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老师我想问下，http.Get()请求回来的数据问题

来源：18-9 使用连接池链接爬虫集群

qq_自_3

2021-03-30

resp, err := http.Get(url)
		if err != nil {
			fmt.Println(123)
			panic(err)
		}
		bytes, err := ioutil.ReadAll(resp.Body)
		if err != nil {
			panic(err)
		}
		// 转化为字符串
		var str  = string(bytes[:])
		fmt.Println(str)
		fmt.Printf("%T", bytes)
		fmt.Printf("%T", str)

我想要遍历去取里面的数据，发现只有转为字符串才能看到我想要的数据，如果不转的话它就是[]byte，是一堆数字，所以我只能转字符串才能看到我想要的数据，但是我要怎么循环遍历去取转换后的字符串数据呢？我想要循环去取var str = string(bytes[:]) 这个str的数据，如果在php中的话，是弄成数组的形式再去取的

可以在https://www.json.cn/这个网址看到，图片如下。但它在go中是一个字符串，我无法取里面的某个字段数据
图片描述

打印的数据结果如下：
fmt.Println(str)

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?\u4e94\u884c\u7ecf\u7edc\u745c\u4f3d?","Tag_Profile_IM_Image":"https:\/\/thirdwx.qlogo.cn\/mmopen\/vi_32\/wKxUU0JCm65GC4mdDanKKutw089uPk03rgNfvwic1IwFWSibO9oKYiathZfMZLKyjFHu4qm6pEJ4E8hK3vXibwwjOA\/132","MsgTimeStamp":1616676817},{"GroupId":"@TGS#323FJYBHX","user_id":"248830","text":[{"text":"\u6768\u6dc7\u8001\u5e08\u7684\u5f1f\u5b50\u8bf4\u8bdd\u50cf\u6768\u6dc7\u8001\u5e08\uff0c\u5411\u5b87\u5b99\u4e0b\u5355","MsgType":"TIMTextElem"}],"Tag_Profile_IM_Nick":"\u9646\u9646","Tag_Profile_IM_Image":"https:\/\/thirdwx.qlogo.cn\/mmopen\/vi_32\/Q0j4TwGTfTLRCUtBgXRiaLPj6g1yfKAWgj8BdcDYFNy9ja2DxviamH7MvicictRr8Pbq5e8BQ9mZDr0ZeETOzWBEicw\/132","MsgTimeStamp":1616676756},{"GroupId":"@TGS#323FJYBHX","user_id":"248768","text":[{"text":"\u52a0\u6cb9\uff3e\uff10\uff3e~\u52a0\u6cb9","MsgType":"TIMTextElem"}],"Tag_Profile_IM_Nick":"\u7f8e \u7f8e 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\u7f8e 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fmt.Printf("%T", bytes)

[]uint8

fmt.Printf("%T", str)

string%
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1回答

ccmouse

2021-03-31

已采纳

请参考我最新增加的章节，

13-3 json数据格式的处理

13-4 第三方API数据格式的解析技巧


1
1
qq_自_3
好的，谢谢老师
2021-03-31
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