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551 lines
16 KiB
551 lines
16 KiB
import { wxRequestPost, wxGetSetting } from "@utils/promise-wx-api";
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import { doAfterLogin } from "@utils/tools";
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import promiseWxApi from "@utils/promise-wx-api";
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const app = getApp()
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Component({
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// behaviors: [ computedBehavior, commonBehavior],
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properties: {},
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data: {
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groupId:"",
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groupDetail:{
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groupName:"",//小组名称
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groupHeadPhoto:"",//小组头像
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groupIntroduction:"",//小组介绍
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groupCodeUrl:"",//小组二维码路径
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showName:"",//小组创建人称谓(街道-姓氏+称谓)
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},
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iniLoaded: false,
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showBtn:false,
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showBtnQrcode:false,
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menuList: [
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// {
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// name: "审核中",
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// value: 0,
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// },
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{
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name: "海报",
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value: 0,
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},
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{
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name: "小组码",
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value: 1,
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}
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],
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current: 0, // 海报 poster 小组码 qrcode
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windowWidth: 0, //屏幕宽度
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windowHeight: 0,//屏幕高度
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boxheight: 0,//内容高度
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qrCode: "https://wanmi-b2b.oss-cn-shanghai.aliyuncs.com/201901310959076784.jpeg", //小程序码https图片路径
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bgImg:"/subpages/group/images/group-bg.jpg",
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photoImg:"",
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codeContent:"【长按识别或扫码入组】",
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},
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lifetimes: {
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attached: async function () {
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},
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detached: function () {
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},
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},
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//computed: {},
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//watch: {},
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methods: {
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onLoad(options) {
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console.log(options.gid)
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let groupId = options.gid
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this.setData({
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groupId
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})
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this.init()
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},
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async init(){
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await doAfterLogin();
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// 获取小组信息
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await this.getGroupDetail()
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// 设置图片各部分 长、宽、起点位置
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await this.createPosition()
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//网络图片转为本地图片，直接显示网络图片的话，真机不显示
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await this.getPhotoImg();
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},
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// 获取小组信息
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async getGroupDetail(){
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const { groupId } = this.data;
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let { groupDetail } = this.data;
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const url="resi/group/resigroupcode/groupcodebasicinfo"
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// const url="https://nei.netease.com/api/apimock-v2/e3b1d0eb88e905f6c7ee559b2d6bb7ad/resi/group/resigroupcode/groupcodebasicinfo"
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const params={
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customerId:app.globalData.customerId,
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gridId:app.globalData.gridId,
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groupId
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}
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const {
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msg,
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data: {
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data: { code, data },
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},
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} = await wxRequestPost(
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url,
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params,
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{
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isQuiet: false,
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}
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);
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if (msg === "success" && code === 0) {
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groupDetail = data
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this.setData({ groupDetail });
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}
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},
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// 设置图片各部分 长、宽、起点位置
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async createPosition(){
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let that = this;
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//获取设备信息高度。计算出其他的高度等
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wx.getSystemInfo({
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success: function (res) {
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const windowWidth = res.windowWidth //设备宽度
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const windowHeight = res.windowHeight //设备高度
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const margin = 20 //整个海报距离左右边距
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//原型比例 650 : 800 13:16
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const boxWidth = windowWidth - margin * 2 //图片宽度
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const boxheight = windowHeight - 40 - 40 - 20 - 20 - 20 //设备高度 - topbar高度 - 按钮高度 - 上边距 - 下边距 - 标题高度
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const boxheight2 = windowHeight - 40 - 40 - 20 - 100 - 20 //设备高度 - topbar高度 - 按钮高度 - 上边距 - 下边距 - 标题高度
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//背景图片
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const bgImgX = ( windowWidth - boxWidth ) / 2 //x轴位置
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const bgImgY = windowWidth * 0.081 //y轴位置
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const bgImgWidth = boxWidth //宽度
