ImageUpload组件支持多图片上传

This commit is contained in:
RuoYi 2021-07-08 19:17:09 +08:00
parent e259093e01
commit f56da498ab
3 changed files with 165 additions and 54 deletions

View File

@ -163,13 +163,14 @@ export default {
return ""; return "";
} }
}, },
// //
listToString(list) { listToString(list, separator) {
let files = ""; let strs = "";
for (let key in list) { separator = separator || ",";
files += list[key].url + ","; for (let i in list) {
strs += list[i].url + separator;
} }
return files.substr(0, files.length - 1); return strs != '' ? strs.substr(0, strs.length - 1) : '';
} }
} }
}; };

View File

@ -5,33 +5,38 @@
list-type="picture-card" list-type="picture-card"
:on-success="handleUploadSuccess" :on-success="handleUploadSuccess"
:before-upload="handleBeforeUpload" :before-upload="handleBeforeUpload"
:limit="limit"
:on-error="handleUploadError" :on-error="handleUploadError"
:on-exceed="handleExceed"
name="file" name="file"
:show-file-list="false" :on-remove="handleRemove"
:show-file-list="true"
:headers="headers" :headers="headers"
style="display: inline-block; vertical-align: top" :file-list="fileList"
:on-preview="handlePictureCardPreview"
:class="{hide: this.fileList.length >= this.limit}"
> >
<el-image v-if="!value" :src="value"> <i class="el-icon-plus"></i>
<div slot="error" class="image-slot">
<i class="el-icon-plus" />
</div>
</el-image>
<div v-else class="image">
<el-image :src="value" :style="`width:150px;height:150px;`" fit="fill"/>
<div class="mask">
<div class="actions">
<span title="预览" @click.stop="dialogVisible = true">
<i class="el-icon-zoom-in" />
</span>
<span title="移除" @click.stop="removeImage">
<i class="el-icon-delete" />
</span>
</div>
</div>
</div>
</el-upload> </el-upload>
<el-dialog :visible.sync="dialogVisible" title="预览" width="800" append-to-body>
<img :src="value" style="display: block; max-width: 100%; margin: 0 auto;"> <!-- 上传提示 -->
<div class="el-upload__tip" slot="tip" v-if="showTip">
请上传
<template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
<template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
的文件
</div>
<el-dialog
:visible.sync="dialogVisible"
title="预览"
width="800"
append-to-body
>
<img
:src="dialogImageUrl"
style="display: block; max-width: 100%; margin: 0 auto"
/>
</el-dialog> </el-dialog>
</div> </div>
</template> </template>
@ -40,36 +45,128 @@
import { getToken } from "@/utils/auth"; import { getToken } from "@/utils/auth";
export default { export default {
props: {
value: [String, Object, Array],
//
limit: {
type: Number,
default: 5,
},
// (MB)
fileSize: {
type: Number,
default: 5,
},
// , ['png', 'jpg', 'jpeg']
fileType: {
type: Array,
default: () => ["png", "jpg", "jpeg"],
},
//
isShowTip: {
type: Boolean,
default: true
}
},
data() { data() {
return { return {
dialogImageUrl: "",
dialogVisible: false, dialogVisible: false,
hideUpload: false,
baseUrl: process.env.VUE_APP_BASE_API,
uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload", // uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload", //
headers: { headers: {
Authorization: "Bearer " + getToken(), Authorization: "Bearer " + getToken(),
}, },
fileList: []
}; };
}, },
props: { watch: {
value: { value: {
type: String, handler(val) {
default: "", if (val) {
//
const list = Array.isArray(val) ? val : this.value.split(',');
//
this.fileList = list.map(item => {
if (typeof item === "string") {
if (item.indexOf(this.baseUrl) === -1) {
item = { name: this.baseUrl + item, url: this.baseUrl + item };
} else {
item = { name: item, url: item };
}
}
return item;
});
} else {
this.fileList = [];
return [];
}
},
deep: true,
immediate: true
}
},
computed: {
//
showTip() {
return this.isShowTip && (this.fileType || this.fileSize);
}, },
}, },
methods: { methods: {
removeImage() { //
this.$emit("input", ""); handleRemove(file, fileList) {
const findex = this.fileList.indexOf(file.name);
this.fileList.splice(findex, 1);
this.$emit("input", this.listToString(this.fileList));
}, },
//
handleUploadSuccess(res) { handleUploadSuccess(res) {
this.$emit("input", res.url); this.fileList.push({ name: res.fileName, url: res.fileName });
this.$emit("input", this.listToString(this.fileList));
this.loading.close(); this.loading.close();
}, },
handleBeforeUpload() { // loading
handleBeforeUpload(file) {
let isImg = false;
if (this.fileType.length) {
let fileExtension = "";
if (file.name.lastIndexOf(".") > -1) {
fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
}
isImg = this.fileType.some(type => {
if (file.type.indexOf(type) > -1) return true;
if (fileExtension && fileExtension.indexOf(type) > -1) return true;
return false;
});
} else {
isImg = file.type.indexOf("image") > -1;
}
if (!isImg) {
this.$message.error(
`文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`
);
return false;
}
if (this.fileSize) {
const isLt = file.size / 1024 / 1024 < this.fileSize;
if (!isLt) {
this.$message.error(`上传头像图片大小不能超过 ${this.fileSize} MB!`);
return false;
}
}
this.loading = this.$loading({ this.loading = this.$loading({
lock: true, lock: true,
text: "上传中", text: "上传中",
background: "rgba(0, 0, 0, 0.7)", background: "rgba(0, 0, 0, 0.7)",
}); });
}, },
//
handleExceed() {
this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`);
},
//
handleUploadError() { handleUploadError() {
this.$message({ this.$message({
type: "error", type: "error",
@ -77,24 +174,37 @@ export default {
}); });
this.loading.close(); this.loading.close();
}, },
//
handlePictureCardPreview(file) {
this.dialogImageUrl = file.url;
this.dialogVisible = true;
}, },
watch: {}, //
listToString(list, separator) {
let strs = "";
separator = separator || ",";
for (let i in list) {
strs += list[i].url + separator;
}
return strs != '' ? strs.substr(0, strs.length - 1) : '';
}
}
}; };
</script> </script>
<style scoped lang="scss"> <style scoped lang="scss">
.image { // .el-upload--picture-card
position: relative; ::v-deep.hide .el-upload--picture-card {
.mask { display: none;
}
//
::v-deep .el-list-enter-active,
::v-deep .el-list-leave-active {
transition: all 0s;
}
::v-deep .el-list-enter, .el-list-leave-active {
opacity: 0; opacity: 0;
position: absolute; transform: translateY(0);
top: 0;
width: 100%;
background-color: rgba(0, 0, 0, 0.5);
transition: all 0.3s;
}
&:hover .mask {
opacity: 1;
}
} }
</style> </style>