Springmvc框架实现用户列表查询·

需求：通过用户名和用户角色查询符合条件的用户列表信息

UserController.java

package cn.smbms.controller;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import cn.smbms.pojo.Role;
import cn.smbms.pojo.User;
import cn.smbms.service.role.RoleService;
import cn.smbms.service.user.UserService;
import cn.smbms.tools.Constants;
import cn.smbms.tools.PageSupport;

@Controller
@RequestMapping("/user")
public class UserController{
	private Logger logger = Logger.getLogger(UserController.class);
	
	@Resource
	private UserService userService;
	@Resource
	private RoleService roleService;
	
	@RequestMapping(value="/login.html")
	public String login(){
		logger.debug("UserController welcome SMBMS==================");
		return "login";
	}
	
	@RequestMapping(value="/dologin.html",method=RequestMethod.POST)
	public String doLogin(@RequestParam String userCode,@RequestParam String userPassword,HttpServletRequest request,HttpSession session){
		logger.debug("doLogin====================================");
		//调用service方法，进行用户匹配
		User user = userService.login(userCode,userPassword);
		if(null != user){//登录成功
			//放入session
			session.setAttribute(Constants.USER_SESSION, user);
			//页面跳转（frame.jsp）
			return "redirect:/user/main.html";
			//response.sendRedirect("jsp/frame.jsp");
		}else{
			//页面跳转（login.jsp）带出提示信息--转发
			request.setAttribute("error", "用户名或密码不正确");
			return "login";
		}
	}
	@RequestMapping(value="/main.html")
	public String main(HttpSession session){
		if(session.getAttribute(Constants.USER_SESSION) == null){
			return "redirect:/user/login.html";
		}
		return "frame";
	}
	
	@RequestMapping(value="/logout.html")
	public String logout(HttpSession session){
		//清除session
		session.removeAttribute(Constants.USER_SESSION);
		return "login";
	}
	@RequestMapping(value="/exlogin.html",method=RequestMethod.GET)
	public String exLogin(@RequestParam String userCode,@RequestParam String 

userPassword){
		logger.debug("exLogin====================================");
		//调用service方法，进行用户匹配
		User user = userService.login(userCode,userPassword);
		if(null == user){//登录失败
			throw new RuntimeException("用户名或者密码不正确！");
		}
		return "redirect:/user/main.html";
	}
	
	/*@ExceptionHandler(value={RuntimeException.class})
	public String handlerException(RuntimeException e,HttpServletRequest req){
		req.setAttribute("e", e);
		return "error";
	}*/
	
	@RequestMapping(value="/userlist.html")
	public String getUserList(Model model,
							@RequestParam(value="queryname",required=false) String queryUserName,
							@RequestParam(value="queryUserRole",required=false) String queryUserRole,
							@RequestParam(value="pageIndex",required=false) String pageIndex){
		logger.info("getUserList ---- > queryUserName: " + queryUserName);
		logger.info("getUserList ---- > queryUserRole: " + queryUserRole);
		logger.info("getUserList ---- > pageIndex: " + pageIndex);
		int _queryUserRole = 0;		
		List<User> userList = null;
		//设置页面容量
    	int pageSize = Constants.pageSize;
    	//当前页码
    	int currentPageNo = 1;
	
		if(queryUserName == null){
			queryUserName = "";
		}
		if(queryUserRole != null && !queryUserRole.equals("")){
			_queryUserRole = Integer.parseInt(queryUserRole);
		}
		
    	if(pageIndex != null){
    		try{
    			currentPageNo = Integer.valueOf(pageIndex);
    		}catch(NumberFormatException e){
    			return "redirect:/user/syserror.html";
    			//response.sendRedirect("syserror.jsp");
    		}
    	}	
    	//总数量（表）	
    	int totalCount	= userService.getUserCount(queryUserName,_queryUserRole);
    	//总页数
    	PageSupport pages=new PageSupport();
    	pages.setCurrentPageNo(currentPageNo);
    	pages.setPageSize(pageSize);
    	pages.setTotalCount(totalCount);
    	int totalPageCount = pages.getTotalPageCount();
    	//控制首页和尾页
    	if(currentPageNo < 1){
    		currentPageNo = 1;
    	}else if(currentPageNo > totalPageCount){
    		currentPageNo = totalPageCount;
    	}
		userList = userService.getUserList(queryUserName,_queryUserRole,currentPageNo,pageSize);
		model.addAttribute("userList", userList);
		List<Role> roleList = null;
		roleList = roleService.getRoleList();
		model.addAttribute("roleList", roleList);
		model.addAttribute("queryUserName", queryUserName);
		model.addAttribute("queryUserRole", queryUserRole);
		model.addAttribute("totalPageCount", totalPageCount);
		model.addAttribute("totalCount", totalCount);
		model.addAttribute("currentPageNo", currentPageNo);
		return "userlist";
	}
	
