tomcat 中文乱码, mysql 中文乱码_MySQL

Tomcat

tomcat中文乱码 get 请求.

修改server.xml中的添加URIEncoding='UTF-8'

tomcat中文乱码 post 版

另外HttpURLConnection上传参数的时候要转码成url编码

outStream.writeBytes("&" + URLEncoder.encode(key, "utf-8") + "=" + URLEncoder.encode(value, "utf-8"));

mysql 中文乱码

修改 my.cnf ,在 [mysqld] 下面添加

character-set-server = utf8

创建数据库的时候制定编码格式为 utf-8

CREATE DATABASE dbname DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

或者修改已有数据库/表编码格式为 utf-8

ALTER DATABASE databasename CHARACTER SET utf8 COLLATE utf8_unicode_ci;ALTER TABLE tablename CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;