<el-upload class="avatar-uploader" action="https://jsonplaceholder.typicode.com/posts/" :show-file-list="false" :on-success="handleAvatarSuccess" :before-upload="beforeAvatarUpload"> <img v-if="beforPicture" :src="beforPicture" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload>怎么变成http样式
时间: 2024-02-14 08:09:18 浏览: 35
你可以将该代码段中的 `https` 替换为 `http` 即可将其变成 `http` 样式,如下所示:
```html
<el-upload
class="avatar-uploader"
action="http://jsonplaceholder.typicode.com/posts/"
:show-file-list="false"
:on-success="handleAvatarSuccess"
:before-upload="beforeAvatarUpload"
>
<img v-if="beforPicture" :src="beforPicture" class="avatar" />
<i v-else class="el-icon-plus avatar-uploader-icon"></i>
</el-upload>
```
请注意,使用 `http` 样式并不安全,因为它传输的数据不加密,容易被拦截和窃取。建议使用 `https` 样式来保证数据传输的安全性。
相关问题
使用<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>实现上传功能并回显图片
这段代码使用了 Element UI 的 el-upload 组件来实现上传功能并回显图片。其中,action 属性指定了上传文件的地址,:show-file-list="false" 表示不显示上传文件列表,:on-success="handleAvatarSuccess" 表示上传成功后的回调函数,:before-upload="beforeAvatarUpload" 表示上传前的回调函数。
在 data 中定义了 imageUrl 变量来保存上传成功后的图片地址。
handleAvatarSuccess 函数会在上传成功后被调用,将上传成功后的图片地址赋值给 imageUrl 变量,以便在页面上回显图片。
beforeAvatarUpload 函数会在上传之前被调用,用于校验上传文件的类型和大小。
完整的代码如下:
```
<template>
<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>
</template>
<script>
export default {
data() {
return {
imageUrl: ''
};
},
methods: {
handleAvatarSuccess(res, file) {
this.imageUrl = URL.createObjectURL(file.raw);
},
beforeAvatarUpload(file) {
const isJPG = file.type === 'image/jpeg';
const isLt2M = file.size / 1024 / 1024 < 2;
if (!isJPG) {
this.$message.error('上传头像图片只能是 JPG 格式!');
}
if (!isLt2M) {
this.$message.error('上传头像图片大小不能超过 2MB!');
}
return isJPG && isLt2M;
}
}
};
</script>
```
<el-form-item label="上传库房布局图片" prop="picUrl"> <el-upload class="avatar-uploader" accept="image/*" :headers="headers" :action="minioUploadApi" :show-file-list="false" :on-success="handleAvatarSuccessUpdate" :before-upload="beforeAvatarUpload" :limit="limitCount" :on-remove="(file, fileList)=>picsRemove('1',file, fileList)" > <img v-if="imageUrl" :src="formUpdate.picUrl" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon" /> </el-upload> </el-form-item> 改写成只能上传单张图片并可覆盖上传
<-form-item label="上传库房布局图片" prop="picUrl">
<el-upload
class="avatar-uploader"
accept="image/*"
:headers="headers"
:action="minioUploadApi"
:show-file-list="false"
:on-success="handleAvatarSuccessUpdate"
:before-upload="beforeAvatarUpload"
:limit="1"
:on-remove="(file, fileList)=>picsRemove('1', file, fileList)"
>
<img v-if="imageUrl" :src="formUpdate.picUrl" class="avatar">
<i v-else class="el-icon-plus avatar-uploader-icon" />
</el-upload>
</el-form-item>
上述代码将限制用户只能上传单张图片,并且可以使用新上传的图片覆盖之前的图片。