- 具体就是将字典表左联两次，起不同别名。b，c
SELECT
b.name as "区",c.name as "街道",a.*
FROM
tbl_xx a
LEFT JOIN dic_zonecode b ON a.district = b.code
LEFT JOIN dic_zonecode c ON a.street = c.code
SELECT
b.name as "区",c.name as "街道",a.*
FROM
tbl_xx a
LEFT JOIN dic_zonecode b ON a.district = b.code
LEFT JOIN dic_zonecode c ON a.street = c.code
道可道，非常道；名可名，非常名。 无名，天地之始，有名，万物之母。 故常无欲，以观其妙，常有欲，以观其徼。 此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。