bug fix

src/view/iframe/publish/give-dialog.vue

@@ -523,6 +523,7 @@ let cropperType = ref('before')
 let customPosterInfo = ref({})
 let customPosterData = ref({})
 let customShowNewImage = ref(false)
+let refCropper = ref('')
 
 // 当前展示组件内容 default(表单)  preview(预览)  topUp(充值)
 let showComType = ref("default"); 
@@ -1747,41 +1748,44 @@ const selectImage = (option) => {
 const confirmImage = () => {
     let contentType = 'image/png';
     cropperLoading.value = true;
-    currentInstance.ctx.$refs.refCropper.getCropBlob(imgData => {
-        uploadSignature({
-            params: {
-                bizType: 1,
-                fileType: 1,
-                contentType: contentType,
-                fileSuffix: 'png',
-            }
-        }).then(res => {
-            let { code, data } = res;
-            if (code === 0) {
-                let reader = new FileReader()
-                    reader.readAsArrayBuffer(imgData)
-                    reader.onload = function(e) {
-                        let execFile = e.target.result;
-                        uploadFile({
-                            url: data.url,
-                            data: new Blob([execFile]),
-                            headers: {
-                                'Authorization': data.authorization,
-                                'x-amz-date': data.date,
-                                'Content-Type': contentType
-                            }
-                        }).then(res => {
-                            let { status } = res
-                            if (status == 200) {
-                                successImage(data)
-                            }
-                        }).finally(() => {
-                            cropperLoading.value = false;
-                        })
-                    }
-            }
+    
+    if (refCropper.value) {
+        refCropper.value.getCropBlob(imgData => {
+            uploadSignature({
+                params: {
+                    bizType: 1,
+                    fileType: 1,
+                    contentType: contentType,
+                    fileSuffix: 'png',
+                }
+            }).then(res => {
+                let { code, data } = res;
+                if (code === 0) {
+                    let reader = new FileReader()
+                        reader.readAsArrayBuffer(imgData)
+                        reader.onload = function(e) {
+                            let execFile = e.target.result;
+                            uploadFile({
+                                url: data.url,
+                                data: new Blob([execFile]),
+                                headers: {
+                                    'Authorization': data.authorization,
+                                    'x-amz-date': data.date,
+                                    'Content-Type': contentType
+                                }
+                            }).then(res => {
+                                let { status } = res
+                                if (status == 200) {
+                                    successImage(data)
+                                }
+                            }).finally(() => {
+                                cropperLoading.value = false;
+                            })
+                        }
+                }
+            })
         })
-    })
+    }
 }
 const successImage = (data) => {
     hiddenDialog()