若使用语句
SELECT documentName, documentCode
FROM document_summary
WHERE documentCode IN ('0046A','0002A','0001A')
得出的结果为:
而我们需要的结果是按照0046A,0002A,0001A的顺序展示,可以使用Field函数排序:
SELECT documentName, documentCode
FROM document_summary
WHERE documentCode IN ('0046A','0002A','0001A')
ORDER BY FIELD(documentCode,'0046A','0002A','0001A')
结果为:
这个可以满足我们的要求了,mybatis中的语句如下:
<select id="selectDocName" resultType="Documents" parameterType="DocQueryParam">
SELECT documentName, documentCode
FROM document_summary
WHERE documentCode IN
<foreach item="item" index="index" collection="strList" open="(" separator="," close=")">
#{item}
</foreach>
ORDER BY field(
documentCode,
<foreach item="item" collection="strList" separator="," >
#{item}
</foreach>
)
</select>