getFileSize(file) {
file = decodeURI(file)
return new Promise((resolve) =>{
if (!file) {
resolve(0)
return
}
const filePath = path.resolve(__dirname, "../public", file)
fs.stat(filePath, (err, data) =>{
if (err == null) {
resolve(data.size)
return
}
resolve(0)
})
})
},
获取上传文件的大小：<input type="file" name="fileId" id="fileId" class="height30 width-245">
function findSize(field_id){
var byteSize = 0
if (!+[1,] &&!$("#"+field_id).files) {
var filePath = $("#"+field_id).val()
var fileSystem = new ActiveXObject("Scripting.FileSystemObject")
byteSize = fileSystem.GetFile(filePath).size
} else{
var fileInput = $("#"+field_id)[0]
byteSize = fileInput.files[0].size
}
return ( Math.ceil(byteSize / 1024) )
}
