Просмотр исходного кода

[图片][修改]:图片代理修改

tags/江西版6.1.0
Stormeye Wu 6 лет назад
Родитель
Сommit
d18ad551c2
1 измененных файлов: 188 добавлений и 208 удалений
  1. +188
    -208
      pages/canvas/index.js

+ 188
- 208
pages/canvas/index.js Просмотреть файл

@@ -3,11 +3,6 @@ var app = getApp();
const Http = require("../../utils/HttpBasics"); const Http = require("../../utils/HttpBasics");
const util = require("../../utils/util"); const util = require("../../utils/util");
const imgurl = require("../../utils/imgurl"); const imgurl = require("../../utils/imgurl");
const extConfig = wx.getExtConfigSync ? wx.getExtConfigSync() : {}
let imgOrgUrl = extConfig.attr.imgOrgUrl;
let imgOrgUrl1 = extConfig.attr.imgOrgUrl1;
let imgNewUrl = extConfig.attr.imgNewUrl;
let imgNewUrl1 = extConfig.attr.imgNewUrl1;
Page({ Page({


/** /**
@@ -26,19 +21,19 @@ Page({
/** /**
* 生命周期函数--监听页面加载 * 生命周期函数--监听页面加载
*/ */
onLoad: function(options) {
onLoad: function (options) {
let that = this; let that = this;
//劵详情 //劵详情
if (options && options.couponChannelId){
if (options && options.couponChannelId) {
that.getDetail(options.couponChannelId); that.getDetail(options.couponChannelId);
}else if(options && options.merchantId){
} else if (options && options.merchantId) {
that.getList(options.merchantId); that.getList(options.merchantId);
that.getCouponList(options.merchantId); that.getCouponList(options.merchantId);
} }
this.getUserInfo(); this.getUserInfo();
this.begainDrawShareImage(options); this.begainDrawShareImage(options);
}, },
/** /**
* 获取劵详情 * 获取劵详情
*/ */
@@ -58,10 +53,10 @@ Page({
}) })
}) })
}, },
/**
* 获取商户详情
*/
getList: function(id) {
/**
* 获取商户详情
*/
getList: function (id) {
let that = this; let that = this;
let data; let data;
data = { data = {
@@ -70,13 +65,13 @@ Page({
id: id id: id
} }
Http.get({ Http.get({
url: config.api.merchantList,
data: data
}).then(res => {
that.setData({
data: res.data.list[0],
})
url: config.api.merchantList,
data: data
}).then(res => {
that.setData({
data: res.data.list[0],
}) })
})
.catch(err => { .catch(err => {
wx.showToast({ wx.showToast({
title: err.errMsg, title: err.errMsg,
@@ -104,203 +99,188 @@ Page({
let ctx = wx.createCanvasContext('myCanvas') let ctx = wx.createCanvasContext('myCanvas')
// 获取宽高 // 获取宽高
let wW = that.data.windowWidth; let wW = that.data.windowWidth;
let wH = that.data.windowHeight;
let wH = that.data.windowHeight;
// 放大 因为不放大的话,生成的分享图会模糊。暂时先注释 // 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) ctx.scale(this.data.canvasScale, this.data.canvasScale)
// 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 // 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 bgimg1 = that.data.poterbg + `?imageView/2/w/${wW}/h/${wH}` let bgimg1 = that.data.poterbg + `?imageView/2/w/${wW}/h/${wH}`
let bgimg2 = bgimg1.replace(this.getimgurl(this.data.poterbg), this.getnewimgurl(this.data.poterbg))
let bgimg2 = util.getProxyImgUrl(bgimg1)
wx.getImageInfo({ wx.getImageInfo({
src: bgimg2, src: bgimg2,
success: function(res) {
ctx.drawImage(res.path, 0, 0, wW-20, wH);
that.drawshopimg(ctx, scale,options);
ctx.draw(true)
success: function (res) {
ctx.drawImage(res.path, 0, 0, wW - 20, wH);
that.drawshopimg(ctx, scale, options);
ctx.draw(true)
} }
}) })
},
//判断图片路径
getimgurl(str){
if(str.indexOf(imgOrgUrl)!=-1){
return imgOrgUrl
}else if(str.indexOf(imgOrgUrl1)!=-1){
return imgOrgUrl1;
}

