append(pinyinArray[0].charAt(0));  
+        } else {  
+            sb.append(c);  
+        }  
+        return sb.toString();  
+    }  
+  
+    /** 
+     * 获取汉字字符串的汉语拼音，英文字符不变 
+     */  
+    public static String getPinYin(String chines) {  
+        sb.setLength(0);  
+        char[] nameChar = chines.toCharArray();  
+        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();  
+        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);  
+        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);  
+        for (int i = 0; i < nameChar.length; i++) {  
+            if (nameChar[i] > 128) {  
+                try {  
+                    sb.append(PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat)[0]);  
+                } catch (Exception e) {  
+                    e.printStackTrace();  
+                }  
+            } else {  
+                sb.append(nameChar[i]);  
+            }  
+        }  
+        return sb.toString();  
+    }  
+  
+}