父頁面引用
<ImagePreviewAndUpload v-model="addStationDialog.RuleForm.deliveryCompanyLogo"
@uploadSuccess="onHandleAddCompanyLogo"/>
回調(diào)方法
onHandleAddCompanyLogo(val){
this.addStationDialog.RuleForm.deliveryCompanyLogo = val
},
自定義組件
<template>
<div>
<el-upload
class="avatar-uploader"
action="https://jsonplaceholder.typicode.com/posts/"
:show-file-list="false"
:on-success="handleAvatarSuccess"
:before-upload="beforeAvatarUpload">
<img v-if="imageUrl" :src="imageUrl" class="avatar">
<i v-else class="el-icon-plus avatar-uploader-icon"></i>
</el-upload>
</div>
</template>
<script>
export default {
name: 'ImagePreviewAndUpload',
props:['value'],
data(){
return{
imageUrl:this.value,
}
},
methods: {
handleAvatarSuccess(res, file) {
this.imageUrl = URL.createObjectURL(file.raw);
this.$emit('uploadSuccess',this.imageUrl)
},
beforeAvatarUpload(file) {
const isGIF = file.type === 'image/gif';
const isJPG = file.type === 'image/jpeg';
const isPNG = file.type === 'image/png';
const isLt2M = file.size / 1024 / 1024 < 2;
if(!isJPG && !isPNG && !isGIF) {
this.$message.error('上傳頭像圖片只能是 JPG,PNG,GIF 格式!');
}
if(!isLt2M) {
this.$message.error('上傳頭像圖片大小不能超過 2MB!');
}
return (isJPG || isPNG || isGIF) && isLt2M;
}
}
}
</script>
<style>
.avatar-uploader .el-upload {
border: 1px dashed #d9d9d9;
border-radius: 6px;
cursor: pointer;
position: relative;
overflow: hidden;
}
.avatar-uploader .el-upload:hover {
border-color: #409EFF;
}
.avatar-uploader-icon {
font-size: 28px;
color: #8c939d;
width: 100px;
height: 100px;
line-height: 100px;
text-align: center;
}
.avatar{
width: 100px;
height: 100px;
display: block;
}
</style>
