<text bindlongtap='copy' data-name='{{name}}'>{{item.name}}</text>

copy(e) {

        var that = this;

        wx.setClipboardData({

            data: e.currentTarget.dataset.name,

            success: function (res) {

                wx.showToast({

                    title: '复制成功',

                    icon: 'success',

                    duration: 1200,

                    mask: true

                });

            }

        });

    },