mysql根据汉字首字母排序的方法并按字母分组

SELECT name FROM `user` ORDER BY CONVERT( name USING gbk ) ASC

直接就是按汉字首个字的首字母排序，自动都会分组了啊。

如果是oracle 的话，创建下面的函数，调用函数做视图可以实现你要的效果

CREATE OR REPLACE FUNCTION F_TRANS_PINYIN_CAPITAL(P_NAME IN VARCHAR2) RETURN VARCHAR2 AS

V_COMPARE VARCHAR2(100)

V_RETURN VARCHAR2(4000)

FUNCTION F_NLSSORT(P_WORD IN VARCHAR2) RETURN VARCHAR2 AS

BEGIN

RETURN NLSSORT(P_WORD, 'NLS_SORT=SCHINESE_PINYIN_M')

END

BEGIN

FOR I IN 1..LENGTH(P_NAME) LOOP

V_COMPARE := F_NLSSORT(SUBSTR(P_NAME, I, 1))

IF V_COMPARE >= F_NLSSORT(' 吖 ') AND V_COMPARE <= F_NLSSORT('骜 ') THEN

V_RETURN := V_RETURN || 'a'

ELSIF V_COMPARE >= F_NLSSORT('八 ') AND V_COMPARE <= F_NLSSORT('簿 ') THEN

V_RETURN := V_RETURN || 'b'

ELSIF V_COMPARE >= F_NLSSORT('嚓 ') AND V_COMPARE <= F_NLSSORT('错 ') THEN

V_RETURN := V_RETURN || 'c'

ELSIF V_COMPARE >= F_NLSSORT('咑 ') AND V_COMPARE <= F_NLSSORT('鵽 ') THEN

V_RETURN := V_RETURN || 'd'

ELSIF V_COMPARE >= F_NLSSORT('妸 ') AND V_COMPARE <= F_NLSSORT('樲 ') THEN

V_RETURN := V_RETURN || 'e'

ELSIF V_COMPARE >= F_NLSSORT('发 ') AND V_COMPARE <= F_NLSSORT('猤 ') THEN

V_RETURN := V_RETURN || 'f'

ELSIF V_COMPARE >= F_NLSSORT('旮 ') AND V_COMPARE <= F_NLSSORT('腂 ') THEN

V_RETURN := V_RETURN || 'g'

ELSIF V_COMPARE >= F_NLSSORT('妎 ') AND V_COMPARE <= F_NLSSORT('夻 ') THEN

V_RETURN := V_RETURN || 'h'

ELSIF V_COMPARE >= F_NLSSORT('丌 ') AND V_COMPARE <= F_NLSSORT('攈 ') THEN

V_RETURN := V_RETURN || 'j'

ELSIF V_COMPARE >= F_NLSSORT('咔 ') AND V_COMPARE <= F_NLSSORT('穒 ') THEN

V_RETURN := V_RETURN || 'k'

ELSIF V_COMPARE >= F_NLSSORT('垃 ') AND V_COMPARE <= F_NLSSORT('擽 ') THEN

V_RETURN := V_RETURN || 'l'

ELSIF V_COMPARE >= F_NLSSORT('呒 ') AND V_COMPARE <= F_NLSSORT('椧 ') THEN

V_RETURN := V_RETURN || 'm'

ELSIF V_COMPARE >= F_NLSSORT('拏 ') AND V_COMPARE <= F_NLSSORT('疟 ') THEN

V_RETURN := V_RETURN || 'n'

ELSIF V_COMPARE >= F_NLSSORT('筽 ') AND V_COMPARE <= F_NLSSORT('沤 ') THEN

V_RETURN := V_RETURN || 'o'

ELSIF V_COMPARE >= F_NLSSORT('妑 ') AND V_COMPARE <= F_NLSSORT('曝 ') THEN

V_RETURN := V_RETURN || 'p'

ELSIF V_COMPARE >= F_NLSSORT('七 ') AND V_COMPARE <= F_NLSSORT('裠 ') THEN

V_RETURN := V_RETURN || 'q'

ELSIF V_COMPARE >= F_NLSSORT('亽 ') AND V_COMPARE <= F_NLSSORT('鶸 ') THEN

V_RETURN := V_RETURN || 'r'

ELSIF V_COMPARE >= F_NLSSORT('仨 ') AND V_COMPARE <= F_NLSSORT('蜶 ') THEN

V_RETURN := V_RETURN || 's'

ELSIF V_COMPARE >= F_NLSSORT('侤 ') AND V_COMPARE <= F_NLSSORT('箨 ') THEN

V_RETURN := V_RETURN || 't'

ELSIF V_COMPARE >= F_NLSSORT('屲 ') AND V_COMPARE <= F_NLSSORT('鹜 ') THEN

V_RETURN := V_RETURN || 'w'

ELSIF V_COMPARE >= F_NLSSORT('夕 ') AND V_COMPARE <= F_NLSSORT('鑂 ') THEN

V_RETURN := V_RETURN || 'x'

ELSIF V_COMPARE >= F_NLSSORT('丫 ') AND V_COMPARE <= F_NLSSORT('韵 ') THEN

V_RETURN := V_RETURN || 'y'

ELSIF V_COMPARE >= F_NLSSORT('帀 ') AND V_COMPARE <= F_NLSSORT('咗 ') THEN

V_RETURN := V_RETURN || 'z'

END IF

END LOOP

RETURN V_RETURN

END

SELECT name FROM `user` ORDER BY CONVERT( name USING gbk ) ASC

直接就是按汉字首个字的首字母排序，自动都会分组了啊。

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