python写的一个简单的英汉翻译


注意:

1 安装pyqt模块

2.python的IDLE默认编码为utf-8

3.去http://fanyi.youdao.com/openapi?path=data-mode,申请一个api key

# -*- coding: utf-8 -*-  
import sys
from PyQt4 import QtGui,QtCore
import urllib
import json
from urllib import urlencode

class LH_QWidget(QtGui.QWidget):
    def __init__(self):
        QtGui.QWidget.__init__(self)
        self.first=QtGui.QLineEdit(self) #添加一个文本框
        #label1=QtGui.QLabel('+',self)
        #self.second=QtGui.QLineEdit(self)
        #label2=QtGui.QLabel('=',self)
        self.third=QtGui.QLineEdit(self)  #再添加一个文本框
        button=QtGui.QPushButton('summit',self) #添加一个按钮
        
        grid=QtGui.QGridLayout()  #布局
        grid.addWidget(self.first,0,0)
        #grid.addWidget(label1,0,1)
        #grid.addWidget(self.second ,0,2)
        #grid.addWidget(label2,0,3)
        grid.addWidget(self.third,1,0)
        grid.addWidget(button,2,0)
        
        self.resize(300,150)
        self.setWindowTitle("loster")
        self.setLayout(grid)

        self.connect(button,QtCore.SIGNAL('clicked()'),chuli) #按钮的监听,调用函数chuli()

    def getfirst(self):
        return self.first.text()
    def getsecond(self):
        return self.second.text()
    def getthird(self,text):
        self.third.setText(text)

def chuli():
    url='http://fanyi.youdao.com/openapi.do?keyfrom=123licheng&key=1933182090&type=data&doctype=json&version=1.1&q='
    x=LH_Widget.getfirst() #获取要翻译的文本
    #print x
    x= unicode(x,'utf-8').encode('utf-8') #把输入转化成utf-8编码
    print unicode(x,'utf-8').decode('utf-8')
    
   
    result=urllib.urlopen(url+x).read() #读入
    jsonval=json.loads(result)  #获取返回的json结构

    print jsonval.values()
    print '---------------'
    print jsonval.keys()
    print jsonval["translation"][0]
    LH_Widget.getthird(jsonval["translation"][0])
    
        
if __name__=="__main__":
    app=QtGui.QApplication(sys.argv)
    LH_Widget=LH_QWidget()
    LH_Widget.show()
    sys.exit(app.exec_())
\

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