|  |  | @@ -11,16 +11,32 @@ Page({ | 
		
	
		
			
			|  |  |  | teljpgUrl: imgurl.teljpg.url, | 
		
	
		
			
			|  |  |  | share01: imgurl.share01.url, | 
		
	
		
			
			|  |  |  | actUrl: imgurl.act.url, | 
		
	
		
			
			|  |  |  | poster:'./../../../assets/images/picture.png', | 
		
	
		
			
			|  |  |  | page: 1, | 
		
	
		
			
			|  |  |  | imglist:null, | 
		
	
		
			
			|  |  |  | shopVoList:[], | 
		
	
		
			
			|  |  |  | couponList:[],//活动劵列表 | 
		
	
		
			
			|  |  |  | data:{ | 
		
	
		
			
			|  |  |  | currentTab: 0, | 
		
	
		
			
			|  |  |  | isshare:false | 
		
	
		
			
			|  |  |  | isshare:false, | 
		
	
		
			
			|  |  |  | showpost: false, | 
		
	
		
			
			|  |  |  | imgHeight: 0, | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | id:null | 
		
	
		
			
			|  |  |  | id:null, | 
		
	
		
			
			|  |  |  | windowWidth: 0, | 
		
	
		
			
			|  |  |  | windowHeight: 0, | 
		
	
		
			
			|  |  |  | totalHeight: 0, | 
		
	
		
			
			|  |  |  | canvasScale: 1.0,// 画布放大的倍数,因为如果保存的是一倍的分享图片的话,分享图会有点虚。所以保存的时候,canvasScale设置为2.0,wxss 里面的left: 500%;打开注释。就可保存两倍的分享图 | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 分享海报的生成 | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | //关闭海报 | 
		
	
		
			
			|  |  |  | closePoste: function() { | 
		
	
		
			
			|  |  |  | this.setData({ | 
		
	
		
			
			|  |  |  | showpost: false | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 生命周期函数--监听页面加载 | 
		
	
	
		
			
				|  |  | @@ -37,7 +53,257 @@ Page({ | 
		
	
		
			
			|  |  |  | currentTab: 0 | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | // 获取到屏幕的宽高等信息 | 
		
	
		
			
			|  |  |  | wx.getSystemInfo({ | 
		
	
		
			
			|  |  |  | success: function(res) { | 
		
	
		
			
			|  |  |  | that.setData({ | 
		
	
		
			
			|  |  |  | windowWidth: res.windowWidth, | 
		
	
		
			
			|  |  |  | windowHeight: res.windowHeight | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 绘制分享海报 | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | begainDrawShareImage() { | 
		
	
		
			
			|  |  |  | var that = this | 
		
	
		
			
			|  |  |  | // 适配屏幕 | 
		
	
		
			
			|  |  |  | let scale = this.data.windowWidth / 375.0 | 
		
	
		
			
			|  |  |  |  | 
		
	
		
			
			|  |  |  | this.setData({ totalHeight: 767* scale}) | 
		
	
		
			
			|  |  |  | // 获取Canvas | 
		
	
		
			
			|  |  |  | let ctx = wx.createCanvasContext('myCanvas') | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 放大 因为不放大的话,生成的分享图会模糊。暂时先注释 | 
		
	
		
			
			|  |  |  | ctx.scale(this.data.canvasScale, this.data.canvasScale) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 绘制主背景白色 | 
		
	
		
			
			|  |  |  | ctx.setFillStyle('#ffffff') | 
		
	
		
			
			|  |  |  | ctx.fillRect(0, 0, this.data.windowWidth, this.data.totalHeight) | 
		
	
		
			
			|  |  |  | ctx.draw() | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 首先要绘制顶部的背景图片,因为它在最底层,然后才能绘制其他内容 | 
		
	
		
			
			|  |  |  | let topImageWidth = parseInt(375 * scale) // 因为小数有时候会请求不到图片,所以转成int | 
		
	
		
			
			|  |  |  | let topImageHeight = parseInt(250 * scale) | 
		
	
		
			
			|  |  |  | let src1 = this.data.data.merchantImgUrl + `?imageView/2/w/${topImageWidth}/h/${topImageHeight}` | 
		
	
		
			
			|  |  |  | wx.getImageInfo({ | 
		
	
		
			
			|  |  |  | src: src1, | 
		
	
		
			
			|  |  |  | success: function(res) { | 
		
	
		
			
			|  |  |  | ctx.drawImage(res.path, 0, 0, topImageWidth, topImageHeight) | 
		
	
		
			
			|  |  |  | // 覆盖黑色蒙层 | 
		
	
		
			
			|  |  |  | ctx.setFillStyle('rgba(0,0,0,0.3)') | 
		
	
		
			
			|  |  |  | ctx.fillRect(0, 0, topImageWidth, topImageHeight) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | ctx.draw(true) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | that.drawOtherContent(ctx, scale) | 
		
