onShareAppMessage

解释：页面的事件处理函数，用户点击右上角转发。

Web 态说明：Web 态小程序暂不支持。

详情参见页面相关事件处理函数。    

示例 

在开发者工具中打开

代码示例 1

<view class="wrap">
    <view class="card-area">
        <view class="tip-week">发送内容（以下字段可自由适配）</view>
        <view class="list-area">
            <view class="list-item-key-4">标题</view>
            <input class="list-item-value" bindinput="dataInput" data-type="title" value="{{shareData.title}}" type="text" placeholder="请输入key" />
        </view>
        <view class="list-area">
            <view class="list-item-key-4">内容</view>
            <input class="list-item-value" bindinput="dataInput" data-type="content" value="{{shareData.content}}" type="text" placeholder="请输入key" />
        </view>
        <view class="list-area">
            <view class="list-item-key-4">跳转页面</view>
            <input class="list-item-value" bindinput="dataInput" data-type="path" value="{{shareData.path}}" type="text" placeholder="请输入key" />
        </view>
        <button type="primary" open-type="share" hover-stop-propagation="true">点击打开分享面板</button>
        <view class="tip-week">点击右上角菜单或者点击button转发给好友</view>
    </view>
</view>

Page({
    data: {
        shareData: {
            title: '小程序标题',
            content: '世界很复杂，百度更懂你',
            path: 'api/onShareAppMessage/onShareAppMessage'
        }
    },

    onShareAppMessage() {
        this.data.shareData.path += '?fr=shareApp';
        return this.data.shareData;
    },

    dataInput(e) {
        let type = e.currentTarget.dataset.type;
        let dataInput = e.detail.value;
        switch (type) {
            case 'title': {
                let title = 'shareData.title';
                this.setData({
                    [title]: dataInput
                });
                break;
            }
            case 'content': {
                let content = 'shareData.content';
                this.setData({
                    [content]: dataInput
                });
                break;
            }
            case 'path': {
                let path = 'shareData.path';
                this.setData({
                    [path]: dataInput
                });
                break;
            }
        }
    }
});