很多導(dǎo)航菜單是樹形的，即一級一級往下分，這樣的結(jié)構(gòu)固然需要用遞歸來處理。
對于Freemarker 來說，宏就相當于函數(shù)，其定義了簽名及參數(shù)列表。
所以在freemarker頁面應(yīng)這樣寫：
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<#macro menuTree menus> <#if menus?? && menus?size gt 0> <#list menus as menu> <tr> <td> <input type="checkbox" name="ids" value="${menu.id}" /> </td> <td> <span title="${menu.name!}" style="margin-left: ${menu.leaf * 30}px;[#if menu.leaf == 0] color: #000000;[/#if]"> ${menu.menuName!} </span> </td> <td> ${menu.url!} </td> <td> ${menu.permissionText!} </td> <td> ${menu.sortNo!} </td> <td> <a href="edit.jhtml?id=${menu.id}">[編輯]</a> </td> </tr> <#if menu.menuBeans?? && menu.menuBeans?size gt 0> <@menuTree menus = menu.menuBeans/> </#if> </#list> </#if> </#macro> <!-- 調(diào)用宏 生成遞歸樹 --><@menuTree menus = dto /> |
后臺數(shù)據(jù)：
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[ { "id": 1, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "系統(tǒng)管理", "menuType": 1, "parentId": null, "iconcls": null, "url": null, "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 0, "typeName": null, "permissionText": null, "menuBeans": [ { "id": 7, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "模塊管理", "menuType": 1, "parentId": 1, "iconcls": null, "url": "/module/list", "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null }, { "id": 3, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "菜單管理", "menuType": 1, "parentId": 1, "iconcls": null, "url": "/menu/list", "expand": null, "sortNo": null, "permission": "admin:add", "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null } ] }, { "id": 2, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "用戶管理", "menuType": 1, "parentId": null, "iconcls": null, "url": null, "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 0, "typeName": null, "permissionText": null, "menuBeans": [ { "id": 9, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "供應(yīng)商管理", "menuType": 1, "parentId": 2, "iconcls": null, "url": null, "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null }, { "id": 8, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "部門管理", "menuType": 1, "parentId": 2, "iconcls": null, "url": null, "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null }, { "id": 6, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "權(quán)限管理", "menuType": 1, "parentId": 2, "iconcls": null, "url": "/user/list-6", "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null }, { "id": 5, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "角色管理", "menuType": 1, "parentId": 2, "iconcls": null, "url": "/user/list-5", "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null }, { "id": 4, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "分銷商管理", "menuType": 1, "parentId": 2, "iconcls": null, "url": "/user/add-4", "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null }, { "id": 10, "enable": true, "remark": null, "createBy": 1, "createTime": 1503546411000, "updateBy": 1, "updateTime": 1503546415000, "keyword": null, "menuName": "員工管理", "menuType": 1, "parentId": 2, "iconcls": null, "url": null, "expand": null, "sortNo": null, "permission": null, "moduleId": 1, "parentName": null, "leaf": 1, "typeName": null, "permissionText": null, "menuBeans": null } ] } ] |
以上就是本文的全部內(nèi)容，希望對大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：http://blog.csdn.net/liubinblog/article/details/78036222
