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更换贺报下载的方法4

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xuxingjun
2024-12-25 14:09:02 +08:00
parent 816afd12e2
commit cc9d93b3ae
1 changed files with 55 additions and 84 deletions
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139
src/views/ebiz/generateImg/generateImg.vue
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@@ -17,7 +17,7 @@
<!-- <van-button square type="default" :disabled="shareJin" size="large" @click="shareImg" v-no-more-click="1000"> 分享 </van-button> -->
<!-- <van-button square type="danger" :disabled="downLoadJin" size="large" @click="downLoadImagesFunc" v-no-more-click="1000"> 下载 </van-button> -->
<button class="shareImg" @click="fenxiang()"> 分享 </button>
<button class="downLoad" @click="downloadFn()"> 下载 </button>
<button class="downLoad" @click="domToImage()"> 下载 </button>
</div>
<div class="close" @click="close()">
<van-icon name="cross" size="38" color="#fff" />
@@ -161,57 +161,67 @@ export default {
let domElement = this.$refs.generateImg;
async function captureAndProcessImage() {
try {
console.log(1111);
try {
// 获取 DOM 元素
console.log('this.$refs.generateImg', domElement);
console.log(location);
console.log('this.$refs.generateImg', domElement);
console.log(location);
console.log(2222);
// 使用 html2canvas 捕获图像，并等待其完成
const canvas = await html2canvas(domElement, {
width: domElement.offsetWidth,
height: domElement.offsetHeight,
backgroundColor: '#fff',
scale: 1,
dpi: 300
});
// 使用 html2canvas 捕获图像，并等待其完成
const canvas = await html2canvas(domElement, {
width: domElement.offsetWidth,
height: domElement.offsetHeight,
backgroundColor: '#fff',
scale: 1,
dpi: 300
});
// 将画布转换为 Blob，并等待其完成
const blob = await new Promise((resolve, reject) => {
canvas.toBlob(resolve, 'image/png');
});
console.log(blob);
// 将 Blob 转换为 Base64 字符串，并等待其完成
const base64String = await new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onloadend = () => resolve(reader.result)
reader.onerror = reject
reader.readAsDataURL(blob)
})
// 将画布转换为 Blob，并等待其完成
const blob = await new Promise((resolve, reject) => {
canvas.toBlob(resolve, 'image/png');
console.log(3333);
});
// let arr = false
// // 将 Blob 转换为 Base64 字符串，并等待其完成
// if(arr == false) {
// arr = true
var base64String = await new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onloadend = () => resolve(reader.result)
reader.onerror = reject
reader.readAsDataURL(blob)
console.log(4444);
})
// }
// 调用 base64Excel 函数，并等待其完成
const res = await base64Excel({ base64Img: base64String });
// 检查结果，并处理下载逻辑
if (res.result === '0') {
console.log('xingxing');
// if (!this.downLoadJin) {
// this.downLoadJin = true;
// 调用原生应用下载接口，并等待其完成
await EWebBridge.webCallAppInJs('download', {
name: '业绩贺报.png',
url: res.path
});
console.log('下载完成');
// } else {
// // this.$toast.fail('已有下载任务在进行，请稍后再试！');
// }
// 5 秒后重置下载标志
// setTimeout(() => {
// this.downLoadJin = false;
// }, 5000);
}
// 调用 base64Excel 函数，并等待其完成
const res = await base64Excel({ base64Img: base64String });
// 检查结果，并处理下载逻辑
if (res.result === '0') {
console.log(5555);
// if (!this.downLoadJin) {
// this.downLoadJin = true;
// 调用原生应用下载接口，并等待其完成
await EWebBridge.webCallAppInJs('download', {
name: '业绩贺报.png',
url: res.path
});
console.log('下载完成');
// } else {
// // this.$toast.fail('已有下载任务在进行，请稍后再试！');
// }
// 5 秒后重置下载标志
// setTimeout(() => {
// this.downLoadJin = false;
// }, 5000);
// arr = false
}
} catch (error) {
console.log(6666);
// 处理整个过程中的任何错误
console.error('Error capturing or processing the image:', error);
// this.$toast.fail('图片处理或下载失败，请重试！');
@@ -221,45 +231,6 @@ export default {
// 调用 captureAndProcessImage 函数
captureAndProcessImage();
},
downloadFn() {
html2canvas(this.$refs.generateImg).then(canvas => {
// 可以在这里处理canvas，如显示、保存等
// 示例：将canvas内容转换为图片并触发下载
var image = canvas.toDataURL("image/png").replace("image/png", "image/octet-stream");
var link = document.createElement('a');
link.download = '业绩贺报.png';
link.href = image;
link.click();
});
},
// getUrlBase64(url, kh) {
// return new Promise((resolve) => {
// let canvas = document.createElement('canvas');
// const ctx = canvas.getContext('2d');
// const img = new Image();
// img.crossOrigin = 'Anonymous'; // 允许跨域
// img.src = url;
// img.onload = () => {
// // eslint-disable-next-line prefer-destructuring
// canvas.height = kh[1];
// // eslint-disable-next-line prefer-destructuring
// canvas.width = kh[0];
// ctx.drawImage(img, 0, 0, kh[0], kh[1]);
// const dataURL = canvas.toDataURL('image/png');
// canvas = null;
// resolve(dataURL);
// };
// });
// },
// download(imgUrl, kh) {
// this.getUrlBase64(imgUrl, kh).then((base64) => {
// const link = document.createElement('a');
// link.href = base64;
// link.download = `业绩贺报.png`;
// link.click();
// // this.$toast('下载成功')
// });
// },
close() {
this.$emit('child-colse', '1')
this.$refs.generateImg.src = '';