< el-upload
class= "avatar-uploader"
:show-file-list=" false"
with-credentials //携带cookie
name= "file"
                :action="uploadUrl()"
:on-error=" uploadError"
:on-success=" handleAvatarSuccess"
:before-upload=" beforeAvatarUpload"
enctype= "multipart/form-data" >
< img v-if=" imageUrl" :src=" noticeImageUrl" class= "avatar" >
< i v-else class= "el-icon-plus avatar-uploader-icon" ></ i >
</ el-upload >

下边是方法,执行顺序:beforeAvatarUpload ---执行action提交----执行handleAvatarSuccess or uploadError


uploadUrl() {
        var url = process.env.BASE_API + "url" // 生产环境和开发环境的判断
        return url
},

    uploadError() {

this. $message. error( '上传失败,请重新上传')
// this.showNoticeUploading = false
},
// 上传图片-成功
handleAvatarSuccess( res, file) {
if ( this. activeName == '1') {
this. imageUrl = URL. createObjectURL( file. raw)
this. showNoticeUploading = false
this. noticeImageUrl = res
this. noteInform. templatePicture = res
} else if ( this. activeName == '3') {
this. markingpic = URL. createObjectURL( file. raw)
this. showMarkingUploading = false
this. marketImageUrl = res
this. marketingInform. templatePicture = res
}
},
// 图片长传-之前
beforeAvatarUpload( file) {
this. showNoticeUploading = true
const isJPG = file. type === 'image/jpeg';
const isLt2M = file. size / 1024 / 1024 < 2;
if (! isJPG) {
this. $message. error( '上传头像图片只能是 JPG 格式!')
return
}
if (! isLt2M) {
this. $message. error( '上传头像图片大小不能超过 2MB!')
return
}
},

GitHub 加速计划 / eleme / element
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A Vue.js 2.0 UI Toolkit for Web
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