PHP queries the database and outputs garbled characters

PHP query database output garbled code

1. First, you must figure out the sorting rules (encoding) of your database, tables, and fields. Method)

2. Use

$charset=mysqli_character_set_name($con);  //返回数据库默认字符集的编码utf8
echo "默认字符集为: " . $charset;

in php. 3. The encoding rules of the php header should be consistent with the database

header("Content-type:text/html;charset=utf8");//字符编码设置

4. The coding rules of the html page must also be consistent

<meta http-equiv="Content-Type" content="text/html; charset=utf8">

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