更新了部分文档
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commit
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@ -57,15 +57,15 @@ yum -y install wget gcc zlib-devel bzip2-devel openssl-devel ncurses-devel sqlit
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2. 下载Python源代码并解压缩到指定目录。
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```Shell
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wget https://www.python.org/ftp/python/3.7.3/Python-3.7.3.tgz
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xz -d Python-3.7.3.tar.xz
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tar -xvf Python-3.7.3.tar
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wget https://www.python.org/ftp/python/3.7.6/Python-3.7.6.tar.xz
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xz -d Python-3.7.6.tar.xz
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tar -xvf Python-3.7.6.tar
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```
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3. 切换至Python源代码目录并执行下面的命令进行配置和安装。
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```Shell
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cd Python-3.7.3
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cd Python-3.7.6
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./configure --prefix=/usr/local/python37 --enable-optimizations
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make && make install
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```
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@ -174,7 +174,7 @@ MySQL在过去由于性能高、成本低、可靠性好,已经成为最流行
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alter user 'root'@'localhost' identified by '123456';
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```
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> 说明:MySQL较新的版本默认不允许使用弱口令作为用户口令,所以我们通过上面的前两条命令修改了验证用户口令的策略和口令的长度。事实上我们不应该使用弱口令,因为存在用户口令被暴力破解的风险。近年来,攻击数据库窃取数据和劫持数据库勒索比特币的事件屡见不鲜,要避免这些潜在的风险,最为重要的一点是不要让数据库服务器暴露在公网上(最好的做法是将数据库置于内网,至少要做到不向公网开放数据库服务器的访问端口),另外要保管好`root`账号的口令,应用系统需要访问数据库时,通常不使用`root`账号进行访问,而是创建其他拥有适当权限的账号来访问。
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> **说明**:MySQL较新的版本默认不允许使用弱口令作为用户口令,所以我们通过上面的前两条命令修改了验证用户口令的策略和口令的长度。事实上我们不应该使用弱口令,因为存在用户口令被暴力破解的风险。近年来,攻击数据库窃取数据和劫持数据库勒索比特币的事件屡见不鲜,要避免这些潜在的风险,最为重要的一点是不要让数据库服务器暴露在公网上(最好的做法是将数据库置于内网,至少要做到不向公网开放数据库服务器的访问端口),另外要保管好`root`账号的口令,应用系统需要访问数据库时,通常不使用`root`账号进行访问,而是创建其他拥有适当权限的账号来访问。
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再次使用客户端工具连接MySQL服务器时,就可以使用新设置的口令了。在实际开发中,为了方便用户操作,可以选择图形化的客户端工具来连接MySQL服务器,包括:
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@ -1199,7 +1199,7 @@ insert into tb_emp values
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# 1. 创建数据库连接对象
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con = pymysql.connect(host='localhost', port=3306,
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database='hrs', charset='utf8',
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user='root', password='123456')
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user='yourname', password='yourpass')
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try:
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# 2. 通过连接对象获取游标
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with con.cursor() as cursor:
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@ -1231,7 +1231,7 @@ insert into tb_emp values
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no = int(input('编号: '))
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con = pymysql.connect(host='localhost', port=3306,
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database='hrs', charset='utf8',
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user='root', password='123456',
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user='yourname', password='yourpass',
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autocommit=True)
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try:
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with con.cursor() as cursor:
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@ -1263,7 +1263,7 @@ insert into tb_emp values
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loc = input('所在地: ')
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con = pymysql.connect(host='localhost', port=3306,
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database='hrs', charset='utf8',
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user='root', password='123456',
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user='yourname', password='yourpass',
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autocommit=True)
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try:
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with con.cursor() as cursor:
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@ -1291,7 +1291,7 @@ insert into tb_emp values
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def main():
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con = pymysql.connect(host='localhost', port=3306,
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database='hrs', charset='utf8',
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user='root', password='123456')
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user='yourname', password='yourpass')
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try:
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with con.cursor(cursor=DictCursor) as cursor:
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cursor.execute('select dno as no, dname as name, dloc as loc from tb_dept')
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@ -1334,7 +1334,7 @@ insert into tb_emp values
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size = int(input('大小: '))
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con = pymysql.connect(host='localhost', port=3306,
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database='hrs', charset='utf8',
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user='root', password='123456')
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user='yourname', password='yourpass')
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try:
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with con.cursor() as cursor:
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cursor.execute(
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@ -107,7 +107,7 @@ redis-server
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方式一:通过参数指定认证口令和AOF持久化方式。
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```Shell
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redis-server --requirepass 1qaz2wsx --appendonly yes
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redis-server --requirepass yourpass --appendonly yes
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```
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方式二:通过指定的配置文件来修改Redis的配置。
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@ -119,7 +119,7 @@ redis-server /root/redis-5.0.4/redis.conf
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下面我们使用第一种方式来启动Redis并将其置于后台运行,将Redis产生的输出重定向到名为redis.log的文件中。
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```Shell
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redis-server --requirepass 1qaz2wsx > redis.log &
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redis-server --requirepass yourpass > redis.log &
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```
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可以通过ps或者netstat来检查Redis服务器是否启动成功。
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@ -133,7 +133,7 @@ netstat -nap | grep redis-server
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```Shell
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redis-cli
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127.0.0.1:6379> auth 1qaz2wsx
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127.0.0.1:6379> auth yourpass
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OK
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127.0.0.1:6379> ping
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PONG
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@ -274,7 +274,7 @@ python3
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```Python
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>>> import redis
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>>> client = redis.Redis(host='1.2.3.4', port=6379, password='1qaz2wsx')
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>>> client = redis.Redis(host='1.2.3.4', port=6379, password='yourpass')
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>>> client.set('username', 'admin')
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True
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>>> client.hset('student', 'name', 'hao')
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@ -171,8 +171,8 @@ def find_contacters(con):
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def main():
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con = pymysql.connect(host='120.77.222.217', port=3306,
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user='root', passwd='123456',
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con = pymysql.connect(host='1.2.3.4', port=3306,
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user='yourname', passwd='yourpass',
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db='address', charset='utf8',
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autocommit=True,
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cursorclass=pymysql.cursors.DictCursor)
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@ -29,10 +29,10 @@
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'default': {
