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- /*
- ## Miscellaneous
- */
- var DICT = require('./address_dict')
- module.exports = {
- // Dice
- d4: function() {
- return this.natural(1, 4)
- },
- d6: function() {
- return this.natural(1, 6)
- },
- d8: function() {
- return this.natural(1, 8)
- },
- d12: function() {
- return this.natural(1, 12)
- },
- d20: function() {
- return this.natural(1, 20)
- },
- d100: function() {
- return this.natural(1, 100)
- },
- /*
- 随机生成一个 GUID。
- http://www.broofa.com/2008/09/javascript-uuid-function/
- [UUID 规范](http://www.ietf.org/rfc/rfc4122.txt)
- UUIDs (Universally Unique IDentifier)
- GUIDs (Globally Unique IDentifier)
- The formal definition of the UUID string representation is provided by the following ABNF [7]:
- UUID = time-low "-" time-mid "-"
- time-high-and-version "-"
- clock-seq-and-reserved
- clock-seq-low "-" node
- time-low = 4hexOctet
- time-mid = 2hexOctet
- time-high-and-version = 2hexOctet
- clock-seq-and-reserved = hexOctet
- clock-seq-low = hexOctet
- node = 6hexOctet
- hexOctet = hexDigit hexDigit
- hexDigit =
- "0" / "1" / "2" / "3" / "4" / "5" / "6" / "7" / "8" / "9" /
- "a" / "b" / "c" / "d" / "e" / "f" /
- "A" / "B" / "C" / "D" / "E" / "F"
-
- https://github.com/victorquinn/chancejs/blob/develop/chance.js#L1349
- */
- guid: function() {
- var pool = "abcdefABCDEF1234567890",
- guid = this.string(pool, 8) + '-' +
- this.string(pool, 4) + '-' +
- this.string(pool, 4) + '-' +
- this.string(pool, 4) + '-' +
- this.string(pool, 12);
- return guid
- },
- uuid: function() {
- return this.guid()
- },
- /*
- 随机生成一个 18 位身份证。
- [身份证](http://baike.baidu.com/view/1697.htm#4)
- 地址码 6 + 出生日期码 8 + 顺序码 3 + 校验码 1
- [《中华人民共和国行政区划代码》国家标准(GB/T2260)](http://zhidao.baidu.com/question/1954561.html)
- */
- id: function() {
- var id,
- sum = 0,
- rank = [
- "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2"
- ],
- last = [
- "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"
- ]
- id = this.pick(DICT).id +
- this.date('yyyyMMdd') +
- this.string('number', 3)
- for (var i = 0; i < id.length; i++) {
- sum += id[i] * rank[i];
- }
- id += last[sum % 11];
- return id
- },
- /*
- 生成一个全局的自增整数。
- 类似自增主键(auto increment primary key)。
- */
- increment: function() {
- var key = 0
- return function(step) {
- return key += (+step || 1) // step?
- }
- }(),
- inc: function(step) {
- return this.increment(step)
- }
- }
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