vue学习之mintui picker选择器实现省市二级联动

Mint UI 使用文档：https://mint-ui.github.io/docs/#/zh-cn2

Popup弹出框介绍：https://mint-ui.github.io/docs/#/zh-cn2/popup

Picker选择器介绍：https://mint-ui.github.io/docs/#/zh-cn2/picker

Datetime picker日期选择器介绍：https://mint-ui.github.io/docs/#/zh-cn2/datetime-picker

代码如下：

地区数据格式如下：

{
    "code": 200,
    "msg": "获取区域信息成功！",
    "t": {
        "areaList": [
            {
                "上海": [
                    "上海"
                ],
                "北京": [
                    "北京"
                ],
                "广东": [
                    "广州",
                    "深圳"
                ],
                "江苏": [
                    "徐州",
                    "南京"
                ],
                "福建": [
                    "福州"
                ]
            }
        ],
        "provinceCodeList": [
            {
                "上海": [
                    "120001"
                ],
                "北京": [
                    "110001"
                ],
                "广东": [
                    "130001"
                ],
                "江苏": [
                    "130007"
                ],
                "福建": [
                    "0100"
                ]
            }
        ],
        "cityCodeList": [
            {
                "上海": [
                    "120002"
                ],
                "北京": [
                    "110002"
                ],
                "广州": [
                    "130002"
                ],
                "南京": [
                    "130006"
                ],
                "深圳": [
                    "518000"
                ],
                "福州": [
                    "0200"
                ],
                "徐州": [
                    "130009"
                ]
            }
        ]
    }
}