Django:You called this URL via POST, but the URL doesn't end in a slash and you have APP END_SLASH s
RuntimeError: You called this URL via POST, but the URL doesn't end in a slash and you have APP END_SLASH set. Django can't redirect to the slash URL while maintaining POST data. Change your form to point to 127.0.0.1:9000/set_teacher.html/?cid=3/ (note the trailing slash), or set APPE ND_SLASH=False in your Django settings.
發生這個錯誤的幾種原因:
1. 傳送的url結尾看是否有 /
2 .如果帶有引數的話？前面一定也要有/，下面是錯誤的寫法:
正確的寫法:
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