You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
363 lines
9.2 KiB
363 lines
9.2 KiB
8 months ago
|
<template>
|
||
|
|
<view :style="viewColor">
|
||
|
|
<view class='poster-poster' v-if="posterStatus">
|
||
|
|
<view class='poster-pop'>
|
||
|
|
<image src='../../../static/images/poster-close.png' class='close' @click="posterImageClose"></image>
|
||
|
|
<view class="user-code">
|
||
|
|
<image class="canvas" :style="{width:wd+'px', height:hg+'px'}" :src="posterImage" v-if="posterImage"></image>
|
||
|
|
<canvas class="canvas" :style="{width:wd+'px',height:hg+'px'}" canvas-id="myCanvas" v-else></canvas>
|
||
|
|
</view>
|
||
|
|
<!-- #ifndef H5 -->
|
||
|
|
<view v-if="posterImage" class='save-poster' @click="savePosterPath(posterImage)">保存到手机</view>
|
||
|
|
<!-- #endif -->
|
||
|
|
<!-- #ifdef H5 -->
|
||
|
|
<view v-if="posterImage" class="keep">长按图片可以保存到手机</view>
|
||
|
|
<!-- #endif -->
|
||
|
|
</view>
|
||
|
|
</view>
|
||
|
|
<view class='mask' v-if="posterImage"></view>
|
||
|
|
</view>
|
||
|
|
</template>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
// +----------------------------------------------------------------------
|
||
|
|
// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
|
||
|
|
// +----------------------------------------------------------------------
|
||
|
|
// | Copyright (c) 2016~2024 https://www.crmeb.com All rights reserved.
|
||
|
|
// +----------------------------------------------------------------------
|
||
|
|
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
|
||
|
|
// +----------------------------------------------------------------------
|
||
|
|
// | Author: CRMEB Team <admin@crmeb.com>
|
||
|
|
// +----------------------------------------------------------------------
|
||
|
|
import { imgToBase } from '@/api/user.js';
|
||
|
|
import { mapGetters } from 'vuex';
|
||
|
|
export default {
|
||
|
|
computed: mapGetters(['viewColor']),
|
||
|
|
data() {
|
||
|
|
return {
|
||
|
|
wd: 225,
|
||
|
|
hg: 357,
|
||
|
|
posterImage: "",
|
||
|
|
posterBag: '../static/images/poster-bag.png',
|
||
|
|
}
|
||
|
|
},
|
||
|
|
props: {
|
||
|
|
picData: {
|
||
|
|
type: Object
|
||
|
|
},
|
||
|
|
posterStatus: {
|
||
|
|
type: Boolean,
|
||
|
|
default: false
|
||
|
|
}
|
||
|
|
},
|
||
|
|
watch: {
|
||
|
|
posterStatus(data) {
|
||
|
|
if (data) {
|
||
|
|
this.posterShow()
|
||
|
|
}
|
||
|
|
},
|
||
|
|
},
|
||
|
|
onLoad() {},
|
||
|
|
methods: {
|
||
|
|
async posterShow() {
|
||
|
|
let that = this;
|
||
|
|
uni.showLoading({
|
||
|
|
title: '海报生成中',
|
||
|
|
mask: true
|
||
|
|
});
|
||
|
|
let arr, bag_pic, goods_img, mp_code
|
||
|
|
goods_img = await that.imgToBase(that.picData.goodsPic)