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const bgImgHeight = boxheight * 0.27 //高度 279/900
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//头像图片
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const radius = bgImgHeight * 0.25 //半径 55/279
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const photoCenterX = windowWidth / 2
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const photoCenterY = bgImgY + radius + bgImgHeight * 0.1 // 60/279
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const photoWidth = 2 * radius
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const photoHeight = 2 * radius
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const photoStartX = bgImgX + ( boxWidth - photoWidth ) / 2
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const photoStartY = photoCenterY - radius
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//小组名称文字
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const groupNameY = photoStartY + photoHeight + bgImgHeight * 0.2 // 19/279
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//小组介绍文字
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const groupStart = 35 //文字距离左边距离
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const groupIntrX = bgImgX + groupStart
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const groupIntrY = bgImgY + bgImgHeight + 30
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const groupIntrWidth = bgImgWidth - groupStart * 2
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const groupIntrHeight = boxheight * 0.23 // 351/900
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//二维码图片---图1
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const codeWidth = boxheight * 0.28 // 300/900
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const codeHeight = codeWidth //小程序码图片高度 同宽度
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const codeX = bgImgX + ( boxWidth - codeWidth ) / 2
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const codeY = groupIntrY + groupIntrHeight + boxheight * 0.022 // 20/900
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//二维码描述文字
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const codeContentY = codeY + codeHeight + boxheight * 0.03 // 21/900
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//二维码图片---图2
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//const margin2 = 30
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const codeWidth2 = boxheight2 * 0.6 // 480/800
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const codeHeight2 = codeWidth2 //小程序码图片高度 同宽度
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const codeX2 = bgImgX + ( boxWidth - codeWidth2 ) / 2
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const codeY2 = bgImgY + boxheight2 * 0.09 // 74/800
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//组名 --图2
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const groupNameY2 = codeY2 + codeHeight2 + boxheight2 * 0.15 // 39/800
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//二维码描述文字 --图2
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const codeContentY2 = groupNameY2 + boxheight2 * 0.07 // 20/800
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that.setData({
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windowWidth,
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windowHeight,
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boxWidth, //分享图片box宽度
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boxheight, //分享图片box高度
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boxheight2,//小组码画布的高度
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//背景图片
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bgImgWidth,
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bgImgHeight,
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bgImgX,
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bgImgY,
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//头像图片
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radius,
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photoCenterX,
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photoCenterY,
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photoWidth,
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photoHeight,
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photoStartX,
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photoStartY,
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//小组名称文字
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groupNameY,
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//小组介绍
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groupIntrX,
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groupIntrY,
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groupIntrWidth,
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groupIntrHeight,
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//二维码图片
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codeWidth,
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codeHeight,
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codeX,
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codeY,
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//二维码描述文字
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codeContentY,
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//二维码--图片2
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codeWidth2,
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codeHeight2,
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codeX2,
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codeY2,
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//组名 --图2
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groupNameY2,
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//二维码描述文字 --图2
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codeContentY2
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});
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}
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});
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},
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// 下载小组头像
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async getPhotoImg() {
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const {
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msg,
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data: { tempFilePath },
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} = await promiseWxApi("downloadFile")({
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url: this.data.groupDetail.groupHeadPhoto,
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});
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if (msg == "success") {
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this.setData({
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photoImg: tempFilePath
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});
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//继续生成小组码图片
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this.getQrcodeImg();
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}
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},
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// 下载小组码
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async getQrcodeImg() {
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const {
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msg,
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data: { tempFilePath },
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} = await promiseWxApi("downloadFile")({
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url: this.data.groupDetail.groupCodeUrl,
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});
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if (msg == "success") {
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this.setData({
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qrCode: tempFilePath
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});
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//生成poster
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this.createPoster();
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this.createQrcode();
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}
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},
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// 创建海报
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createPoster () {