}, },
getnewimgurl(str){
if(str.indexOf(imgOrgUrl)!=-1){
return imgNewUrl
}else if(str.indexOf(imgOrgUrl1)!=-1){
return imgNewUrl1;
//绘制商品图片
drawshopimg(ctx, scale, options) {
var that = this
let topImageWidth = parseInt(315 * scale) // 因为小数有时候会请求不到图片,所以转成int
let topImageHeight = parseInt(200 * scale)
let src1 = ""
let src2 = ''
//劵详情海报
if (options && options.couponChannelId) {
src1 = that.data.data.coverImg + `?imageView/2/w/${topImageWidth}/h/${topImageHeight}`
src2 = util.getProxyImgUrl(src1)
this.drawNormalText(ctx, "长按二维码识别小程序享优惠", 85 * scale, 570 * scale, 16 * scale, '#000', 'left', 'middle', scale);
} else if (options && options.merchantId) {//商户详情海报
src1 = that.data.data.merchantImgUrl + `?imageView/2/w/${topImageWidth}/h/${topImageHeight}`
src2 = util.getProxyImgUrl(src1)
this.drawNormalText(ctx, "长按二维码识别小程序进店逛逛", 85 * scale, 570 * scale, 16 * scale, '#000', 'left', 'middle', scale);
} }
},
//绘制商品图片
drawshopimg(ctx, scale,options){
var that = this
let topImageWidth = parseInt(315 * scale) // 因为小数有时候会请求不到图片,所以转成int
let topImageHeight = parseInt(200 * scale)
let src1=""
let src2=''
//劵详情海报
if(options && options.couponChannelId){
src1 = that.data.data.coverImg + `?imageView/2/w/${topImageWidth}/h/${topImageHeight}`
src2 = src1.replace(that.getimgurl(that.data.data.coverImg), that.getnewimgurl(that.data.data.coverImg))
this.drawNormalText(ctx, "长按二维码识别小程序享优惠", 85 * scale, 570 * scale, 16 * scale, '#000', 'left', 'middle', scale);
}else if(options && options.merchantId){//商户详情海报
src1 = that.data.data.merchantImgUrl + `?imageView/2/w/${topImageWidth}/h/${topImageHeight}`
src2 = src1.replace(that.getimgurl(that.data.data.merchantImgUrl), that.getnewimgurl(that.data.data.merchantImgUrl))
this.drawNormalText(ctx, "长按二维码识别小程序进店逛逛", 85 * scale, 570 * scale, 16 * scale, '#000', 'left', 'middle', scale);
}
wx.getImageInfo({
src: src2,
success: function(res) {
if(options && options.merchantId){
// 绘制白色背景
ctx.setFillStyle('#fff')
ctx.fillRect(15, 45, topImageWidth + 10, topImageHeight + 10)
ctx.drawImage(res.path, 20, 50, topImageWidth, topImageHeight)
that.drawOtherImage(ctx, scale)
that.drawOtherContent(ctx, scale)
}else if((options && options.couponChannelId)){
ctx.setFillStyle('#fff')
ctx.fillRect(15, 95, topImageWidth + 10, topImageHeight + 10)
wx.getImageInfo({
src: src2,
success: function (res) {
if (options && options.merchantId) {
// 绘制白色背景
ctx.setFillStyle('#fff')
ctx.fillRect(15, 45, topImageWidth + 10, topImageHeight + 10)
ctx.drawImage(res.path, 20, 50, topImageWidth, topImageHeight)
that.drawOtherImage(ctx, scale)
that.drawOtherContent(ctx, scale)
} else if ((options && options.couponChannelId)) {
ctx.setFillStyle('#fff')
ctx.fillRect(15, 95, topImageWidth + 10, topImageHeight + 10)
ctx.drawImage(res.path, 20, 100, topImageWidth, topImageHeight) ctx.drawImage(res.path, 20, 100, topImageWidth, topImageHeight)
