{"id":353278,"date":"2021-02-23T22:09:51","date_gmt":"2021-02-23T14:09:51","guid":{"rendered":"http:\/\/4563.org\/?p=353278"},"modified":"2021-02-23T22:09:51","modified_gmt":"2021-02-23T14:09:51","slug":"javascript-%e9%87%8c%e7%9a%84%e5%b5%8c%e5%a5%97%e6%95%b0%e7%bb%84%ef%bc%8c%e8%bd%ac%e4%b8%ba%e5%ad%97%e5%85%b8%e7%9a%84%e9%97%ae%e9%a2%98%e3%80%82%e3%80%82%e3%80%82","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=353278","title":{"rendered":"JavaScript \u91cc\u7684\u5d4c\u5957\u6570\u7ec4\uff0c\u8f6c\u4e3a\u5b57\u5178\u7684\u95ee\u9898\u3002\u3002\u3002"},"content":{"rendered":"
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JavaScript \u91cc\u7684\u5d4c\u5957\u6570\u7ec4\uff0c\u8f6c\u4e3a\u5b57\u5178\u7684\u95ee\u9898\u3002\u3002\u3002 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : qazwsxkevin <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5982\uff1a <\/p>\n

JSArrayStr = \"\"\"var foods = [[19,'\u5976\u6cb9\u5e03\u4e01','Cream Pudding','2719-3',0],[20,'\u65e5\u5f0f\u591a\u5473\u5377','Japan Roll Cake','2719-166',0],[21,'\u864e\u76ae\u5343\u5c42','TigerSkin Cake','2719-27',0],[22,'\u8089\u677e\u5410\u53f8','Meat Floss Toast','2719-5',0],[23,'\u5de7\u514b\u529b\u5e03\u4e01','Chocolate Pudding ','2719-13',0],[24,'\u6cd5\u5f0f\u957f\u68cd','Long Baguette','2719-2',0],[25,'\u63d0\u62c9\u7c73\u82cf','Tiramisu','2719-6',0],[26,'\u6c34\u679c\u5854','Fruit Tower','2719-74',0],[27,'\u6e2f\u5f0f\u73ed\u621f','HK Pancake','2719-156',0]];\"\"\" <\/code><\/pre>\n
\u50cf\u662f\u8fd9\u79cd\u7ed3\u6784\u7684\u6570\u7ec4\uff0c\u5982\u679c\u76f4\u63a5\u7528 json.loads(JSArray)\u62a5\u9519\u7684\uff0c\u53ea\u80fd\u624b\u5de5\u5bf9 JSArrayStr \u505a\u6587\u672c\u786c\u5904\u7406\u5417\uff1f\uff08\u786c\u5904\u7406\u6307\uff1a\u624b\u5de5\u9010\u4e2a\u7ec6\u8282(split \u53c8 strip)*N \u6b21\u518d\u5199\u5165\u5230\u65b0\u5b57\u5178\uff09
 Python \u662f\u5426\u6709\u66f4\u5f3a\u5927\u7684\u8f6e\u5b50\u53ef\u4ee5\u76f4\u63a5\u5f04\u51fa\u5b57\u5178\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (12<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : SakuraKuma <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u6240\u6709\u6570\u636e\u90fd\u662f\u8fd9\u6837\u53ef\u4ee5\u5148\u628a\u5934\u7684\u53d8\u91cf\u548c\u5c3e\u7684\u5206\u53f7\u5220\u4e86, \u628a\u5f15\u53f7\u90fd\u53d8”\u5c31\u53ef\u4ee5\u8f6c\u4e86.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : rodrick <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6de6\uff0c\u770b\u4e2a\u6570\u7ec4\u770b\u997f\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : jones2000 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5b57\u7b26\u4e32\u76f4\u63a5\u7528 js \u7f16\u8bd1\u4e0b\uff0c \u4e0d\u5c31\u51fa\u6765\u4e86\u561b\u3002\u8fd9\u4e2a\u4e0d\u5c31\u662f 1 \u4e2a js \u8bed\u53e5\u561b\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : Rhilip <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u5b57\u7b26\u4e32\u662f\u8fd9\u6837\u7684\uff0c\u90a3 eval \u662f\u6700\u597d\u7684\u529e\u6cd5\uff0c\u76f4\u63a5\u4ece\u5b57\u9762\u91cf\u53d8\u6210 foods \u53d8\u91cf\uff0c\u518d Array.map \u5c31\u597d\uff0c
    \u5982\u679c eval \u4e0d\u884c\uff0c\u90a3\u5c31\u7528 new Function(JSArrayStr + ‘;return foods;’)() \u83b7\u53d6 foods \u53d8\u91cf                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : Rhilip <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u54e6\uff0c\u8fd9\u662f\u5728 Python \u4e2d\u89e3\u6790 javascript \uff1f \u90a3\u5c31\u53ea\u80fd\u53c2\u7167 1L\uff0c\u6390\u5934\u53bb\u5c3e\u505a\u66ff\u6362\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : palmers <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 JSON.parse(“var foods = [[19,’\u5976\u6cb9\u5e03\u4e01’,’Cream Pudding’,’2719-3′,0],[20,’\u65e5\u5f0f\u591a\u5473\u5377’,’Japan Roll Cake’,’2719-166′,0],[21,’\u864e\u76ae\u5343\u5c42’,’TigerSkin