<template>
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<div>
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<div class="user-info-head" @click="editCropper()"><img v-bind:src="options.img" title="点击上传头像" class="img-circle img-lg" /></div>
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<el-dialog :title="title" :visible.sync="open" width="800px" append-to-body @opened="modalOpened" @close="closeDialog">
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<el-row>
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<el-col :xs="24" :md="12" :style="{height: '350px'}">
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<vue-cropper
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ref="cropper"
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:img="options.img"
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:info="true"
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:autoCrop="options.autoCrop"
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:autoCropWidth="options.autoCropWidth"
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:autoCropHeight="options.autoCropHeight"
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:fixedBox="options.fixedBox"
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:outputType="options.outputType"
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@realTime="realTime"
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v-if="visible"
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/>
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</el-col>
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<el-col :xs="24" :md="12" :style="{height: '350px'}">
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<div class="avatar-upload-preview">
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<img :src="previews.url" :style="previews.img" />
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</div>
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</el-col>
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</el-row>
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<br />
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<el-row>
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<el-col :lg="2" :sm="3" :xs="3">
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<el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
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<el-button size="small">
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选择
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<i class="el-icon-upload el-icon--right"></i>
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</el-button>
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</el-upload>
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</el-col>
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<el-col :lg="{span: 1, offset: 2}" :sm="2" :xs="2">
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<el-button icon="el-icon-plus" size="small" @click="changeScale(1)"></el-button>
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</el-col>
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<el-col :lg="{span: 1, offset: 1}" :sm="2" :xs="2">
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<el-button icon="el-icon-minus" size="small" @click="changeScale(-1)"></el-button>
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</el-col>
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<el-col :lg="{span: 1, offset: 1}" :sm="2" :xs="2">
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<el-button icon="el-icon-refresh-left" size="small" @click="rotateLeft()"></el-button>
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</el-col>
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<el-col :lg="{span: 1, offset: 1}" :sm="2" :xs="2">
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<el-button icon="el-icon-refresh-right" size="small" @click="rotateRight()"></el-button>
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</el-col>
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<el-col :lg="{span: 2, offset: 6}" :sm="2" :xs="2">
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<el-button type="primary" size="small" @click="uploadImg()">提 交</el-button>
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</el-col>
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</el-row>
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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 store from "@/store";
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import { VueCropper } from "vue-cropper";
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import { uploadAvatar } from "@/api/system/user";
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import { debounce } from '@/utils'
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export default {
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components: { VueCropper },
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data() {
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return {
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// 是否显示弹出层
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open: false,
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// 是否显示cropper
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visible: false,
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// 弹出层标题
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title: "修改头像",
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options: {
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img: store.getters.avatar, //裁剪图片的地址
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autoCrop: true, // 是否默认生成截图框
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autoCropWidth: 200, // 默认生成截图框宽度
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autoCropHeight: 200, // 默认生成截图框高度
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fixedBox: true, // 固定截图框大小 不允许改变
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outputType:"png", // 默认生成截图为PNG格式
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filename: 'avatar' // 文件名称
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},
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previews: {},
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resizeHandler: null
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};
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},
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methods: {
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// 编辑头像
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editCropper() {
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this.open = true;
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},
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// 打开弹出层结束时的回调
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modalOpened() {
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this.visible = true;
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if (!this.resizeHandler) {
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this.resizeHandler = debounce(() => {
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this.refresh()
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}, 100)
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}
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window.addEventListener("resize", this.resizeHandler)
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},
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// 刷新组件
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refresh() {
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this.$refs.cropper.refresh();
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},
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// 覆盖默认的上传行为
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requestUpload() {
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},
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// 向左旋转
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rotateLeft() {
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this.$refs.cropper.rotateLeft();
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},
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// 向右旋转
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rotateRight() {
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this.$refs.cropper.rotateRight();
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},
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// 图片缩放
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changeScale(num) {
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num = num || 1;
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this.$refs.cropper.changeScale(num);
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},
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// 上传预处理
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beforeUpload(file) {
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if (file.type.indexOf("image/") == -1) {
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this.$modal.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
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} else {
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const reader = new FileReader();
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reader.readAsDataURL(file);
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reader.onload = () => {
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this.options.img = reader.result;
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this.options.filename = file.name;
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};
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}
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},
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// 上传图片
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uploadImg() {
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this.$refs.cropper.getCropBlob(data => {
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let formData = new FormData();
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formData.append("avatarfile", data, this.options.filename);
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uploadAvatar(formData).then(response => {
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this.open = false;
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this.options.img = process.env.VUE_APP_BASE_API + response.imgUrl;
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store.commit('SET_AVATAR', this.options.img);
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this.$modal.msgSuccess("修改成功");
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this.visible = false;
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});
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});
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},
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// 实时预览
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realTime(data) {
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this.previews = data;
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},
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// 关闭窗口
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closeDialog() {
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this.options.img = store.getters.avatar
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this.visible = false;
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window.removeEventListener("resize", this.resizeHandler)
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}
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}
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};
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</script>
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<style scoped lang="scss">
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.user-info-head {
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position: relative;
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display: inline-block;
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height: 120px;
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}
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.user-info-head:hover:after {
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content: '+';
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position: absolute;
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left: 0;
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right: 0;
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top: 0;
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bottom: 0;
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color: #eee;
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background: rgba(0, 0, 0, 0.5);
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font-size: 24px;
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font-style: normal;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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cursor: pointer;
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line-height: 110px;
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border-radius: 50%;
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}
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</style>
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