PHP - MYSQL搜索引擎 - 匹配搜索框中单词的特定字母

问题描述：

I am trying to make search engine to match some specific letters from the end of the word I input in a search box, or the first few letters in the the beginning of a word, that I input in the search box.

So, I have a search engine, a MySql database containing a simple table ID and WORDS. When I hit search button, I want the result to display me the words in WORDS column, matching the end of the word I am searching. I want to be able to choose how many letters to match my search from some radio buttons or drop-down (1, 2, 3, 4) last letters.

我试图让搜索引擎匹配我在搜索框中输入的单词末尾的某些特定字母，或者我在搜索框中输入的单词开头的前几个字母。 p>

所以，我有一个搜索引擎，一个包含简单表ID的MySql数据库和话。当我点击搜索按钮时，我希望结果显示WORDS列中的单词，匹配我正在搜索的单词的结尾。我希望能够从一些单选按钮或下拉（1,2,3,4）最后一个字母中选择与我的搜索匹配的字母数。 p> div>

答

You can do this with a database query using MySQL's 'LIKE' operator

SELECT words FROM your_table WHERE word LIKE 'foo%'

for words beginning with 'foo' or

SELECT words FROM your_table WHERE word LIKE '%foo'

for ending with 'foo'. The % is a wildcard, matching any other characters in the word.

Use PHP's substr function to make the string the right length and then add the % at the beginning or end depending on whether you want words ending or beginning with the characters.

PHP - MYSQL搜索引擎 - 匹配搜索框中单词的特定字母

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