Cake’,’2719-27′,0],[22,’\u8089\u677e\u5410\u53f8’,’Meat Floss Toast’,’2719-5′,0],[23,’\u5de7\u514b\u529b\u5e03\u4e01’,’Chocolate Pudding ‘,’2719-13′,0],[24,’\u6cd5\u5f0f\u957f\u68cd’,’Long Baguette’,’2719-2′,0],[25,’\u63d0\u62c9\u7c73\u82cf’,’Tiramisu’,’2719-6′,0],[26,’\u6c34\u679c\u5854’,’Fruit Tower’,’2719-74′,0],[27,’\u6e2f\u5f0f\u73ed\u621f’,’HK Pancake’,’2719-156′,0]];”.split(‘=’)[1].split(‘;’)[0].replaceAll(“‘”, “””));                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : palmers <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u7136\u540e\u904d\u5386\u5904\u7406\u5c31\u53ef\u4ee5\u4e86\u5427\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : palmers <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3b\u4f60\u8fd9\u4e2a\u5b57\u7b26\u4e32 \u6211\u8ba4\u4e3a\u4e0d\u53ef\u80fd\u6709\u4e00\u4e2a\u5230\u4f4d\u7684\u8f6e\u5b50 \u8fd9\u5b8c\u5168\u662f\u4e00\u4e2a\u4e2a\u6027\u7684\u5b57\u7b26\u4e32 \u6ca1\u6709\u4e1a\u52a1\u901a\u7528\u6027                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : JellyL <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u662f\u7528 python \u5728\u505a ast \u8bed\u4e49\u5206\u6790\u5417\uff1f
    \u90a3\u8981\u7528 ast \u5e93\uff0cjson.loads()\u4e0d\u4e00\u5b9a\u76f4\u63a5\u8d77\u4f5c\u7528
    \u524d\u9762\u7684\u622a\u53d6\u6ca1\u7528 strip\uff0c\u5982\u679c\u90fd\u662f\u8fd9\u79cd\u7528\u5355\u5f15\u53f7\u7ed3\u6784\u5316\u7684\u7eaf\u6570\u7ec4 js\uff0c\u76f4\u63a5 index \u5427<\/p>\n
    “`
    import ast<\/p>\n
    JSArrayStr = “””var foods = [[19,’\u5976\u6cb9\u5e03\u4e01’,’Cream Pudding’,’2719-3′,0],[20,’\u65e5\u5f0f\u591a\u5473\u5377’,’Japan Roll Cake’,’2719-166′,0],[21,’\u864e\u76ae\u5343\u5c42’,’TigerSkin Cake’,’2719-27′,0],[22,’\u8089\u677e\u5410\u53f8’,’Meat Floss Toast’,’2719-5′,0],[23,’\u5de7\u514b\u529b\u5e03\u4e01’,’Chocolate Pudding ‘,’2719-13′,0],[24,’\u6cd5\u5f0f\u957f\u68cd’,’Long Baguette’,’2719-2′,0],[25,’\u63d0\u62c9\u7c73\u82cf’,’Tiramisu’,’2719-6′,0],[26,’\u6c34\u679c\u5854’,’Fruit Tower’,’2719-74′,0],[27,’\u6e2f\u5f0f\u73ed\u621f’,’HK Pancake’,’2719-156′,0]];”””<\/p>\n
    startIndex = JSArrayStr.index(‘[‘)
    endIndex = JSArrayStr.index(‘;’)
    temp = JSArrayStr[startIndex:endIndex]<\/p>\n
    result = ast.literal_eval(temp)
    print(result)<\/p>\n
    “`                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u4e0a\u53bb\u53ef\u4ee5\u622a\u5934\u53bb\u5c3e\u7136\u540e ast.literal_eval                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : nekochyan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u8fd9\u4e2a\u4e0d\u662f\u5d4c\u5957\u6570\u7ec4\u95ee\u9898\uff0c\u662f\u4f60\u8fd9\u6bb5\u5b57\u7b26\u4e32\u672c\u8eab\u662f\u4e00\u53e5 js \u53ef\u6267\u884c\u4ee3\u7801\uff0c\u9700\u8981\u81ea\u5df1\u6390\u53bb\u5934\u5c3e\u5206\u6790                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : krixaar <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 from selenium import webdriver
    from selenium.webdriver.chrome.options import Options
    import json<\/p>\n
    chrome_options = Options()
    chrome_options.headless = True
    driver = webdriver.Chrome(options=chrome_options)
    result = json.loads(driver.execute_script(JSArrayStr+’return JSON.stringify(foods);’))
    driver.quit()<\/p>\n
    \u73b0\u4ee3\u95ee\u9898\u9700\u8981\u73b0\u4ee3\u624b\u6bb5.jpg                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    JavaScript \u91cc\u7684\u5d4c\u5957\u6570\u7ec4…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/353278"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=353278"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/353278\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=353278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=353278"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=353278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}