that.drawCouponContent(ctx, scale) that.drawCouponContent(ctx, scale)
that.drawqrCode(ctx, scale); that.drawqrCode(ctx, scale);
}
wx.hideLoading()
} }
wx.hideLoading()
}
})
},
// 商户海报绘制
drawOtherContent(ctx, scale) {
//昵称
this.drawNormalText(ctx, this.data.nickName+" 向您推荐", 20 * scale, 25 * scale, 16 * scale, '#fff', 'left', 'middle', scale);
//店铺名
this.drawNormalText(ctx, this.data.data.merchantName, 180 * scale, 280 * scale, 30 * scale, '#fff', 'center', 'middle', scale);
if (this.data.couponList.length > 0) {
for (let i = 0; i < this.data.couponList.length; i++) {
// 第一个商品信息
this.drawNormalText(ctx, this.substrTile(this.data.couponList[1].title), 30 * scale, 396 * scale, 14 * scale, '#000', 'left', 'middle', scale);
this.drawNormalText(ctx, "价格:" + this.data.couponList[1].salePrice, 30 * scale, 416 * scale, 14 * scale, '#FF3232', 'left', 'middle', scale);
//第二个商品信息
this.drawNormalText(ctx, this.substrTile(this.data.couponList[2].title), 145 * scale, 396 * scale, 14 * scale, '#000', 'left', 'middle', scale);
this.drawNormalText(ctx, "价格:" + this.data.couponList[2].salePrice, 145 * scale, 416 * scale, 14 * scale, '#FF3232', 'left', 'middle', scale);
//第三个商品信息
this.drawNormalText(ctx, this.substrTile(this.data.couponList[3].title), 260 * scale, 396 * scale, 14 * scale, '#000', 'left', 'middle', scale);
this.drawNormalText(ctx, "价格:" + this.data.couponList[3].salePrice, 260 * scale, 416 * scale, 14 * scale, '#FF3232', 'left', 'middle', scale);
})
},
// 商户海报绘制
drawOtherContent(ctx, scale) {
//昵称
this.drawNormalText(ctx, this.data.nickName + " 向您推荐", 20 * scale, 25 * scale, 16 * scale, '#fff', 'left', 'middle', scale);
//店铺名
this.drawNormalText(ctx, this.data.data.merchantName, 180 * scale, 280 * scale, 30 * scale, '#fff', 'center', 'middle', scale);
if (this.data.couponList.length > 0) {
for (let i = 0; i < this.data.couponList.length; i++) {
// 第一个商品信息
this.drawNormalText(ctx, this.substrTile(this.data.couponList[1].title), 30 * scale, 396 * scale, 14 * scale, '#000', 'left', 'middle', scale);
this.drawNormalText(ctx, "价格:" + this.data.couponList[1].salePrice, 30 * scale, 416 * scale, 14 * scale, '#FF3232', 'left', 'middle', scale);
//第二个商品信息
this.drawNormalText(ctx, this.substrTile(this.data.couponList[2].title), 145 * scale, 396 * scale, 14 * scale, '#000', 'left', 'middle', scale);
this.drawNormalText(ctx, "价格:" + this.data.couponList[2].salePrice, 145 * scale, 416 * scale, 14 * scale, '#FF3232', 'left', 'middle', scale);
//第三个商品信息
this.drawNormalText(ctx, this.substrTile(this.data.couponList[3].title), 260 * scale, 396 * scale, 14 * scale, '#000', 'left', 'middle', scale);
this.drawNormalText(ctx, "价格:" + this.data.couponList[3].salePrice, 260 * scale, 416 * scale, 14 * scale, '#FF3232', 'left', 'middle', scale);
}
} }


