twong329/view/xcx/pages/user_spread_code/index.js

// pages/distribution-posters/index.js

import {
    spreadBanner,
    userShare
} from '../../api/user.js';

const app = getApp();

Page({
    /**
     * 页面的初始数据
     */
    data: {
        parameter: {
            'navbar': '1',
            'return': '1',
            'title': '推广海报'
        },
        imgUrls: [],
        indicatorDots: false,
        circular: false,
        autoplay: false,
        interval: 3000,
        duration: 500,
        swiperIndex: 0,
        spreadList: [],
        userInfo: {},
        poster: '',
    },

    onLoadFun: function (e) {
        this.setData({
            userInfo: e.detail
        });
        this.userSpreadBannerList();
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {

    },

    bindchange(e) {
        var spreadList = this.data.spreadList;
        this.setData({
            swiperIndex: e.detail.current,
            poster: spreadList[e.detail.current].poster,
        })
    },

    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady: function () {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow: function () {
        this.data.isClone && this.userSpreadBannerList();
    },

    savePosterPath: function () {
        var that = this;
        wx.downloadFile({
            url: that.data.poster,
            success(resFile) {
                if (resFile.statusCode === 200) {
                    wx.getSetting({
                        success(res) {
                            if (!res.authSetting['scope.writePhotosAlbum']) {
                                wx.authorize({
                                    scope: 'scope.writePhotosAlbum',
                                    success() {
                                        wx.saveImageToPhotosAlbum({
                                            filePath: resFile.tempFilePath,
                                            success: function (res) {
                                                return app.Tips({
                                                    title: '保存成功'
                                                });
                                            },
                                            fail: function (res) {
                                                return app.Tips({
                                                    title: res.errMsg
                                                });
                                            },
                                            complete: function (res) {},
                                        })
                                    },
                                    fail() {
                                        wx.showModal({
                                            title: '您已拒绝获取相册权限',
                                            content: '是否进入权限管理，调整授权？',
                                            success(res) {
                                                if (res.confirm) {
                                                    wx.openSetting({
                                                        success: function (res) {
                                                            console.log(res.authSetting)
                                                        }
                                                    });
                                                } else if (res.cancel) {
                                                    return app.Tips({
                                                        title: '已取消！'
                                                    });
                                                }
                                            }
                                        })
                                    }
                                })
                            } else {
                                wx.saveImageToPhotosAlbum({
                                    filePath: resFile.tempFilePath,
                                    success: function (res) {
                                        return app.Tips({
                                            title: '保存成功'
                                        });
                                    },
                                    fail: function (res) {
                                        return app.Tips({
                                            title: res.errMsg
                                        });
                                    },
                                    complete: function (res) {},
                                })
                            }
                        },
                        fail(res) {

                        }
                    })
                } else {
                    return app.Tips({
                        title: resFile.errMsg
                    });
                }
            },
            fail(res) {
                return app.Tips({
                    title: res.errMsg
                });
            }
        })
    },
    userSpreadBannerList: function () {
        var that = this;
        wx.showLoading({
            title: '获取中',
            mask: true,
        })
        spreadBanner().then(res => {
            wx.hideLoading();
            that.setData({
                spreadList: res.data,
                poster: res.data[0].poster
            });
        }).catch(err => {
            wx.hideLoading();
        });
    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide: function () {
        this.setData({
            isClone: true
        });
    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload: function () {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh: function () {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom: function () {

    },
    
    /**
     * 用户点击右上角分享
     */
    onShareAppMessage: function () {
        userShare();
        return {
            title: this.data.userInfo.nickname + '-分销海报',
            imageUrl: this.data.spreadList[0],
            path: '/pages/index/index?spid=' + this.data.userInfo.uid,
        };
    }
})