新增图片上传组件

master
RuoYi 3 years ago
parent ec4170a4f1
commit 61161cdd69
  1. 197
      src/components/ImageUpload/index.vue
  2. 3
      src/main.js

@ -0,0 +1,197 @@
<template>
<div class="component-upload-image">
<el-upload
:action="uploadImgUrl"
list-type="picture-card"
:on-success="handleUploadSuccess"
:before-upload="handleBeforeUpload"
:limit="limit"
:on-error="handleUploadError"
:on-exceed="handleExceed"
name="file"
:on-remove="handleRemove"
:show-file-list="true"
:headers="headers"
:file-list="fileList"
:on-preview="handlePictureCardPreview"
:class="{ hide: fileList.length >= limit }"
>
<el-icon class="avatar-uploader-icon"><plus /></el-icon>
</el-upload>
<!-- 上传提示 -->
<div class="el-upload__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
v-model="dialogVisible"
title="预览"
width="800px"
append-to-body
>
<img
:src="dialogImageUrl"
style="display: block; max-width: 100%; margin: 0 auto"
/>
</el-dialog>
</div>
</template>
<script setup>
import { getToken } from "@/utils/auth";
const props = defineProps({
modelValue: [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
},
});
const { proxy } = getCurrentInstance();
const emit = defineEmits();
const dialogImageUrl = ref("");
const dialogVisible = ref(false);
const baseUrl = import.meta.env.VITE_APP_BASE_API;
const uploadImgUrl = ref(import.meta.env.VITE_APP_BASE_API + "/common/upload"); //
const headers = ref({ Authorization: "Bearer " + getToken() });
const fileList = ref([]);
const showTip = computed(
() => props.isShowTip && (props.fileType || props.fileSize)
);
watch(() => props.modelValue, val => {
if (val) {
//
const list = Array.isArray(val) ? val : props.modelValue.split(",");
//
fileList.value = list.map(item => {
if (typeof item === "string") {
if (item.indexOf(baseUrl) === -1) {
item = { name: baseUrl + item, url: baseUrl + item };
} else {
item = { name: item, url: item };
}
}
return item;
});
} else {
fileList.value = [];
return [];
}
});
//
function handleRemove(file, files) {
const findex = fileList.value.map(f => f.name).indexOf(file.name);
if (findex > -1) {
fileList.value.splice(findex, 1);
emit("update:modelValue", listToString(fileList.value));
}
}
//
function handleUploadSuccess(res) {
fileList.value.push({ name: res.fileName, url: res.fileName });
emit("update:modelValue", listToString(fileList.value));
proxy.$modal.closeLoading();
}
// loading
function handleBeforeUpload(file) {
let isImg = false;
if (props.fileType.length) {
let fileExtension = "";
if (file.name.lastIndexOf(".") > -1) {
fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
}
isImg = props.fileType.some(type => {
if (file.type.indexOf(type) > -1) return true;
if (fileExtension && fileExtension.indexOf(type) > -1) return true;
return false;
});
} else {
isImg = file.type.indexOf("image") > -1;
}
if (!isImg) {
proxy.$modal.msgError(
`文件格式不正确, 请上传${props.fileType.join("/")}图片格式文件!`
);
return false;
}
if (props.fileSize) {
const isLt = file.size / 1024 / 1024 < props.fileSize;
if (!isLt) {
proxy.$modal.msgError(`上传头像图片大小不能超过 ${props.fileSize} MB!`);
return false;
}
}
proxy.$modal.loading("上传中");
}
//
function handleExceed() {
proxy.$modal.msgError(`上传文件数量不能超过 ${props.limit} 个!`);
}
//
function handleUploadError() {
proxy.$modal.msgError("上传失败");
proxy.$modal.closeLoading();
}
//
function handlePictureCardPreview(file) {
dialogImageUrl.value = file.url;
dialogVisible.value = true;
}
//
function listToString(list, separator) {
let strs = "";
separator = separator || ",";
for (let i in list) {
strs += list[i].url.replace(baseUrl, "") + separator;
}
return strs != "" ? strs.substr(0, strs.length - 1) : "";
}
</script>
<style scoped lang="scss">
// .el-upload--picture-card
:deep(.hide .el-upload--picture-card) {
display: none;
}
//
:deep(.el-list-enter-active),
:deep(.el-list-leave-active) {
transition: all 0s;
}
:deep(.el-list-enter, .el-list-leave-active) {
opacity: 0;
transform: translateY(0);
}
</style>

@ -31,6 +31,8 @@ import { parseTime, resetForm, addDateRange, handleTree, selectDictLabel } from
import Pagination from '@/components/Pagination' import Pagination from '@/components/Pagination'
// 自定义表格工具组件 // 自定义表格工具组件
import RightToolbar from '@/components/RightToolbar' import RightToolbar from '@/components/RightToolbar'
// 图片上传组件
import ImageUpload from "@/components/ImageUpload"
// 自定义树选择组件 // 自定义树选择组件
import TreeSelect from '@/components/TreeSelect' import TreeSelect from '@/components/TreeSelect'
// 字典标签组件 // 字典标签组件
@ -51,6 +53,7 @@ app.config.globalProperties.selectDictLabel = selectDictLabel
app.component('DictTag', DictTag) app.component('DictTag', DictTag)
app.component('Pagination', Pagination) app.component('Pagination', Pagination)
app.component('TreeSelect', TreeSelect) app.component('TreeSelect', TreeSelect)
app.component('ImageUpload', ImageUpload)
app.component('RightToolbar', RightToolbar) app.component('RightToolbar', RightToolbar)
app.use(router) app.use(router)

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