小编CJ *_*ang的帖子

以下适用于创建单个用户：

curl -X POST  --anyauth -u admin:admin --header "Content-Type:application/json" \
  -d '{"user-name":"joe",
       "password": "cool",
       "role": [ "rest-reader", "rest-writer" ]
      }' \
  http://localhost:8002/manage/v2/users

但是在 for 循环中创建多个用户时失败了（一次一个）

for i in john frank bob
do
  curl -X POST  --anyauth -u admin:admin --header "Content-Type:application/json" \
  -d '{"user-name":"$i",
       "password": "$i",
       "role": [ "rest-reader", "rest-writer" ]
      }' \
  http://localhost:8002/manage/v2/users
done

我哪里做错了？