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开启新线程QFeature和QFatureWatcher的使用
示例: ui->listWidget->clear(); QString saveDir = ui->lineEdit_path->text(); if(saveDir.isEmpty()) { QMessageBox::information(this,QString::fromLocal8Bit("提示"),QString::fromLocal8Bit("输出路径不为空"));java 从网上下载文件的几种方式
package com.github.pandafang.tool; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.nio.channels.Channels; import java.nio.springmvc文件上传
xml配置 <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.file
if (logoSimple != null) { String name = logoSimple.getName(); File file = null; file = File.createTempFile(“logoSimple”, null); logoSimple.transferTo(file); JFSUtil.saveFileToJFS(“tenantLogo/logoSimple.png”, file); file.deleteOnExit(); } } catchpython,opencv,8位图转24位图
# -*- coding: utf-8 -*- """ Created on Tue Sep 11 18:50:42 2018 @author: LX """ import cv2 import os def data_eight_twentyfor(filedir,savedir,i): list=os.listdir(filedir) print(len(list)) """ f