工作中用到,写三种用法吧,第四种为大小写匹配查询
1.
sql中字符串拼接
SELECT *
FROM tableName WHERE name LIKE CONCAT(CONCAT('%', #{text}),
'%');
2. 使用 ${...} 代替
#{...}
SELECT *
FROM tableName WHERE name LIKE '%${text}%';
3.
程序中拼接
Java
// String
searchText = "%" + text + "%";
String
searchText = new
StringBuilder("%").append(text).append("%").toString();
parameterMap.put("text", searchText);
SqlMap.xml
SELECT *
FROM tableName WHERE name LIKE #{text};
4.
大小写匹配查询
SELECT
* FROM TABLENAME WHERE
UPPER(SUBSYSTEM) LIKE '%' || UPPER('jz') || '%'
或者
SELECT
* FROM
TABLENAME WHERE LOWER(SUBSYSTEM) LIKE '%' ||
LOWER('jz') || '%'
原帖地址:http://blog.csdn.net/luqin1988/article/details/7865643
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