{"id":286018,"date":"2021-01-16T17:17:57","date_gmt":"2021-01-16T09:17:57","guid":{"rendered":"http:\/\/4563.org\/?p=286018"},"modified":"2021-01-16T17:17:57","modified_gmt":"2021-01-16T09:17:57","slug":"json-array-%e5%a6%82%e4%bd%95%e8%bf%87%e6%bb%a4%e6%8c%87%e5%ae%9a%e7%9a%84%e5%b1%9e%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=286018","title":{"rendered":"json array \u5982\u4f55\u8fc7\u6ee4\u6307\u5b9a\u7684\u5c5e\u6027\uff1f"},"content":{"rendered":"
\n
\n
\n

json array \u5982\u4f55\u8fc7\u6ee4\u6307\u5b9a\u7684\u5c5e\u6027\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : ymmagic1234 <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6bd4\u5982 \u6211\u6709\u4e00\u4e2a <\/p>\n

let data=[     { \"id\"    : \"1234\",       \"key1\"  : \"val1\",       \"key2\"  : \"val2\",       \"name\"  : \"someone\",       \"age\"   : 39     },     { \"id\"    : \"1234\",       \"key1\"  : \"val1\",       \"key2\"  : \"val2\",       \"name\"  : \"someone\",       \"age\"   : 39     }   ] <\/code><\/pre>\n
\u6211\u60f3\u8fc7\u6ee4\u6389 key1,key2 \u5f97\u5230 <\/p>\n
   [     { \"id\"    : \"1234\",       \"name\"  : \"someone\",       \"age\"   : 39     },     { \"id\"    : \"1234\",       \"name\"  : \"someone\",       \"age\"   : 39     }   ] <\/code><\/pre>\n
\u8bf7\u95ee\u7528 js \u6709\u4ec0\u4e48\u4f18\u96c5\u7684\u5904\u7406\u529e\u6cd5\u5417\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (8<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : jamesxu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 lodash \u6709\u4e2a omit \u65b9\u6cd5\u53ef\u4ee5\u53c2\u8003                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : dengshen <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 map \u8fd4\u56de\u524d delete \u4e0d\u9700\u8981\u7684 key \u6216\u8005\u53ea\u8fd4\u56de\u9700\u8981\u7684 key                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ymmagic1234 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @dengshen \u53ef\u4ee5\u5199\u4e2a\u4f8b\u5b50\u4e0d\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xxpandxxp <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 data.map(x=>{delete x[‘key1’];delete x[‘key2’]})<br>
    \u5e94\u8be5\u53ef\u4ee5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : duowb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 data.map(item=>{
    return {
     id: item.id,
     name: item.name,
     age: item.age<\/p>\n
    }
    })
    \u8fd9\u6837\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : dengshen <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @ymmagic1234 \u4e0b\u4e24\u4e2a\u90fd\u884c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : easonHHH <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 data.map(({ key1, key2, …other }) => other)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : baxtergu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 let data = [
     {
     “id”: “1234”,
     “key1”: “val1”,
     “key2”: “val2”,
      “name”: “someone”,
     “age”: 39
     },
     {
     “id”: “1234”,
     “key1”: “val1”,
     “key2”: “val2”,
     “name”: “someone”,
     “age”: 39
     }
    ]<\/p>\n
    let result = data.map(item => {
     \/\/ \u8fc7\u6ee4\u51fa\u60f3\u8981\u4fdd\u7559\u7684 key
     const fKeys = Object.keys(item).filter(key => ![‘name’, ‘age’].includes(key));
     \/\/ \u4e0d\u6539\u53d8\u539f\u6709\u5f15\u7528\u5bf9\u8c61\u6570\u636e
     let newItem = {};
     for (let key of fKeys) {
     newItem[key] = item[key];
     }
     return newItem;
    });<\/p>\n
    \u6307\u5b9a\u9ed1\u540d\u5355\u5c31\u884c\u4e86\uff0c\u5982\u679c\u662f\u767d\u540d\u5355\u7684\u8bdd\u7528\u5c55\u5f00\u64cd\u4f5c\u7b26\u53ef\u4ee5\u7b80\u5316\u903b\u8f91                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    json array \u5982\u4f55\u8fc7\u6ee4\u6307\u5b9a…<\/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\/286018"}],"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=286018"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/286018\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=286018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=286018"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=286018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}