头像裁切

src/components/imghead.vue

@@ -0,0 +1,100 @@
+<template>
+    <div class="imghead">
+        <img id="image" />
+        <div class="submit-btn" @click="sub">{{lan.$t("baocun") }}</div>
+    </div>
+</template>
+<style lang="scss" scoped>
+.imghead {
+    padding-top:0.3rem;
+    width: 550px;
+    // height: 550px;
+    // overflow: hidden;
+    #image{
+        width: 500px;
+        height: 500px;
+    }
+    .submit-btn {
+        width: 63px;
+        height: 23px;
+        background: #08ae98;
+        border-radius: 3px;
+        font-size: 10px;
+        font-weight: 500;
+        color: #ffffff;
+        text-align: center;
+        line-height: 23px;
+        cursor: pointer;
+        user-select: none;
+       
+        margin: 20px 0 0 auto;
+    }
+
+}
+</style>
+<script lang="ts">
+import { useI18n } from '@/utils/i18n';
+import { uploadflie } from '@/utils/vod';
+import { defineComponent, onMounted } from "vue";
+export default defineComponent({
+    props: {
+        url: {
+            type: File,
+        },
+    },
+    setup(props, ctx) {
+        const lan: any = useI18n();
+        let CROPPER: any;
+        onMounted(() => {
+            const reader = new FileReader();
+            if (props.url) {
+                reader.readAsDataURL(props.url);
+                reader.onload = () => {
+                    const dataURL = reader.result;
+                    //将img的src改为刚上传的文件的转换格式
+                    const image: any = document.querySelector("#image");
+                    console.log(image)
+                    if(image){
+                        console.log(110)
+                        image.src = dataURL;
+                         //创建cropper实例-----------------------------------------
+                        CROPPER = new window.Cropper(image, {
+                            aspectRatio: 1,
+                            viewMode: 1,
+                            background: false,
+                            zoomable: false
+                           
+                        });
+                            
+                    }
+
+                   
+                };
+            }
+        });
+        function sub(){
+            if(CROPPER){
+                CROPPER.getCroppedCanvas({
+                    maxWidth: 4096,
+                    maxHeight: 4096,
+                    fillColor: '#fff',
+                    imageSmoothingEnabled: true,
+                    imageSmoothingQuality: 'high',
+                }).toBlob(async (blob: any) => {
+                    //之后就可以愉快的将blob数据发送至后端啦，可根据自己情况进行发送，我这里用的是axios
+                    // 第三个参数为文件名，可选填.
+                    const file =  new File([blob], 'name.png',{type: "image/png"});
+                    const res = await uploadflie(file, (info: any) => {
+                            console.log(info);
+                    });
+                    ctx.emit("upload", res)
+                })
+            }
+        }
+        return {
+            lan,
+            sub
+        };
+    },
+});
+</script>