lijh
2022-01-13 ad2b70777b866a9f4848a89fd0e343f991f8a604
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<template>
    <div id="global-uploader">
        <!-- 上传 -->
        <uploader ref="uploaderId" :options="options" :autoStart="false" @file-added="onFileAdded"
            @file-success="onFileSuccess" @file-progress="onFileProgress" @file-error="onFileError"
            @file-complete="onFileComplete" class="uploader-app">
            <uploader-unsupport></uploader-unsupport>
 
            <uploader-btn id="global-uploader-btn" :directory="false" :attrs="attrs" ref="uploadBtn">选择文件</uploader-btn>
 
            <uploader-list v-show="panelShow">
                <div class="file-panel" slot-scope="props" :class="{'collapse': collapse}">
                    <div class="file-title">
                        <h2>文件列表</h2>
                        <div class="operate">
                            <el-button @click="fileListShow" type="text" :title="collapse ? '展开':'折叠' ">
                                <i class="iconfont" :class="collapse ? 'inuc-fullscreen': 'inuc-minus-round'"></i>
                            </el-button>
                            <el-button @click="close" type="text" title="关闭">
                                <i class="iconfont icon-close"></i>
                            </el-button>
                        </div>
                    </div>
 
                    <ul class="file-list">
                        <li v-for="file in props.fileList" :key="file.id">
                            <uploader-file :class="'file_' + file.id" ref="files" :file="file" :list="true">
                            </uploader-file>
                        </li>
                        <div class="no-file" v-if="!props.fileList.length"><i class="iconfont icon-empty-file"></i>
                            暂无待上传文件</div>
                    </ul>
                </div>
            </uploader-list>
 
        </uploader>
 
    </div>
</template>
 
<script>
    /**
     *   全局上传插件
     *   调用方法:Bus.$emit('openUploader', {}) 打开文件选择框,参数为需要传递的额外参数
     *   监听函数:Bus.$on('fileAdded', fn); 文件选择后的回调
     *            Bus.$on('fileSuccess', fn); 文件上传成功的回调
     */
 
    import {
        ACCEPT_CONFIG
    } from '@/js/config';
    import Bus from '@/js/bus';
    import SparkMD5 from 'spark-md5';
    import $ from 'jquery';
    import Element from 'element-ui';
 
    // 这两个是我自己项目中用的,请忽略
    // import {Ticket} from '@/assets/js/utils';
    // import api from '@/api';
 
    export default {
        data() {
            return {
                options: {
                    //target: "http://192.168.21.184:8089/aa",
                    chunkSize: 6 * 1024 * 1024,
                    fileParameterName: 'upFile',
                    forceChunkSize: true,
                    maxChunkRetries: 3,
                    testChunks: true, //是否开启服务器分片校验
                    // 服务器分片校验函数,秒传及断点续传基础
                    checkChunkUploadedByResponse: function(chunk, message) {
                        let resp = JSON.parse(message);
                        if (!resp.success) {
                            console.error("校验分片异常")
                            return false;
                        }
 
                        //已经秒传
                        if (resp.result.chunkIndex != null && resp.result.chunkIndex[chunk.offset] > 0) {
                            console.log(chunk.offset + 1 + "已经秒传..")
                            return true;
                        }
                        console.log(chunk.offset + 1 + "正常上传..")
 
                        return false;
                    },
                    headers: {
                        // Authorization: Ticket.get() && "Bearer " + Ticket.get().access_token
                    },
                    query() {
                        //aa: "bbb";
                    }
                },
                attrs: {
                    accept: ACCEPT_CONFIG.getAll()
                },
                panelShow: true, //选择文件后,展示上传panel
                collapse: true,
            }
        },
        mounted() {
            Bus.$on('openUploader', query => {
                this.params = query || {};
 
                if (this.$refs.uploadBtn) {
                    $('#global-uploader-btn').click();
                }
            });
        },
        computed: {
            //Uploader实例
            uploader() {
                return this.$refs.uploaderId.uploader;
            }
        },
        methods: {
            onFileAdded(file) {
                
                this.panelShow = true;
                this.computeMD5(file);
 