|
||
|
|
mp_code = await that.imgToBase(that.picData.codePic)
|
||
|
|
// #ifdef H5
|
||
|
|
arr = [that.posterBag, goods_img, mp_code]
|
||
|
|
// #endif
|
||
|
|
// #ifdef MP || APP-PLUS
|
||
|
|
arr = [that.posterBag, await that.downloadFilestoreImage(that.picData.goodsPic), await that.downloadFilestoreImage(
|
||
|
|
that.picData.codePic)]
|
||
|
|
// #endif
|
||
|
|
that.bargainPosterCanvas(arr, that.picData.title, that.picData.label, that.picData.msg, that.picData.price,
|
||
|
|
that.wd,
|
||
|
|
that.hg,
|
||
|
|
(tempFilePath) => {
|
||
|
|
that.posterImage = tempFilePath
|
||
|
|
});
|
||
|
|
},
|
||
|
|
async imgToBase(url) {
|
||
|
|
let res = await imgToBase({
|
||
|
|
image: url
|
||
|
|
})
|
||
|
|
return res.data.image
|
||
|
|
},
|
||
|
|
savePosterPath(url) {
|
||
|
|
let that = this;
|
||
|
|
// #ifdef MP
|
||
|
|
uni.getSetting({
|
||
|
|
success(res) {
|
||
|
|
if (!res.authSetting['scope.writePhotosAlbum']) {
|
||
|
|
uni.authorize({
|
||
|
|
scope: 'scope.writePhotosAlbum',
|
||
|
|
success() {
|
||
|
|
uni.saveImageToPhotosAlbum({
|
||
|
|
filePath: url,
|
||
|
|
success: function(res) {
|
||
|
|
that.$util.Tips({
|
||
|
|
title: '保存成功',
|
||
|
|
icon: 'success'
|
||
|
|
});
|
||
|
|
},
|
||
|
|
fail: function(res) {
|
||
|
|
that.$util.Tips({
|
||
|
|
title: '保存失败'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
uni.saveImageToPhotosAlbum({
|
||
|
|
filePath: url,
|
||
|
|
success: function(res) {
|
||
|
|
that.$util.Tips({
|
||
|
|
title: '保存成功',
|
||
|
|
icon: 'success'
|
||
|
|
});
|
||
|
|
},
|
||
|
|
fail: function(res) {
|
||
|
|
that.$util.Tips({
|
||
|
|
title: '保存失败'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
// #endif
|
||
|
|
// #ifdef APP-PLUS
|
||
|
|
uni.saveImageToPhotosAlbum({
|
||
|
|
filePath: that.posterImage,
|
||
|
|
success: function(res) {
|
||
|
|
that.posterImageClose();
|
||
|
|
that.$util.Tips({
|
||
|
|
title: '保存成功',
|
||
|
|
icon: 'success'
|
||
|
|
});
|
||
|
|
},
|
||
|
|
fail: function(res) {
|
||
|
|
that.$util.Tips({
|
||
|
|
title: '保存失败'
|
||
|
|
});
|
||
|
|
},
|
||
|
|
})
|
||
|
|
// #endif
|
||
|
|
},
|
||
|
|
posterImageClose() {
|
||
|
|
this.$emit('update:posterStatus', false)
|
||
|
|
this.posterImage = ""
|
||
|
|
},
|
||
|
|
//图片转符合安全域名路径
|
||
|
|
downloadFilestoreImage(url) {
|
||
|
|
// #ifdef MP
|
||
|
|
let ishttps = url.split('//')[0] == 'https:'
|
||
|
|
if (!ishttps) {
|
||
|
|
url = 'https://'+url.split('//')[1]
|
||
|
|
}
|
||
|
|
// #endif
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
let that = this;
|
||
|
|
uni.downloadFile({
|
||
|
|
url: url,
|
||
|
|
success: function(res) {
|
||
|
|
resolve(res.tempFilePath);
|
||
|
|
},
|
||
|
|
