Implementation code for the like and collection functions in the mini program

The like function and collection function in the mini program are essential, so how to implement the two functions of like and collection? This article will share with you the code implementation of the like function and collection function in the mini program.

Collection function:

focusFavoriteTab: function (e) {
    var that = this;
    var isFocus = that.data.isFocus;
    console.log("isFocus", isFocus)
    var itemId = that.data.itemId;
    if (isFocus) {
      favoriteService.cancel(that, itemId).then((res) => {
        wx.showToast({
          title: "取消收藏",
          icon: 'success',
          duration: 1000
        });
        this.setData({
          isFocus: false,
        });
      })
    } else {
      favoriteService.add(that, itemId).then((res) => {
        wx.showToast({
          title: res.data == 1 ? "收藏成功" : "收藏失败",
          icon: 'success',
          duration: 1000
        });
        this.setData({
          isFocus: true,
        });
      });
    }
  },

Like function:

focuslikeTab: function (e) {
    var that = this;
    var isLike = that.data.isLike;
    let itemDetail = this.data.itemDetail 
    var itemId = that.data.itemId;
    if (isLike) {
      itemService.cancellike(that, itemId).then((res) => {
        wx.showToast({
          title: "点赞取消",
          icon: 'success',
          duration: 1000
        });
        itemDetail.liked--;
        this.setData({
          itemDetail:itemDetail
        });
        this.setData({
          isLike: false,
        });
      })
    } else {
      itemService.addlike(that, itemId).then((res) => {
        wx.showToast({
          title: res.data == 1 ? "点赞成功" : "点赞失败",
          icon: 'success',
          duration: 1000
        });
        itemDetail.liked++;
        this.setData({
          itemDetail: itemDetail
        });
        this.setData({
          isLike: true,
        });
      });
    }
  },

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