避免 SQL 注入
什麼是 SQL 注入
SQL 注入範例
<form action="/login" method="POST">
<p>Username: <input type="text" name="username" /></p>
<p>Password: <input type="password" name="password" /></p>
<p><input type="submit" value="登陸" /></p>
</form>username:=r.Form.Get("username")
password:=r.Form.Get("password")
sql:="SELECT * FROM user WHERE username='"+username+"' AND password='"+password+"'"如何預防 SQL 注入
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