}
ctx.draw(true)
ctx.draw(true)


},
// 劵海报绘制
drawCouponContent(ctx, scale) {
//昵称
this.drawNormalText(ctx, this.data.data.title, 20 * scale, 25 * scale, 30 * scale, '#fff', 'left', 'middle', scale);
this.drawNormalText(ctx, "售价:"+this.data.data.salePriceStr, 50 * scale, 65 * scale, 30 * scale, '#fff', 'left', 'middle', scale);
ctx.draw(true)
},
// 劵海报绘制
drawCouponContent(ctx, scale) {
//昵称
this.drawNormalText(ctx, this.data.data.title, 20 * scale, 25 * scale, 30 * scale, '#fff', 'left', 'middle', scale);
this.drawNormalText(ctx, "售价:" + this.data.data.salePriceStr, 50 * scale, 65 * scale, 30 * scale, '#fff', 'left', 'middle', scale);
ctx.draw(true)


},
//绘制小程序码
drawqrCode(ctx, scale) {
let coImageWidth = parseInt(120 * scale)
let coImageHeight = parseInt(120 * scale)
let src1=""
let src2=''
if(this.data.qrCode){
src1 = this.data.qrCode + `?imageView/2/w/${coImageWidth}/h/${coImageHeight}`
src2 = src1.replace(this.getimgurl(this.data.qrCode), this.getnewimgurl(this.data.qrCode))
}else{
src1 = this.data.data.qrCode + `?imageView/2/w/${coImageWidth}/h/${coImageHeight}`
src2 = src1.replace(this.getimgurl(this.data.data.qrCode), this.getnewimgurl(this.data.data.qrCode))
}
wx.getImageInfo({
src: src2,
success: function(res) {
ctx.drawImage(res.path, 125 * scale, 425 * scale, coImageWidth, coImageHeight)
ctx.draw(true)
}
})
},
// 绘制活动图片
drawOtherImage(ctx, scale) {
var that = this
// 如果该商户有活动商品
if (that.data.couponList.length > 0) {
let cotentImageWidth = parseInt(80 * scale)
let cotentImageHeight = parseInt(80 * scale)
for (let i = 0; i < that.data.couponList.length; i++) {
let imageItem = that.data.couponList[i].coverImg
let src1 = imageItem + `?imageView/2/w/${cotentImageWidth}/h/${cotentImageHeight}`
let src2 = src1.replace(this.getimgurl(imageItem), this.getnewimgurl(imageItem))
wx.getImageInfo({
src: src2,
success: function(res) {
ctx.drawImage(res.path, 35 * scale + i * 110 * scale, 300 * scale, cotentImageWidth, cotentImageHeight)
}
})
},
//绘制小程序码
drawqrCode(ctx, scale) {
let coImageWidth = parseInt(120 * scale)
let coImageHeight = parseInt(120 * scale)
let src1 = ""
let src2 = ''
if (this.data.qrCode) {
src1 = this.data.qrCode + `?imageView/2/w/${coImageWidth}/h/${coImageHeight}`
src2 = util.getProxyImgUrl(src1)
} else {
src1 = this.data.data.qrCode + `?imageView/2/w/${coImageWidth}/h/${coImageHeight}`
src2 = util.getProxyImgUrl(src1)
} }
wx.getImageInfo({
src: src2,
success: function (res) {
ctx.drawImage(res.path, 125 * scale, 425 * scale, coImageWidth, coImageHeight)
ctx.draw(true)
}
})
},
// 绘制活动图片
drawOtherImage(ctx, scale) {
var that = this
// 如果该商户有活动商品
if (that.data.couponList.length > 0) {
let cotentImageWidth = parseInt(80 * scale)
let cotentImageHeight = parseInt(80 * scale)
for (let i = 0; i < that.data.couponList.length; i++) {
let imageItem = that.data.couponList[i].coverImg
let src1 = imageItem + `?imageView/2/w/${cotentImageWidth}/h/${cotentImageHeight}`
let src2 = util.getProxyImgUrl(src1)
wx.getImageInfo({
src: src2,
success: function (res) {
ctx.drawImage(res.path, 35 * scale + i * 110 * scale, 300 * scale, cotentImageWidth, cotentImageHeight)
}
})
}


