PyQt5實(shí)現(xiàn)多張圖片顯示并滾動(dòng)
發(fā)布日期：2022-03-13 12:52 | 文章來(lái)源：CSDN
最近要做個(gè)網(wǎng)頁(yè)圖片批量下載工具，然后需要一個(gè)頁(yè)面顯示網(wǎng)頁(yè)上的所有圖片供用戶勾選，再根據(jù)勾選的內(nèi)容來(lái)下載指定圖片，其中就涉及到要到同時(shí)顯示多張圖片。
單頁(yè)面顯示多張圖片
習(xí)慣性的用GridLayout但是發(fā)現(xiàn)怎么長(zhǎng)時(shí)間解決都無(wú)法實(shí)現(xiàn)滾動(dòng)，這樣就會(huì)強(qiáng)制壓縮圖片大小，導(dǎo)致圖片較多時(shí)顯示的圖片太小，不是我想要的，后面網(wǎng)上借鑒了一下用了ScrollArea實(shí)現(xiàn)了
代碼如下：
import sys
import requests
from PyQt5.QtWidgets import (QWidget, QLabel,QVBoxLayout,QCheckBox,QGridLayout, QScrollArea,QApplication)
from PyQt5.QtGui import QPixmap
from PyQt5.QtCore import Qt,QSize
class Picture(QWidget):
def __init__(self, parent=None, url=None):
super().__init__(parent)
self.url = url
self.ui()
def ui(self):
self.setFixedSize(850,600)
layout = QGridLayout()
total = len(self.url)
self.setLayout(layout)
self.sc = QScrollArea(self)
self.qw = QWidget()
if total % 5 == 0:
rows = int(total/5)
else:
rows = int(total/5) + 1
self.qw.setMinimumSize(850,230*rows)
for i in range(total):
pre_url = self.url[i].split("?")[0]
sup = pre_url.split(".")[-1]
req = requests.get(self.url[i])
photo = QPixmap()
photo.loadFromData(req.content)
width = photo.width()
height = photo.height()
if width==0 or height==0:
continue
tmp_image = photo.toImage()
size = QSize(width,height)
photo.convertFromImage(tmp_image.scaled(size, Qt.IgnoreAspectRatio))
tmp = QWidget(self.qw)
vl = QVBoxLayout()
label= QLabel()
label.setFixedSize(150,200)
label.setStyleSheet("border:1px solid gray")
label.setPixmap(photo)
label.setScaledContents(True)
ck = QCheckBox(str(i)+"."+sup+"("+str(width)+"x"+str(height)+")", self)
vl.addWidget(label)
vl.addWidget(ck)
tmp.setLayout(vl)
tmp.move(160 * (i % 5), 230 * int(i / 5))
self.sc.setWidget(self.qw)
if __name__ == '__main__':
app = QApplication(sys.argv)
url=['https://pic2.zhimg.com/aadd7b895_xs.jpg?source=1940ef5c', 'https://pic2.zhimg.com/50/v2-60f7b5c071d378a34a3a6c489c3fdacc_hd.jpg?source=1940ef5c', 'https://pic2.zhimg.com/80/v2-60f7b5c071d378a34a3a6c489c3fdacc_720w.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-aa7d74fe48183d16a571278a012ff759_hd.jpg?source=1940ef5c', 'https://pic4.zhimg.com/50/v2-011ac12cbfe61ebc411ba437fac88780_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-dea9876e70b0a0b08b635796eb2c86da_hd.jpg?source=1940ef5c', 'https://pic2.zhimg.com/50/v2-8574116f58ac5e560da7e3656f80dcdf_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/80/v2-10e18ff65a640175ad058b4b5dfd2867_1440w.png', 'https://picb.zhimg.com/80/v2-a448b133c0201b59631ccfa93cb650f3_1440w.png', 'https://pic2.zhimg.com/v2-0cd41264be96353da10f5aca4088aa37_xs.jpg?source=1940ef5c', 'https://pic2.zhimg.com/50/v2-74c0b99f286ef52fefe4fd0cbe78c90b_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-27b377ed5db6b090a9834b00ffe54b8e_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-c7c874b8540a5dbdd93418429c39f188_hd.jpg?source=1940ef5c', 'https://pic4.zhimg.com/50/v2-fef58d7f36acb12ff4199fa507fc166e_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-fcd8d49f62634cb631ac08d5d1cc11ea_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-74fe1b6d5362b73fcfe5b887afcad6eb_hd.jpg?source=1940ef5c', 'https://pic2.zhimg.com/50/v2-6b6213d9a94f57722642b6bed847c6a2_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-bad7183c3135ea26d2e8e52653ee1f1c_hd.jpg?source=1940ef5c', 'https://pic2.zhimg.com/50/v2-476f50c384e1a4c90e994e6d63f63e8a_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-d720e9f8984d83da0a7344fa842cafa1_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-e82f6e26e7b49d7d7a5a0a337e2cd613_hd.jpg?source=1940ef5c', 'https://pic4.zhimg.com/50/v2-25496d917bf08c0ebc5106bb91f376a5_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-36e309f84b1395933488e6fa0f6bd341_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/80/v2-10e18ff65a640175ad058b4b5dfd2867_1440w.png', 'https://picb.zhimg.com/80/v2-a448b133c0201b59631ccfa93cb650f3_1440w.png', 'https://pic3.zhimg.com/aadd7b895_xs.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-c673663f10a662afc4a09dfe0d95c62c_hd.jpg?source=1940ef5c', 'https://pic4.zhimg.com/50/v2-891dd82d13e152e6204a827362adb0ef_hd.jpg?source=1940ef5c', 'https://pic3.zhimg.com/50/v2-dba8ca86ac6aa7c8517d22ee983c6e05_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/50/v2-f16d5a24150db2816817fa698ac4ad82_hd.jpg?source=1940ef5c', 'https://pic1.zhimg.com/80/v2-10e18ff65a640175ad058b4b5dfd2867_1440w.png', 'https://picb.zhimg.com/80/v2-a448b133c0201b59631ccfa93cb650f3_1440w.png', 'https://static.zhihu.com/heifetz/assets/sidebar-download-qrcode.7caef4dd.png', 'https://pic1.zhimg.com/70/v2-8228fff23c22a72b57d1627b7213942c.jpg', 'https://pic2.zhimg.com/aadd7b895_im.jpg?source=1940ef5c', 'https://pic3.zhimg.com/90/v2-426097a9370aad0ab673d53cca060c93_250x0.jpg', 'https://pic2.zhimg.com/90/v2-18b57487b9aca2b8e12246f67be0d138_250x0.jpg', 'https://pic2.zhimg.com/90/v2-50f7c79c972342024947936b0420b8e4_250x0.jpg', 'https://pic4.zhimg.com/v2-1945b21d09872d21de3db9c9614918b3_540x450.jpeg', 'https://pic3.zhimg.com/80/v2-d0289dc0a46fc5b15b3363ffa78cf6c7.png']
pic = Picture(url=url)
pic.show()
sys.exit(app.exec_())
效果如下：
其中要計(jì)算好QWdiget的高度才能滾動(dòng)，不然會(huì)發(fā)現(xiàn)可滾動(dòng)的不足導(dǎo)致部分看不到或者滾動(dòng)太多導(dǎo)致部分空白，都不好看。
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