	@RequestMapping(value="/syserror.html")
	public String sysError(){
		return "syserror";
	}
	
	
	
}

　　RoleDao.java

package cn.smbms.dao.role;

import java.sql.Connection;
import java.util.List;
import cn.smbms.pojo.Role;

public interface RoleDao {
	
	public List<Role> getRoleList(Connection connection)throws Exception;

}

　　RoleDaoImpl.java

package cn.smbms.dao.role;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import org.springframework.stereotype.Repository;
import cn.smbms.dao.BaseDao;
import cn.smbms.pojo.Role;

@Repository
public class RoleDaoImpl implements RoleDao{

	@Override
	public List<Role> getRoleList(Connection connection) throws Exception {
		// TODO Auto-generated method stub
		PreparedStatement pstm = null;
		ResultSet rs = null;
		List<Role> roleList = new ArrayList<Role>();
		if(connection != null){
			String sql = "select * from smbms_role";
			Object[] params = {};
			rs = BaseDao.execute(connection, pstm, rs, sql, params);
			while(rs.next()){
				Role _role = new Role();
				_role.setId(rs.getInt("id"));
				_role.setRoleCode(rs.getString("roleCode"));
				_role.setRoleName(rs.getString("roleName"));
				roleList.add(_role);
			}
			BaseDao.closeResource(null, pstm, rs);
		}
		
		return roleList;
	}

}

　　RoleService.java

package cn.smbms.service.role;

import java.util.List;

import cn.smbms.pojo.Role;

public interface RoleService {
	
	public List<Role> getRoleList();
	
}

　　RoleServiceImpl.java

package cn.smbms.service.role;

import java.sql.Connection;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import cn.smbms.dao.BaseDao;
import cn.smbms.dao.role.RoleDao;
import cn.smbms.pojo.Role;

@Service
public class RoleServiceImpl implements RoleService{
	@Resource
	private RoleDao roleDao;
	
	@Override
	public List<Role> getRoleList() {
		// TODO Auto-generated method stub
		Connection connection = null;
		List<Role> roleList = null;
		try {
			connection = BaseDao.getConnection();
			roleList = roleDao.getRoleList(connection);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally{
			BaseDao.closeResource(connection, null, null);
		}
		return roleList;
	}
	
}

　　添加工具类PageSurport.java

package cn.smbms.tools;

public class PageSupport {
	//当前页码-来自于用户输入
	private int currentPageNo = 1;
	
	//总数量（表）
	private int totalCount = 0;
	
	//页面容量
	private int pageSize = 0;
	
	//总页数-totalCount/pageSize（+1）
	private int totalPageCount = 1;

	public int getCurrentPageNo() {
		return currentPageNo;
	}

	public void setCurrentPageNo(int currentPageNo) {
		if(currentPageNo > 0){
			this.currentPageNo = currentPageNo;
		}
	}

	public int getTotalCount() {
		return totalCount;
	}

	public void setTotalCount(int totalCount) {
		if(totalCount > 0){
			this.totalCount = totalCount;
			//设置总页数
			this.setTotalPageCountByRs();
		}
	}
	public int getPageSize() {
		return pageSize;
	}

	public void setPageSize(int pageSize) {
		if(pageSize > 0){
			this.pageSize = pageSize;
		}
	}

	public int getTotalPageCount() {
		return totalPageCount;
	}

	public void setTotalPageCount(int totalPageCount) {
		this.totalPageCount = totalPageCount;
	}
	
	public void setTotalPageCountByRs(){
		if(this.totalCount % this.pageSize == 0){
			this.totalPageCount = this.totalCount / this.pageSize;
		}else if(this.totalCount % this.pageSize > 0){
			this.totalPageCount = this.totalCount / this.pageSize + 1;
		}else{
			this.totalPageCount = 0;
		}
	}
	
}

　　syserror.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>请登录后再访问该页面！</h1>
<a href="${pageContext.request.contextPath }/user/login.html">返回</a>
</body>
</html>

　　rolepage.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
	
</script>
</head>
<body>
 		<div class="page-bar">
			<ul class="page-num-ul clearfix">
				<li>共${param.totalCount }条记录   ${param.currentPageNo }/${param.totalPageCount }页</li>
				<c:if test="${param.currentPageNo > 1}">
					<a href="javascript:page_nav(document.forms[0],1);">首页</a>
					<a href="javascript:page_nav(document.forms[0],${param.currentPageNo-1});">上一页</a>
				</c:if>
				<c:if test="${param.currentPageNo < param.totalPageCount }">
					<a href="javascript:page_nav(document.forms[0],${param.currentPageNo+1 });">下一页</a>
					<a href="javascript:page_nav(document.forms[0],${param.totalPageCount });">最后一页</a>
				</c:if>
				  
