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图片压缩时 不能大于1080

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java110 2021-05-30 09:37:31 +08:00
parent 75362a6342
commit 277e96f0f7
1 changed files with 13 additions and 1 deletions
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14
utils/translate-image.js
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@ -21,8 +21,20 @@ export function translate(imgSrc, callback) {
var h = that.height; var h = that.height;
// 默认按比例压缩 // 默认按比例压缩
var w = that.width; var w = that.width;
if(h > 1080 || w > 1080){
let _rate = 0;
if(h > w){
_rate = h/1080;
h = 1080;
w = Math.floor(w/_rate);
}else{
_rate = w/1080;
w = 1080;
h = Math.floor(h/_rate);
}
}
var canvas = document.createElement('canvas'); var canvas = document.createElement('canvas');