	
		
			
			|  |  |  | that.drawOtherImage(ctx,scale) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 绘制除了图片之外的剩余内容 | 
		
	
		
			
			|  |  |  | drawOtherContent(ctx, scale) { | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 绘制中间的灰色背景 | 
		
	
		
			
			|  |  |  | ctx.setFillStyle('rgba(246,246,246,1)') | 
		
	
		
			
			|  |  |  | //(x轴,y轴,宽,高) | 
		
	
		
			
			|  |  |  | ctx.fillRect(14 * scale, 230 * scale, 347 * scale, 58 * scale) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | //name | 
		
	
		
			
			|  |  |  | ctx.setFillStyle('white'); | 
		
	
		
			
			|  |  |  | ctx.setFontSize(30 * scale); | 
		
	
		
			
			|  |  |  | this.canvasTextAutoLine(this.data.data.merchantName, ctx, 20 * scale, 200 * scale, 30 * scale, 258 * scale, 1) | 
		
	
		
			
			|  |  |  | // address | 
		
	
		
			
			|  |  |  | ctx.setFillStyle('#000'); | 
		
	
		
			
			|  |  |  | ctx.setFontSize(18 * scale); | 
		
	
		
			
			|  |  |  | this.canvasTextAutoLine("地址:"+this.data.data.shopVoList[0].floorName+this.data.data.shopVoList[0].buildingName+this.data.data.shopVoList[0].shopNumber, ctx, 20 * scale, 270 * scale, 22 * scale, 305 * scale, 1) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // this.drawNormalText(ctx, '探索新鲜好去处', 82 * scale, 596 * scale, 14 * scale, '#3C3C3C', 'left', 'middle', scale); | 
		
	
		
			
			|  |  |  | // this.drawNormalText(ctx, '长按右侧小程序码', 82 * scale, 620 * scale, 12 * scale, '#9A9CAC', 'left', 'middle', scale); | 
		
	
		
			
			|  |  |  | // this.drawNormalText(ctx, '查看更多店铺信息和热评', 82 *scale,635*scale, 12*scale, '#9A9CAC', 'left', 'middle', scale); | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | ctx.draw(true) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 绘制活动图片 | 
		
	
		
			
			|  |  |  | drawOtherImage(ctx, scale) { | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | let that = this | 
		
	
		
			
			|  |  |  | // 如果该商户有活动商品 | 
		
	
		
			
			|  |  |  | if(this.data.couponList.length>0){ | 
		
	
		
			
			|  |  |  | let cotentImageWidth = parseInt(136 * scale) | 
		
	
		
			
			|  |  |  | let cotentImageHeight = parseInt(136 * scale) | 
		
	
		
			
			|  |  |  | for (let i = 0; i < this.data.couponList.length; i++){ | 
		
	
		
			
			|  |  |  | let imageItem = this.data.couponList[i].coverImg | 
		
	
		
			
			|  |  |  | let src1 = imageItem + `?imageView/2/w/${cotentImageWidth}/h/${cotentImageHeight}` | 
		
	
		
			
			|  |  |  | wx.getImageInfo({ | 
		
	
		
			
			|  |  |  | src: src1, | 
		
	
		
			
			|  |  |  | success: function (res) { | 
		
	
		
			
			|  |  |  | ctx.drawImage(res.path, 15 * scale + i*180*scale, 300 * scale, cotentImageWidth, cotentImageHeight) | 
		
	
		
			
			|  |  |  | ctx.draw(true) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | //没有活动商品生成小程序码 | 
		
	
		
			
			|  |  |  | }else{ | 
		
	
		
			
			|  |  |  | if(this.data.qrCode){ | 
		
	
		
			
			|  |  |  | let coImageWidth = parseInt(336 * scale) | 
		
	
		
			
			|  |  |  | let coImageHeight = parseInt(336 * scale) | 
		
	
		
			
			|  |  |  | let src1 = this.data.qrCode + `?imageView/2/w/${topImageWidth}/h/${topImageHeight}` | 
		
	
		
			
			|  |  |  | wx.getImageInfo({ | 
		
	
		
			
			|  |  |  | src: src1, | 
		
	
		
			
			|  |  |  | success: function(res) { | 
		
	
		
			
			|  |  |  | ctx.drawImage(res.path, 0, 0, coImageWidth, coImageHeight) | 
		
	
		
			
			|  |  |  | ctx.draw(true) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | // icon | 
		
