go http

[asu126]

• http://www.jianshu.com/p/be3d9cdc680b
• https://studygolang.com/articles/4105

[asu126]

• request body 只能读一次 https://stackoverflow.com/questions/23070876/reading-body-of-http-request-without-modifying-request-state

  
  buf, _ := ioutil.ReadAll(r.Body)
  rdr1 := ioutil.NopCloser(bytes.NewBuffer(buf))
  rdr2 := ioutil.NopCloser(bytes.NewBuffer(buf))

doStuff(rdr1) r.Body = rdr2 // OK since rdr2 implements the io.ReadCloser interface

// Now the program can continue oblivious to the fact that // r.Body was ever touched.

[asu126]

import "strings"

startsWith := strings.HasPrefix("prefix", "pre") // true endsWith := strings.HasSuffix("suffix", "fix") // true