fail: function() {
|
||
|
|
return that.$util.Tips({
|
||
|
|
title: ''
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
})
|
||
|
|
},
|
||
|
|
bargainPosterCanvas(arr2, title, label, msg, price, wd, hg, successFn) {
|
||
|
|
let that = this;
|
||
|
|
const ctx = uni.createCanvasContext('myCanvas', this);
|
||
|
|
ctx.clearRect(0, 0, 0, 0);
|
||
|
|
/**
|
||
|
|
* 只能获取合法域名下的图片信息,本地调试无法获取
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
ctx.fillStyle = '#ccc';
|
||
|
|
ctx.fillRect(0, 0, wd, hg);
|
||
|
|
uni.getImageInfo({
|
||
|
|
src: arr2[0],
|
||
|
|
success: (res) => {
|
||
|
|
console.log(arr2)
|
||
|
|
const WIDTH = res.width;
|
||
|
|
const HEIGHT = res.height;
|
||
|
|
ctx.drawImage(arr2[0], 0, 0, wd, hg);
|
||
|
|
// 保证在不同机型对应坐标准确
|
||
|
|
let labelx = 0.6656 //标签x
|
||
|
|
let labely = 0.167 //标签y
|
||
|
|
let pricex = 0.1847 //价格x
|
||
|
|
let pricey = 0.175 //价格y
|
||
|
|
let codex = 0.385 //二维码
|
||
|
|
let codey = 0.77
|
||
|
|
let picturex = 0.1571 //商品图左上点
|
||
|
|
let picturey = 0.2916
|
||
|
|
let picturebx = 0.6857 //商品图右下点
|
||
|
|
let pictureby = 0.3916
|
||
|
|
let msgx = 0.1036 //msg
|
||
|
|
let msgy = 0.2306
|
||
|
|
ctx.drawImage(arr2[1], wd * picturex, hg * picturey, wd * picturebx, hg * pictureby);
|
||
|
|
ctx.save();
|
||
|
|
ctx.drawImage(arr2[2], wd * codex, hg * codey, 55, 55);
|
||
|
|
ctx.save();
|
||
|
|
//标题
|
||
|
|
const CONTENT_ROW_LENGTH = 30;
|
||
|
|
let [contentLeng, contentArray, contentRows] = that.textByteLength(title, CONTENT_ROW_LENGTH);
|
||
|
|
if (contentRows > 2) {
|
||
|
|
contentRows = 2;
|
||
|
|
let textArray = contentArray.slice(0, 2);
|
||
|
|
textArray[textArray.length - 1] += '…';
|
||
|
|
contentArray = textArray;
|
||
|
|
}
|
||
|
|
ctx.setTextAlign('left');
|
||
|
|
ctx.setFillStyle('#000');
|
||
|
|
if (contentArray.length < 2) {
|
||
|
|
ctx.setFontSize(14);
|
||
|
|
} else {
|
||
|
|
ctx.setFontSize(12);
|
||
|
|
}
|
||
|
|
let contentHh = 3;
|
||
|
|
for (let m = 0; m < contentArray.length; m++) {
|
||
|
|
if (m) {
|
||
|
|
ctx.fillText(contentArray[m], 20, 20 + contentHh * m + 13, 1100);
|
||
|
|
} else {
|
||
|
|
ctx.fillText(contentArray[m], 20, 20, 1100);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// 标签内容
|
||
|
|
ctx.setTextAlign('left')
|
||
|
|
ctx.setFontSize(10);
|
||
|
|
ctx.setFillStyle('#FFF');
|
||
|
|
ctx.fillText(label, wd * labelx, hg * labely);
|
||
|
|
ctx.save();
|
||
|
|
// 价格
|
||
|
|
ctx.setFillStyle('red');
|
||
|
|
// ctx.setFontSize(16);
|
||
|
|
ctx.font = "bold 18px Arial";
|
||
|
|
ctx.fillText(price, wd * pricex, hg * pricey);
|
||
|
|
ctx.save();
|
||
|
|
// msg
|
||
|
|
ctx.setFontSize(8);
|
||
|
|
ctx.setFillStyle('#3F3F3F');
|
||
|
