Shulou(Shulou.com)06/01 Report--

Problem description: after pdo connects to the database, all the men in the query database are transformed into document numbers (? ), the file format is utf-8, the table of the database, and the fields are all set to utf8.

Handling method, new PDO ($num1,$num2,$num3,$num4,) when connecting to the database

The fourth parameter is the array. Add a PDO::MYSQL_ATTR_INIT_COMMAND= > 'SET NAMES utf8', that is, set it to utf8 when connecting, so that the subsequent operations of the database will be normal.

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