                Bus.$emit('fileAdded');
            },
 
            onFileComplete(rootFile) {
                console.log(11111)
                console.log(rootFile)
            },
            onFileProgress(rootFile, file, chunk) {
                console.log(`上传中 ${file.name},chunk:${chunk.startByte / 1024 / 1024} ~ ${chunk.endByte / 1024 / 1024}`)
            },
            onFileSuccess(rootFile, file, response, chunk) {
                console.log("上传完成回调", response);
                let res;
                try {
                    if (typeof response =="string") {
                        res = JSON.parse(response);
                    } else {
                        res = response;
                    }
                    // 服务器自定义的错误(即虽返回200,但是是错误的情况),这种错误是Uploader无法拦截的
                    if (!res.success) {
                        this.$message({
                            message: res.errmsg,
                            type: 'error'
                        });
                        // 文件状态设为“失败”
                        this.statusSet(file.id, 'failed');
                        return
                    }
 
                } catch (ex) {
                    console.log(ex)
                }
 
                var $this = this;
 
 
                // 文件状态设为“合并中”
                $this.statusSet(file.id, 'merging');
 
                //请求合并
                $this.$axios.get('http://192.168.21.184:8001/commonFileUpload/doMerge?mainMD5=' + file.uniqueIdentifier +
                        "&mediaId=" + localStorage.getItem("mediaId"))
                    .then(function(response) {
 
                        if (response.data.success) {
                            // 文件合并成功
                            Bus.$emit('fileSuccess');
                            $this.statusRemove(file.id);
 
                            console.log('文件合并成功');
                            console.log('上传成功');
                            console.log("文件上传结束" + new Date().getTime())
                        } else {
                            //请求合并异常 
                            $this.statusRemove(file.id);
                            $this.statusSet(file.id, 'mergingExcetion');
                        }
 
                    })
                    .catch(function(error) {
                        console.error(error);
                        $this.$message({
                            message: "合并异常",
                            type: 'error'
                        });
                        $this.statusRemove(file.id);
                        $this.statusSet(file.id, 'mergingExcetion');
                    });
 
 
            },
 
            onFileError(rootFile, file, response, chunk) {
                this.$message({
                    message: response,
                    type: 'error'
                })
            },
 
            /**
             * 计算md5,实现断点续传及秒传
             * @param file
             */
            computeMD5(file) {
                let fileReader = new FileReader();
                let time = new Date().getTime();
                console.log("文件上传开始" + new Date().getTime())
                let blobSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
 
                let currentChunk = 0;
                const chunkSize = 6 * 1024 * 1024; //md5计算时切片大小
                let chunks = Math.ceil(file.size / chunkSize);
 
                let spark = new SparkMD5.ArrayBuffer();
 
                // 文件状态设为"计算MD5"
                this.statusSet(file.id, 'md5');
                file.pause();
 
                loadNext();
 
                fileReader.onload = (e => {
                    spark.append(e.target.result);
 
                    if (currentChunk < chunks) {
                        currentChunk++;
                        loadNext();
 
                        // 实时展示MD5的计算进度
                        this.$nextTick(() => {
                            $(`.myStatus_${file.id}`).text('校验MD5 ' + ((currentChunk / chunks) * 100)
                                .toFixed(0) + '%')
                        })
                    } else {
                        let md5 = spark.end();
                        this.computeMD5Success(md5, file);
                        console.log(
                            `MD5计算完毕:${file.name} \nMD5:${md5} \n分片:${chunks} 大小:${file.size} 用时:${new Date().getTime() - time} ms`
                        );
                    }
                });
 
                fileReader.onerror = function() {
                    this.error(`文件${file.name}读取出错,请检查该文件`)
                    file.cancel();
                };
 
                function loadNext() {
                    let start = currentChunk * chunkSize;
                    let end = ((start + chunkSize) >= file.size) ? file.size : start + chunkSize;
 
