验证码控件
This commit is contained in:
Irony
parent
e00a9a803a
commit
4cf28c3b99
4 changed files with 105 additions and 0 deletions
BIN
验证码控件/Jokerman.ttf
Normal file
BIN
验证码控件/Jokerman.ttf
Normal file
Binary file not shown.
11
验证码控件/README.md
Normal file
11
验证码控件/README.md
Normal file
|
|
@ -0,0 +1,11 @@
|
||||||
|
# 验证码控件
|
||||||
|
<br />
|
||||||
|
|
||||||
|
### [Python3.4.4 or Python3.5][PyQt5]
|
||||||
|
|
||||||
|
# 截图
|
||||||
|
<img src="ScreenShot/1.png" />
|
||||||
|
|
||||||
|
# 说明
|
||||||
|
参考网上一些代码，都是采用paintEvent绘制，这里采用QLabel显示html结合字体来显示文字<br />
|
||||||
|
然后在paintEvent中绘制噪点和线条
|
||||||
BIN
验证码控件/ScreenShot/1.png
Normal file
BIN
验证码控件/ScreenShot/1.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 11 KiB |
94
验证码控件/WidgetCode.py
Normal file
94
验证码控件/WidgetCode.py
Normal file
|
|
@ -0,0 +1,94 @@
|
||||||
|
#!/usr/bin/env python
|
||||||
|
# -*- coding: utf-8 -*-
|
||||||
|
|
||||||
|
'''
|
||||||
|
Created on 2017年4月5日
|
||||||
|
@author: Irony."[讽刺]
|
||||||
|
@site: alyl.vip, orzorz.vip, irony.coding.me , irony.iask.in , mzone.iask.in
|
||||||
|
@email: 892768447@qq.com
|
||||||
|
@file: widgets.WidgetCode
|
||||||
|
@description:
|
||||||
|
'''
|
||||||
|
from random import sample
|
||||||
|
import string
|
||||||
|
|
||||||
|
from PyQt5.QtCore import Qt, qrand, QPointF, QPoint
|
||||||
|
from PyQt5.QtGui import QPainter, QBrush, QFont, QPen, QFontDatabase
|
||||||
|
from PyQt5.QtWidgets import QLabel, QLineEdit
|
||||||
|
|
||||||
|
|
||||||
|
__version__ = "0.0.1"
|
||||||
|
|
||||||
|
DEF_NOISYPOINTCOUNT = 60 # 噪点数量
|
||||||
|
COLORLIST = ("black", "gray", "red", "green", "blue", "cyan", "magenta")
|
||||||
|
QTCOLORLIST = (Qt.darkGray, Qt.darkRed, Qt.darkGreen, Qt.darkBlue, Qt.darkCyan, Qt.darkMagenta)
|
||||||
|
HTML = "<html><body>{html}</body></html>"
|
||||||
|
FONT = "<font color=\"{color}\">{word}</font>"
|
||||||
|
WORDS = list(string.ascii_letters + string.digits)
|
||||||
|
|
||||||
|
class WidgetCode(QLabel):
|
||||||
|
|
||||||
|
def __init__(self, *args, **kwargs):
|
||||||
|
super(WidgetCode, self).__init__(*args, **kwargs)
|
||||||
|
self.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
|
||||||
|
self.setFont(QFont("Jokerman", 16))
|
||||||
|
self.reset()
|
||||||
|
|
||||||
|
def reset(self):
|
||||||
|
self._code = "".join(sample(WORDS, 4)) # 随机4个字符
|
||||||
|
self.setText(self._code)
|
||||||
|
|
||||||
|
def check(self, code):
|
||||||
|
# 校验
|
||||||
|
print("check", self._code.lower(), str(code).lower())
|
||||||
|
return self._code.lower() == str(code).lower()
|
||||||
|
|
||||||
|
def setText(self, text=""):
|
||||||
|
self._code = text
|
||||||
|
html = "".join([FONT.format(color=COLORLIST[qrand() % 7], word=t) for t in text])
|
||||||
|
super(WidgetCode, self).setText(HTML.format(html=html))
|
||||||
|
|
||||||
|
def mouseReleaseEvent(self, event):
|
||||||
|
super(WidgetCode, self).mouseReleaseEvent(event)
|
||||||
|
self.reset()
|
||||||
|
|
||||||
|
def paintEvent(self, event):
|
||||||
|
painter = QPainter(self)
|
||||||
|
painter.setRenderHint(QPainter.Antialiasing)
|
||||||
|
# 背景白色
|
||||||
|
painter.fillRect(event.rect(), QBrush(Qt.white))
|
||||||
|
# 绘制边缘虚线框
|
||||||
|
painter.setPen(Qt.DashLine)
|
||||||
|
painter.setBrush(Qt.NoBrush)
|
||||||
|
painter.drawRect(self.rect())
|
||||||
|
# 随机画条线
|
||||||
|
for _ in range(3):
|
||||||
|
painter.setPen(QPen(QTCOLORLIST[qrand() % 6], 1, Qt.SolidLine))
|
||||||
|
painter.setBrush(Qt.NoBrush)
|
||||||
|
painter.drawLine(QPoint(0, qrand() % self.height()),
|
||||||
|
QPoint(self.width(), qrand() % self.height()))
|
||||||
|
painter.drawLine(QPoint(qrand() % self.width(), 0),
|
||||||
|
QPoint(qrand() % self.width(), self.height()))
|
||||||
|
# 绘制噪点
|
||||||
|
painter.setPen(Qt.DotLine)
|
||||||
|
painter.setBrush(Qt.NoBrush)
|
||||||
|
for _ in range(self.width()): # 绘制噪点
|
||||||
|
painter.drawPoint(QPointF(qrand() % self.width(), qrand() % self.height()))
|
||||||
|
super(WidgetCode, self).paintEvent(event) # 绘制文字
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
import sys
|
||||||
|
from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout
|
||||||
|
app = QApplication(sys.argv)
|
||||||
|
app.setApplicationName("Validate Code")
|
||||||
|
QFontDatabase.addApplicationFont("Jokerman.ttf")
|
||||||
|
w = QWidget()
|
||||||
|
layout = QHBoxLayout(w)
|
||||||
|
|
||||||
|
cwidget = WidgetCode(w, minimumHeight=48, minimumWidth=100)
|
||||||
|
layout.addWidget(cwidget)
|
||||||
|
lineEdit = QLineEdit(w, maxLength=4, placeholderText="请输入验证码并按回车验证",
|
||||||
|
returnPressed=lambda:print(cwidget.check(lineEdit.text())))
|
||||||
|
layout.addWidget(lineEdit)
|
||||||
|
w.show()
|
||||||
|
sys.exit(app.exec_())
|
||||||
Loading…
Reference in a new issue