multiUpload.vue
<template>
<div>
<el-upload
action="http://gulimall-hello.oss-cn-beijing.aliyuncs.com"
:data="dataObj"
:list-type="listType"
:file-list="fileList"
:before-upload="beforeUpload"
:on-remove="handleRemove"
:on-success="handleUploadSuccess"
:on-preview="handlePreview"
:limit="maxCount"
:on-exceed="handleExceed"
:show-file-list="showFile"
>
<i class="el-icon-plus"></i>
</el-upload>
<el-dialog :visible.sync="dialogVisible">
<img width="100%" :src="dialogImageUrl" alt />
</el-dialog>
</div>
</template>
<script>
import { policy } from "./policy";
import { getUUID } from "@/utils";
export default {
name: "multiUpload",
props: {
//图片属性数组
value: Array,
//最大上传图片数量
maxCount: {
type: Number,
default: 30,
},
listType: {
type: String,
default: "picture-card",
},
showFile: {
type: Boolean,
default: true,
},
},
data() {
return {
dataObj: {
policy: "",
signature: "",
key: "",
ossaccessKeyId: "",
dir: "",
host: "",
uuid: "",
},
dialogVisible: false,
dialogImageUrl: null,
};
},
computed: {
fileList() {
let fileList = [];
for (let i = 0; i < this.value.length; i++) {
fileList.push({ url: this.value[i] });
}
return fileList;
},
},
mounted() {},
methods: {
emitInput(fileList) {
let value = [];
for (let i = 0; i < fileList.length; i++) {
value.push(fileList[i].url);
}
this.$emit("input", value);
},
handleRemove(file, fileList) {
this.emitInput(fileList);
},
handlePreview(file) {
this.dialogVisible = true;
this.dialogImageUrl = file.url;
},
beforeUpload(file) {
let _self = this;
return new Promise((resolve, reject) => {
policy()
.then((response) => {
console.log("这是什么${filename}");
_self.dataObj.policy = response.data.policy;
_self.dataObj.signature = response.data.signature;
_self.dataObj.ossaccessKeyId = response.data.accessid;
_self.dataObj.key = response.data.dir + getUUID() + "_${filename}";
_self.dataObj.dir = response.data.dir;
_self.dataObj.host = response.data.host;
resolve(true);
})
.catch((err) => {
console.log("出错了...", err);
reject(false);
});
});
},
handleUploadSuccess(res, file) {
this.fileList.push({
name: file.name,
// url: this.dataObj.host + "/" + this.dataObj.dir + "/" + file.name; 替换${filename}为真正的文件名
url:
this.dataObj.host +
"/" +
this.dataObj.key.replace("${filename}", file.name),
});
this.emitInput(this.fileList);
},
handleExceed(files, fileList) {
this.$message({
message: "最多只能上传" + this.maxCount + "张图片",
type: "warning",
duration: 1000,
});
},
},
};
</script>
<style>
</style>
singleUpload.vue
<template>
<div>
<el-upload
action="http://gulimall-hello.oss-cn-beijing.aliyuncs.com"
:data="dataObj"
list-type="picture"
:multiple="false"
:show-file-list="showFileList"
:file-list="fileList"
:before-upload="beforeUpload"
:on-remove="handleRemove"
:on-success="handleUploadSuccess"
:on-preview="handlePreview"
>
<el-button size="small" type="primary">点击上传</el-button>
<div slot="tip" class="el-upload__tip">
只能上传jpg/png文件,且不超过10MB
</div>
</el-upload>
<el-dialog :visible.sync="dialogVisible">
<img width="100%" :src="fileList[0].url" alt="" />
</el-dialog>
</div>
</template>
<script>
import { policy } from "./policy";
import { getUUID } from "@/utils";
export default {
name: "singleUpload",
props: {
value: String,
},
computed: {
imageUrl() {
return this.value;
},
imageName() {
if (this.value != null && this.value !== "") {
return this.value.substr(this.value.lastIndexOf("/") + 1);
} else {
return null;
}
},
fileList() {
return [
{
name: this.imageName,
url: this.imageUrl,
},
];
},
showFileList: {
get: function () {
return (
this.value !== null && this.value !== "" && this.value !== undefined
);
},
set: function (newValue) {},
},
},
data() {
return {
dataObj: {
policy: "",
signature: "",
key: "",
ossaccessKeyId: "",
dir: "",
host: "",
// callback:'',
},
dialogVisible: false,
};
},
methods: {
emitInput(val) {
this.$emit("input", val);
},
handleRemove(file, fileList) {
this.emitInput("");
},
handlePreview(file) {
this.dialogVisible = true;
},
beforeUpload(file) {
let _self = this;
return new Promise((resolve, reject) => {
policy()
.then((response) => {
console.log("响应的数据", response);
_self.dataObj.policy = response.data.policy;
_self.dataObj.signature = response.data.signature;
_self.dataObj.ossaccessKeyId = response.data.accessid;
_self.dataObj.key = response.data.dir + getUUID() + "_${filename}";
_self.dataObj.dir = response.data.dir;
_self.dataObj.host = response.data.host;
console.log("响应的数据222。。。", _self.dataObj);
resolve(true);
})
.catch((err) => {
reject(false);
});
});
},
handleUploadSuccess(res, file) {
console.log("上传成功...");
this.showFileList = true;
this.fileList.pop();
this.fileList.push({
name: file.name,
url:
this.dataObj.host +
"/" +
this.dataObj.key.replace("${filename}", file.name),
});
this.emitInput(this.fileList[0].url);
},
},
};
</script>
<style>
</style>
policy.js
import http from '@/utils/httpRequest.js'
export function policy() {
return new Promise((resolve, reject) => {
http({
url: http.adornUrl("/thirdparty/oss/policy"),
method: "get",
params: http.adornParams({})
}).then(({ data }) => {
resolve(data);
})
});
}