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let that = this;
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let ctx = wx.createCanvasContext("canvasPoster");
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that.drawSquare(ctx,that.data.boxheight);
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//背景图片
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ctx.drawImage(
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that.data.bgImg,
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that.data.bgImgX,
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that.data.bgImgY,
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that.data.bgImgWidth,
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that.data.bgImgHeight
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);
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//头像
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that.drawPhoto(ctx)
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//小组名称文字
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ctx.setFontSize(15);
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ctx.setFillStyle("#FFFFFF");
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const groupName = that.data.groupDetail.groupName
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// ctx.font = "normal normal 26px PingFang SC;";
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const groupNameX = that.data.bgImgX + ( that.data.boxWidth - ctx.measureText(groupName).width ) /2
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ctx.fillText(
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groupName,
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groupNameX,
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that.data.groupNameY
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);
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that.drawIntroduction(ctx)
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// 小组码图片
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ctx.drawImage(
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that.data.qrCode,
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that.data.codeX,
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that.data.codeY,
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that.data.codeWidth,
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that.data.codeHeight
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);
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// 小组码文字
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ctx.setFontSize(11);
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ctx.setFillStyle("#999999");
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// ctx.font = "normal normal 26px PingFang SC;";
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const codeContentX = that.data.bgImgX + ( that.data.boxWidth - ctx.measureText(that.data.codeContent).width ) /2
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ctx.fillText(
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that.data.codeContent,
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codeContentX,
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that.data.codeContentY
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);
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// ctx.draw(); //绘制到canvas
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ctx.draw(true, this.drawPosterEnd(that))
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},
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// 创建二维码
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createQrcode(){
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let that = this;
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let ctx2 = wx.createCanvasContext("canvasQrcode");
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that.drawSquare(ctx2,that.data.boxheight2);
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// 小组码图片
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ctx2.drawImage(
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that.data.qrCode,
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that.data.codeX2,
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that.data.codeY2,
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that.data.codeWidth2,
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that.data.codeHeight2
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);
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//小组名称文字
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ctx2.setFontSize(17);
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ctx2.setFillStyle("#333333");
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const groupName = that.data.groupDetail.groupName
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// ctx2.font = "normal normal 26px PingFang SC;";
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const groupNameX = that.data.bgImgX + ( that.data.boxWidth - ctx2.measureText(groupName).width ) /2
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ctx2.fillText(
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groupName,
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groupNameX,
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that.data.groupNameY2
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);
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// 小组码文字
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ctx2.setFontSize(13);
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ctx2.setFillStyle("#999999");
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// ctx2.font = "normal normal 26px PingFang SC;";
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const codeContentX = that.data.bgImgX + ( that.data.boxWidth - ctx2.measureText(that.data.codeContent).width ) /2
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ctx2.fillText(
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that.data.codeContent,
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codeContentX,
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that.data.codeContentY2
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);
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ctx2.draw(true, this.drawQrcodeEnd(that))
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},
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//画矩形，也是整块画布的大小，宽度是屏幕宽度，高度根据内容多少来动态设置。
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drawSquare (ctx,height) {
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let that = this;
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ctx.rect(
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that.data.bgImgX,
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that.data.bgImgY,
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that.data.boxWidth,
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height
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);
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ctx.setFillStyle("#fff");
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ctx.fill();
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},
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drawPosterEnd(that){
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console.log("drawend11111111111111111111")
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that.setData({
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iniLoaded: true,
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showBtn:true
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});
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},
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drawQrcodeEnd(that){
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console.log("drawend222222222222222222222")
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that.setData({
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showBtnQrcode:true
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});
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},
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drawPhoto(ctx){
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let that = this
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let rate = that.data.windowWidth / 750;
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ctx.save(); //保存原有的画图
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ctx.beginPath() //重新开始
