资源简介
(3)建立数据库工具类src/exper/DBUtils.java,实现从数据库连接池中获取数据库连接的方法;(5)修改ListUsersTag.java,增加属性userId和name,当指定userId和name时,将搜索指定用户的信息;
代码片段和文件信息
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License Version 2.0
* (the “License“); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing software
* distributed under the License is distributed on an “AS IS“ BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package mypackage;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Simple servlet to validate that the Hello World example can
* execute servlets. In the web application deployment descriptor
* this servlet must be mapped to correspond to the link in the
* “index.html“ file.
*
* @author Craig R. McClanahan
*/
public final class Hello extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* Respond to a GET request for the content produced by
* this servlet.
*
* @param request The servlet request we are processing
* @param response The servlet response we are producing
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet error occurs
*/
@Override
public void doGet(HttpServletRequest request
HttpServletResponse response)
throws IOException ServletException {
response.setContentType(“text/html“);
PrintWriter writer = response.getWriter();
writer.println(““);
writer.println(““);
writer.println(“tle>Sample Application Servlet Page tle>“);
writer.println(““);
writer.println(““);
writer.println(““);
writer.println(““);
writer.println(““);
writer.println(““);
writer.println(“ “);
writer.println(““);
writer.println(“Sample Application Servlet
“);
writer.println(“This is the output of a servlet that is part of“);
writer.println(“the Hello World application.“);
writer.println(“ “);
writer.println(“ “);
writer.println(“
“);
writer.println(““);
writer.println(““);
}
}
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 28503 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\bootstrap.jar
文件 1686 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\catalina-tasks.xm
文件 14028 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\catalina.bat
文件 21646 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\catalina.sh
文件 204944 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\commons-daemon-native.tar.gz
文件 24283 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\commons-daemon.jar
文件 2040 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\configtest.bat
文件 1922 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\configtest.sh
文件 8157 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\daemon.sh
文件 2091 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\digest.bat
文件 1965 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\digest.sh
文件 6308 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\service.bat
文件 3430 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\setclasspath.bat
文件 3547 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\setclasspath.sh
文件 2020 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\shutdown.bat
文件 1902 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\shutdown.sh
文件 2022 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\startup.bat
文件 1904 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\startup.sh
文件 1296896 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tcnative-1.dll
文件 44739 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tomcat-juli.jar
文件 404159 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tomcat-native.tar.gz
文件 86656 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tomcat7.exe
文件 110208 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tomcat7w.exe
文件 4021 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tool-wrapper.bat
文件 5024 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\tool-wrapper.sh
文件 2026 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\version.bat
文件 1908 2017-09-29 15:26 zz\apache-tomcat-7.0.82\bin\version.sh
文件 13451 2017-09-29 15:26 zz\apache-tomcat-7.0.82\conf\catalina.policy
文件 6633 2017-09-29 15:26 zz\apache-tomcat-7.0.82\conf\catalina.properties
文件 1782 2018-12-17 21:18 zz\apache-tomcat-7.0.82\conf\context.xm
............此处省略794个文件信息
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