摘要：let url = window.URL.createObjectURL(new Blob([文件流（一般为res.data)], {type: "Blob类型"}) let link = document.createElement('a') link.style.dispaly = 'none' 阅读全文

摘要：<template> <button> 导入文件 <input type="file" @change="fileChange" accept=".*" :disable="disable"/> </button> </template> <script> data(){ return{ disab 阅读全文

摘要：import numpy as np a = [0, 1, 2] a = np.array(a) a = a[a != 0].tolist() print(a) //a = [1, 2] 阅读全文

摘要：var a = 1 var b = 2 // 1 a = a + b b = a - b a = a - b // 2 c = a a = b b = c // 3 a = [a, b] b = a[0] a = a[1] // 4 a = a ^ b b = a ^ b a = a ^ b // 阅读全文