详解layuiAdmin单页版根据后台json数据动态生成左侧菜单栏

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layuiAdmin单页版根据后台json数据动态生成左侧菜单栏

使用模板方式加载菜单

lay-url=“菜单接口”

lay-headers=“将token带入请求头”，如果没有，去掉就行

在模板中使用console.log 示例： {{# console.log(1) }}

layui.data(‘layuiAdmin’).token 调用本地存储的token,token名需要和本地存储对应

json字段名不需要和这里的一样，json字段名改变，模板里面也要相应的修改

<div class="layui-side layui-side-menu">  <div class="layui-side-scroll">    <script type="text/html" template lay-url="https://easy-mock.com/mock/5c131015dada7b27ac3a5c36/titi/treemenu"      lay-headers="{'x-auth-token': layui.data('layuiAdmin').token}"      lay-done="layui.element.render('nav', 'layadmin-system-side-menu');" id="TPL_layout">      <ul class="layui-nav layui-nav-tree" lay-shrink="all" id="LAY-system-side-menu"        lay-filter="layadmin-system-side-menu">        {{#           var path =  layui.router().path          ,dataName = layui.setter.response.dataName;                     layui.each(d[dataName], function(index, item){             var hasChildren = typeof item.list === 'object' && item.list.length > 0            ,classSelected = function(){              if(index == 0){                return hasChildren ? 'layui-nav-itemed' : 'layui-this';              }              return '';            }            ,url = typeof item.href === 'string' ? item.href : item.name;        }}        <li data-name="{{ item.name || '' }}" data-jump="{{ item.href || '' }}"          class="layui-nav-item {{ classSelected() }}">          <a href="javascript:;" {{ hasChildren ? '' : 'lay-href="'+ url +'"' }} lay-tips="{{ item.title }}"            lay-direction="2">            <i class="layui-icon {{ item.icon }}"></i>            <cite>{{ item.title }}</cite>          </a>          {{# if(hasChildren){ }}          <dl class="layui-nav-child">            {{# layui.each(item.list, function(index2, item2){               var hasChildren2 = typeof item2.list == 'object' && item2.list.length > 0              ,classSelected2 = function(){                if(index==0){                  return hasChildren2 ? 'layui-nav-itemed' : 'layui-this';                }                return '';              }              ,url2 = typeof item2.href === 'string'                 ? item2.href               : [item.name, item2.name, ''].join('/');            }}            <dd data-name="{{ item2.name || '' }}" data-jump="{{ item2.href || '' }}"              {{ classSelected2() ? ('class="'+ classSelected2() +'"') : '' }}>              <a href="javascript:;" {{ hasChildren2 ? '' : 'lay-href="'+ url2 +'"' }}>{{ item2.title }}</a>              {{# if(hasChildren2){ }}              <dl class="layui-nav-child">                {{# layui.each(item2.list, function(index3, item3){                       var match = path[0] == item.name && path[1] == item2.name && path[2] == item3.name                      ,url3 = typeof item3.href === 'string'                         ? item3.href                       : [item.name, item2.name, item3.name].join('/')                    }}                <dd data-name="{{ item3.name || '' }}" data-jump="{{ item3.href || '' }}"                  {{ match ? 'class="layui-this"' : '' }}>                  <a href="javascript:;" lay-href="{{ url3 }}">{{ item3.title }}</a>                </dd>                {{# }); }}              </dl>              {{# } }}            </dd>            {{# }); }}          </dl>          {{# } }}        </li>        {{# }); }}      </ul>    </script>  </div></div>