			</ul>
		 <span class="page-go-form"><label>跳转至</label>
	     <input type="text" name="inputPage" id="inputPage" class="page-key" />页
	     <button type="button" class="page-btn" onClick='jump_to(document.forms[0],document.getElementById("inputPage").value)'>GO</button>
		</span>
		</div> 
</body>
<script type="text/javascript" src="${pageContext.request.contextPath }/statics/js/rollpage.js"></script>
</html>

　　userList.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@include file="/WEB-INF/jsp/common/head.jsp"%>
        <div class="right">
            <div class="location">
                <strong>你现在所在的位置是:</strong>
                <span>用户管理页面</span>
            </div>
            <div class="search">
           		<form method="post" action="${pageContext.request.contextPath }/user/userlist.html">
					<input name="method" value="query" class="input-text" type="hidden">
					 <span>用户名：</span>
					 <input name="queryname" class="input-text"	type="text" value="${queryUserName }">
					 
					 <span>用户角色：</span>
					 <select name="queryUserRole">
						<c:if test="${roleList != null }">
						   <option value="0">--请选择--</option>
						   <c:forEach var="role" items="${roleList}">
						   		<option <c:if test="${role.id == queryUserRole }">selected="selected"</c:if>
						   		value="${role.id}">${role.roleName}</option>
						   </c:forEach>
						</c:if>
	        		</select>
					 
					 <input type="hidden" name="pageIndex" value="1"/>
					 <input	value="查 询" type="submit" id="searchbutton">
					 <a href="${pageContext.request.contextPath}/jsp/useradd.jsp" >添加用户</a>
				</form>
            </div>
            <!--用户-->
            <table class="providerTable" cellpadding="0" cellspacing="0">
                <tr class="firstTr">
                    <th width="10%">用户编码</th>
                    <th width="20%">用户名称</th>
                    <th width="10%">性别</th>
                    <th width="10%">年龄</th>
                    <th width="10%">电话</th>
                    <th width="10%">用户角色</th>
                    <th width="30%">操作</th>
                </tr>
                   <c:forEach var="user" items="${userList }" varStatus="status">
					<tr>
						<td>
						<span>${user.userCode }</span>
						</td>
						<td>
						<span>${user.userName }</span>
						</td>
						<td>
							<span>
								<c:if test="${user.gender==1}">男</c:if>
								<c:if test="${user.gender==2}">女</c:if>
							</span>
						</td>
						<td>
						<span>${user.age}</span>
						</td>
						<td>
						<span>${user.phone}</span>
						</td>
						<td>
							<span>${user.userRoleName}</span>
						</td>
						<td>
						<span><a class="viewUser" href="javascript:;" userid=${user.id } username=${user.userName }><img src="${pageContext.request.contextPath }/statics/images/read.png" alt="查看" title="查看"/></a></span>
						<span><a class="modifyUser" href="javascript:;" userid=${user.id } username=${user.userName }><img src="${pageContext.request.contextPath }/statics/images/xiugai.png" alt="修改" title="修改"/></a></span>
						<span><a class="deleteUser" href="javascript:;" userid=${user.id } username=${user.userName }><img src="${pageContext.request.contextPath }/statics/images/schu.png" alt="删除" title="删除"/></a></span>
						</td>
					</tr>
				</c:forEach>
			</table>
			<input type="hidden" id="totalPageCount" value="${totalPageCount}"/>
		  	<c:import url="rollpage.jsp">
	          	<c:param name="totalCount" value="${totalCount}"/>
	          	<c:param name="currentPageNo" value="${currentPageNo}"/>
	          	<c:param name="totalPageCount" value="${totalPageCount}"/>
          	</c:import>
        </div>
    </section>

<!--点击删除按钮后弹出的页面-->
<div class="zhezhao"></div>
<div class="remove" id="removeUse">
    <div class="removerChid">
        <h2>提示</h2>
        <div class="removeMain">
            <p>你确定要删除该用户吗？</p>
            <a href="#" id="yes">确定</a>
            <a href="#" id="no">取消</a>
        </div>
    </div>
</div>

<%@include file="/WEB-INF/jsp/common/foot.jsp" %>
<script type="text/javascript" src="${pageContext.request.contextPath }/statics/js/userlist.js"></script>

　运行结果：