	
		
			
			|  |  |  | // ctx.setShadow(0, 8 * scale, 20, 'rgba(0,0,0,0.1)') | 
		
	
		
			
			|  |  |  | // ctx.drawImage('./../../../assets/images/download.png', 13 * scale, 590 * scale, 54*scale, 54*scale) | 
		
	
		
			
			|  |  |  | // ctx.setShadow(0, 0, 0, 'white') | 
		
	
		
			
			|  |  |  | // ctx.draw(true) | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | // 绘制只有一行的文字 | 
		
	
		
			
			|  |  |  | drawNormalText(ctx, str, x, y, font, style, align, baseLine) { | 
		
	
		
			
			|  |  |  | ctx.setFontSize(font); | 
		
	
		
			
			|  |  |  | ctx.setFillStyle(style); | 
		
	
		
			
			|  |  |  | ctx.setTextAlign(align); | 
		
	
		
			
			|  |  |  | ctx.setTextBaseline(baseLine); | 
		
	
		
			
			|  |  |  | ctx.fillText(str, x, y); | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | /* | 
		
	
		
			
			|  |  |  | *  绘制多行文本,自动换行,超出添加... | 
		
	
		
			
			|  |  |  | * | 
		
	
		
			
			|  |  |  | str:要绘制的字符串 | 
		
	
		
			
			|  |  |  | canvas:canvas对象 | 
		
	
		
			
			|  |  |  | initX:绘制字符串起始x坐标 | 
		
	
		
			
			|  |  |  | initY:绘制字符串起始y坐标 | 
		
	
		
			
			|  |  |  | lineHeight:字行高,自己定义个值即可 | 
		
	
		
			
			|  |  |  | maxWidth: 文本最大宽度 | 
		
	
		
			
			|  |  |  | row: 最大行数 | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | canvasTextAutoLine: function(str, ctx, initX, initY, lineHeight, maxWidth, row = 1) { | 
		
	
		
			
			|  |  |  | var lineWidth = 0; | 
		
	
		
			
			|  |  |  | var lastSubStrIndex = 0; | 
		
	
		
			
			|  |  |  | var currentRow = 1; | 
		
	
		
			
			|  |  |  | for (let i = 0; i < str.length; i++) { | 
		
	
		
			
			|  |  |  | lineWidth += ctx.measureText(str[i]).width; | 
		
	
		
			
			|  |  |  | if (lineWidth > maxWidth) { | 
		
	
		
			
			|  |  |  | currentRow++; | 
		
	
		
			
			|  |  |  | let newStr = str.substring(lastSubStrIndex, i) | 
		
	
		
			
			|  |  |  | if (currentRow > row && str.length > i) { | 
		
	
		
			
			|  |  |  | newStr = str.substring(lastSubStrIndex, i - 2) + '...' | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | ctx.fillText(newStr, initX, initY); | 
		
	
		
			
			|  |  |  | initY += lineHeight; | 
		
	
		
			
			|  |  |  | lineWidth = 0; | 
		
	
		
			
			|  |  |  | lastSubStrIndex = i; | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | if (currentRow > row) { | 
		
	
		
			
			|  |  |  | break; | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | if (i == str.length - 1) { | 
		
	
		
			
			|  |  |  | ctx.fillText(str.substring(lastSubStrIndex, i + 1), initX, initY); | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | // 保存图片 | 
		
	
		
			
			|  |  |  | saveImage() { | 
		
	
		
			
			|  |  |  | var _this = this | 
		
	
		
			
			|  |  |  | var image = _this.data.poster | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | wx.getImageInfo({ | 
		
	
		
			
			|  |  |  | src: image, | 
		
	
		
			
			|  |  |  | success: function (sres) { | 
		
	
		
			
			|  |  |  | var imgSrc = sres.path; | 
		
	
		
			
			|  |  |  |  | 
		
	
		
			
			|  |  |  | wx.showLoading({ | 
		
	
		
			
			|  |  |  | title: '保存中', | 
		
	
		
			
			|  |  |  | mask: true | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | setTimeout(function () { | 
		
	
		
			
			|  |  |  | wx.saveImageToPhotosAlbum({ | 
		
	
		
			
			|  |  |  | filePath: imgSrc, | 
		
	
		
			
			|  |  |  | success: function (data) { | 
		
	
		
			
			|  |  |  | // wx.showToast({ | 
		
	
		
			
			|  |  |  | //   title: '保存成功', | 
		
	
		
			
			|  |  |  | //   icon: 'success', | 
		
	
		
			
			|  |  |  | //   duration: 2000 | 
		
	
		
			
			|  |  |  | // }) | 
		
	
		
			
			|  |  |  | console.log(data) | 
		
	
		
			
			|  |  |  | wx.showModal({ | 
		
	
		
			
			|  |  |  | title: '友情提示', | 
		
	
		
			
			|  |  |  | content: '图片保存成功,请到相册查找分享', | 
		
	
		
			
			|  |  |  | success(res) { | 
		
	
		
			
			|  |  |  | if (res.confirm) { | 
		
	
		
			
			|  |  |  |  | 
		
	
		
			
			|  |  |  | } else if (res.cancel) { | 
		
	
		
			
			|  |  |  |  | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | fail: function (err) { | 
		
