影像下载添加日志

src/utils/request-pool.js

@@ -1,16 +1,21 @@
 import * as cornerstone from 'cornerstone-core'
 var taskPool = [] // 请求池
 let numRequest = 0 // 正在执行数量
-const maxRequest = 36 // 可配置
+const maxRequest = 6 // 可配置
 let taskTimer // 轮询的定时器
 var cachedTask = {} // 存放的任务数据
-
+var i= 0
+let startExecuteTask = null
+let endExecuteTask = performance.now()
 // 执行下载
 async function executeTask() {
+  endExecuteTask = performance.now()
+  i++
   // stopTaskTimer()
   if (taskPool.length > 0) {
-   
+    let startSortTime = performance.now()
     sortTaskPool()
+    let endSortTime = performance.now()
     var requestNum = Math.min(taskPool.length, maxRequest)
     const tasks = taskPool.splice(0, requestNum);
 
@@ -22,7 +27,16 @@ async function executeTask() {
         task.callback({ success: true, err: error })
       })
     })
+    let starLoadTime = performance.now()
     await Promise.all(taskPromises)
+    let endLoadTime = performance.now()
+    if(i > 1 && eval(process.env.NODE_ENV) === 'development'){
+      // if (eval(process.env.NODE_ENV) === 'development')
+      
+      console.log(`第${i}次:${startExecuteTask?endExecuteTask - startExecuteTask:0}:${endSortTime - startSortTime}:${endLoadTime - starLoadTime}`)
+    }
+    
+    startExecuteTask = performance.now()
     executeTask()
   }else{
     startTaskTimer()