一些测试代码

src/components/common/cropper-img.vue

@@ -123,10 +123,12 @@ export default {
       console.log('cropParam', cropParam);
       this.cropper.getCroppedCanvas().toBlob(function (blob) {
         let files = new window.File([blob], 'cropper.jpg');
-        console.log(files);
-        let oFileReader = new FileReader()
+        console.log('getCroppedCanvas', files);
+        let oFileReader = new window.FileReader()
+        console.log('oFileReader', oFileReader);
         oFileReader.onloadend = function (e) {
-          let base64 = e.target.result
+          console.log('e.target.result', e, e.target, e.target.result);
+          let base64 = e.target.result;
           _this.$emit('getCropImg', base64, cropParam, files, _this.cropper)
         }
         oFileReader.readAsDataURL(blob)