Axios 请求封装

核心处理

• 请求拦截器
• 响应拦截器
• 通用下载方法

请求封装代码

点击代码展开

import axios from 'axios'
import { Notification, MessageBox, Message, Loading } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { tansParams, blobValidate } from "@/utils/ruoyi";
import cache from '@/plugins/cache'
import { saveAs } from 'file-saver'

let downloadLoadingInstance;
// 是否显示重新登录
export let isRelogin = { show: false };

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 对应国际化资源文件后缀
axios.defaults.headers['Content-Language'] = 'zh_CN'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000
})

// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  // 是否需要防止数据重复提交
  const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
  if (getToken() && !isToken) {
    config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?' + tansParams(config.params);
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
    const requestObj = {
      url: config.url,
      data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
      time: new Date().getTime()
    }
    // 控制提交频率
    const sessionObj = cache.session.getJSON('sessionObj')
    if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
      cache.session.setJSON('sessionObj', requestObj)
    } else {
      const s_url = sessionObj.url;                  // 请求地址
      const s_data = sessionObj.data;                // 请求数据
      const s_time = sessionObj.time;                // 请求时间
      const interval = 1000;                         // 间隔时间(ms)，小于此时间视为重复提交
      if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
        const message = '数据正在处理，请勿重复提交';
        console.warn(`[${s_url}]: ` + message)
        return Promise.reject(new Error(message))
      } else {
        cache.session.setJSON('sessionObj', requestObj)
      }
    }
  }
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    // 二进制数据则直接返回
    if (res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer') {
      return res.data
    }
    if (code === 401) {
      if (!isRelogin.show) {
        isRelogin.show = true;
        MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', { confirmButtonText: '重新登录', cancelButtonText: '取消', type: 'warning' }).then(() => {
          isRelogin.show = false;
          store.dispatch('LogOut').then(() => {
            location.href = process.env.VUE_APP_CONTEXT_PATH + "index";
          })
      }).catch(() => {
        isRelogin.show = false;
      });
    }
      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
    } else if (code === 500) {
      Message({ message: msg, type: 'error' })
      return Promise.reject(new Error(msg))
    } else if (code === 601) {
      Message({ message: msg, type: 'warning' })
      return Promise.reject('error')
    } else if (code !== 200) {
      Notification.error({ title: msg })
      return Promise.reject('error')
    } else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Message({ message: message, type: 'error', duration: 5 * 1000 })
    return Promise.reject(error)
  }
)

// 通用下载方法
export function download(url, params, filename, config) {
  downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
  return service.post(url, params, {
    transformRequest: [(params) => { return tansParams(params) }],
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
    responseType: 'blob',
    ...config
  }).then(async (data) => {
    const isBlob = blobValidate(data);
    if (isBlob) {
      const blob = new Blob([data])
      saveAs(blob, filename)
    } else {
      const resText = await data.text();
      const rspObj = JSON.parse(resText);
      const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
      Message.error(errMsg);
    }
    downloadLoadingInstance.close();
  }).catch((r) => {
    console.error(r)
    Message.error('下载文件出现错误，请联系管理员！')
    downloadLoadingInstance.close();
  })
}

export default service

Echarts图形应用

官网文档 : https://echarts.apache.org (opens new window)

简单应用

点击代码展开

<template>
  <div ref="chartRef" style="height: 450px; background-color: rgb(0,0,0,0.1)"></div>
</template>

<script>
import * as echarts from 'echarts'
import resize from "@/views/dashboard/mixins/resize";
require('echarts/theme/macarons') // echarts theme

export default {
  mixins: [resize],
  data: () => {
    return {
      chart: null
    }
  },
  mounted() {
    this.initChart()
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$refs.chartRef)
      this.setOptions()
    },
    setOptions() {
      this.chart.setOption({
        title: {
          text: 'ECharts 入门示例'
        },
        tooltip: {},
        legend: {
          data: ['销量']
        },
        xAxis: {
          data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
        },
        yAxis: {},
        series: [
          {
            name: '销量',
            type: 'bar',
            data: [5, 20, 36, 10, 10, 20]
          }
        ]
      })
    },
  }
}
</script>

