// 搜索
    sousuo() {
      this.userxinxi = this.restaurants
      if (!(this.userid === '')) {
        this.userxinxi = this.userxinxi.filter(data => {
          if (data.id === this.userid) {
            return true
          }
        })
      }
      if (!(this.username === '')) {
        this.userxinxi = this.userxinxi.filter(data => {
          if (data.username === this.username) {
            return true
          }
        })
      }
      if (!(this.leibie === '')) {
        this.userxinxi = this.userxinxi.filter(data => {
          if (data.roles === this.leibie) {
            return true
          }
        })
      }
      if (this.leibie === '' && this.userid === '' && this.username === '') {
        this.userxinxi = this.restaurants
      }
    },