// custom-tab-bar/index.js
Component({
  data: {
    selected: 0, // 当前选中的 tab 索引
    color: "#999999",
    selectedColor: "#F7393F",
    list: [
      { 
        text: "首页", 
        pagePath: "/pages/Home/Home", 
        iconPath: "/assets/taddar/首页.png", 
        selectedIconPath: "/assets/taddar/首页 (1).png" 
      },
      { 
        text: "反酸模型", 
        pagePath: "/pages/Soil Acidification/Soil Acidification", 
        iconPath: "/assets/taddar/chart-histogram (1).png", 
        selectedIconPath: "/assets/taddar/chart-histogram.png" 
      },
      { 
        text: "降酸模型", 
        pagePath: "/pages/Soil Deacidification/Soil Deacidification", 
        iconPath: "/assets/taddar/Data_Visualization-active.png", 
        selectedIconPath: "/assets/taddar/Data_Visualization.png" 
      },
      { 
        text: "人员中心", 
        pagePath: "/pages/Staff/Staff", 
        iconPath: "/assets/taddar/users-copy.png", 
        selectedIconPath: "/assets/taddar/copy.png" 
      }
    ]
  },
  attached() {
    // 可在此设置初始选中项
  },
  methods: {
    switchTab(e) {
      const { index, path } = e.currentTarget.dataset;
      wx.switchTab({
        url: path,
      });
      this.setData({
        selected: index, // 更新当前选中的 tab 索引
      });
    },
  },
});