element-ui中的图片上传-代码详细版
element
A Vue.js 2.0 UI Toolkit for Web
项目地址:https://gitcode.com/gh_mirrors/eleme/element
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·
<
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
}
},
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A Vue.js 2.0 UI Toolkit for Web
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