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Chinese garbled characters when php connects to mysql database

王林
Release: 2023-02-25 18:20:02
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Chinese garbled characters when php connects to mysql database

To solve the problem of garbled characters in the PHP database, you can make the following settings:

1. Settings in the database:

1. When creating a new database in MYSQL, the database selects UTF-8 encoding and the character set is set to utf-8_unicode_ci (Unicode (multi-language), case-insensitive). The table arrangement in the library is set to utf-8_general_ci; The collation of each field in the table is set to utf-8_general_ci.

2. When creating a database, specify the character type as uft8, such as:

create database db_name character set utf8;
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or modify the created database to utf8 type:

alter database db_name character set utf8;
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3. When creating a table, specify The character type is utf8, such as:

CREATE TABLE tb_name(  
id int(10) NOT NULL auto_increment,  
username char(34) NOT NULL ,  
password int(56) NOT NULL,  
PRIMARY KEY (id)  
) DEFAULT CHARSET=utf8;
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or modify the created table to utf8 format:

alter table tb_name character set utf8;
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or modify a field in the table to utf8 format:

alter table tb_name modify type_name varchar(50) CHARACTER SET utf8;
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2. PHP connection settings, in the MySQL connection function of PHP, add the statement:

//注意此处为utf8,不要写成utf-8mysql_query("set names 'utf8'");
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3. Page declaration encoding: in the HTML code xxx< /head>Inside, you can use:

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>申明页面编码
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4. Set the browser to utf-8 format.

5. Editor character encoding, the code document must be saved in utf-8 format.

6. If the inserted data is garbled, you can transcode the inserted data. First convert the string to utf-8 and then insert it into the database.

Recommended tutorial: PHP video tutorial

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