java之乱码

java常见乱码

1.request.getCharacterEncoding("utf-8");

2.new String(username.getBytes("iso-8859-1","utf-8"))

3.tomcat默认情况下只适合post传值

在server.xml中找到Connector标签 添加一个属性useBodyEncodingForUrl="true"或者URIEncoding="utf-8";

4.数据库与表设置

5.响应乱码

response.setContextType("text/html");

response.setCharacterEncoding("utf-8");

6.连接字符串编码设置

jdbc:mysql://localhost:3306/album?characterEncoding=utf-8