断点续传限制上传大小

1319612909 · 1319612909 · commit 73eb08684ce6 · 2020-04-07T22:48:36.000+08:00
diff --git a/QMPlusVuePage/src/view/example/breakpoint/breakpoint.vue b/QMPlusVuePage/src/view/example/breakpoint/breakpoint.vue
@@ -1,13 +1,28 @@
 <template>
   <div class="hello">
-    <form id="fromCont" method="post">
-      <input @change="choseFile" id="file" multiple="multiple" type="file" />
+     <el-divider content-position="left">大文件上传</el-divider>
+    <form id="fromCont" method="post" >
+      <div class="fileUpload">
+        选择文件<input @change="choseFile" id="file" multiple="multiple" type="file"  />
+      </div>
     </form>
-    <el-button @click="getFile">上传</el-button>
-    <span
+     <el-button @click="getFile" :disabled="limitFileSize" type="primary" size="medium" class="uploadBtn">上传文件</el-button>
+    <div>请上传不超过5MB的文件</div>
+    <div class="list">
+      <transition-group name="list" tag="p">
+        <div class="list-item" v-for="(item,i) in uploadList" v-bind:key="i" >
+          <i class="el-icon-document"></i>
+          <span>{{ item.name }}</span>
+          <span v-if="file" class="percentage" >{{percentage}}%</span>
+          <el-progress  :show-text='false' :text-inside="false" :stroke-width="2" :percentage="percentage"></el-progress>
+        </div> 
+      </transition-group>
+   </div>
+    
+    <!-- <span
       v-if="this.file"
-    >{{Math.floor(((this.formDataList.length-this.waitNum)/this.formDataList.length)*100)}}%</span>
-    <h2>此版本为先行体验功能测试版，样式美化和性能优化正在进行中，上传切片文件和合成的完整文件分别再QMPlusserver目录的breakpointDir文件夹和fileDir文件夹</h2>
+    >{{Math.floor(((this.formDataList.length-this.waitNum)/this.formDataList.length)*100)}}%</span> -->
+    <h2 class="tips">此版本为先行体验功能测试版，样式美化和性能优化正在进行中，上传切片文件和合成的完整文件分别再QMPlusserver目录的breakpointDir文件夹和fileDir文件夹</h2>
   </div>
 </template>
 <script>
@@ -27,15 +42,25 @@ export default {
       fileMd5: '',
       formDataList: [],
       waitUpLoad: [],
-      waitNum: 0
+      waitNum: 0,
+      limitFileSize: false,
+      percentage:0,
+      percentageFlage: true,
+      customColor: '#409eff',
+      uploadList:[]
     }
+  },
+  created(){
+   
   },
   methods: {
     // 选中文件的函数
     async choseFile(e) {
       const fileR = new FileReader() // 创建一个reader用来读取文件流
       const file = e.target.files[0] // 获取当前文件
+      const maxSize = 5*1024*1024
       this.file = file // file 丢全局方便后面用 可以改进为func传参形式
+    if(file.size<maxSize){
       fileR.readAsArrayBuffer(file) // 把文件读成ArrayBuffer  主要为了保持跟后端的流一致
       fileR.onload = async e => {
         // 读成arrayBuffer的回调 e 为方法自带参数 相当于 dom的e 流存在e.target.result 中
@@ -83,14 +108,27 @@ export default {
         }
         this.waitNum = this.waitUpLoad.length // 记录长度用于百分比展示
       }
+      } else {
+         this.limitFileSize = true
+         this.$message('请上传小于5M文件')
+      }
     },
     getFile() {
       // 确定按钮
       if (this.file == null) {
         this.$message('请先上传文件')
         return
       }
+      this.percentage = Math.floor(((this.formDataList.length-this.waitNum)/this.formDataList.length)*100)
+      if(this.percentage == 100){
+        this.percentageFlage = false
+      }
       this.sliceFile() // 上传切片
+      if(this.percentage == 100){
+        this.uploadList.push(this.file)
+        console.log(this.uploadList)
+      }
+
     },
     sliceFile() {
       this.waitUpLoad &&
@@ -134,7 +172,7 @@ export default {
 }
 </script>
 
-<style scoped>
+<style lang='scss' scoped>
 h3 {
   margin: 40px 0 0;
 }
@@ -149,4 +187,71 @@ li {
 a {
   color: #42b983;
 }
+#fromCont{
+  display: inline-block;
+}
+.fileUpload{
+    padding: 4px 10px;
+    height: 20px;
+    line-height: 20px;
+    position: relative;
+    cursor: pointer;
+    color: #000;
+    border: 1px solid #c1c1c1;
+    border-radius: 4px;
+    overflow: hidden;
+    display: inline-block;
+  input{
+    position: absolute;
+    font-size: 100px;
+    right: 0;
+    top: 0;
+    opacity: 0;
+    cursor: pointer;
+  }
+ 
+}
+ .fileName{
+    display: inline-block;
+    vertical-align: top;
+    margin: 6px 15px 0 15px;
+  }
+  .uploadBtn{
+    position: relative;
+    top: -10px;
+    margin-left: 15px;
+  }
+  .tips{
+    margin-top: 30px;
+    font-size: 14px;
+    font-weight: 400;
+    color: #606266;
+  }
+  .el-divider{
+    margin: 0 0 30px 0;
+  }
+ 
+ .list{
+   margin-top:15px;
+ }
+ .list-item {
+  display: block;
+  margin-right: 10px;
+  color: #606266;
+  line-height: 25px;
+  margin-bottom: 5px;
+  width: 40%;
+   .percentage{
+          float: right;
+        }
+}
+.list-enter-active, .list-leave-active {
+  transition: all 1s;
+}
+.list-enter, .list-leave-to
+/* .list-leave-active for below version 2.1.8 */ {
+  opacity: 0;
+  transform: translateY(-30px);
+}
+ 
 </style>