<style scoped lang="scss">

</style>

上传组件

上传组件分两种文件类型处理

• 图片文件
• 通常文件

提示

主要区分图片需要处理预览功能

通常文件上传组件 FileUpload/index.vue

点击展开

<template>
  <div class="upload-file">
    <el-upload
      multiple
      :action="uploadFileUrl"
      :before-upload="handleBeforeUpload"
      :file-list="fileList"
      :limit="limit"
      :on-error="handleUploadError"
      :on-exceed="handleExceed"
      :on-success="handleUploadSuccess"
      :show-file-list="false"
      :headers="headers"
      class="upload-file-uploader"
      ref="fileUpload"
    >
      <!-- 上传按钮 -->
      <el-button size="mini" type="primary">选取文件</el-button>
      <!-- 上传提示 -->
      <div class="el-upload__tip" slot="tip" v-if="showTip">
        请上传
        <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
        <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
        的文件
      </div>
    </el-upload>

    <!-- 文件列表 -->
    <transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
      <li :key="file.url" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList">
        <el-link :href="`${file.url}`" :underline="false" target="_blank">
          <span class="el-icon-document"> {{ getFileName(file.name) }} </span>
        </el-link>
        <div class="ele-upload-list__item-content-action">
          <el-link :underline="false" @click="handleDelete(index)" type="danger">删除</el-link>
        </div>
      </li>
    </transition-group>
  </div>
</template>

<script>
import { getToken } from "@/utils/auth";
import { listByIds, delOss } from "@/api/system/oss";

export default {
  name: "FileUpload",
  props: {
    // 值
    value: [String, Object, Array],
    // 数量限制
    limit: {
      type: Number,
      default: 5,
    },
    // 大小限制(MB)
    fileSize: {
      type: Number,
      default: 5,
    },
    // 文件类型, 例如['png', 'jpg', 'jpeg']
    fileType: {
      type: Array,
      default: () => ["doc", "xls", "ppt", "txt", "pdf"],
    },
    // 是否显示提示
    isShowTip: {
      type: Boolean,
      default: true
    }
  },
  data() {
    return {
      number: 0,
      uploadList: [],
      baseUrl: process.env.VUE_APP_BASE_API,
      uploadFileUrl: process.env.VUE_APP_BASE_API + "/system/oss/upload", // 上传文件服务器地址
      headers: {
        Authorization: "Bearer " + getToken(),
      },
      fileList: [],
    };
  },
  watch: {
    value: {
      async handler(val) {
        if (val) {
          let temp = 1;
          // 首先将值转为数组
          let list;
          if (Array.isArray(val)) {
            list = val;
          } else {
            await listByIds(val).then(res => {
              list = res.data.map(oss => {
                oss = { name: oss.originalName, url: oss.url, ossId: oss.ossId };
                return oss;
              });
            })
          }
          // 然后将数组转为对象数组
          this.fileList = list.map(item => {
            item = { name: item.name, url: item.url, ossId: item.ossId };
            item.uid = item.uid || new Date().getTime() + temp++;
            return item;
          });
        } else {
          this.fileList = [];
          return [];
        }
      },
      deep: true,
      immediate: true
    }
  },
  computed: {
    // 是否显示提示
    showTip() {
      return this.isShowTip && (this.fileType || this.fileSize);
    },
  },
  methods: {
    // 上传前校检格式和大小
    handleBeforeUpload(file) {
      // 校检文件类型
      if (this.fileType) {
        const fileName = file.name.split('.');
        const fileExt = fileName[fileName.length - 1];
        const isTypeOk = this.fileType.indexOf(fileExt) >= 0;
        if (!isTypeOk) {
          this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
          return false;
        }
      }
      // 校检文件大小
      if (this.fileSize) {
        const isLt = file.size / 1024 / 1024 < this.fileSize;
        if (!isLt) {
          this.$modal.msgError(`上传文件大小不能超过 ${this.fileSize} MB!`);
          return false;
        }
      }
      this.$modal.loading("正在上传文件，请稍候...");
      this.number++;
      return true;
    },
    // 文件个数超出
    handleExceed() {
      this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);
    },
    // 上传失败
    handleUploadError(err) {
      this.$modal.msgError("上传文件失败，请重试");
      this.$modal.closeLoading();
    },
    // 上传成功回调
    handleUploadSuccess(res, file) {
      if (res.code === 200) {
        this.uploadList.push({ name: res.data.fileName, url: res.data.url, ossId: res.data.ossId });
        this.uploadedSuccessfully();
      } else {
        this.number--;
        this.$modal.closeLoading();
        this.$modal.msgError(res.msg);
        this.$refs.fileUpload.handleRemove(file);
        this.uploadedSuccessfully();
      }
    },
    // 删除文件
    handleDelete(index) {
      let ossId = this.fileList[index].ossId;
      delOss(ossId);
      this.fileList.splice(index, 1);
      this.$emit("input", this.listToString(this.fileList));
    },
    // 上传结束处理
    uploadedSuccessfully() {
      if (this.number > 0 && this.uploadList.length === this.number) {
        this.fileList = this.fileList.concat(this.uploadList);
        this.uploadList = [];
        this.number = 0;
        this.$emit("input", this.listToString(this.fileList));
        this.$modal.closeLoading();
      }
    },
    // 获取文件名称
    getFileName(name) {
      // 如果是url那么取最后的名字 如果不是直接返回
      if (name.lastIndexOf("/") > -1) {
        return name.slice(name.lastIndexOf("/") + 1);
      } else {
        return name;
      }
    },
    // 对象转成指定字符串分隔
    listToString(list, separator) {
      let strs = "";
      separator = separator || ",";
      for (let i in list) {
        strs += list[i].ossId + separator;
      }
      return strs != "" ? strs.substr(0, strs.length - 1) : "";
    },
  },
};
</script>

