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java web简单权限管理设计

2016-06-01 15:33 393 查看
最近在做一个网站类型项目,主要负责后台,ui框架选型为jQuery easy ui,项目架构spring mvc
+ spring jdbc,简单易用好上手!搭建好框架后开始了第一个任务,设计并实现一套简单的权限管理功能。

一套最基本的权限管理包括用户、角色、资源。


数据库设计

我的设计如下:

用户:user

角色:role

用户-角色:user_role

资源:resource(包括上级菜单、子菜单、按钮等资源)

角色-资源:role_resource

标准的权限管理系统设计为以上5张表。

注:用户、用户-角色我就不做说明了,这两个是很简单的两块,用户的crud,以及为用户分配角色(多对多的关系)稍微琢磨一下就清楚了,下面都是针对为角色分配权限的实现


后台实现

展示层采用ztree树

role.jsp

[html] view
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<%@ page contentType="text/html;charset=UTF-8"%>

<%@ include file="/views/back/include/taglib.jsp"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta name="decorator" content="back" />

<script type="text/javaScript">

//打开菜单窗口

function openMenuDialog(){

var selected = $("#list").datagrid('getSelected');

if (selected != null) {

$("#id").val(selected.id);

queryMenus(selected.id);

$("#menuWindow").window("open");

} else {

$.messager.alert('提示', "未选择数据!");

}

}

//角色-菜单信息入库

function ajaxSubmit(rid,idstr){

$.post("${ctx}/roleMenu/save.jhtml",{"roleId":rid,"ids":idstr},function(obj){

$.messager.alert('提示',obj.msg);

$("#menuWindow").window('close');

},'json');

}

</script>

<!-- ztree -->

<script type="text/javascript">

var tree = "";

var setting = {

check : {

chkboxType:{"Y":"ps","N":"s"},//勾选checkbox对于父子节点的关联关系,取消勾选时不关联父

chkStyle:"checkbox",

enable : true //是否复选框

},

//数据

data : {

simpleData : {

enable : true

}

}

};

//查询菜单信息

function queryMenus(roleId){

$.post('${ctx}/role/treedata.jhtml', {'roleId':roleId}, function(zNodes) {

for (var i = 0; i < zNodes.length; i++) {

if (zNodes[i].isParent) {

} else {

//zNodes[i].icon = "${ctxStatic}/images/532.ico";//设置图标

}

}

tree = $.fn.zTree.init($("#tree"), setting, zNodes);

tree.expandAll(true);//全部展开

//var nodes = treeObj.getNodes();

}, 'json');

}

//获取选中节点

function onCheck(){

var rid = $("#id").val();

var treeObj=$.fn.zTree.getZTreeObj("tree");

var nodes=treeObj.getCheckedNodes(true);

var ids = new Array();

for(var i=0;i<nodes.length;i++){

//获取选中节点的值

ids.push(nodes[i].id);

// v+=nodes[i].id + ",";

//alert(nodes[i].id);

}

ajaxSubmit(rid,ids);

}

</script>

</head>

<body>

<!-- 数据表格 -->

<table id="list" url='${ctx}/role/list/page.jhtml' method='post'

class="easyui-datagrid" style="width:100%;" fitcolumns="true"

toolbar='#tb' pagination='true' rownumbers='true' singleSelect='true'>

<thead>

<tr>

<th field='name' sortable='true' width='100'>角色名称</th>

<th field='description' width='200' align='right'>描述</th>

<th field='createTimeFormat' width='150' align='center'>创建时间</th>

</tr>

</thead>

</table>

<!-- 编辑栏 -->

<div id="tb" style="padding:5px 5px;">

<div>

<p2p:permission module="role" code="add"><a href="#" class="easyui-linkbutton" iconCls="icon-add" onclick="openCreateDialog();">新增</a></p2p:permission>

<p2p:permission module="role" code="edit"><a href="#" class="easyui-linkbutton" iconCls="icon-edit" onclick="openUpdateDialog();">编辑</a></p2p:permission>

<p2p:permission module="role" code="delete"><a href="#" class="easyui-linkbutton" iconCls="icon-remove" onclick="del();">删除</a></p2p:permission>

