Normally no error is reported, but when I add a parameter with a length of 100 Chinese characters, an error is reported? If there is a parameter length limit, what is the length limit? If you know, please let me know.
Link like this
http://a.b.cn/index.html?c=啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊
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The parameters you pass in are not specified by WeChat, and an error will definitely be reported
Disregarding the redirect_uri issue, the browser itself has a length limit on the url
Have you done UrlEncode? Besides, the length of the get URL is inherently limited
It is probably due to urlencode.