                    fileReader.readAsArrayBuffer(blobSlice.call(file.file, start, end));
                }
            },
 
            computeMD5Success(md5, file) {
                //1.初始化分片上传请求,获取分片参数
 
                //计算内网ip是否联通,选择上传接口url,如果是
 
                let $this = this;
                //this.$axios.post('http://192.168.21.184:8001/commonFileUpload/createShardPost', {
                this.$axios.post('http://192.168.21.184:8001/sfcMedia/addMedia', {
                        storeType: "0",
                        title: file.name,
                        typeId: "4",
                        dirId: "7",
                        uploadDto: {
                            internalHostList:["192.168.40.149:9000"],
                            mainMD5: md5,
                            size: file.size,
                            fileName: file.name,
                            ext: file.name.substring(file.name.lastIndexOf(".") + 1, file.name.length), //文件名没有点号会异常
                            type: file.type
                        }
                    }, {
                        headers: {
                            'Sys-Access-Token': "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ0b2tlbktleU5hbWUiOiJTeXMtQWNjZXNzLVRva2VuIiwidXNlck5hbWUiOiJhZG1pbiIsImV4cCI6MTY0MTM3OTQ0NX0.FQXRgkLXlmgpLDcP2cbZZBNwCEDZJoeoHen6OZz5Wbk",
                        }
                    }).then(function(response) {
                        console.log("文件上传请求初始化");
                        console.log(response);
                        if (response.data.success) {
                            let uploadOptions = response.data.result;
 
                            localStorage.setItem("mediaId",uploadOptions.mediaId)
                            let uploadURLArray = uploadOptions.uploadUrlList;
                            
                            
                            console.log("文件上传url", uploadURLArray)
                            // 将自定义参数直接加载uploader实例的opts上
                            let opts = $this.uploader.opts;
 
                            //opts.target = "http://192.168.21.184:8001/commonFileUpload/doUpload"; //上传接口
                            opts.target = function(file, chunk, isTest, obj) {
                                //定义分片检测url
                                if (isTest) {
                                    return "http://192.168.21.184:8001/commonFileUpload/checkShardStatus"
                                }
                                let chunkUploadUrl = uploadURLArray[chunk.offset]
                                if (chunkUploadUrl == undefined || chunkUploadUrl == null || chunkUploadUrl ==
                                    "") {
                                    console.error("获取分片上传链接异常 chunkNumber:{}", (chunk.offset + 1))
                                    return "";
                                }
                                return chunkUploadUrl;
                            }
 
                            //分片请求成功后处理
                            opts.processResponse = function(response, cb, file, chunk) {
                                console.log("分片" + (chunk.offset + 1) + "上传成功", response)
 
                                //通知服务器分片上传状态
                                $this.$axios.get(
                                        'http://192.168.21.184:8001/commonFileUpload/updateProgress?mainMD5=' +
                                        file.uniqueIdentifier +
                                        "&chunk=" + (chunk.offset + 1) +
                                        "&chunkSize=" + (chunk.loaded)
                                    )
                                    .then(function(re) {
                                        console.log("分片更新上传进度成功", re)
                                        cb(null, re.data)
                                    })
                                    .catch(function(error) {
                                        console.error("分片更新上传进度异常", error);
                                        cb(null, error)
                                    });
 
                            }
 
                            opts.processParams = function(params, file, chunk, isTest) {
                                if (isTest) {
                                    return params;
                                }
                                return {};
                            }
 
                            opts.method = "octet";
                            opts.testMethod = "GET"; //调用分片上传验证请求类型
                            opts.uploadMethod = "PUT"; //调用分片上传时使用的http方法请求类型
 
                            //opts.chunkSize = uploadOptions.chunkSize; //切片大小
                            $this.params.mainMD5 = md5; //mainMD5参数
                            $this.params.chunkNumber = opts.chunkNumber; //分片索引参数
                            Object.assign(opts, {
                                query: {
                                    ...$this.params,
                                }
                            })
 
