per:优化计算文件大小功能；

pages/index/index.vue

 <template>
-	<view class="content">
-		<image class="logo" src="/static/logo.png"></image>
-		<view class="text-area">
-			<text class="title">{{title}}</text>
-		</view>
-	</view>
+    <view class="content">
+        <image class="logo" src="/static/logo.png"></image>
+        <view class="text-area">
+            <text class="title" @click="choose()">{{title}}</text>
+        </view>
+    </view>
 </template>
 
 <script>
-	export default {
-		data() {
-			return {
-				title: 'Hello'
-			}
-		},
-		onLoad() {
-
-		},
-		methods: {
-
-		}
-	}
+    export default {
+        data() {
+            return {
+                title: 'Hello'
+            }
+        },
+        onShow() {
+            
+        },
+        methods: {
+            choose(){
+                uni.chooseFile({
+                  count: 10,
+                  type: 'image',
+                  success (res) {
+                    // tempFilePath可以作为img标签的src属性显示图片
+                    const tempFilePaths = res.tempFiles
+                    console.log(tempFilePaths);
+                  }
+                })
+            }
+        }
+    }
 </script>
 
 <style>
-	.content {
-		display: flex;
-		flex-direction: column;
-		align-items: center;
-		justify-content: center;
-	}
+    .content {
+        display: flex;
+        flex-direction: column;
+        align-items: center;
+        justify-content: center;
+    }
 
-	.logo {
-		height: 200rpx;
-		width: 200rpx;
-		margin-top: 200rpx;
-		margin-left: auto;
-		margin-right: auto;
-		margin-bottom: 50rpx;
-	}
+    .logo {
+        height: 200rpx;
+        width: 200rpx;
+        margin-top: 200rpx;
+        margin-left: auto;
+        margin-right: auto;
+        margin-bottom: 50rpx;
+    }
 
-	.text-area {
-		display: flex;
-		justify-content: center;
-	}
+    .text-area {
+        display: flex;
+        justify-content: center;
+    }
 
-	.title {
-		font-size: 36rpx;
-		color: #8f8f94;
-	}
+    .title {
+        font-size: 36rpx;
+        color: #8f8f94;
+    }
 </style>

utils/validate/xzFile.js

@@ -9,7 +9,7 @@
 export default {
     /**
      * @Description 获取文件后缀名
-     * @Date 2022年5月9日08:40:16
+     * @Date 2022年7月17日11:52:41
      * @Param {String} fileURL 文件地址 
      * @Return {String} 文件后缀名
     **/
@@ -20,5 +20,39 @@ export default {
         }
         let ext = fileURL.substr(index + 1);
         return ext.toLocaleLowerCase();
+    },
+    /**
+     * @Description 获取文件大小
+     * @Date 2022年7月17日11:52:45
+     * @Param {Number} fileSize 文件大小 
+     * @Param {String} unit 文件大小计算模式
+     * @Return {String} 文件后缀名
+    **/
+    getFileSize(fileSize = 0,unit = 'B') {
+        let size = 0;
+        switch (unit){
+            case 'b':
+                size = fileSize*1024;
+                break;
+            case 'B':
+                size = fileSize;
+                break;
+            case 'KB':
+                size = fileSize/1024;
+                break;
+            case 'MB':
+                size = fileSize/1024/1024;
+                break;
+            case 'GB':
+                size = fileSize/1024/1024/1024;
+                break;
+            case 'TB':
+                size = fileSize/1024/1024/1024/1024;
+                break;
+            default:
+                size = fileSize;
+                break;
+        }
+        return size;
     }
 }