MySQL String函数等效于PHP ucwords()函数

本文介绍了MySQL String函数等效于PHP ucwords()函数的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

可能重复: MySQL-在现有表格中将每个单词的首字母大写

Possible Duplicate: MySQL - Capitalize first letter of each word, in existing table

是否存在与PHP ucwords() 函数等效的MySQL String函数.

Is there a MySQL String function equivalent to PHP ucwords() function.

最终目标是使用MySQL将字符串中每个单词的首字母大写.

The end goal is to use MySQL to uppercase the first letter of each word in a string.

示例.

-- The name field in the table holds "JOHN DOE" SELECT LOWER(name) FROM table

这将给我结果'john doe'

我希望结果为'John Doe'

推荐答案

本文向您展示了如何在MySQL中定义适当的情况:适当的情况.

This article shows you how to define a Proper Case in MySQL: Proper Case.

包含链接腐烂的情况:

DROP FUNCTION IF EXISTS proper; SET GLOBAL log_bin_trust_function_creators=TRUE; DELIMITER | CREATE FUNCTION proper( str VARCHAR(128) ) RETURNS VARCHAR(128) BEGIN DECLARE c CHAR(1); DECLARE s VARCHAR(128); DECLARE i INT DEFAULT 1; DECLARE bool INT DEFAULT 1; DECLARE punct CHAR(18) DEFAULT ' ()[]{},.-_\'!@;:?/'; -- David Rabby & Lenny Erickson added \' SET s = LCASE( str ); WHILE i <= LENGTH( str ) DO -- Jesse Palmer corrected from < to <= for last char BEGIN SET c = SUBSTRING( s, i, 1 ); IF LOCATE( c, punct ) > 0 THEN SET bool = 1; ELSEIF bool=1 THEN BEGIN IF c >= 'a' AND c <= 'z' THEN BEGIN SET s = CONCAT(LEFT(s,i-1),UCASE(c),SUBSTRING(s,i+1)); SET bool = 0; END; ELSEIF c >= '0' AND c <= '9' THEN SET bool = 0; END IF; END; END IF; SET i = i+1; END; END WHILE; RETURN s; END; | DELIMITER ; select proper("d'arcy"); +------------------+ | proper("d'arcy") | +------------------+ | D'Arcy | +------------------+