|
ctx.fillText(msg, wd * msgx, hg * msgy);
|
||
|
|
ctx.save();
|
||
|
|
ctx.draw(true, () => {
|
||
|
|
uni.canvasToTempFilePath({
|
||
|
|
canvasId: 'myCanvas',
|
||
|
|
fileType: 'png',
|
||
|
|
quality: 1,
|
||
|
|
success: (res) => {
|
||
|
|
console.log(res)
|
||
|
|
successFn && successFn(res.tempFilePath);
|
||
|
|
uni.hideLoading();
|
||
|
|
}
|
||
|
|
}, this)
|
||
|
|
});
|
||
|
|
},
|
||
|
|
fail: function(err) {
|
||
|
|
uni.hideLoading();
|
||
|
|
that.Tips({
|
||
|
|
title: '无法获取图片信息'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
})
|
||
|
|
},
|
||
|
|
textByteLength(text, num) {
|
||
|
|
let strLength = 0;
|
||
|
|
let rows = 1;
|
||
|
|
let str = 0;
|
||
|
|
let arr = [];
|
||
|
|
for (let j = 0; j < text.length; j++) {
|
||
|
|
if (text.charCodeAt(j) > 255) {
|
||
|
|
strLength += 2;
|
||
|
|
if (strLength > rows * num) {
|
||
|
|
strLength++;
|
||
|
|
arr.push(text.slice(str, j));
|
||
|
|
str = j;
|
||
|
|
rows++;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
strLength++;
|
||
|
|
if (strLength > rows * num) {
|
||
|
|
arr.push(text.slice(str, j));
|
||
|
|
str = j;
|
||
|
|
rows++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
arr.push(text.slice(str, text.length));
|
||
|
|
return [strLength, arr, rows] // [处理文字的总字节长度，每行显示内容的数组，行数]
|
||
|
|
},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<style>
|
||
|
|
.poster-poster {
|
||
|
|
width: 100%;
|
||
|
|
height: 100%;
|
||
|
|
width: 450rpx;
|
||
|
|
height: 714rpx;
|
||
|
|
}
|
||
|
|
.poster-pop {
|
||
|
|
position: fixed;
|
||
|
|
left: 50%;
|
||
|
|
transform: translateX(-50%);
|
||
|
|
top: 50%;
|
||
|
|
margin: 0 auto;
|
||
|
|
margin-top: -357rpx;
|
||
|
|
z-index: 999;
|
||
|
|
}
|
||
|
|
.poster-pop image {
|
||
|
|
width: 100%;
|
||
|
|
height: 100%;
|
||
|
|
display: block;
|
||
|
|
}
|
||
|
|
.poster-pop .close {
|
||
|
|
width: 46rpx;
|
||
|
|
height: 75rpx;
|
||
|
|
position: fixed;
|
||
|
|
right: 0;
|
||
|
|
top: -73rpx;
|
||
|
|
display: block;
|
||
|
|
z-index: 3999;
|
||
|
|
}
|
||
|
|
.poster-pop .save-poster {
|
||
|
|
background-color: var(--view-theme);
|
||
|
|
font-size: ：22rpx;
|
||
|
|
color: #fff;
|
||
|
|
text-align: center;
|
||
|
|
height: 76rpx;
|
||
|
|
line-height: 76rpx;
|
||
|
|
width: 100%;
|
||
|
|
margin-top: 20rpx;
|
||
|
|
}
|
||
|
|
.poster-pop .keep {
|
||
|
|
color: #fff;
|
||
|
|
text-align: center;
|
||
|
|
font-size: 25rpx;
|
||
|
|
margin-top: 10rpx;
|
||
|
|
}
|
||
|
|
.mask {
|
||
|
|
z-index: 300 !important;
|
||
|
|
position: fixed;
|
||
|
|
top: 0;
|
||
|
|
left: 0;
|
||
|
|
right: 0;
|
||
|
|
bottom: 0;
|
||
|
|
background-color: rgba(0, 0, 0, 0.6);
|
||
|
|
z-index: 9;
|
||
|
|
}
|
||
|
|
</style>
|