{"id":108897,"date":"2020-05-31T06:46:18","date_gmt":"2020-05-30T22:46:18","guid":{"rendered":"http:\/\/4563.org\/?p=108897"},"modified":"2020-05-31T06:46:18","modified_gmt":"2020-05-30T22:46:18","slug":"%e8%af%b7%e6%95%99%e5%90%84%e4%bd%8d-node-js-%e5%a4%a7%e4%bd%ac%e4%b8%80%e4%b8%aa%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=108897","title":{"rendered":"\u8bf7\u6559\u5404\u4f4d Node.js \u5927\u4f6c\u4e00\u4e2a\u95ee\u9898"},"content":{"rendered":"
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\u8bf7\u6559\u5404\u4f4d Node.js \u5927\u4f6c\u4e00\u4e2a\u95ee\u9898 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : Midsmr <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u672c\u4eba\u5165\u5751 PHP \u4e0d\u4e45<\/p>\n

js \u65b9\u9762\u5f88\u70c2<\/p>\n

\u8fd9\u6b21\u5199\u5f00\u6e90\u7ec3\u624b\u65f6<\/p>\n

\u6211\u9047\u5230\u4e86\u4e2a\u95ee\u9898<\/p>\n

\u6211\u60f3\u5728\u904d\u5386\u91cc\u9762\u5b9e\uff1a[1].k = [1].v\uff0c{{ k }}\u663e\u793a v \u7684\u5185\u5bb9<\/p>\n

\u4f46\u662f\u6211\u5c5e\u5b9e\u4e0d\u77e5\u9053\u600e\u4e48\u8d4b\u503c<\/p>\n

\u6073\u8bf7\u5927\u4f6c\u6559\u4e00\u4e0b<\/p>\n

response.data.result<\/code>\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u91cc\u9762\u662f\u5bf9\u8c61<\/p>\n

      let arr = response.data.result;       arr.forEach(item => {             let arr[item].k = arr[item].v;       })  <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (12<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : gzlock <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 arr.foreach((item, index)=>{
     \/\/ arr[index].k = arr[index].v
     \/\/ \u88ab\u4f60\u7ed5\u8fdb\u53bb\u4e86\uff0c\u76f4\u63a5\u7528 item \u4e0d\u5c31\u884c\u4e86
     item.k = item.v
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yukiloh <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u53ef\u80fd\u662f\u4e0d\u77e5\u9053\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u4ee5\u662f index?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : DivineRapierH <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Array\/forEach 
    \u770b\u4e00\u4e0b\u5c31\u61c2\u5566                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : gauzung <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 arr.forEach(item => {}) \/\/\u8fd9\u91cc\u7684 item \u5c31\u662f\u5f53\u524d\u904d\u5386\u5230\u7684\u6570\u7ec4\u6210\u5458\uff0c\u6240\u4ee5 arr[item]\uff0c\u7b2c\u4e8c\u4e2a let \u6ca1\u6709\u7528
    arr.forEach((item,index)=>{arr[index].k=arr[index].v} \/\/ \u5e26\u4e0a\u7b2c\u4e8c\u4e2a\u53c2\u6570                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : hitaoguo <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53ef\u4ee5\u67e5 forEach \u8bed\u6cd5\uff0c\u770b\u770b\u56de\u8c03\u51fd\u6570\u91cc\u9762\u53c2\u6570\u90fd\u662f\u4ec0\u4e48                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : limars <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3a\u4ec0\u4e48\u611f\u89c9\u4f60\u7684\u9700\u6c42\u5c31\u662f\u91cd\u65b0\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u4e00\u6837\u7684 result                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : minglanyu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u662f JavaScript \u57fa\u7840\uff0c\u8ddf node \u65e0\u5173
    “`js
    arr.forEach((item)=>{
     item.k = item.v
    })
    “`<\/p>\n
    \u65e2\u7136\u6ca1\u6709\u7528\u5230 forEach \u8fed\u4ee3 callback \u91cc\u7684\u7b2c\u4e8c\u7b2c\u4e09\u4e2a\u53c2\u6570 index \u548c array\uff0c\u4e0d\u5982\u76f4\u63a5\u66f4\u52a0\u7b80\u6d01\u5e72\u8106\u7684 for \u3002<\/p>\n
    “`js
    for(let i = 0; i<arr.length; i++){
     arr[i].k = arr[i].v
    }
    “`<\/p>\n
    for \u5faa\u73af\u6bd4 forEach \u505a break \u548c return \u65b9\u4fbf\u4e00\u4e9b\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : wunonglin <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 “`js
    for (const item of arr){
     item.k = item.v
    }
    “`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : wednesdayco <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u4e86\u770b \u6211\u5dee\u70b9\u4ee5\u4e3a\u5b66\u4e60\u5230\u65b0\u9a9a\u64cd\u4f5c\u5199\u6210 let a.c = 1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xingjue <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 php \u771f\u9999                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Midsmr <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @gzlock \u8c22\u8c22\u5927\u4f6c\uff0c\u4f46\u662f\u8fd9\u6837\u5728 vue \u91cc\u9762\u4e0d\u80fd\u4ee5\u8c03\u7528{{k}}\u8fd9\u6837\u663e\u793a v\uff0c\u4f1a\u62a5\u672a\u5b9a\u4e49\u7684\u9519                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Phariel <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u4e0d\u5efa\u8bae\u4f60\u5728\u4f7f\u7528\u539f\u6709\u6570\u636e\u7684 reference \u76f4\u63a5\u4fee\u6539\u539f\u6570\u636e \u4f60\u8fd9\u4e48\u5199\u4e60\u60ef\u4e86 \u5728\u6709\u4e9b\u5730\u65b9\u4f1a\u4ea7\u751f\u4e00\u4e9b\u4f60\u60f3\u4e0d\u5230\u7684\u95ee\u9898<\/p>\n
    \u8bf7\u7528 map \u91cd\u65b0\u751f\u6210\u4e00\u4efd\u65b0\u6570\u7ec4                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u8bf7\u6559\u5404\u4f4d Node.js \u5927\u4f6c\u4e00\u4e2a…<\/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\/108897"}],"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=108897"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/108897\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=108897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=108897"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=108897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}