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简介
Pyjnius是一个用于访问Java类的Python库。
适用场景：极个别的加密算法等内容，用python不方便实现或者实现较耗时，可基于Pyjnius把java类当做python库使用。
文档：http://pyjnius.readthedocs.io/en/latest/installation.html
下载地址：https://pypi.python.org/pypi"_blank" href="https://github.com/kivy/pyjnius/blob/master/docs/source/index.rst" rel="external nofollow" >https://github.com/kivy/pyjnius/blob/master/docs/source/index.rst
安装
先安装Java JDK 和JRE、Cython
# pip3 install cython # pip3 install jniusx Collecting jniusx Downloading jniusx - 1.0.5. tar.gz Requirement already satisfied: six >= 1.7.0 in /opt/python 3.5 / lib / python3.5 / site - packages( from jniusx) Requirement already satisfied: cython in /opt/python 3.5 / lib / python3.5 / site - packages( from jniusx) Installing collected packages: jniusx Running setup.py install for jniusx...done Successfully installed jniusx - 1.0.5
注意：jnius安装的坑比较多，请参考http://stackoverflow.com/search"htmlcode">
#!/usr/bin/env python
#- * -coding: utf - 8 - * -
#jnius_quick2.py
# Author Rongzhong Xu 2016 - 08 - 02 wechat:
pythontesting
# https: //bitbucket.org/china-testing/python-chinese-library/src
""
"
jnius demo
Tested in python2.7
""
"
from jnius
import autoclass
System = autoclass('java.lang.System')
System.out.println('Hello World')
堆栈实例：
#!/usr/bin/env python
#- * -coding: utf - 8 - * -
#jnius_quick1.py
# Author Rongzhong Xu 2016 - 08 - 02 wechat:
pythontesting
# https: //bitbucket.org/china-testing/python-chinese-library/src
""
"
jnius demo
Tested in python2.7
""
"
from jnius
import autoclass
Stack = autoclass('java.util.Stack')
stack = Stack()
stack.push('hello')
stack.push('world')
print(stack.pop())# -- > 'world'
print(stack.pop())# -- > 'hello'
调用java String的hashCode
#!/usr/bin/env python
#- * -coding: utf - 8 - * -
#jnius_quick3.py
# Author Rongzhong Xu 2016 - 08 - 02 wechat:
pythontesting
# https: //bitbucket.org/china-testing/python-chinese-library/src
""
"
jnius demo: Call java String 's hashCode
Tested in python2.7
""
"
from jnius
import autoclass
String = autoclass('java.lang.String')
print(String("hello").hashCode())
调用jar包
#!python
#
vi com / sample / Beach.java
package com.sample;
public class Beach {
private String name;
private String city;
public Beach(String name, String city) {
this.name = name;
this.city = city;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
}
#
echo Main - Class: Beach > manifest.txt
# jar cvfm Test.jar manifest.txt com /
sample /*.class*/
测试：
#!python # ipython Python 3.5.2( default, Nov 7 2016, 18: 53: 51) Type "copyright", "credits" or "license" for more information. IPython 5.1.0--An enhanced Interactive Python . "Tom", "Shenzhen") In[6]: s.getName() Out[6]: 'Tom' `` ` 封装某模块的加密机制为python包实例： * 拷贝： com cn org 到新建的临时目录 * echo Main-Class: AESUtil >manifest.txt * jar cvfm Test.jar manifest.txt * 测试代码： ` `` python # - * -coding: utf - 8 - * - #注意要先把jar加载CLASSPATH环境变量。 from jnius import autoclass AESUtil = autoclass( 'com.oppo.sso.util.AESUtil') email = AESUtil.aesEncrypt( "hello@126.com", "我是一个加密密钥") print(email)# !python # ipython Python 3.5.2( default, Nov 7 2016, 18: 53: 51) Type "copyright", "credits" or "license" for more information. IPython 5.1.0--An enhanced Interactive Python . "Tom", "Shenzhen") In[6]: s.getName() Out[6]: 'Tom' `` ` 封装某模块的加密机制为python包实例： * 拷贝： com cn org 到新建的临时目录 * echo Main-Class: AESUtil >manifest.txt * jar cvfm Test.jar manifest.txt * 测试代码： ` `` python # - * -coding: utf - 8 - * - #注意要先把jar加载CLASSPATH环境变量。 from jnius import autoclass AESUtil = autoclass( 'com.oppo.sso.util.AESUtil') email = AESUtil.aesEncrypt( "hello@126.com", "我是一个加密密钥") print(email)
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
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