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修改功能代码实现用户修改 public class UserListServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throw 阅读全文
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修改功能用户信息回显 <%@ page contentType="text/html;charset=UTF-8" language="java" %><html><head> <meta charset="utf-8"> <title>修改用户</title> <meta charset="utf 阅读全文
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修改功能分析 阅读全文
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JSTL常用标签_choose 2. choose:相当于java代码的switch语句1.使用choose标签声明 相当于switch声明2.使用when标签做判断 相当于case3.使用otherwise标签做其他情况的声明 相当于default JSTL常用标签_foreach foreach 阅读全文
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删除功能分析 删除功能代码实现 public class DelUserServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) thr 阅读全文
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添加功能分析 添加功能代码实现 public class AddUserServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) thr 阅读全文
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登录功能_代码实现 public class LoginServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) thr 阅读全文
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页面调整 在jsp页面添加 (添加,删除,查询) <div style="float: right;margin: 5px;"> <a class="btn btn-primary" href="${pageContext.request.contextPath}/add.jsp">添加联系人</a 阅读全文
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案例代码实现1 写人实体类 package pojo;public class User { private int id; private String name; private String gender; private int age; private String address; pr 阅读全文