下面代码将报错,提示panic: runtime error: invalid memory address or nil pointer dereference

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resp, _ := http.Get(link.ImgUrl)
defer resp.Body.Close()
body, _ := ioutil.ReadAll(resp.Body)

正确的应是, defer resp.Body.Close() 应在 ioutil.ReadAll之后

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resp, _ := http.Get(link.ImgUrl)
body, _ := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()

菜鸟总结 0.0