UPDATE 表名 SET 字段=REPLACE(字段名,'被替换内容','要替换成的内容')
例如:
use hctv_15;  库

use hc_application; 表

update hc_application set icon_focus = replace(icon_focus,'192.168.1.2','localhost') where icon_focus like '%192.168.1.2%'

update hc_application set icon_focus = replace(icon_focus,'192.168.1.2','localhost'),icon = replace(icon,'192.168.1.2','localhost')