premise: to generate a landing page according to a template, DB stores only the pictures or text information to be replaced.
< hr >can be saved as a draft first, access with parameters such as preview=1, and access draft data to preview, but online draft data will not be displayed.
of course, add the corresponding unique id. If id is afraid of being guessed, for example, with increasing numbers, it can be replaced with encrypted strings, so it is not easy to be accessed by guesses.
for reference.
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yii2 framework, debug toolbar is not displayed after opening debug, online environment does not display, but offline can be displayed as shown below, none online. After the code is uploaded online, only the database configuration is modified, but the r...