	
		
			
			|  |  |  | // console.log(err); | 
		
	
		
			
			|  |  |  | if (err.errMsg === "saveImageToPhotosAlbum:fail auth deny") { | 
		
	
		
			
			|  |  |  | console.log("当初用户拒绝,再次发起授权") | 
		
	
		
			
			|  |  |  | wx.openSetting({ | 
		
	
		
			
			|  |  |  | success(settingdata) { | 
		
	
		
			
			|  |  |  | console.log(settingdata) | 
		
	
		
			
			|  |  |  | if (settingdata.authSetting['scope.writePhotosAlbum']) { | 
		
	
		
			
			|  |  |  | console.log('获取权限成功,给出再次点击图片保存到相册的提示。') | 
		
	
		
			
			|  |  |  | } else { | 
		
	
		
			
			|  |  |  | console.log('获取权限失败,给出不给权限就无法正常使用的提示') | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | complete(res) { | 
		
	
		
			
			|  |  |  | console.log(res); | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | wx.hideLoading(); | 
		
	
		
			
			|  |  |  | }, 2000) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 获取access_token | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | getaccess_token:function(access_token){ | 
		
	
		
			
			|  |  |  | wx.request({ | 
		
	
		
			
			|  |  |  | url:"https://api.weixin.qq.com/wxa/getwxacode?access_token=" + access_token, | 
		
	
		
			
			|  |  |  | method: 'POST', | 
		
	
		
			
			|  |  |  | data: { | 
		
	
		
			
			|  |  |  | path: 'pages/index/index', // 必须是已经发布的小程序存在的页面(否则报错) | 
		
	
		
			
			|  |  |  | width: 430, | 
		
	
		
			
			|  |  |  | auto_color: false,// 自动配置线条颜色,如果颜色依然是黑色,则说明不建议配置主色调 | 
		
	
		
			
			|  |  |  | line_color: {"r":"0","g":"0","b":"0"} // auto_color 为 false 时生效,使用 rgb 设置颜色 例如 {"r":"xxx","g":"xxx","b":"xxx"} 十进制表示 | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | success:function(res){ | 
		
	
		
			
			|  |  |  | console.log(res); | 
		
	
		
			
			|  |  |  | } | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 拨打电话 | 
		
	
		
			
			|  |  |  | */ | 
		
	
	
		
			
				|  |  | @@ -68,6 +334,23 @@ Page({ | 
		
	
		
			
			|  |  |  | this.setData({ | 
		
	
		
			
			|  |  |  | currentTab: e.detail.current | 
		
	
		
			
			|  |  |  | }); | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 隐藏分享海报 | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | hideposter:function(){ | 
		
	
		
			
			|  |  |  | this.setData({ | 
		
	
		
			
			|  |  |  | showpost: false, | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | /** | 
		
	
		
			
			|  |  |  | * 显示分享海报 | 
		
	
		
			
			|  |  |  | */ | 
		
	
		
			
			|  |  |  | showPoster:function(){ | 
		
	
		
			
			|  |  |  | this.setData({ | 
		
	
		
			
			|  |  |  | showpost: true, | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | this.begainDrawShareImage(); | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | //点击切换 | 
		
	
		
			
			|  |  |  | clickTab: function (e) { | 
		
	
	
		
			
				|  |  | @@ -127,7 +410,7 @@ Page({ | 
		
	
		
			
			|  |  |  | data: data | 
		
	
		
			
			|  |  |  | }).then(res => { | 
		
	
		
			
			|  |  |  | that.setData({ | 
		
	
		
			
			|  |  |  | couponList: res.data, | 
		
	
		
			
			|  |  |  | couponList: res.data.list, | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | }) | 
		
	
		
			
			|  |  |  | .catch(err => { | 
		
	
	
		
			
				|  |  | @@ -154,7 +437,6 @@ Page({ | 
		
	
		
			
			|  |  |  | 
 | 
		
	
		
			
			|  |  |  | }, | 
		
	
		
			
			|  |  |  | onShareAppMessage: function (res) { | 
		
	
		
			
			|  |  |  | debugger | 
		
	
		
			
			|  |  |  | var that = this; | 
		
	
		
			
			|  |  |  | var shareObj = { | 
		
	
		
			
			|  |  |  | title: that.data.data.title, | 
		
	
	
		
			
				|  |  | 
 |