mysql encode decode加密和解密
加密：模板：insert into user(userpass) values(encode(\'useerpass\',\'str\'))
insert into user(userid,username,password,person,department_name,zhicheng_name,email) values"
+ "("+userid+",\'"+user+"\',encode(\'"+password+"\',\'hanhan\'),\'"+person+"\',\'"+department+"\',\'"+zhicheng+"\',\'"+email+"\')"
解密：select username,decode(password,\'hanhan\')from user";