<style scoped lang="scss">
.upload-file-uploader {
  margin-bottom: 5px;
}
.upload-file-list .el-upload-list__item {
  border: 1px solid #e4e7ed;
  line-height: 2;
  margin-bottom: 10px;
  position: relative;
}
.upload-file-list .ele-upload-list__item-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: inherit;
}
.ele-upload-list__item-content-action .el-link {
  margin-right: 10px;
}
</style>

图片文件上传组件 ImageUpload/index.vue

点击展开

<template>
  <div class="component-upload-image">
    <el-upload
      multiple
      :action="uploadImgUrl"
      list-type="picture-card"
      :on-success="handleUploadSuccess"
      :before-upload="handleBeforeUpload"
      :limit="limit"
      :on-error="handleUploadError"
      :on-exceed="handleExceed"
      ref="imageUpload"
      :on-remove="handleDelete"
      :show-file-list="true"
      :headers="headers"
      :file-list="fileList"
      :on-preview="handlePictureCardPreview"
      :class="{hide: this.fileList.length >= this.limit}"
    >
      <i class="el-icon-plus"></i>
    </el-upload>

    <!-- 上传提示 -->
    <div class="el-upload__tip" slot="tip" v-if="showTip">
      请上传
      <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
      <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
      的文件
    </div>

    <el-dialog
      :visible.sync="dialogVisible"
      title="预览"
      width="800"
      append-to-body
    >
      <img
        :src="dialogImageUrl"
        style="display: block; max-width: 100%; margin: 0 auto"
      />
    </el-dialog>
  </div>
</template>

<script>
import { getToken } from "@/utils/auth";
import { listByIds, delOss } from "@/api/system/oss";

