               required: true,
                  message: '请选择地区',
                  trigger: 'blur'
                }
              ]
            }]
        }
      }
    },
    watch: {
      'obj.selects'() {
        console.log(1);
      }
    },
    mounted() {
      this.obj = {
        switch: '1',
        selects: '0,1',
        name: 'small',
        cascader: [0, 1],
        number: 1,
        tree: [2],
        checkbox: ['110000'],
        province: '220000',
        city: '220700',
  