update
This commit is contained in:
parent
165958a2d4
commit
bf4b70506b
@ -13,3 +13,41 @@
|
|||||||
## 使用
|
## 使用
|
||||||
页面现在默认已经写好了,通过页面进行生成了
|
页面现在默认已经写好了,通过页面进行生成了
|
||||||
```
|
```
|
||||||
|
$(".download").click(() => {
|
||||||
|
new html2canvas(document.getElementById('app'), {
|
||||||
|
allowTaint: true,
|
||||||
|
taintTest: true,
|
||||||
|
useCORS: true,
|
||||||
|
background: null,
|
||||||
|
windowWidth:document.body.scrollWidth,
|
||||||
|
windowHeight:document.body.scrollHeight,
|
||||||
|
x:(document.body.scrollWidth - width)/2,
|
||||||
|
y:0
|
||||||
|
}).then(canvas => {
|
||||||
|
// canvas为转换后的Canvas对象
|
||||||
|
// imgBlob = canvas.toDataURL('image/jpeg', 1.0);
|
||||||
|
// imgBlob = imgBlob.toString().substring(imgBlob.indexOf(",") + 1);
|
||||||
|
// window.saveAs(imgBlob, 'my-node.png');
|
||||||
|
let imgUrl = Canvas2Image.convertToPNG(canvas,$("#app").width(),$("#app").height())
|
||||||
|
console.log($(imgUrl).attr('src'))
|
||||||
|
imgUrl = $(imgUrl).attr('src')
|
||||||
|
// 如果浏览器支持msSaveOrOpenBlob方法(也就是使用IE浏览器的时候),那么调用该方法去下载图片
|
||||||
|
if (window.navigator.msSaveOrOpenBlob) {
|
||||||
|
var bstr = atob(imgUrl.split(',')[1])
|
||||||
|
var n = bstr.length
|
||||||
|
var u8arr = new Uint8Array(n)
|
||||||
|
while (n--) {
|
||||||
|
u8arr[n] = bstr.charCodeAt(n)
|
||||||
|
}
|
||||||
|
var blob = new Blob([u8arr])
|
||||||
|
window.navigator.msSaveOrOpenBlob(blob, new Date().getTime() + '.' + 'png')
|
||||||
|
} else {
|
||||||
|
// 这里就按照chrome等新版浏览器来处理
|
||||||
|
const a = document.createElement('a')
|
||||||
|
a.href = imgUrl
|
||||||
|
a.setAttribute('download', new Date().getTime() + '.png')
|
||||||
|
a.click()
|
||||||
|
}
|
||||||
|
});
|
||||||
|
})
|
||||||
|
```
|
Loading…
Reference in New Issue
Block a user