export default {
  props: {
    value: [String, Object, Array],
    // 图片数量限制
    limit: {
      type: Number,
      default: 5,
    },
    // 大小限制(MB)
    fileSize: {
       type: Number,
      default: 5,
    },
    // 文件类型, 例如['png', 'jpg', 'jpeg']
    fileType: {
      type: Array,
      default: () => ["png", "jpg", "jpeg"],
    },
    // 是否显示提示
    isShowTip: {
      type: Boolean,
      default: true
    }
  },
  data() {
    return {
      number: 0,
      uploadList: [],
      dialogImageUrl: "",
      dialogVisible: false,
      hideUpload: false,
      baseUrl: process.env.VUE_APP_BASE_API,
      uploadImgUrl: process.env.VUE_APP_BASE_API + "/system/oss/upload", // 上传的图片服务器地址
      headers: {
        Authorization: "Bearer " + getToken(),
      },
      fileList: []
    };
  },
  watch: {
    value: {
      async handler(val) {
        if (val) {
          // 首先将值转为数组
          let list;
          if (Array.isArray(val)) {
            list = val;
          } else {
            await listByIds(val).then(res => {
              list = res.data;
            })
          }
          // 然后将数组转为对象数组
          this.fileList = list.map(item => {
            // 此处name使用ossId 防止删除出现重名
            item = { name: item.ossId, url: item.url, ossId: item.ossId };
            return item;
          });
        } else {
          this.fileList = [];
          return [];
        }
      },
      deep: true,
      immediate: true
    }
  },
  computed: {
    // 是否显示提示
    showTip() {
      return this.isShowTip && (this.fileType || this.fileSize);
    },
  },
  methods: {
    // 上传前loading加载
    handleBeforeUpload(file) {
      let isImg = false;
      if (this.fileType.length) {
        let fileExtension = "";
        if (file.name.lastIndexOf(".") > -1) {
          fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
        }
        isImg = this.fileType.some((type) => {
          if (file.type.indexOf(type) > -1) return true;
          if (fileExtension && fileExtension.indexOf(type) > -1) return true;
          return false;
        });
      } else {
        isImg = file.type.indexOf("image") > -1;
      }

      if (!isImg) {
        this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`);
        return false;
      }
      if (this.fileSize) {
        const isLt = file.size / 1024 / 1024 < this.fileSize;
        if (!isLt) {
          this.$modal.msgError(`上传头像图片大小不能超过 ${this.fileSize} MB!`);
          return false;
        }
      }
      this.$modal.loading("正在上传图片，请稍候...");
      this.number++;
    },
    // 文件个数超出
    handleExceed() {
      this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);
    },
    // 上传成功回调
    handleUploadSuccess(res, file) {
      if (res.code === 200) {
        this.uploadList.push({ name: res.data.fileName, url: res.data.url, ossId: res.data.ossId });
        this.uploadedSuccessfully();
      } else {
        this.number--;
        this.$modal.closeLoading();
        this.$modal.msgError(res.msg);
        this.$refs.imageUpload.handleRemove(file);
        this.uploadedSuccessfully();
      }
    },
    // 删除图片
    handleDelete(file) {
      const findex = this.fileList.map(f => f.name).indexOf(file.name);
      if(findex > -1) {
        let ossId = this.fileList[findex].ossId;
        delOss(ossId);
        this.fileList.splice(findex, 1);
        this.$emit("input", this.listToString(this.fileList));
      }
    },
    // 上传失败
    handleUploadError(res) {
      this.$modal.msgError("上传图片失败，请重试");
      this.$modal.closeLoading();
    },
    // 上传结束处理
    uploadedSuccessfully() {
      if (this.number > 0 && this.uploadList.length === this.number) {
        this.fileList = this.fileList.concat(this.uploadList);
        this.uploadList = [];
        this.number = 0;
        this.$emit("input", this.listToString(this.fileList));
        this.$modal.closeLoading();
      }
    },
    // 预览
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.url;
      this.dialogVisible = true;
    },
    // 对象转成指定字符串分隔
    listToString(list, separator) {
      let strs = "";
      separator = separator || ",";
      for (let i in list) {
        if (list[i].ossId) {
          strs += list[i].ossId + separator;
        }
      }
      return strs != "" ? strs.substr(0, strs.length - 1) : "";
    }
  }
};
</script>
<style scoped lang="scss">
// .el-upload--picture-card 控制加号部分
::v-deep.hide .el-upload--picture-card {
    display: none;
}
// 去掉动画效果
::v-deep .el-list-enter-active,
::v-deep .el-list-leave-active {
    transition: all 0s;
}

::v-deep .el-list-enter, .el-list-leave-active {
  opacity: 0;
  transform: translateY(0);
}
</style>

面包屑

显示页面导航路径 , 快速返回之前的任意页面的功能

基于VueRoute应用 , 通过路由中的 meta 标识信息

源码

点击展开

/src/layout/components/Navbar.vue

/src/components/Breadcrumb/index.vue

// 控制面包屑组件 Navbar.vue
<breadcrumb id="breadcrumb-container" class="breadcrumb-container" v-if="!topNav"/>
    
