银花优选微信小程序修改后的最新版本代码
This commit is contained in:
ss001
310
pages/mybusiness/index.js
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310
pages/mybusiness/index.js
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var app = getApp()
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var that=null
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var sopenFrame=null
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var mCanvas
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Page( {
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data: {
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loadingHidden:false,
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ewmpic:"",
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width:300,
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height:400,
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sjylmoney: 0,
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smzemoney: 0,
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zsymoney: 0,
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jrmoney:0,
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zrmoney:0,
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IFDefault:false,
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savetitle:"保存商家收款码到相册"
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},
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onLoad: function() {
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that = this
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that.rdata()
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}, // 下拉刷新
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onPullDownRefresh: function () {
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that.rdata()
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},rdata: function() {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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var userInfodata = wx.getStorageSync("userInfo")
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var userInfo = JSON.parse(userInfodata)
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wx.request({
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url: app.globalData.apiurl + "/xapiajax.ashx",
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data: {
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action:"getmybusinessdata",
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userId:(!userId?"":userId),
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LoginId:(!LoginId?"":LoginId)
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},
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method:"GET",
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dataType:"json",
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success (res) {
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if(res.data.status==1){
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that.setData({
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sjylmoney: res.data.sjylmoney,
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smzemoney: res.data.smzemoney,
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zsymoney: res.data.zsymoney,
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jrmoney:res.data.jrmoney,
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zrmoney:res.data.zrmoney,
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IFDefault:(res.data.userInfo.Paypush==1?true:false),
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width:300,
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height:400,
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loadingHidden:true
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})
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wx.createSelectorQuery().select('#myCanvas')
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.fields({ node: true, size: true })
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.exec((res0) => {
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let textCanvas = res0[0].node; // 重点1
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mCanvas=textCanvas
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let textCtx = textCanvas.getContext('2d'); // 重点2
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const dpr = wx.getSystemInfoSync().pixelRatio
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var w=res0[0].width
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var h=res0[0].height
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textCanvas.width = w * dpr
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textCanvas.height = h * dpr
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textCtx.scale(dpr, dpr)
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textCtx.clearRect(0,0,textCanvas.width,textCanvas.height)
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textCtx.beginPath();
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//绘制背景
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textCtx.fillStyle = '#fff'
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textCtx.clearRect(0,0, textCanvas.width, textCanvas.height)
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textCtx.fillRect(0, 0, textCanvas.width, textCanvas.height)
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const bg = textCanvas.createImage();
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bg.src = '../../images/skm.png';
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bg.onload = () => {
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textCtx.drawImage(bg, 0, 0, w, h)
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let text1 = res.data.sjname
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let len=((w-text1.length*20)/2)
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textCtx.fillStyle = "#000";
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textCtx.font = "22px Arial";
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textCtx.fontWeight = 'bold'
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//textCtx.textAlign = 'center'
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that.getWarpText(textCtx, text1, len, 100, w, 52, 1)
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if(res.data.ewmpic!=""){
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const bg0 = textCanvas.createImage();
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bg0.src = res.data.ewmpic;
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bg0.onload = () => {
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textCtx.drawImage(bg0, ((w-145)/2), 130, 145, 145)
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}
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}
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}
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})
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}else{
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}
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}
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})
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},onxz: function(e) {
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that.setData({
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savetitle:"保存中，请稍候..."