<p2p:permission module="role" code="authority"><a href="#" class="easyui-linkbutton" iconCls="icon-edit" onclick="openMenuDialog();">设置权限</a></p2p:permission>

</div>

<!-- 搜索项 -->

<div style="margin-top:5px;padding-left:5px">

用户名: <input id="query_name" class="easyui-textbox" type="text" style="width:110px" />

创建日期: <input id="query_startDate" class="easyui-datebox" style="width:110px">

至: <input id="query_endDate" class="easyui-datebox" style="width:110px">

<a onclick="reload();" href="#" class="easyui-linkbutton" iconCls="icon-search">查询</a>

</div>

</div>

<!-- 权限窗口 -->

<div id="menuWindow" class="easyui-window" title="配置权限" data-options="modal:true,iconCls:'icon-save',footer:'#menuWindowfooter'" style="width:350px;height:420px;padding:10px">

<div id="tree" class="ztree" style="padding: 10px 20px;"></div>

</div>

<div id="menuWindowfooter" style="padding:5px;text-align:right;">

<a href="#" onclick="onCheck();" class="easyui-linkbutton" data-options="iconCls:'icon-save'">提交</a>

</div>

</body>

</html>

action层

RoleAction.java

[java] view
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@RequestMapping(value = "/treedata.jhtml")

@ResponseBody

public String treedata(HttpServletRequest request, Model model) {

DynamicParams params = new DynamicParams(request);

List<Map<String, Object>> mapList = Lists.newArrayList();

params.put("allMenu", "allMenu");

List<Menu> list = authManager.findMenuList(params);

List<RoleMenu> roleMenus = authManager.findRoleMenuList(params);

for (int i = 0; i < list.size(); i++) {

Menu e = list.get(i);

Map<String, Object> map = Maps.newHashMap();

map.put("id", e.getId());

map.put("pId", e.getParentId() != null ? e.getParentId() : 0);

map.put("name", e.getName());

for (RoleMenu roleMenu : roleMenus) {

if (roleMenu.getMenuId() == e.getId()) {

map.put("checked", true);

}

}

mapList.add(map);

}

return toJson(mapList);

}

service层

AuthManager.Java

[java] view
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// 菜单管理

public List<Menu> findMenuList(DynamicParams params) {

List<Menu> menus = new ArrayList<Menu>();

if ("allMenu".equals(params.getString("allMenu"))) {

menus = menuDao.findList(params);

} else {

// 通过用户查询角色

List<UserRole> userRoles = userRoleDao.findList(params);

// 通过角色查询菜单

List<RoleMenu> roleMenus = new ArrayList<RoleMenu>();

if (userRoles != null && userRoles.size() > 0) {

for (UserRole userRole : userRoles) {

params = new DynamicParams();

if (userRole != null) {

if (userRole.getRoleId().equals(params.getString("rid"))) {

break;

}

params.put("roleId", userRole.getRoleId().toString());

List<RoleMenu> rms = roleMenuDao.findList(params);

for (RoleMenu roleMenu : rms) {

roleMenus.add(roleMenu);

}

}

}

}

// 查询菜单信息

for (RoleMenu roleMenu : roleMenus) {

if (roleMenu != null) {

Menu menu = menuDao.find(roleMenu.getMenuId());

if (menu != null) {

menus.add(menu);

}

}

}

menus = removeDuplicate(menus);

Collections.sort(menus);

}

return menus;

}

[java] view
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/**

* 去除菜单中重复项

*

* @param list

* @return

*/

private List<Menu> removeDuplicate(List<Menu> list) {

List<Menu> result = new ArrayList<Menu>();

Set<Long> menuIds = new HashSet<Long>();

for (int i = 0; i < list.size(); i++) {

Menu m = list.get(i);

if (m != null && menuIds.add(m.getId())) {

result.add(m);

}

}

return result;

}

[java] view
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public List<RoleMenu> findRoleMenuList(DynamicParams params) {

List<RoleMenu> roleMenus = roleMenuDao.findList(params);

return roleMenus;

}

Dao层

menuDao

[java] view
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@Override

protected void createQuery(DynamicParams params, StringBuffer sql, List<Object> args) {

sql.append("select s.* from sys_menu s where 1=1 ");

