加入收藏 | 设为首页 | 会员中心 | 我要投稿 应用网_阳江站长网 (https://www.0662zz.com/)- 科技、建站、经验、云计算、5G、大数据,站长网!
当前位置: 首页 > 创业 > 模式 > 正文

程序员三大美德之一:快速有效检索网页数据的“懒惰”程序员指南

发布时间:2020-08-08 11:04:58 所属栏目:模式 来源:51cto
导读:根据Perl编程语言的作者拉里沃尔的说法,程序员具有三大美德:懒惰,不耐烦和傲慢。懒惰可以让你全力以赴,降低总能耗,其他人会发现你编写的省力程序很有用。 比尔盖茨的观点是:我选择让懒惰的人完成艰巨的任务,因为他可以找到完成任务的捷径。 网页抓

{      quoteSummary : {          result : [{              defaultKeyStatistics : {                  maxAge : 1,                  priceHint : {                      raw : 2,                      fmt :  2 ,                      longFmt :  2                  },                  enterpriseValue : {                      raw : 13677747200,                      fmt :  13.68B ,                      longFmt : 13,677,747,200                  },                  forwardPE : {},                  profitMargins : {                      raw : 0.07095,                      fmt :  7.10%                  },                  floatShares : {                      raw : 637754149,                      fmt :  637.75M ,                      longFmt : 637,754,149                  },                  sharesOutstanding : {                      raw : 639003008,                      fmt :  639M ,                      longFmt : 639,003,008                  },                  sharesShort : {},                  sharesShortPriorMonth :{},                  sharesShortPreviousMonthDate :{},                  dateShortInterest : {},                  sharesPercentSharesOut : {},                  heldPercentInsiders : {                      raw : 0.0025499999,                      fmt :  0.25%                  },                  heldPercentInstitutions : {                      raw : 0.31033,                      fmt :  31.03%                  },                  shortRatio : {},                  shortPercentOfFloat :{},                  beta : {                      raw : 0.365116,                      fmt :  0.37                  },                  morningStarOverallRating :{},                  morningStarRiskRating :{},                  category : None,                  bookValue : {                      raw : 12.551,                      fmt :  12.55                  },                  priceToBook : {                      raw : 1.3457094,                      fmt :  1.35                  },                 annualReportExpenseRatio : {},                  ytdReturn : {},                  beta3Year : {},                  totalAssets : {},                  yield : {},                  fundFamily : None,                  fundInceptionDate : {},                  legalType : None,                  threeYearAverageReturn :{},                  fiveYearAverageReturn :{},                  priceToSalesTrailing12Months :{},                  lastFiscalYearEnd : {                      raw : 1561852800,                      fmt :  2019-06-30                  },                  nextFiscalYearEnd : {                      raw : 1625011200,                      fmt :  2021-06-30                  },                  mostRecentQuarter : {                      raw : 1577750400,                      fmt :  2019-12-31                  },                 earningsQuarterlyGrowth : {                      raw : 0.114,                      fmt :  11.40%                  },                  revenueQuarterlyGrowth :{},                  netIncomeToCommon : {                      raw : 938000000,                      fmt :  938M ,                      longFmt : 938,000,000                  },                  trailingEps : {                      raw : 1.434,                      fmt :  1.43                  },                  forwardEps : {},                  pegRatio : {},                  lastSplitFactor : None,                  lastSplitDate : {},                  enterpriseToRevenue : {                      raw : 1.035,                      fmt :  1.03                  },                  enterpriseToEbitda : {                      raw : 6.701,                      fmt :  6.70                  },                  52WeekChange : {                      raw : -0.17621362,                      fmt :  -17.62%                  },                  SandP52WeekChange : {                      raw : 0.045882702,                      fmt :  4.59%                  },                  lastDividendValue : {},                  lastCapGain : {},                  annualHoldingsTurnover :{}             }        }],          error : None     } }{ AGL.AX : { Enterprise Value :  13.73B ,  Shares Short :  N/A }} 

“懒惰”的解决方案只是简单地将请求从使用前端URL更改为某种非官方的返回JSON数据的API端点。这个方案更简单,可以导出更多数据 ,那么它的速度呢?代码如下:

(编辑:应用网_阳江站长网)

【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!

推荐文章
    热点阅读