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})
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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wx.canvasToTempFilePath({
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canvasId: "myCanvas",
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destWidth: 520,
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destHeight: 720,
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canvas: mCanvas,
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success: function(res0) {
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// 获取图片路径
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const tempFilePath = res0.tempFilePath;
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wx.saveImageToPhotosAlbum({
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filePath: tempFilePath,
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success(res) {
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console.log(res);
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wx.showModal({
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title: '图片保存成功',
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content: '图片成功保存到相册了，去发圈噻~',
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showCancel: false,
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confirmText: '好哒',
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confirmColor: '#72B9C3',
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success: function (res0) {
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if (res0.confirm) {
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}
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that.setData({
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QRcodeHidden: true,
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savetitle:"保存商家收款码到相册"
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})
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}
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})
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}
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})
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},
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fail: function(err) {
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wx.showToast({
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title: err,
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icon: "none",
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duration: 10000
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})
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}
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})
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},onsmlog: function(e) {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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var userInfodata = wx.getStorageSync("userInfo")
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if(userId&&LoginId&&userInfodata){
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var t = e.currentTarget.dataset.id
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wx.navigateTo({
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url: "../mybusiness_smlog/index?t=" + t
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})
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}else{
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wx.navigateTo({
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url: "../login/index"
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})
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}
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},onzzlog:function(e) {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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if(!userId||!LoginId){
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wx.navigateTo({
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url: "../login/index"
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})
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}else{
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wx.navigateTo({
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url: "../zzjf_log/index"
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})
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}
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},changeisDefault:function(e) {
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var t = (e.detail.value==true?1:0)
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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wx.request({
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url: app.globalData.apiurl + "/xapiajax.ashx",
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data: {
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action:"updatePaypush",
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userId:(!userId?"":userId),
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LoginId:(!LoginId?"":LoginId),
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t:t
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},
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method:"POST",
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dataType:"json",
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header: {
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"content-type": "application/x-www-form-urlencoded" // 默认值
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},
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success (res) {
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if(res.data.status==1){
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wx.showToast({
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title: res.data.msg,
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icon: "success",
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duration: 3000
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})
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wx.setStorageSync('userInfo', JSON.stringify(res.data.userInfo))
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that.rdata()
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}else{
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wx.showToast({
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title: res.data.msg,
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icon: "none",
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duration: 3000
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})
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}
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}
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})
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},onsjzl:function(e) {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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if(!userId||!LoginId){
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wx.navigateTo({
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url: "../login/index"
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})
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}else{
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wx.navigateTo({
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url: "../mybusiness_info/index"
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})
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}
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},onsylog: function(e) {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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var userInfodata = wx.getStorageSync("userInfo")
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if(userId&&LoginId&&userInfodata){
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wx.navigateTo({
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url: "../zzjf_sylog/index?t=5"
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})
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}else{
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wx.navigateTo({
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url: "../login/index"
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})
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}
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},getWarpTextMulti:function(canvas, arrText, y, gap = 10) {
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for (let index = 0; index < arrText.length; index++) {
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const text = arrText[index];
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let lineArr = getWarpText(canvas, text, MARGIN_LEFT, y, MAX_WIDTH, LINE_HEIGHT)
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y += LINE_HEIGHT * lineArr.length + gap
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}
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},getWarpText:function(canvas, text, x, y, maxWidth, lineHeight, maxLine) {
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// 对入参的类型进行检测
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if (typeof text != 'string' || typeof x != 'number' || typeof y != 'number' || typeof lineHeight != 'number') {
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throw new Error("参数传入出错")
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}
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//如果最大宽度未定义 默认为canvas宽度
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if (typeof maxWidth == 'undefined') {
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maxWidth = (canvas && canvas.width);
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}
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if (typeof lineHeight == 'undefined') {
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lineHeight = (canvas.canvas && parseInt(window.getComputedStyle(canvas.canvas).lineHeight)) ||
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parseInt(window.getComputedStyle(document.body).lineHeight)
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}
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let arrText = text.split('');
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let line = '';
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let lines = [];
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let lastLine = ""
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let ellipsis = canvas.measureText("...");
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let ellipsisWidth = ellipsis.width;
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for (let n = 0; n < arrText.length; n++) {
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//每个循环累加字符
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let testLine = line + arrText[n];
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//检测累加字符 获取累加字符的高度和宽度
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let metrics = canvas.measureText(testLine);
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let testWidth = metrics.width;
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let lineWidth = canvas.measureText(line).width;
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// 如果当前添加行是最后一行 则替换最后一个字符为"..." 判断长度是否需要删去最后一个字符
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if (maxLine && maxLine - 1 === lines.length && ((lineWidth + ellipsisWidth) > maxWidth)) {
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line = line.slice(0, line.length - 1) + "...";
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testWidth = lineWidth + ellipsisWidth;
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}
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//如果累加字符的宽度大于定义的绘制文本最大宽度 则绘制累加字符的文本 并且设置换行间距再次进行绘制
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if (testWidth > maxWidth && n > 0) {
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lastLine = line;
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lines.push({
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text: line,
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x: x,
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y: y
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})
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if (maxLine && maxLine <= lines.length) {
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break
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}
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line = arrText[n];
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y += lineHeight;
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} else {
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line = testLine;
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}
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}
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if (lastLine !== line) {
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lines.push({
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text: line,
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x: x,
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y: y
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})
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}
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for (let i = 0; i < lines.length; i++) {
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const item = lines[i];
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canvas.fillText(item.text, item.x, item.y);
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}
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return lines;
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}
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})
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