25.微信小程序（组件--收藏案例）

╰+攻爆jí腚メ 2023-06-18 04:00 34阅读 0赞

# 微信小程序（组件–收藏案例） #

# 前言 #

本节主要介绍下常见的收藏功能的实现  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70]

# 需求分析 #

样式分析：  
未收藏时为灰色态，点击收藏按钮，图标变色，同时弹框实体收藏成功；  
收藏成功后，点击已收藏的商品，取消收藏，此时图标恢复为灰色态，同时弹框提示取消收藏成功。

逻辑分析：  
每个商品单独绑定个数据，负责管理收藏状态，点击时判断状态，然后切换

# 收藏功能 #

（1）先将图片静态样式写入  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 1]

（1）先将图片静态样式写入  
因为收藏按钮是在商品展示栏上一层，所以可以用绝对定位到右下角，此时点击便不会跳页  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 2]

（1）先将图片静态样式写入  
接下来绑定数据

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 3]

（2）改动商品收藏状态值  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 4]

（3）指向性修改商品收藏状态  
目前为止，点击收藏时会修改所有商品收藏状态，所以接下来添加判断  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 5]

（4）添加取消收藏操作  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 6]

（5）添加用户界面反馈操作  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 7]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTU4Mjg0Ng_size_16_color_FFFFFF_t_70 8]

# 如有问题或者疑问请留言联系小编！！！！ #

# 感谢来访！！！ #

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