//实现权限
function toModule() {if (isOnlyChecked()) {formSubmit('${ctx}/role/tomodule', '_self');} else {alert("请先选择一项并且只能选择一项，再进行操作！");}
}
... ...
<li id="people"><a href="#" onclick="toModule();this.blur();" title="分配权限">权限</a></li>

//跳转分配权限页面
@RequestMapping("/tomodule")
public String tomodule(Model model) throws Exception {return "sysadmin/role/jRoleModule";
}

package com.sxt.pojo;
//ztree的bean对象
public class TreeNode {private String id;private String pId;private String name;private Boolean open=true;private Boolean checked;
... ...
}

//查询所有的权限，并把查询结果装到TreeBean里
List<TreeNode> listModuleOfTreeBean();

<!--查询所有的权限，并把查询结果装到TreeBean里-->
<select id="listModuleOfTreeBean" resultType="com.sxt.pojo.TreeNode">select m.module_id id,m.parent_id pId,m.name from module_p m
</select>

@Override
public List<TreeNode> listModuleOfTreeBean() throws Exception {return modulePMapper.listModuleOfTreeBean();
}

//跳转分配权限页面
@RequestMapping("/tomodule")
public String tomodule(Model model) throws Exception {return "sysadmin/role/jRoleModule";
}//查询zTree的数据
@RequestMapping("/listModuleOfTreeBean")
@ResponseBody
public  List<TreeNode> listModuleOfTreeBean(Model model) throws Exception {List<TreeNode> treeNodes = roleService.listModuleOfTreeBean();return treeNodes;
}

<script type="text/javascript">var setting = {check: {enable: true //显示checkbox/radio},data: {simpleData: {enable: true//使用简单的数据模式}}};//树的节点数据
/* var zNodes = [{"id":1, "pId":0, "name":"系统管理",open:true},{"id":11, "pId":1, "name":"用户管理",open:true},{"id":12, "pId":1, "name":"角色管理",open:true},{"id":111, "pId":11, "name":"新增",open:true,checked:true }];*/$(function(){$.ajax({url:'${ctx}/role/listModuleOfTreeBean',type:'post',success:initzTree});});function initzTree(zNodes){/**obj：显示zTree的dom节点setting：树的配置信息zNodes：树的节点数据*/$.fn.zTree.init($("#jTree"), setting, zNodes);}<div><%--显示zTree的dom节点--%><ul id="jTree" class="ztree"></ul>
</div>

<!--查询所有的权限，并把查询结果装到TreeBean里,并支持回显-->
<select id="listModuleOfTreeBeanByRoleId" parameterType="String" resultType="com.sxt.pojo.TreeNode">select m.module_id id,m.parent_id pId,m.name,'true' checked from module_p m where m.module_id in(select module_id from role_module_p rm where role_id=#{roleid})unionselect m.module_id id,m.parent_id pId,m.name,'false' checked from module_p m where m.module_id not in(select module_id from role_module_p rm where role_id=#{roleid})
</select>

//查询所有的权限，并把查询结果装到TreeBean里，并支持回显
List<TreeNode> listModuleOfTreeBeanByRoleId(String roleid);

@Override
public RoleP getRoleByRoleId(String id) throws Exception {return rolePMapper.selectByPrimaryKey(id);
}@Override
public List<TreeNode> listModuleOfTreeBeanByRoleId(String roleid) throws Exception {/***第一套思路：不推荐**///1、先查询所有权限装到ArrayList//2、再查询当前角色所拥有的权限ArrayList//3、遍历所有权限，如果找到则checked为true/***第二套思路：推荐**///1、查询当前角色所拥有的权限： select id,pid,name,'true' checked from module_p//中间用union all连接//2、查询当前角色所不拥有的权限：select id,pid,name,'false' checked from module_preturn modulePMapper.listModuleOfTreeBeanByRoleId(roleid);
}

//跳转分配权限页面
@RequestMapping("/tomodule")
public String tomodule(String id,Model model) throws Exception {//查询当前角色的详细信息RoleP role = roleService.getRoleByRoleId(id);model.addAttribute("role",role);return "sysadmin/role/jRoleModule";
}//查询zTree的数据
@RequestMapping("/listModuleOfTreeBeanByRoleId")
@ResponseBody
public  List<TreeNode> listModuleOfTreeBeanByRoleId(String roleid,Model model) throws Exception {List<TreeNode> treeNodes = roleService.listModuleOfTreeBeanByRoleId(roleid);return treeNodes;
}

$(function(){$.ajax({url:'${ctx}/role/listModuleOfTreeBean',type:'post',data:{"roleId":"${role.roleId}"},success:initzTree});
});