后台返回的json格式（示例）

{  "code": 0  ,"msg": ""  ,"data": [{    "title": "主页"    ,"icon": "layui-icon-home"    ,"list": [{      "title": "控制台"      ,"jump": "/"    }, {      "name": "homepage1"      ,"title": "主页一"      ,"jump": "home/homepage1"    }, {      "name": "homepage2"      ,"title": "主页二"      ,"jump": "home/homepage2"    }]  }, {    "name": "component"    ,"title": "组件"    ,"icon": "layui-icon-component"    ,"list": [{      "name": "grid"      ,"title": "栅格"      ,"list": [{        "name": "list"        ,"title": "等比例列表排列"      },{        "name": "mobile"        ,"title": "按移动端排列"      },{        "name": "mobile-pc"        ,"title": "移动桌面端组合"      },{        "name": "all"        ,"title": "全端复杂组合"      },{        "name": "stack"        ,"title": "低于桌面堆叠排列"      },{        "name": "speed-dial"        ,"title": "九宫格"      }]    }, {      "name": "button"      ,"title": "按钮"    }, {      "name": "form"      ,"title": "表单"      ,"list": [{        "name": "element"        ,"title": "表单元素"      },{        "name": "group"        ,"title": "表单组合"      }]    }, {      "name": "nav"      ,"title": "导航"    }, {      "name": "tabs"      ,"title": "选项卡"    }, {      "name": "progress"      ,"title": "进度条"    }, {      "name": "panel"      ,"title": "面板"    }, {      "name": "badge"      ,"title": "徽章"    }, {      "name": "timeline"      ,"title": "时间线"    }, {      "name": "anim"      ,"title": "动画"    }, {      "name": "auxiliar"      ,"title": "辅助"    }, {      "name": "layer"      ,"title": "通用弹层"      ,"list": [{        "name": "list"        ,"title": "功能演示"      },{        "name": "special-demo"        ,"title": "特殊示例"      },{        "name": "theme"        ,"title": "风格定制"      }]    }, {      "name": "laydate"      ,"title": "日期时间"      ,"list": [{        "name": "demo1"        ,"title": "功能演示一"      },{        "name": "demo2"        ,"title": "功能演示二"      },{        "name": "theme"        ,"title": "设定主题"      },{        "name": "special-demo"        ,"title": "特殊示例"      }]    }, {      "name": "table"      ,"title": "表格"      ,"list": [{        "name": "simple"        ,"title": "简单数据表格"      },{        "name": "auto"        ,"title": "列宽自动分配"      },{        "name": "data"        ,"title": "赋值已知数据"      },{        "name": "tostatic"        ,"title": "转化静态表格"      },{        "name": "page"        ,"title": "开启分页"      },{        "name": "resetPage"        ,"title": "自定义分页"      },{        "name": "toolbar"        ,"title": "开启头部工具栏"      },{        "name": "totalRow"        ,"title": "开启合计行"      },{        "name": "height"        ,"title": "高度最大适应"      },{        "name": "checkbox"        ,"title": "开启复选框"      },{        "name": "radio"        ,"title": "开启单选框"      },{        "name": "cellEdit"        ,"title": "开启单元格编辑"      },{        "name": "form"        ,"title": "加入表单元素"      },{        "name": "style"        ,"title": "设置单元格样式"      },{        "name": "fixed"        ,"title": "固定列"      },{        "name": "operate"        ,"title": "数据操作"      },{        "name": "parseData"        ,"title": "解析任意数据格式"      },{        "name": "onrow"        ,"title": "监听行事件"      },{        "name": "reload"        ,"title": "数据表格的重载"      },{        "name": "initSort"        ,"title": "设置初始排序"      },{        "name": "cellEvent"        ,"title": "监听单元格事件"      },{        "name": "thead"        ,"title": "复杂表头"      }]    }, {      "name": "laypage"      ,"title": "分页"      ,"list": [{        "name": "demo1"        ,"title": "功能演示一"      },{        "name": "demo2"        ,"title": "功能演示二"      }]    }, {      "name": "upload"      ,"title": "上传"      ,"list": [{        "name": "demo1"        ,"title": "功能演示一"      },{        "name": "demo2"        ,"title": "功能演示二"      }]    }, {      "name": "colorpicker"      ,"title": "颜色选择器"    }, {      "name": "slider"      ,"title": "滑块组件"    }, {      "name": "rate"      ,"title": "评分"    }, {      "name": "carousel"      ,"title": "轮播"    }, {      "name": "flow"      ,"title": "流加载"    }, {      "name": "util"      ,"title": "工具"    }, {      "name": "code"      ,"title": "代码修饰"    }, {      "name": "layim"      ,"title": "即时聊天"      ,"jump": "senior/im/"    }]  }, {    "name": "template"    ,"title": "页面"    ,"icon": "layui-icon-template"    ,"list": [{      "name": "personalpage"      ,"title": "个人主页"      ,"jump": "template/personalpage"    },{      "name": "addresslist"      ,"title": "通讯录"      ,"jump": "template/addresslist"    },{      "name": "caller"      ,"title": "客户列表"      ,"jump": "template/caller"    },{      "name": "goodslist"      ,"title": "商品列表"      ,"jump": "template/goodslist"    },{      "name": "msgboard"      ,"title": "留言板"      ,"jump": "template/msgboard"    },{      "name": "search"      ,"title": "搜索结果"      ,"jump": "template/search"    },{      "name": "reg"      ,"title": "注册"      ,"jump": "user/reg"    },{      "name": "login"      ,"title": "登入"      ,"jump": "user/login"    },{      "name": "forget"      ,"title": "忘记密码"      ,"jump": "user/forget"    },{      "name": "404"      ,"title": "404"      ,"jump": "template/tips/404"    },{      "name": "error"      ,"title": "错误提示"      ,"jump": "template/tips/error"    }, {      "name": ""      ,"title": "内嵌页面"      ,"spread": true      ,"list": [{        "name": ""        ,"title": "百度一下"        ,"jump": "/iframe/link/baidu"      }, {        "name": ""        ,"title": "layui官网"        ,"jump": "/iframe/link/layui"      }, {        "name": ""        ,"title": "layuiAdmin官网"        ,"jump": "/iframe/link/layuiAdmin"      }]    }]  }, {    "name": "app"    ,"title": "应用"    ,"icon": "layui-icon-app"    ,"list": [{      "name": "content"      ,"title": "内容系统"      ,"list": [{        "name": "list"        ,"title": "文章列表"      },{        "name": "tags"        ,"title": "分类管理"      },{        "name": "comment"        ,"title": "评论管理"      }]    },{      "name": "forum"      ,"title": "社区系统"      ,"list": [{        "name": "list"        ,"title": "帖子列表"      },{        "name": "replys"        ,"title": "回帖列表"      }]    },{      "name": "message"      ,"title": "消息中心"    },{      "name": "workorder"      ,"title": "工单系统"      ,"jump": "app/workorder/list"    }]  }, {    "name": "senior"    ,"title": "高级"    ,"icon": "layui-icon-senior"    ,"list": [{      "name": "im"      ,"title": "通讯系统"    },{      "name": "echarts"      ,"title": "Echarts集成"      ,"list": [{        "name": "line"        ,"title": "折线图"      },{        "name": "bar"        ,"title": "柱状图"      },{        "name": "map"        ,"title": "地图"      }]    }]  }, {    "name": "user"    ,"title": "用户"    ,"icon": "layui-icon-user"    ,"list": [{      "name": "user"      ,"title": "网站用户"      ,"jump": "user/user/list"    }, {      "name": "administrators-list"      ,"title": "后台管理员"      ,"jump": "user/administrators/list"    }, {      "name": "administrators-rule"      ,"title": "角色管理"      ,"jump": "user/administrators/role"    }]  }, {    "name": "set"    ,"title": "设置"    ,"icon": "layui-icon-set"    ,"list": [{      "name": "system"      ,"title": "系统设置"      ,"spread": true      ,"list": [{        "name": "website"        ,"title": "网站设置"      },{        "name": "email"        ,"title": "邮件服务"      }]    },{      "name": "user"      ,"title": "我的设置"      ,"spread": true      ,"list": [{        "name": "info"        ,"title": "基本资料"      },{        "name": "password"        ,"title": "修改密码"      }]    }]  }, {    "name": "get"    ,"title": "授权"    ,"icon": "layui-icon-auz"    ,"jump": "system/get"  }]}

效果图：

推荐教程：《layui》

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