String parentId = params.getString("parentId");

if (StringUtils.isNotBlank(parentId)) {

sql.append(" and parent_id = ? ");

args.add(parentId);

}

String sort = params.getString("sort");

String order = params.getString("order");

if (StringUtils.isNotBlank(sort)) {

sql.append(" order by ").append(hump2underline(sort));

if (StringUtils.isNotBlank(order)) {

sql.append(" " + order);

} else {

sql.append(" desc ");

}

} else {

sql.append("order by sort asc,id desc ");

}

}

userRoleDao

[java] view
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@Override

protected void createQuery(DynamicParams params, StringBuffer sql, List<Object> args) {

sql.append("select s.* from sys_user_role s where 1=1 ");

Long adminId = params.getLong("adminId");

if (adminId != null) {

sql.append(" and s.user_id = ?");

args.add(adminId);

}

}

roleMenuDao

[java] view
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@Override

protected void createQuery(DynamicParams params, StringBuffer sql, List<Object> args) {

sql.append("select s.* from ").append("sys_role_menu").append(" s where 1=1 ");

Long adminId = params.getLong("roleId");

if (adminId != null) {

sql.append(" and s.role_id = ?");

args.add(adminId);

}

}

在WEB-INF目录下建立文件夹tlds 建立自定义标签文件shiros.tld,我们通过自定义标签实现页面按钮的控制。



[html] view
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<span style="color:#333333;"><?xml version="1.0" encoding="UTF-8" ?>

<taglib xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
version="2.0">

<description>p2p permission taglib</description>

<display-name>permission taglib</display-name>

<tlib-version>1.0</tlib-version>

<short-name>p2p_back</short-name>

<uri>http://vanfon.p2p.cn/</uri>

<tag>

<description>权限校验标签,有权限就显示标签体的内容,否则不显示</description>

<name>permission</name>

<tag-class>com.vanfon.p2p.back.tag.PermissionTag</tag-class>

<body-content>JSP</body-content>

<attribute>

<description></description>

<name>module</name>

<required>true</required>

<rtexprvalue>false</rtexprvalue>

</attribute>

<attribute>

<description></description>

<name>code</name>

<required>true</required>

<rtexprvalue>false</rtexprvalue>

</attribute>

</tag>

</taglib></span>


自定义标签类



[java] view
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package com.vanfon.p2p.back.tag;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.jsp.JspException;

import javax.servlet.jsp.tagext.TagSupport;

import com.vanfon.p2p.entity.system.Admin;

import com.vanfon.p2p.entity.system.Menu;

import com.vanfon.p2p.manager.system.AuthManager;

import com.vanfon.p2p.utils.DynamicParams;

import com.vanfon.p2p.utils.SpringContextHolder;

/**

* 权限控制标签

*

* @author zhangwx

* @date 2015-2-5

*/

public class PermissionTag extends TagSupport {

/**

*

*/

private static final long serialVersionUID = 4592227792811389132L;

private String module;// 属性名必须与JSP自定义标签的属性名一样

private String code;

public String getModule() {

return module;

}

public void setModule(String module) {

this.module = module;

}

public String getCode() {

return code;

}

public void setCode(String code) {

this.code = code;

}

@Override

public int doStartTag() throws JspException {

boolean result = false;

HttpServletRequest request = (HttpServletRequest) this.pageContext.getRequest();// 通过成员变量获取HttpServletRequest对象

Admin admin = (Admin) request.getSession().getAttribute("admin");// 获取登录到系统的用户

if (admin != null) {

if ("1".equals(String.valueOf(admin.getIfsuper()))) {// 超级管理员

result = true;

} else {

DynamicParams params = new DynamicParams();

params.put("id", String.valueOf(admin.getId()));

params.put("module", this.module);

params.put("code", this.code);

AuthManager authManager = SpringContextHolder.getBean(AuthManager.class);

List<Menu> userRoleAuths = authManager.findUserRoleAuthList(params);

if (userRoleAuths != null && userRoleAuths.size() > 0) {

result = true;

}

}

}

return result ? EVAL_BODY_INCLUDE : SKIP_BODY;

}

}

以上就是该权限管理中权限树(为角色分配权限)的大体实现。








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标签:  权限管理