google一下就能够找到。虽然说得很好，但是还是希望做过的人谈谈经验。请看看里面的链接。

https://www.google.com/search?q=%E5%BE%AE%E5%88%9B%E6%A4%8D%E7%89%99&tbm=isch&ved=2ahUKEwiIk9KgwPT2AhXqLTQIHZBbA9YQ2-cCegQIABAA&oq=%E5%BE%AE%E5%88%9B%E6%A4%8D%E7%89%99&gs_lcp=CgNpbWcQARgAMgUIABCABDIECAAQGDIECAAQGDIECAAQGDIECAAQGDIECAAQGDIECAAQGDIECAAQGDIECAAQGDIECAAQGDoHCCMQ7wMQJzoGCAAQDBAYOgcIABCABBAMUMMJWL8cYO01aABwAHgAgAFQiAGjA5IBATaYAQCgAQGqAQtnd3Mtd2l6LWltZ8ABAQ&sclient=img&ei=tctHYsjkB-rb0PEPkLeNsA0&bih=947&biw=1920#imgrc=_uZvpJWkjIOJZM