                            file.uniqueIdentifier = md5;
                            file.resume();
                            $this.statusRemove(file.id);
                        } else {
                            //中断上传
                            file.cancel();
                        }
                    })
                    .catch(function(error) {
                        console.error(error);
                        //中断上传
                        file.cancel();
                        return;
                    });
 
 
            },
 
            fileListShow() {
                let $list = $('#global-uploader .file-list');
 
                if ($list.is(':visible')) {
                    $list.slideUp();
                    this.collapse = true;
                } else {
                    $list.slideDown();
                    this.collapse = false;
                }
            },
            close() {
                this.uploader.cancel();
 
                this.panelShow = false;
            },
 
            /**
             * 新增的自定义的状态: 'md5'、'transcoding'、'failed'
             * @param id
             * @param status
             */
            statusSet(id, status) {
                let statusMap = {
                    md5: {
                        text: '校验MD5',
                        bgc: '#fff'
                    },
                    merging: {
                        text: '合并中',
                        bgc: '#e2eeff'
                    },
                    mergingExcetion: {
                        text: '合并异常',
                        bgc: '#e2eeff'
                    },
                    transcoding: {
                        text: '转码中',
                        bgc: '#e2eeff'
                    },
                    failed: {
                        text: '上传失败',
                        bgc: '#e2eeff'
                    }
                }
 
                this.$nextTick(() => {
                    $(`<p class="myStatus_${id}"></p>`).appendTo(`.file_${id} .uploader-file-status`).css({
                        'position': 'absolute',
                        'top': '0',
                        'left': '0',
                        'right': '0',
                        'bottom': '0',
                        'zIndex': '1',
                        'backgroundColor': statusMap[status].bgc
                    }).text(statusMap[status].text);
                })
            },
            statusRemove(id) {
                this.$nextTick(() => {
                    $(`.myStatus_${id}`).remove();
                })
            },
 
            error(msg) {
                this.$notify({
                    title: '错误',
                    message: msg,
                    type: 'error',
                    duration: 2000
                })
            }
        },
        watch: {},
        destroyed() {
            Bus.$off('openUploader');
        },
        components: {}
    }
</script>
 
<style>
    #global-uploader {
        position: fixed;
        z-index: 20;
        right: 15px;
        bottom: 15px;
    }
 
    #global-uploader .uploader-app {
        width: 1820px;
    }
 
    #global-uploader .file-panel {
        background-color: #fff;
        border: 1px solid #e2e2e2;
        border-radius: 7px 7px 0 0;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    }
 
    #global-uploader .file-panel .file-title {
        display: flex;
        height: 40px;
        line-height: 40px;
        padding: 0 15px;
        border-bottom: 1px solid #ddd;
    }
 
    #global-uploader .file-panel .file-title .operate {
        flex: 1;
        text-align: right;
    }
 
    #global-uploader .file-panel .file-list {
        position: relative;
        height: 240px;
        overflow-x: hidden;
        overflow-y: auto;
        background-color: #fff;
    }
 
    #global-uploader .file-panel .file-list>li {
        background-color: #fff;
    }
 
    #global-uploader .file-panel.collapse .file-title {
        background-color: #E7ECF2;
    }
 
    #global-uploader .no-file {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        font-size: 16px;
    }
 
    #global-uploader .uploader-file-icon:before {
        content: "" !important;
    }
 
    #global-uploader .uploader-file-actions>span {
        margin-right: 6px;
    }
 
    #global-uploader .uploader-file-icon[icon=image] {
        background: url(../images/image-icon.png);
    }
 
    #global-uploader .uploader-file-icon[icon=video] {
        background: url(../images/video-icon.png);
    }
 
    #global-uploader .uploader-file-icon[icon=document] {
        background: url(../images/text-icon.png);
    }
 
    /* 隐藏上传按钮 */
    #global-uploader-btn {
        position: absolute;
        clip: rect(0, 0, 0, 0);
    }
</style>