From f56da498ab4a174e2fe6c6562b36b3a7dcc81cea Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期四, 08 七月 2021 19:17:09 +0800
Subject: [PATCH] ImageUpload组件支持多图片上传
---
ruoyi-ui/src/components/ImageUpload/index.vue | 202 +++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 156 insertions(+), 46 deletions(-)
diff --git a/ruoyi-ui/src/components/ImageUpload/index.vue b/ruoyi-ui/src/components/ImageUpload/index.vue
index ce540eb..062e27d 100644
--- a/ruoyi-ui/src/components/ImageUpload/index.vue
+++ b/ruoyi-ui/src/components/ImageUpload/index.vue
@@ -5,33 +5,38 @@
list-type="picture-card"
:on-success="handleUploadSuccess"
:before-upload="handleBeforeUpload"
+ :limit="limit"
:on-error="handleUploadError"
+ :on-exceed="handleExceed"
name="file"
- :show-file-list="false"
+ :on-remove="handleRemove"
+ :show-file-list="true"
: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">
- <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>
+ <i class="el-icon-plus"></i>
</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>
</div>
</template>
@@ -40,36 +45,128 @@
import { getToken } from "@/utils/auth";
export default {
+ props: {
+ value: [String, Object, Array],
+ // 图片数量限制
+ limit: {
+ type: Number,
+ default: 5,
+ },
+ // 大小限制(MB)
+ fileSize: {
+ type: Number,
+ default: 5,
+ },
+ // 文件类型, 例如['png', 'jpg', 'jpeg']
+ fileType: {
+ type: Array,
+ default: () => ["png", "jpg", "jpeg"],
+ },
+ // 是否显示提示
+ isShowTip: {
+ type: Boolean,
+ default: true
+ }
+ },
data() {
return {
+ dialogImageUrl: "",
dialogVisible: false,
+ hideUpload: false,
+ baseUrl: process.env.VUE_APP_BASE_API,
uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传的图片服务器地址
headers: {
Authorization: "Bearer " + getToken(),
},
+ fileList: []
};
},
- props: {
+ watch: {
value: {
- type: String,
- default: "",
+ handler(val) {
+ if (val) {
+ // 首先将值转为数组
+ const list = Array.isArray(val) ? val : this.value.split(',');
+ // 然后将数组转为对象数组
+ 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: {
+ // 是否显示提示
+ showTip() {
+ return this.isShowTip && (this.fileType || this.fileSize);
},
},
methods: {
- removeImage() {
- this.$emit("input", "");
+ // 删除图片
+ handleRemove(file, fileList) {
+ const findex = this.fileList.indexOf(file.name);
+ this.fileList.splice(findex, 1);
+ this.$emit("input", this.listToString(this.fileList));
},
+ // 上传成功回调
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();
},
- handleBeforeUpload() {
+ // 上传前loading加载
+ 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({
lock: true,
text: "上传中",
background: "rgba(0, 0, 0, 0.7)",
});
},
+ // 文件个数超出
+ handleExceed() {
+ this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`);
+ },
+ // 上传失败
handleUploadError() {
this.$message({
type: "error",
@@ -77,24 +174,37 @@
});
this.loading.close();
},
- },
- watch: {},
+ // 预览
+ handlePictureCardPreview(file) {
+ this.dialogImageUrl = file.url;
+ this.dialogVisible = true;
+ },
+ // 对象转成指定字符串分隔
+ 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>
-
<style scoped lang="scss">
-.image {
- position: relative;
- .mask {
- opacity: 0;
- position: absolute;
- top: 0;
- width: 100%;
- background-color: rgba(0, 0, 0, 0.5);
- transition: all 0.3s;
- }
- &:hover .mask {
- opacity: 1;
- }
+// .el-upload--picture-card 控制加号部分
+::v-deep.hide .el-upload--picture-card {
+ display: none;
}
-</style>
\ No newline at end of file
+// 去掉动画效果
+::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;
+ transform: translateY(0);
+}
+</style>
+
--
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