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fix：解决截图有白边的问题

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This commit is contained in:
奔跑的面条 2022-06-09 08:48:28 +08:00
parent 3c820d53a6
commit 1252d266dd
2 changed files with 6 additions and 2 deletions
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4
src/utils/utils.ts
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@ -155,7 +155,9 @@ export const canvasCut = (html: HTMLElement | null, callback?: Function) => {
return
}
html2canvas(html).then((canvas: HTMLCanvasElement) => {
html2canvas(html, {
backgroundColor: null
}).then((canvas: HTMLCanvasElement) => {
window['$message'].success('导出成功！')
downloadByA(canvas.toDataURL(), undefined, 'png')
if (callback) callback()

4
src/views/chart/hooks/useSync.hook.ts
View File

@ -133,7 +133,9 @@ export const useSync = () => {
const range = document.querySelector('.go-edit-range') as HTMLElement
const ruler = document.getElementById('mb-ruler')
// 生成图片
const canvasImage: HTMLCanvasElement = await html2canvas(range)
const canvasImage: HTMLCanvasElement = await html2canvas(range, {
backgroundColor: null
})
// 上传预览图
let uploadParams = new FormData()