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ctx.arc( //绘制圆心坐标为(350,132),半径为66的圆
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Math.floor(that.data.photoCenterX),
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Math.floor(that.data.photoCenterY),
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Math.floor(that.data.radius),
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0,
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2 * Math.PI
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);
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ctx.clip() //裁剪
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ctx.drawImage( //定位在圆圈范围内便会出现
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that.data.photoImg, //图片暂存路径
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Math.floor(that.data.photoStartX),
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Math.floor(that.data.photoStartY),
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Math.floor(that.data.photoWidth),
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Math.floor(that.data.photoHeight)
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);
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ctx.restore()
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ctx.draw()
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},
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drawIntroduction(ctx){
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const that = this
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const str = that.data.groupDetail.groupIntroduction;
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// const str = "我是介绍，我是介绍我是介绍我是介绍我是介绍我是介绍我是介绍我是介绍我是介绍，我是介绍我是介绍，我是介绍我是介绍我是介绍我是介绍。啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊，呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜呜，"
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const groupIntrWidth = that.data.groupIntrWidth
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ctx.setFontSize(16);
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ctx.setFillStyle("#333333");
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let chr =str.split("");//这个方法是将一个字符串分割成字符串数组
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let temp = "";
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let row = [];
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for (let a = 0; a < chr.length; a++) {
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if (ctx.measureText(temp).width < groupIntrWidth) {
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temp += chr[a];
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}
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else {
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a--; //这里添加了a-- 是为了防止字符丢失，效果图中有对比
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row.push(temp);
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temp = "";
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}
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}
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row.push(temp);
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//如果数组长度大于num 则截取前num个
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const num = 4
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if (row.length > num) {
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let rowCut = row.slice(0, num);
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let rowPart = rowCut[num-1];
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let test = "";
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let empty = [];
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for (let a = 0; a < rowPart.length; a++) {
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if (ctx.measureText(test).width < groupIntrWidth - 30 ) {
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test += rowPart[a];
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}
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else {
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break;
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}
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}
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empty.push(test);
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let group = empty[0] + "..."//这里只显示两行，超出的用...表示
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rowCut.splice(num-1, 1, group);
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row = rowCut;
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}
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for (let b = 0; b < row.length; b++) {
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ctx.fillText(row[b], this.data.groupIntrX, this.data.groupIntrY + b * 22, 300);
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}
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},
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//点击保存到相册
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saveImg: function () {
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const canvasId = this.data.current===0 ? 'canvasPoster' : 'canvasQrcode'
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wx.showLoading({
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title: '正在保存',
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mask: true,
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})
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setTimeout(() => {
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wx.canvasToTempFilePath({
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canvasId: canvasId,
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x: this.data.bgImgX,
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y: this.data.bgImgY,
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width: this.data.bgImgWidth,
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height: this.data.current===0 ? this.data.boxheight : this.data.boxheight2,
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success: function (res) {
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wx.hideLoading();
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let tempFilePath = res.tempFilePath;
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wx.saveImageToPhotosAlbum({
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filePath: tempFilePath,
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success(res) {
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// utils.aiCardActionRecord(19);
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wx.showModal({
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content: '图片已保存到相册',
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showCancel: false,
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confirmText: '好的',
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confirmColor: '#333',
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success: function (res) {
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if (res.confirm) { }
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},
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fail: function (res) {
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wx.showToast({
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title: "保存失败,请重试",
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icon: 'none',
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duration: 2000
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})
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}
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})
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},
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fail: function (res) {
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wx.showToast({
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title: "保存失败，请在小程序设置中打开相册使用权限",
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icon: 'none',
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duration: 2000
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})
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}
|
|
})
|
|
}
|
|
});
|
|
}, 1000);
|
|
},
|
|
|
|
handleSwiperChange(e) {
|
|
const {
|
|
detail: { current, source },
|
|
} = e;
|
|
|
|
if (source == "touch") {
|
|
this.setData({ current });
|
|
}
|
|
},
|
|
|
|
// 点击顶部菜单
|
|
handleShiftMenu(e) {
|
|
const {
|
|
detail: { value },
|
|
} = e;
|
|
|
|
this.setData({ current: value });
|
|
},
|
|
},
|
|
});
|
|
|