请问高手， Perl 连接MySQL时，语句如下：
use DBI;
my $dbh = DBI->connect("dbi:mysql:testsql:localhost,port=3306","root","abc");
print "success";
$dbh->disconnect;
但是在编译时会遇到如下错误提示：
install_driver(mysql) failed: Can' ......
create table if not exists db_eshop.LeaveWord(
ID int(11) not null,
Member int (11) not null,
Admin int(11) not null,
Title nchar(60) default null,
Content text default null,
LeaveDate datetime default null,
AnswerContent text default null,
AnswerDate datetime default ......
public String initOrder(User user) {
int sId = user.getId();
for (int i = 1; i <= 4; i++) {
System.out.println(i);
if (user.getId() % 5 == 0) {
orderDao.create(new Order(new OrderId(sId, i), 9999, 16));
} else {
orderDao.create(new Order(new OrderId(sId, i), sI ......
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspExc ......
明明从网页接收的参数都是中文，并且用out.print()打印出来也是中文,但为什么向mysql数据库插入时变成了？？？？号~~
mysql是啥编码方式
show variables like '%char%' 各种配置后运行该命令显示如下：
____________________________________
character_set_client&nb ......
我这有个导入sql文件的批处理：
SQL code:
set path="C:\Program Files\MySQL\MySQL Server 5.4\bin"
@ECHO ON
ECHO 进入Mysql目录....
ECHO
ECHO 数据库正在执行中....
mysql -uroot -p -D -t nxjsw_hope<d:\datas\expDatas.sql
ECHO 导入执行完毕
ECHO.
pause
exit
由于 ......
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