}
that.drawqrCode(ctx, scale);
},
}
that.drawqrCode(ctx, scale);
},
//截取商品名 //截取商品名
substrTile(str) { substrTile(str) {
return str.substr(0, 5) + '...' return str.substr(0, 5) + '...'
}, },
// 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...
*
*/
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;
// 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...
*
*/
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 (currentRow > row) {
break;
}
}
if (i == str.length - 1) {
ctx.fillText(str.substring(lastSubStrIndex, i + 1), initX, initY);
} }
} }
if (i == str.length - 1) {
ctx.fillText(str.substring(lastSubStrIndex, i + 1), initX, initY);
},
//获取商户优惠劵信息
getCouponList: function (id) {
let that = this;
let data;
data = {
status: 0,
merchantId: id,
pageNum: 1,
pageSize: 15,
} }
}
},
//获取商户优惠劵信息
getCouponList: function(id) {
let that = this;
let data;
data = {
status: 0,
merchantId: id,
pageNum: 1,
pageSize: 15,
}
Http.get({
Http.get({
url: config.api.listByMerchant, url: config.api.listByMerchant,
data: data data: data
}).then(res => { }).then(res => {
@@ -309,23 +289,23 @@ getCouponList: function(id) {
qrCode: res.data.qrCode, qrCode: res.data.qrCode,
}) })
}) })
.catch(err => {
wx.showToast({
title: err.errMsg,
icon: 'none',
duration: 2000,
mask: false
});
})
},
.catch(err => {
wx.showToast({
title: err.errMsg,
icon: 'none',
duration: 2000,
mask: false
});
})
},
//获取头像和昵称 //获取头像和昵称
getUserInfo: function() {
getUserInfo: function () {
let that = this; let that = this;
// 获取用户信息 // 获取用户信息
Http.get({ Http.get({
url: config.api.getScore,
data: {}
})
url: config.api.getScore,
data: {}
})
.then(res => { .then(res => {
console.log(res) console.log(res)
that.setData({ that.setData({
@@ -334,9 +314,9 @@ getCouponList: function(id) {
}) })
}) })
}, },
/**
* 保存图片
*/
/**
* 保存图片
*/
saveImage() { saveImage() {
let that = this let that = this
wx.canvasToTempFilePath({ wx.canvasToTempFilePath({
@@ -345,10 +325,10 @@ getCouponList: function(id) {
width: this.data.windowWidth * this.data.canvasScale, width: this.data.windowWidth * this.data.canvasScale,
height: this.data.totalHeight * this.data.canvasScale, height: this.data.totalHeight * this.data.canvasScale,
canvasId: 'myCanvas', canvasId: 'myCanvas',
success: function(res) {
success: function (res) {
that.saveImageToPhotos(res.tempFilePath); that.saveImageToPhotos(res.tempFilePath);
}, },
fail: function(res) {
fail: function (res) {
wx.showToast({ wx.showToast({
title: '图片生成失败', title: '图片生成失败',
icon: 'none', icon: 'none',
@@ -357,7 +337,7 @@ getCouponList: function(id) {
} }
}) })
}, },
saveImageToPhotos: function(tempFilePath) {
saveImageToPhotos: function (tempFilePath) {
wx.saveImageToPhotosAlbum({ wx.saveImageToPhotosAlbum({
filePath: tempFilePath, filePath: tempFilePath,
success(result) { success(result) {
@@ -367,7 +347,7 @@ getCouponList: function(id) {
duration: 4000 duration: 4000
}) })
}, },
fail: function(err) {
fail: function (err) {
if (err.errMsg === "saveImageToPhotosAlbum:fail:auth denied" || err.errMsg === "saveImageToPhotosAlbum:fail auth deny") { if (err.errMsg === "saveImageToPhotosAlbum:fail:auth denied" || err.errMsg === "saveImageToPhotosAlbum:fail auth deny") {
// 这边微信做过调整,必须要在按钮中触发,因此需要在弹框回调中进行调用 // 这边微信做过调整,必须要在按钮中触发,因此需要在弹框回调中进行调用
wx.showModal({ wx.showModal({


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