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'ENGINE': 'django.db.backends.mysql',
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'NAME': 'oa',
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'HOST': '127.0.0.1',
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'HOST': '1.2.3.4',
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'PORT': 3306,
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'USER': 'root',
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'PASSWORD': '123456',
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'USER': 'yourname',
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'PASSWORD': 'yourpass',
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}
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}
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@ -81,8 +81,8 @@ DATABASES = {
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'NAME': 'shop',
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'HOST': 'localhost',
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'PORT': 3306,
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'USER': 'root',
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'PASSWORD': '123456',
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'USER': 'yourname',
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'PASSWORD': 'yourpass',
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}
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}
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@ -81,8 +81,8 @@ DATABASES = {
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'NAME': 'Shop',
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'HOST': 'localhost',
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'PORT': 3306,
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'USER': 'root',
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'PASSWORD': '123456',
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'USER': 'yourname',
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'PASSWORD': 'yourpass',
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}
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}
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@ -14,8 +14,10 @@ from tornado.options import define, options, parse_command_line
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define('port', default=8888, type=int)
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# 请求天行数据提供的API数据接口
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REQ_URL = 'http://api.tianapi.com/guonei/'
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API_KEY = '772a81a51ae5c780251b1f98ea431b84'
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# 在天行数据网站注册后可以获得API_KEY
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API_KEY = 'your_personal_api_key'
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class MainHandler(tornado.web.RequestHandler):
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@ -14,8 +14,10 @@ from tornado.options import define, options, parse_command_line
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define('port', default=8888, type=int)
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# 请求天行数据提供的API数据接口
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REQ_URL = 'http://api.tianapi.com/guonei/'
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API_KEY = '772a81a51ae5c780251b1f98ea431b84'
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# 在天行数据网站注册后可以获得API_KEY
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API_KEY = 'your_personal_api_key'
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class MainHandler(tornado.web.RequestHandler):
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@ -15,13 +15,13 @@ define('port', default=8888, type=int)
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async def connect_mysql():
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return await aiomysql.connect(
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host='120.77.222.217',
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host='1.2.3.4',
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port=3306,
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db='hrs',
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charset='utf8',
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use_unicode=True,
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user='root',
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password='123456',
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user='yourname',
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password='yourpass',
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)
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@ -21,13 +21,13 @@ define('port', default=8888, type=int)
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def get_mysql_connection():
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return connect(
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host='120.77.222.217',
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host='1.2.3.4',
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port=3306,
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db='hrs',
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charset='utf8',
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use_unicode=True,
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user='root',
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password='123456',
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user='yourname',
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password='yourpass',
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)
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@ -19,13 +19,13 @@ from service.handlers.handlers_for_charts import ChartHandler
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async def connect_mysql():
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return await aiomysql.connect(
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host='120.77.222.217',
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host='1.2.3.4',
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port=3306,
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db='hrs',
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charset='utf8',
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use_unicode=True,
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user='root',
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password='123456',
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user='yourname',
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password='yourpass',
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)
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@ -853,7 +853,7 @@ CACHES = {
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'CONNECTION_POOL_KWARGS': {
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'max_connections': 1000,
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},
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'PASSWORD': '1qaz2wsx',
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'PASSWORD': 'yourpass',
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}
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},
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# 页面缓存
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'CONNECTION_POOL_KWARGS': {
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'max_connections': 500,
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},
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'PASSWORD': '1qaz2wsx',
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'PASSWORD': 'yourpass',
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}
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},
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# 会话缓存
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@ -884,7 +884,7 @@ CACHES = {
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'CONNECTION_POOL_KWARGS': {
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'max_connections': 2000,
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},
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'PASSWORD': '1qaz2wsx',
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'PASSWORD': 'yourpass',
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}
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},
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# 接口数据缓存
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'CONNECTION_POOL_KWARGS': {
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'max_connections': 500,
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},
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'PASSWORD': '1qaz2wsx',
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'PASSWORD': 'yourpass',
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}
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},
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}
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@ -1781,7 +1781,7 @@ CORS_ORIGIN_ALLOW_ALL = True
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>>> signer.unsign(value)
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'hello, world!'
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>>>
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>>> signer = Signer(salt='1qaz2wsx')
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>>> signer = Signer(salt='yoursalt')
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>>> signer.sign('hello, world!')
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'hello, world!:9vEvG6EA05hjMDB5MtUr33nRA_M'
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>>>
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