Rails \u7684\u8cc7\u6599\u5eab\u8a2d\u5b9a\u6a94 database.yml \u662f\u7528\u4e00\u7a2e\u53eb YAML\u00a0\u7684\u683c\u5f0f\u6240\u64b0\u5beb\uff0c\u6a94\u6848\u6253\u958b\u4f86\uff0c\u770b\u8d77\u4f86\u5c31\u50cf\u4e00\u822c\u7684 plain \u8a2d\u5b9a\u6a94\uff0c\u975e\u5e38\u5bb9\u6613\u4fee\u6539\u3002<\/p>\n
YAML \u7684\u8a2d\u8a08\u9996\u8981\u76ee\u6a19\u5c31\u662f\u8981\u8b93\u4f7f\u7528\u8005\u5bb9\u6613\u770b\u61c2\uff0c\u53ef\u4ee5\u548c script \u8a9e\u8a00\u642d\u914d\u826f\u597d\u3002\u7528\u9014\u6709 \u8cc7\u6599\u5e8f\u5217\u5316 data serialization\u3001\u8a2d\u5b9a\u6a94 configuration settings\u3001log files\u3001Internet messaging\u3001filtering \u7b49\u3002\u7db2\u7ad9\u4e0a\u5df2\u77e5\u6709\u652f\u63f4\u7684 script \u8a9e\u8a00\u6709 Python,Ruby,Java,PHP,Perl,Javascript \u7b49\u3002<\/p>\n
\u53c3\u8003\u8cc7\u6599:<\/p>\n
<\/p>\n
\u4e00\u500b\u7bc4\u4f8b\uff0c\u5176\u4e2d<\/p>\n
invoice: 34843
\ndate\u00a0\u00a0 : 2001-01-23
\nbill-to: &id001
\n\u00a0\u00a0\u00a0 given\u00a0 : Chris
\n\u00a0\u00a0\u00a0 family : Dumars
\n\u00a0\u00a0\u00a0 address:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lines: |
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 458 Walkman Dr.
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Suite #292
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 city\u00a0\u00a0\u00a0 : Royal Oak
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 state\u00a0\u00a0 : MI
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 postal\u00a0 : 48046
\nship-to: *id001
\nproduct:
\n\u00a0\u00a0\u00a0 – sku\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : BL394D
\n\u00a0\u00a0\u00a0\u00a0\u00a0 quantity\u00a0\u00a0\u00a0 : 4
\n\u00a0\u00a0\u00a0\u00a0\u00a0 description : Basketball
\n\u00a0\u00a0\u00a0\u00a0\u00a0 price\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 450.00
\n\u00a0\u00a0\u00a0 – sku\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : BL4438H
\n\u00a0\u00a0\u00a0\u00a0\u00a0 quantity\u00a0\u00a0\u00a0 : 1
\n\u00a0\u00a0\u00a0\u00a0\u00a0 description : Super Hoop
\n\u00a0\u00a0\u00a0\u00a0\u00a0 price\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 2392.00
\ntax\u00a0 : 251.42
\ntotal: 4443.52
\ncomments: >
\n\u00a0\u00a0\u00a0 Late afternoon is best.
\n\u00a0\u00a0\u00a0 Backup contact is Nancy
\n\u00a0\u00a0\u00a0 Billsmer @ 338-4338.<\/p><\/blockquote>\n\u7528 Ruby \u8b80\u9032\u8cc7\u6599<\/p>\n
require ‘yaml’<\/p>\n
ps2 = YAML.load_file(‘y.yaml’)
\nps2.each do |it|
\n\u00a0 puts it.inspect
\nend<\/p><\/blockquote>\n\u8b80\u51fa\u4f86 inspect \u7684\u7d50\u679c\u662f<\/p>\n
[“tax”, 251.42]<\/p>\n
[“bill-to”,\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0 “given”=>”Chris”,
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “family”=>”Dumars”,
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0“address”=> {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “postal”=>48046,
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “city”=>”Royal Oak”,
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0“lines”=>”458 Walkman Dr.\\nSuite #292\\n”,
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “state”=>”MI”}
\n}]<\/p>\n[“comments”, “Late afternoon is best. Backup contact is Nancy Billsmer @ 338-433
\n8.\\n”]<\/p>\n[“invoice”, 34843]<\/p>\n
[“date”, #]<\/p>\n
[“total”, 4443.52]<\/p>\n
[“product”,
\n\u00a0\u00a0\u00a0\u00a0 \u00a0[
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {“price”=>450.0, “quantity”=>4, “description”=>”Basketball”, “sku”=
\n>”BL394D”},
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {“price”=>2392.0, “quantity”=>1, “description”=>”Super Hoop”, “sku”=
\n>”BL4438H”}
\n\u00a0\u00a0\u00a0\u00a0 ]
\n]<\/p>\n[“ship-to”, {“given”=>”Chris”, “family”=>”Dumars”, “address”=>{“postal”=>48046,
\n“city”=>”Royal Oak”, “lines”=>”458 Walkman Dr.\\nSuite #292\\n”, “state”=>”MI”}}]<\/p><\/blockquote>\nRails Receipts \u4e00\u66f8\u63d0\u5230\u4f60\u53ef\u4ee5\u9019\u6a23\u904b\u7528\u5728 database.yml :<\/p>\n
defaults: &defaults
\n\u00a0 adapter: mysql
\n\u00a0 username: root
\n\u00a0 password:\u00a0abcdef
\n\u00a0 socket: \/tmp\/mysql.sock<\/p>\ndevelopment:
\n\u00a0 database: xxx_development
\n\u00a0 < <: *defaults<\/p>\ntest:
\n\u00a0 database: xxx_test
\n\u00a0 <<: *defaults<\/p>\nproduction:
\n\u00a0 database: xxx_productuin
\n\u00a0 <<: *defaults<\/p><\/blockquote>\n\u9019\u6a23\u7684\u8a71\uff0c\u90fd\u6703\u4f7f\u7528\u4e00\u6a23\u7684\u5e33\u865f\u5bc6\u78bc\u8a2d\u5b9a\u5566\u3002<\/p>\n
<\/blockquote>\n<\/blockquote>\n<\/blockquote>\n<\/blockquote>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"Rails \u7684\u8cc7\u6599\u5eab\u8a2d\u5b9a\u6a94 database.yml \u662f\u7528\u4e00\u7a2e\u53eb YAML\u00a0\u7684\u683c\u5f0f\u6240\u64b0\u5beb\uff0c\u6a94\u6848\u6253\u958b\u4f86\uff0c\u770b\u8d77\u4f86\u5c31 … <\/p>\n