<!-- 图片上传封装 -->
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<template>
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<div>
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<el-upload
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:file-list="filelist"
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v-loading="loading"
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element-loading-text="拼命加载中"
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element-loading-spinner="el-icon-loading"
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element-loading-background="rgba(0, 0, 0, 0.8)"
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action="https://jsonplaceholder.typicode.com/posts/"
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:http-request="uoloadimg"
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:on-change="onChange"
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:on-remove="onRemove"
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:on-preview="onPreview"
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:before-upload="onBeforeUpload"
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list-type="picture-card"
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:limit="1"
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:class="filelist.length === 1 ? 'father' : ''"
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class="custom-upload"
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>
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<i class="el-icon-plus"></i>
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</el-upload>
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<el-dialog :visible.sync="fileonPreview">
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<img :src="fileimg" alt="" />
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</el-dialog>
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</div>
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</template>
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<script>
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import COS from "cos-js-sdk-v5";
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var cos = new COS({
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SecretId: "AKIDxlNmyua2FDwSjmeHGVVHxNYVghSyFhus",
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SecretKey: "nPp8D5mKgomaBawHPI1avzuhJhqombCZ",
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});
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console.log(cos);
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export default {
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name: "UploadImg",
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data() {
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return {
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filelist: [],
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fileimg: "",
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fileonPreview: false,
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loading: false,
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};
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},
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created() {},
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methods: {
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// 发送图片上传
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uoloadimg({ file }) {
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this.loading = true;
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cos.putObject(
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{
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Bucket: "hmhr-31-1313341522" /* 必须 */,
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Region: "ap-shanghai" /* 存储桶所在地域，必须字段 */,
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Key: file.name /* 必须 */,
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StorageClass: "STANDARD",
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Body: file, // 上传文件对象
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onProgress: function (progressData) {
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console.log(JSON.stringify(progressData));
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},
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},
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(err, data) => {
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this.loading = false;
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if (err || data.statusCode != 200) {
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return this.$$message.error("");
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}
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this.$emit("onSuccess", {
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url: "https://" + data.Location,
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});
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}
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);
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},
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// 存储图片列表
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onChange(file, filelist) {
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this.filelist = filelist;
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},
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//删除
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onRemove(file, filelist) {
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this.filelist = filelist;
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},
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// 预览
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onPreview(file) {
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console.log(file);
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this.fileonPreview = true;
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this.fileimg = file.url;
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},
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// 上传前判断
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onBeforeUpload(file) {
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console.log(file);
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const types = ["image/jpeg", "image/png", "image/gif"];
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if (!types.includes(file.type)) {
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this.$message.error("请选择" + types.join(", ") + "格式图片");
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return false;
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}
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const maxSize = 1024 * 1024 * 2;
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if (file.size > maxSize) {
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this.$message.error("选择图片不超过2mb");
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return false;
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}
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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.father .el-upload--picture-card {
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display: none;
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}
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.custom-upload {
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width: 148px;
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height: 148px;
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overflow: hidden;
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}
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</style>
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