資源簡介
Javaweb的增刪改查的小案例(jsp+tomcat+eclipse+mysql)

代碼片段和文件信息
package?jdb1;
import?java.io.IOException;
import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?javax.servlet.ServletException;
import?javax.servlet.annotation.WebServlet;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
/**
?*?Servlet?implementation?class?AddMyPersonServlet
?*/
@WebServlet(“/AddMyPersonServlet“)
public?class?AddMyPersonServlet?extends?HttpServlet?{
private?static?final?long?serialVersionUID?=?1L;
???????
????/**
?????*?@see?HttpServlet#HttpServlet()
?????*/
????public?AddMyPersonServlet()?{
????????super();
????????//?TODO?Auto-generated?constructor?stub
????}
/**
?*?@see?HttpServlet#doGet(HttpServletRequest?request?HttpServletResponse?response)
?*/
protected?void?doGet(HttpServletRequest?request?HttpServletResponse?response)?throws?ServletException?IOException?{
//?TODO?Auto-generated?method?stub
request.setCharacterEncoding(“UTF-8“);
String?stuNum?=?request.getParameter(“stuNum“);
String?stuName?=?request.getParameter(“stuName“);
String?stuSex?=?request.getParameter(“stuSex“);
String?stuAge?=?request.getParameter(“stuAge“);
String?stuAddr?=?request.getParameter(“stuAddr“);
????????try?{
Class.forName(“com.mysql.cj.jdbc.Driver“);
String?url?=?“jdbc:mysql://localhost:3306/itcast?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC&useSSL=true“;
String?user?=?“root“;
String?pass?=?“123456“;
Connection?conn?=?DriverManager.getConnection(urluserpass);
String?sql?=?“insert?into?studInfo(stuNumstuNamestuSexstuAgestuAddr)?values(?????)“;
PreparedStatement?ps??=?conn.prepareStatement(sql);
????ps.setInt(1?Integer.parseInt(stuNum));
????
????????????ps.setString(2?stuName);
????
????ps.setString(3?stuSex);
????
????ps.setInt(4?Integer.parseInt(stuAge));
????
????ps.setString(5?stuAddr);
????
int?result?=?ps.executeUpdate();
response.sendRedirect(“FindMyPersonServlet“);
}?catch?(Exception?e)?{
//?TODO?Auto-generated?catch?block
e.printStackTrace();
}
}
/**
?*?@see?HttpServlet#doPost(HttpServletRequest?request?HttpServletResponse?response)
?*/
protected?void?doPost(HttpServletRequest?request?HttpServletResponse?response)?throws?ServletException?IOException?{
//?TODO?Auto-generated?method?stub
doGet(request?response);
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-06-11?22:57??jdb1\
?????文件????????1040??2018-06-11?22:58??jdb1\.classpath
?????文件?????????904??2018-06-11?22:57??jdb1\.project
?????目錄???????????0??2018-06-11?22:57??jdb1\.settings\
?????文件?????????567??2018-06-11?22:57??jdb1\.settings\.jsdtscope
?????文件?????????670??2018-06-11?22:58??jdb1\.settings\org.eclipse.jdt.core.prefs
?????文件?????????464??2018-06-11?22:57??jdb1\.settings\org.eclipse.wst.common.component
?????文件?????????331??2018-06-11?22:57??jdb1\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件??????????49??2018-06-11?22:57??jdb1\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2018-06-11?22:57??jdb1\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2018-06-14?22:09??jdb1\WebContent\
?????文件?????????788??2018-06-14?23:11??jdb1\WebContent\AddMyPerson.jsp
?????文件?????????774??2018-06-11?23:05??jdb1\WebContent\Login.jsp
?????目錄???????????0??2018-06-11?22:57??jdb1\WebContent\me
?????文件??????????39??2018-06-11?22:57??jdb1\WebContent\me
?????文件?????????994??2018-06-14?21:15??jdb1\WebContent\ShowMyPerson.jsp
?????文件????????1748??2018-06-14?22:02??jdb1\WebContent\ShowMyPersons.jsp
?????目錄???????????0??2018-06-14?22:10??jdb1\WebContent\WEB-INF\
?????目錄???????????0??2018-06-11?23:44??jdb1\WebContent\WEB-INF\lib\
?????文件?????2036609??2018-06-11?23:44??jdb1\WebContent\WEB-INF\lib\mysql-connector-java-8.0.11.jar
?????目錄???????????0??2018-06-11?22:57??jdb1\build\
?????目錄???????????0??2018-07-19?08:41??jdb1\build\classes\
?????目錄???????????0??2018-07-19?08:41??jdb1\build\classes\jdb1\
?????文件????????2771??2018-07-19?08:41??jdb1\build\classes\jdb1\AddMyPersonServlet.class
?????文件????????2443??2018-07-19?08:41??jdb1\build\classes\jdb1\DeleteMyPersonServlet.class
?????文件????????3235??2018-07-19?08:41??jdb1\build\classes\jdb1\FUpdateMyPersonServlet.class
?????文件????????3423??2018-07-19?08:41??jdb1\build\classes\jdb1\FindMyPersonServlet.class
?????文件????????2650??2018-07-19?08:41??jdb1\build\classes\jdb1\LoginServlet.class
?????文件????????1344??2018-07-19?08:41??jdb1\build\classes\jdb1\MyPerson.class
?????文件????????2800??2018-07-19?08:41??jdb1\build\classes\jdb1\UpdateMyPersonServlet.class
?????目錄???????????0??2018-06-11?23:00??jdb1\src\
............此處省略8個文件信息
- 上一篇:Java程序設計第2版
- 下一篇:JVM規范
評論
共有 條評論