// 面包屑核心 index.vue
<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <!-- 每个面包屑节点都有过渡动画 -->
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item,index) in levelList" :key="item.path">
        <!-- 目录 或 index为最后节点 文本显示 -->
        <span v-if="item.redirect === 'noRedirect' || index == levelList.length - 1" class="no-redirect">{{ item.meta.title }}</span>
        <a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script>
export default {
  data() {
    return {
      levelList: null
    }
  },
  watch: {
    $route(route) {
      // 如果您转到重定向页面，不更新面包屑
      if (route.path.startsWith('/redirect/')) return
      this.getBreadcrumb()
    }
  },
  created() {
    this.getBreadcrumb()
  },
  methods: {
    getBreadcrumb() {
      // 通过路由过滤源信息
      let matched = this.$route.matched.filter(item => item.meta && item.meta.title)
      const first = matched[0]

      if (!this.isDashboard(first)) {
        // 不是首页 , 则追加首页
        matched = [{ path: '/index', meta: { title: '首页' }}].concat(matched)
      }

      this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
    },
    // 首节点是否为 Index
    isDashboard(route) {
      const name = route && route.name
      if (!name) return false
      return name.trim() === 'Index'
    },
    // 路由跳转
    handleLink(item) {
      const { redirect, path } = item
      if (redirect) {
        this.$router.push(redirect)
        return
      }
      this.$router.push(path)
    }
  }
}
</script>

<style lang="scss" scoped>
.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 50px;
  margin-left: 8px;

  .no-redirect {
    color: #97a8be;
    cursor: text;
  }
}
</style>

后端 (路由结构构建)

点击展开

com/ruoyi/web/controller/system/SysLoginController

com/ruoyi/system/service/impl/SysMenuServiceImpl

// contorler层
@GetMapping("/getRouters")
public R<List<RouterVo>> getRouters() {
    Long userId = LoginHelper.getUserId();
    List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
    return R.ok(menuService.buildMenus(menus));
}
// service业务层
@Override
public List<RouterVo> buildMenus(List<SysMenu> menus) {
    List<RouterVo> routers = new LinkedList<>();
    for (SysMenu menu : menus) {
        RouterVo router = new RouterVo();
        router.setHidden("1".equals(menu.getVisible()));
        router.setName(getRouteName(menu));
        router.setPath(getRouterPath(menu));
        router.setComponent(getComponent(menu));
        router.setQuery(menu.getQueryParam());
        // 面包屑元数据构建
        router.setMeta(new MetaVo(menu.getMenuName(), menu.getIcon(), StringUtils.equals("1", menu.getIsCache()), menu.getPath()));
        List<SysMenu> cMenus = menu.getChildren();
        if (CollUtil.isNotEmpty(cMenus) && UserConstants.TYPE_DIR.equals(menu.getMenuType())) {
            // 目录
            router.setAlwaysShow(true);
            router.setRedirect("noRedirect");
            router.setChildren(buildMenus(cMenus));
        } else if (isMenuFrame(menu)) {
            // 首列菜单 (父级为 0 & 类型为菜单 & 不是外链)
            router.setMeta(null);
            List<RouterVo> childrenList = new ArrayList<>();
            RouterVo children = new RouterVo();
            children.setPath(menu.getPath());
            children.setComponent(menu.getComponent());
            children.setName(StringUtils.capitalize(menu.getPath()));
            // 面包屑元数据构建
            children.setMeta(new MetaVo(menu.getMenuName(), menu.getIcon(), StringUtils.equals("1", menu.getIsCache()), menu.getPath()));
            children.setQuery(menu.getQueryParam());
            childrenList.add(children);
            router.setChildren(childrenList);
        } else if (menu.getParentId().intValue() == 0 && isInnerLink(menu)) {
            // 外链
            router.setMeta(new MetaVo(menu.getMenuName(), menu.getIcon()));
            router.setPath("/");
            List<RouterVo> childrenList = new ArrayList<>();
            RouterVo children = new RouterVo();
            String routerPath = innerLinkReplaceEach(menu.getPath());
            children.setPath(routerPath);
            children.setComponent(UserConstants.INNER_LINK);
            children.setName(StringUtils.capitalize(routerPath));
            children.setMeta(new MetaVo(menu.getMenuName(), menu.getIcon(), menu.getPath()));
            childrenList.add(children);
            router.setChildren(childrenList);
        }
        routers.add(router);
    }
    return routers;
}