Jon_Ronson
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MySQL的字符集支持(Character Set Support)有两个方面：字符集(Character set)和排序方式(Collation)。对于字符集的支持细化到四个层次: 服务器(server)，数据库(database)，数据表(table)和连接(connection)。下面将分两部分，分别设置服务器编码和 ...
一些常用的正则表达式示例：
1、匹配所有的正数：^[0-9]+$
2、匹配所有的小数：^\-?[0-9]*\.?[0-9]*$
3、匹配所有的整数：^\-?[0-9]+$
4、提取信息中的中文字符串： [\u4e00-\u9fa5]* ;
5、提取信息中的邮件地址：\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w ...
/**
* mapping.xml的配置
*/
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping pa ...
逗比包:
mysql5.1.7.jar
io.jar
Pool.jar
email.jar
smartUpload.jar
二维码.jar
junit.jar
dom4j.jar
Struts.jar
Hibernate.jar
Spring4.jar
Spring_Aop.jar
struts_hibernate_spring.jar
有些逗比包可能版本太低了,需要更加新的包去官网吧...
/**
* 建链接池
*/
public class DB_Pools {
private final static String user = "数据库账号";
private final static String password = "数据库密码";
private final static String url = "jdbc:mysql://localhost:3306/数据库名";
private final static String driverClass = "com. ...
/**
*Servlet
*/
public class UploadServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path = null;
// 新建一个SmartUpload对象,此项是必须 ...
/**
* Servlet 代码
*/
import java.io.File;
import javax.servlet.ServletContext;
import org.apache.struts2.util.ServletContextAware;
import com.opensymphony.xwork2.ActionSupport;
public class FileUpAction extends ActionSupport implements ServletContextAware {
private File myFile;
privat ...
/**
* servlet 代码
*/
public class UploadServlet extends HttpServlet {
public void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
DiskFileItemFactory factory=new DiskFileItemFactory();//磁盤對象 存放臨時文件
ServletFileUpload sfu=new ServletFil ...