北京网站建设迈程网络,全球知名购物网站有哪些,莱芜网站推广,漳州建设网站由于是1.8.x#xff1b;圣经的1.9.3差太多,所以另外按1.8.X来创建hello world 第一個Hello World!! 1. 创建项目rails -d mysql first 2。创建控制器 cd first ruby script/generate controller hello 3.创建交互动作 vi app/controllers/hello_controller.rb 修改为 … 由于是1.8.x圣经的1.9.3差太多,所以另外按1.8.X来创建hello world 第一個Hello World!! 1. 创建项目rails -d mysql first 2。创建控制器 cd first ruby script/generate controller hello 3.创建交互动作 vi app/controllers/hello_controller.rb 修改为 class HelloController ApplicationController def there end end 4.创建对应动作的view层 vi app/views/hello/there.rhtml h1Hello, World!/h1 5.此时启动服务器 ./script/server 5.前端访问 http://192.168.60.128:3000/hello/there 报错 Errno::ENOENT in HelloController#there No such file or directory - /tmp/mysql.sock 解决 安装mysql之后 service mysqld start 解决办法 ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock 遇到问题 #42000Unknown database first_development 解决办法 [rootlocalhost /]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 4 Server version: 5.1.52 Qihoo.com Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to modify and redistribute it under the GPL v2 license Type help; or \h for help. Type \c to clear the current input statement. mysql create database first_development; Query OK, 1 row affected (0.00 sec) 终于TMD访问成功 总结 1.由于ruby on rails的架构必须关联数据库用 rails first 创建会默认关联 sqlite库。去掉 database.yml也报错 2.用rails -d mysql first创建会在config/database.yml中写下 # MySQL. Versions 4.1 and 5.0 are recommended. # # Install the MySQL driver: # gem install mysql # On Mac OS X: # sudo gem install mysql -- --with-mysql-dir/usr/local/mysql # On Mac OS X Leopard: # sudo env ARCHFLAGS-arch i386 gem install mysql -- --with-mysql-config/usr/local/mysql/bin/mysql_config # This sets the ARCHFLAGS environment variable to your native architecture # On Windows: # gem install mysql # Choose the win32 build. # Install MySQL and put its /bin directory on your path. # # And be sure to use new-style password hashing: # http://dev.mysql.com/doc/refman/5.0/en/old-client.html development: adapter: mysql encoding: utf8 database: first_development username: root password: host: localhost # Warning: The database defined as test will be erased and # re-generated from your development database when you run rake. # Do not set this db to the same as development or production. test: adapter: mysql encoding: utf8 database: first_test username: root password: host: localhost production: adapter: mysql encoding: utf8 database: first_production username: root password: host: localhost 说明当前开发时使用的是development库上线后可以改用 production 库具体怎么设置还没学习到
