<mt-cell title="开关状态">
  <mt-switch v-model="openValue" @change="changeStatus"></mt-switch>
</mt-cell>

<mt-navbar v-model="selected" >
  <mt-tab-item id="1">选项一</mt-tab-item>
  <mt-tab-item id="2">选项二</mt-tab-item>
</mt-navbar>
<mt-tab-container v-model="selected">
  <mt-tab-container-item id="1">
    <div v-infinite-scroll="loadMore"
        infinite-scroll-disabled="loading"
        infinite-scroll-distance="10"
        class="content"
    >
    </div>
  </mt-tab-container-item>
  <mt-tab-container-item id="2">
    <div v-infinite-scroll="loadMoreReceive"
        infinite-scroll-disabled="loadingReceive"
        infinite-scroll-distance="10"
        class="content"
    >
    </div>
  </mt-tab-container-item>
</mt-tab-container>

<div v-infinite-scroll="loadMore"
  infinite-scroll-disabled="loading"
  infinite-scroll-distance="10"
  class="content"
  v-if="selected == 1"
>

getRegion(){
  var root=this;
  <!-- 通过/region 接口获取三级地址，然后存入regionArr -->
  http.get("/region").then(function (data) {
    root.regionArr=data.data.data;
    <!-- 存放省 -->
    for(var i=0;i<root.regionArr.length;i++){
      root.region_province[i]=root.regionArr[i].value;
    }
    <!-- 存放市 -->
    for(var i=0;i<root.regionArr[0].children.length;i++){
      root.region_city[i]=root.regionArr[0].children[i].value;
    }
    <!-- 存放区 -->
    for(var i=0;i<root.regionArr[0].children[0].children.length;i++){
      root.region_zone[i]=root.regionArr[0].children[0].children[i].value;
    }
    root.region=[
      {
        flex: 1,
        values: root.region_province,
        textAlign: 'left',
        className:'picker_Slot'

      },
      {
        divider: true,
        content: '-',
        className: 'slot2'
      },
      {
        flex: 1,
        values: root.region_city,
        textAlign: 'center',
        className:'picker_Slot'
      },
      {
        divider: true,
        content: '-',
        className: 'slot2'
      },
      {
        flex: 1,
        values: root.region_zone,
        textAlign: 'right',
        className:'picker_Slot'
      }
    ]

  });

},

onValuesChange(picker, values) {
  var root=this;
  var str_1=[];
  var str_2=[];
  for(var i in root.regionArr){
    // 获取省，并重置市级名称
    if(root.regionArr[i].value == values[0]){
      for(var j in root.regionArr[i].children){
        str_1.push(root.regionArr[i].children[j].value);
        // 获取市级，并重置区级的名称
        if(root.regionArr[i].children[j].value == values[1]){
          // 当市级下不存在区名市，置空。
          if(root.regionArr[i].children[j].children != null){
            for(var k in root.regionArr[i].children[j].children){
              str_2.push(root.regionArr[i].children[j].children[k].value);
            }
          }else{
            str_2.push(" ");
          }
        }
      }
      picker.setSlotValues(1, str_1);
      picker.setSlotValues(2, str_2);
    }
  }

  // 赋值，初始时置为上一页返回的值
  root.$set(root.printerMessage,'province',values[0] == null ? root.printerMessage.province : values[0]);
  root.$set(root.printerMessage,'city',values[1] == null ? root.printerMessage.city : values[1]);
  root.$set(root.printerMessage,'area',values[2] == null ? root.printerMessage.area : values[2]);
}