字符编码的问题String command =  mysqlBinPath + "mysql -u" + username
+ " -p" + password + " "+dbname;
try {
Process process = Runtime.getRuntime().exec(command);修改为:
String command =  mysqlBinPath + "mysql --default-character-set=utf8 -u" + username
+ " -p" + password + " "+dbname;
try {
Process process = Runtime.getRuntime().exec(command);