通过servlet类打印jsp客户端页面

「爱情、让人受尽委屈。」 2022-05-10 00:34 197阅读 0赞

package edu.prj.ui.ctr;
    
    import java.io.IOException;
    import java.util.List;
    
    import javax.servlet.ServletException;
    import javax.servlet.annotation.WebServlet;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import edu.prj.bean.Manager;
    import edu.prj.service.ManagerService;
    import edu.prj.service.impl.ManagerServiceImpl;
    
    /**
     * Servlet implementation class ManagerListeServlet
     */
    @WebServlet("/manager_list.do")
    public class ManagerListeServlet extends HttpServlet {
    	private static final long serialVersionUID = 1L;
    	private ManagerService managerSerivice = new ManagerServiceImpl();
    
    	/**
    	 * @see HttpServlet#HttpServlet()
    	 */
    	public ManagerListeServlet() {
    		super();
    		// TODO Auto-generated constructor stub
    	}
    
    	/**
    	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
    	 *      response)
    	 */
    	protected void doGet(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    		// *****防止乱码的解决方案
    		// 输入数据乱码解决方案:使用request对象获取浏览器提交数据前,先设置字符集
    		request.setCharacterEncoding("utf-8");
    		// 输出数据乱码解决方案,使用request输出数据前,先设置字符集和内容类型
    		response.setCharacterEncoding("utf-8");
    		response.setContentType("text/html");
    		java.io.PrintWriter out = response.getWriter();
    
    		List<Manager> manager = managerSerivice.list();
    
    		int i = 1;
    		out.println(getHtml());
    		out.println("<div>");
    		out.println("<div class='title'>");
    		out.println("<span>管理员查看界面</span>");
    		out.println("</div>");
    		out.println("</div>");
    		out.println("<div id='mybox'>");
    		out.println("<table border=1px cellspacing='0' cellpading='1'>");
    		out.println("<tr class='firstbox'>");
    		out.print("<td>");
    		out.print("<input type='checkbox' value='' id='checkAll'>全选");
    		out.print("</td>");
    		out.println("<td>序号</td>");
    		out.println("<td>管理员id</td>");
    		out.println("<td>账户名</td>");
    		out.println("<td>密码</td>");
    		out.println("<td>昵称</td>");
    		out.println("<td colspan='3'>操作</td>");
    		out.println("</tr>");
    		for (Manager vManager : manager) {
    			out.println("<tr>");
    
    			out.print("<td>");
    			out.print("<input type='checkbox' id='checkother' value='" + vManager.getManagerId() + "'>");
    			out.print("</td>");
    			out.println("<td>" + i + "</td>");
    			out.println("<td>");
    			out.print(vManager.getManagerId());
    			out.println("</td>");
    
    			out.println("<td>");
    			out.print(vManager.getLoginName());
    			out.println("</td>");
    
    			out.println("<td>");
    			out.print(vManager.getLoginPwd());
    			out.println("</td>");
    
    			out.println("<td>");
    			out.print(vManager.getNickName());
    			out.println("</td>");
    
    			out.println("<td>");
    			out.print("<a href='manager_delete.do?id=" + vManager.getManagerId() + "'>删除</a>");
    			out.println("</td>");
    
    			out.println("<td>");
    			// 获取一个id,得到一个manage对象,设置他的属性,传值给新的对象,在将对象传入update中
    			out.print("<a href='manager_update.do?id=" + vManager.getManagerId() + "'>修改</a>");
    			out.println("</td>");
    
    			out.println("</tr>");
    			i++;
    		}
    		out.println("<tr>");
    		out.println("<td colspan='8' class='lastbox'>");
    		out.print("<a href='manager_insert.do'>添加</a>");
    		out.println("</td>");
    		out.println("</tr>");
    		out.println("</table>");
    		out.println("</div>");
    		out.println("<div class='serchbox'>");
    		
    		out.println("<form action='SelectManager.do'>");
    		out.println("<div>");
    		out.println("<div>");
    		out.println("管理员登陆名:");
    		out.println("<input type='text' name='SelectLoginName' required placeholder='需要的管理员登录名'>");
    		out.println("</div>");
    		out.println("<div>");
    		out.println("<input type='submit' value='查询'>");
    		out.println("</div>");
    		out.println("</div>");
    		out.println("</form>");
    		out.println("</div>");
    		out.println("<div class='datadel'>");
    		out.println("<button onclick='javascript:datadel();'>批量删除</button>");
    		out.println("</div>");
    		out.println("</body></html>");
    
    	}
    
    	private StringBuilder getHtml() {
    
    		StringBuilder sb = new StringBuilder();
    		sb.append("<!DOCTYPE html>");
    		sb.append("<html lang='en'>");
    		sb.append("<head>");
    		sb.append("<meta charset='UTF-8'>");
    		sb.append("<meta name='viewport' content='width=device-width, initial-scale=1.0'>");
    		sb.append("<meta http-equiv='X-UA-Compatible' content='ie=edge'>");
    		sb.append("<title>管理员操作界面</title>");
    		// 填写样式css
    		sb.append(" <link rel='stylesheet' href='css/Managertable.css'>");
    		sb.append("<script src='jq/jquery-3.3.1.min.js'></script>");
    		sb.append("<script src='js/choseManage.js'></script>");
    		
    		sb.append("</head>");
    		sb.append("<body>");
    
    		return sb;
    
    	}
    
    	/**
    	 * @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);
    	}
    
    }